US3771518A - Apparatus for specific lumbar traction treatments - Google Patents
Apparatus for specific lumbar traction treatments Download PDFInfo
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- US3771518A US3771518A US00226673A US3771518DA US3771518A US 3771518 A US3771518 A US 3771518A US 00226673 A US00226673 A US 00226673A US 3771518D A US3771518D A US 3771518DA US 3771518 A US3771518 A US 3771518A
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- traction
- platform
- pelvic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0218—Drawing-out devices
- A61H1/0222—Traction tables
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/009—Physiotherapeutic tables, beds or platforms; Chiropractic or osteopathic tables
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H2001/0203—Rotation of a body part around its longitudinal axis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2203/00—Additional characteristics concerning the patient
- A61H2203/04—Position of the patient
- A61H2203/0443—Position of the patient substantially horizontal
- A61H2203/045—Position of the patient substantially horizontal with legs in a kneeled 90°/90°-position
Definitions
- ABSORACT An apparatus for selectively and specifically exerting either continuous or intermittent traction and complementary treatments to the lumbar spine region of a patient accomodated on a platform system and having I pelvic and thoracic belts secured to traction and counter traction applying bars.
- the platform system includes a thoracic platform supported for selective lateral tilting adjustment, a lumbar support the upward projection of it can be selectively adjusted and a pelvic and leg platform supported for lengthwise displacement.
- the apparatus comprises also a mechanism for applying either continuous or intermittent motion to one bar to apply the traction with a selectively adjusted maximal tractive force.
- the apparatus is preferably complemented with an anti'- scoliosis unit wherein a selectively positionable and rotatable leg supporting platform is provided for posi-' tioning the patient for specific anti-scoliosis treatments.
- This invention is generally concerned with apparatuses for mechanically exerting treatments of the lumbar spine region, broadly comprising applying a trac tion to the lumbar spine and neighbouring region of a patient.
- the invention has for its principal object to provide a new and improved apparatus adapted for selectively exerting tractions and actions in any selected mode and conditions well adapted to fit most differing requirements selected in view of the many several physical malfunctions, diseases and disabilities of individual patients, as well as to fit to the own physical fitness and condition of different patients, such as age, body structure and so on.
- the present invention provides a substantial improvement to heretofore proposed devices for mechanically applying either continuous or intermittent traction to the lumbar spine region of a patient, by providing a new and advantageous apparatus such designed that an exceedingly wide'variety of selective adjustments, arrangements and combinations can be readily provided to meet the most wide range of patients parameters and disabilities variables.
- disabilities comprise, inter alia, slipped, compressed and prolapsed discs, lumbar, lower thoracic, ilium, sacro-iliac and pelvic subluxations, anteriorly and posteriorly rocked pelvis, lordosis and kyphosis of lumbar spine, lumbar vertebral rotation, lumbar and lower thoracic scoliosis, spondylolysthesis of fifth lumbar vertebra, pelvic inclination, compression of nerve root, and so on.
- the several variables include the actual tractive force or pull to be applied and the duration of individual treatments, and further any specific and properly exerted treatment of different individual disability will require an its own mode of applying the proper force.
- the direction and/or the amplitude of the vertebral rotations, scoliosis and so on will require sharply different specific treatments, for example.
- the most wide wariety of such action comprises, inter alia, exercising a deep-massage like action on muscular and ligamentous strudtures for restoring an even elasticity and tone; increasing the intervertebralspaces; facilitating the re-orientation of the intervertebral disc; relieving muscle spasm and hypertonia; increasing the blood supply in the area of the eschemic nerve roots; reducing inflammation and swelling; restoring adequate space for the passage of spinal nerves through the neural canals and intervertebral foramina, relieving compression; preventing the formation of adhesions between dural sleeve of the nerve root and adjacent structures; freeing existing adhesions; realigning forward and backward sliding of disoriented articular surface; improving and compensating some of the above said disabilities such as hyperlordosis, kyphosis and scoliosis, and increasing range of motion in all planes; mobilizing fixations by reducing vertebral rotation, and so on.
- an apparatus improved according to the invention comprises a supporting stationary structure having a platform system for patients accommodation thereon, such system including a thoracic platform and a pelvic and leg platform, positioned for supporting the thoracic and respectively the 'pelvic and leg regions of the patient, the said platforms beingsupported for selective relative lateral inclination about the symmetry axis of said platform system at either sides of a meanposition wherein said platforms are co planar;
- such structure has a head end and a foot end, either comprising means for adjustably connecting adjustable counter traction and respectively traction vstraps having thoracic halter and respectively pelvic halter means secured thereto, the connecting means adjacent to said foot comrising a selectively inclinable cross bar and means for selectively connecting said straps a different distance from said symmetry axis; and a mechanism for selectively applying an either continuous or intermittent force of selectively adjustable maximal value to said cross bar in a direction parallel to said axis, tending to
- said thoracic and pelvic and leg platforms are spacedly supported on said structure, and a lumbar support member is located in the spacing between said platforms, and supported for selectively adjusting the height at which said lumbar support projects above the plane defined by said platform system.
- a lumbar support member is located in the spacing between said platforms, and supported for selectively adjusting the height at which said lumbar support projects above the plane defined by said platform system.
- such lumbar support comprises an, essentially cylindrical upper surface the axis of which is horizontal and transversal, and designed for contact with the lumbar region of the patient, and is supported for rotation about said tranversal axis for frictionless support of the patient when displaced along the platform system when subjected to the traction.
- the said pelvic and leg platform is movably supported on said structure for movement in the direction defined by said symmetry axis, also for frictionless support of the pelvic and leg regions of the patient when subjected to the traction.
- the apparatus is complemented by a specifically anti-scoliosis treatment unit, comprising an adjustably articulated and rotatable support structure designed for adjustably positioning a complemental leg support minor platform above the said pelvic and leg platform at its portion nearer to said thoracic platform, said minor platform being rotatable about a vertical axis and connected to means for selectively imparting rotations about said latter axis.
- the said force applying mechanism preferably comprises a spring system connected to transmission and adjusting means to apply a constant load thereto, said transmission means including lever and link means arranged to transmit said load to said cross-bar to bias said latter bar for displacing same from said foot end, and the said adjusting means comprise means for selectively modify the lever arm lengths in said transmission lever for selectively modify the ratio of the load applied by the spring system and the transmitted load actually applied to bias said cross-bar and therefore to the pelvic halter means and thus to the patients lumbar region.
- the said mechanism comprises further motor, crank and link means connected to said transmission means for intermittently applying thereto a force greater than the maximal transmitted force, for intermittently overcoming the bias applied to said cross-bar, displacing the latter bar towards the patient and therefore intermittently discontinuing the traction applied to his lumbar region.
- FIG. 1 is a diagrammatical perspective view, in small scale and having the most of details omitted, of the apparatus;
- FIG. 1A is a similar view of the anti-scoliosis unit
- FIGS. 2, 3 and 4 are a plan view and respectively an end view (viewed at the foot end) and a side elevation of the apparatus, complemented with said anti-scoliosis unit;
- FIG. 5 is a detailed view of the means for selective lateral inclination of the thoracic platform, taken in the plane indicated at V-V in FIGS. 2 and 4;
- FIG. 5 is a fragmentary view of the lumbar support, in longitudinal section taken in the plane indicated at VI--Vl in FIG. 7, wherein same detail is shown in a crosssectional view, taken in the plane indicated at VIIVII in FIGS. 2 and 4;
- FIG. 8 is a fragmentary longitudinal sectional view, taken in the plane indicated at VIII-VIII in FIG. 3, and having components partly broken away, of the traction force applying mechanism, when such force is being discontinued;
- FIG. 9 is a similar fragmentary view of same mechanism,'when such force is being applied.
- FIG. 10 is a further fragmentary view of the force adjusting device of said mechanism.
- FIG. 11 is a fragmentary cross-sectional view illustrating the pelvic and leg supporting means
- FIG. 12 is a longitudinal sectional fragmentray view taken in the plane indicated at Xll-Xll in FIG. 11.
- the apparatus comprises a supporting stationary structure generally indicated at 14 and having vertical walls l6defining an enclosure wherein the various mechanical components and devices are enclosed and suitably protected.
- Said structure supports a platform system at the most suitable level for the patients accommodation and examination and control by the physician.
- the platform system comprises a properly stuffed thoracic platform 18, longitudinally cut at 20 (FIG. 1) to form a nose and breathing opening made use of when the patient is facedown accommodated, and an also properly stuffed pelvic and leg platform 22.
- the said thoracic platform 18 is supported for selective lateral inclination and positioning in either directions indicated at A and A"; the pelvic and leg platform 22 is supported for longitudinal displacement in direction B, for frictionlessly following the displacements of the pelvic and leg regions of the patient, when subjected to a traction in direction T, while his head andthoracic regions are being held stationary by a properly applied counter-traction or reaction R.
- the lateral inclination of thoracic platform 18 is critical of the invention and has been found as extremely important for properly preparing the patient for specific treatments of vertebral rotation, particularly for bringing the spinal column about in such a way that the lumbar vertebrae are counter-rotated, bringing the lumbar spine into a more ideal alignment for the application of the traction.
- This compensation for the lumbar rotation has been found tantamount to obtaining maximum results in traction treatment, and eliminates injurous side-effects.
- the said platforms 18 and 22 are longitudinally spaced from each other and a stationary minor platform 24 is co-planarly supported therebetween.
- Such minor platform 24 is apertured for upward projection of a lumbar support 26, having a suitably stuffed upper surface of generally cylindrical configuration.
- lumbar support 26 is supported for selective adjustment of its level, that is of the height at which its apex projects above the horizontal plane generally defined by the surface of platform system, for specific adaptation to the individual patients lumbar spine curve.
- This lumbar support and its vertical adjustment have been found of importance for counter-acting the injur ous side-effect of straightening and flattening of the patients lumbar spine, when subjected to traction.
- the traction action will properly lengthen but not straighten the lumbar spine curve, while suchinjurous flattening would otherwise dissipate the said traction action beyond the lumbar zone.
- FIGS. 2 and 4 diagrammatically illustrate the accommodation of a patient prepared for treatment.
- a properly padded counter traction thoracic halter belt 28 is secured about the thoracic region of the patient.
- Said halter belt is connected to one end of adjustable straps 30, the opposite ends of which are detachable connected to transverse spacer bar 32, connected at 34 to a vertically adjustable member supported by a brace 36 projecting from and secured to the head portion of the stationary supporting structure of the apparatus.
- FIG. 2 An also properly padded traction pelvic halter belt 38 (FIG. 2) is secured about the pelvic region of the patient.
- adjustable traction straps 40 such pelvic halter belt is tractively connected to a traction cross-bar 42, connected at adjustable level to a traction motion and force applying horizontal rod 44.
- the cross-bar 42 is oscillatably connected to the upper end portion of a vertical rod 46 clamped at adjustable height to the leftward portion of said rod 44.
- Means are provided for selectively laterally rotating said cross-bar 42, in either directions indicated at D and D" in FIG. 3.
- traction straps 40 are secured to same cross-bar 42 by means of sleeve buckles 48, which can be individually slided along said cross-bar 42 in either directions indicated at E and E" in FIG. 2, and secured in any desired position along their respective half of cross-bar.
- the direction at which the traction pull is applied to the pelvic halter belt and therefore to the lumbar region of the patient is actually defined by the direction of the traction straps-40, running from said halter belt to the sleeve buckles on said cross-bar 42.
- the actual level of said buckles 48 can be selectively adjusted by vertically adjusting said rod 46 and can be selectively differentiated by the inclination of said cross-bar (as indicated at D and D"); further such directions can be individually adjusted in the horizontal plane by laterally spacing said buckles 48 along the cross-bar (as indicated at E and E").
- Such adjustments provide for proper preparation of the patient in view of different specific treatment, such as of rocked pelvis, for pelvic misalignments and so on.
- the provision and use of the complementary antiscoliosis unit can be understood from a consideration of FIGS. 1A, 2 and 3, and more particularly of FIG. 4.
- This unit is secured,'preferably but not necessarily in detachable manner, to a column 50 (FIG. 3) fixedly secured to the stationary structure, and comprises a post 52 having a laterally projecting brace 52a.
- a suitable mechanism such as a rack, provided with an elevation means such as a control wheel 54, a vertical rod 56 can be vertically adjusted and positioned below said brace 52a.
- Said components are dimensioned to selectively place the device above the patient (FIGS. 3 and 4), or spaced away (FIG. 2) when the use thereof is not required.
- Said vertically adjustable rod 56 has an amplitude of torsion selector head 58 secured at its lower end and forming a connection for rotation about a vertical axis of components secured therebelow.
- Such components comprise a leg support platform, generally indicated'at 60, having a middle longitudinal vertical stuffed wing 62 and symmetrical lateral nearly horizontal stuffed leg supporting planar parts 64.
- a handle-bar 66 for example, the said platform 60 can be rotated in either directions, as indicated at F' and F" inFIG. 1A, and locked at any selectively desired position about its vertical axis.
- This rotation can be also be intermittent and a torque measuring device can be provided for controlling the selected maximal force applied.
- a suitable motor and mechanism assembly easily conceivable by those skilled in the art, can be provided for selectively adjustable self-action of the antiscoliosis unit, namely for intermittent rotation.
- FIGS. 5 to 12 inclusive preferred examples of such structures, devices and mechanisms are illustrated.
- FIG. 6 deals with the means for supporting, laterally inclining and maintaining in the selected position the thoracic platform 18.
- Such platform is supported by T- shaped members 180 pivotally supported at 182 for lateral inclination in either directons A and A" (such as exemplified in the position indicated by phantom lines).
- the downwardly extending brace 184 of one of said members is longitudinally slotted for slidingly engage a pin secured to a screw-nut 186 engaged by a transversal horizontal screw-threaded rod 188.
- a handle 190 external to the wall 16 of the stationary structure 14 (see FIG.
- FIGS. 6 and 8 refer to supporting and adjusting of the lumbar support 26.
- Such support 26 has a stuffed layer secured to partly cylindrical member 260 rotatably supported about its axis by pivotal pins 262 on a structure 266 (FIG. 7).
- Springs 264 bias such member 260 towards its average position, the rotatability of g the lumbar support in either directions, as indicated at G and G in FIG. 6, provides for frictionless supporting of the patients lumbar region when subjected to motion resulting from the applied traction.
- Such member 266 is guidedly supported for vertical displacement (indicated at C 'C by means of vertical parallel guide rods 268 slidable within bushings provided in a structural component 270 of the stationary structure of the apparatus.
- the said member 266 has a screw-nut 272 integrally formed therewith and which engages a vertical screwthreaded bar 274, rotatably but not axially supported by said structural component 270.
- a shaft 278 and a handle 280 By means of bevel gears 276, a shaft 278 and a handle 280 (see FIG. 4 also) the level of said lumbar support 26 can be adjusted at will.
- a scale 282 external to the wall 16 and an index moving concurrently with said member 266, and secured by example to one of guide rods 268, provide for indicating the height at which the lumbar support is adjusted and maintained by the irreversibility of the transmission provided by the screw-threaded bar 274.
- FIGS. 8 to 10 inclusive illustrate a preferred mechanism for either continuously or intermittently applying an adjustable force in direction T for traction treatments.
- the said rod 44 is connected to a plate 400 s'ecured to a member 402 longitudinally and guidedly supported by horizontal rods 404 secured to components of the stationary structure 14.
- a flexible but not extensible link means, such as a chain 406 connects said plate 400 and rod 44 to the crank pin 408 of a rod 428 is rotatably but not axially supported by another component of the stationary structure 14.
- Suitable motor and transmission means are drivingly connected to said screwthreaded rod 428 for operator controlledly actuating same in either directions and adjusting the level at which said block and pivot 422 can be set.
- another idle roller 434 is slidably engaged, said idler roller being only horizontally displaceable as being guided by glide bars 436 (fragmentarily shown in FIGS. 8 and 9); another flexible but not extensible link, such as a chain 438, has one end connected to said second idle roller 434 and applies thereto a pull, in direction M, provided by the load of a tension spring 440.
- Such pull is made constant, irrespective of the actual elongation of spring 440 (within the required amplitude of elongation) by a compensating device, which for example comprises an idle wheel 442 having a camming part 444 to which it is secured one end of another chain 446 the other end of which is connected to said spring 440, the variable radius of such camming portion 444 (see FIG. 9) compensating the increasing biasing force of the spring as far as its elongation increases.
- a compensating device for example comprises an idle wheel 442 having a camming part 444 to which it is secured one end of another chain 446 the other end of which is connected to said spring 440, the variable radius of such camming portion 444 (see FIG. 9) compensating the increasing biasing force of the spring as far as its elongation increases.
- the continuous traction T can be applied to the patient by positioning and maintaining the crank 410 in the position illustrated in FIG. 9, that is turned towards the roller 418.
- the chain 406 is slacked and does not prevent a motion, in direction T, as necessary to apply the traction to the patients lumbar region, by the means of components 440, 446, 438, 434, 420-420", 418, 400, 44, 46, 42, 48, 40 and the pelvic halter 38.
- the transmission 416, 414 is actuated for continuously rotating the crank 410 for cyclically applying a pull in direction T to all components connected to plate 400 and therefore cyclically discontinuing the traction.
- This force can be however varied at operator control, within the desired range, by controlledly actuating the motor at 430 and therefore the vertical screw-threaded rod 428, as now explained with reference to FIG. 10.
- rollers are caused to be only horizontally displaced, as being carried by the assembly comprising plate 400 and member 402 which is slidable along horizontal rods 404, and respectively as being guided by the horizontal guide bars 436, and therefore that the level of the horizontal paths of such rollers cannot be modified as being defined by stationary structural components.
- the pivotal axis at 422 of the two-armed lever can however by selectively adjusted by rotating said screwthreaded rod 428, that is by raising and lowering the block which carries the pivot 422 and which is slidable along vertical guide bars 428.
- the ratio I"/I can be therefore be varied for proper selection of the force of traction either continuously or intermittently applied. For example by setting the mechanism as shown in FIG. 10, the force actually applied at T is about twice the actual biasing force applied at M.
- FIGS. 11 and 12 illustrate a manner for supporting the pelvic and leg platform 22 for displacement in direction B, so that corresponding motions of the pelvic and leg regions of the patient, resulting from the traction, can be frictionlessy followed.
- Such platform 22 is guidedly supported by pairs (222 and 224) of idle rollers idly supported by pivots secured to plate members 220 appertaining to the planar structure of the platform 22, and rollingly embracing longitudinal, parallel and horizontal guide bars226 secured to components of the stationary structure 14.
- a spring 228 having one end secured to said stationary structure 14 and another end secured at 230 to the movable platform structure, biases said platform in direction B for returning same in its rest position (as shown in FIGS. 4 and 12).
- This spring 228 is pretty weak so that such motions in direction B can be made painlessly for the patient.
- Suitable locking means can be provided for locking such platform 22 at its rest position, for facilitating accommodating and removing of the patient, said locking means being obviously to be unlocked as the patient has been prepared for the traction treatment.
- the apparatus is suitably complemented with control panels and boards including on-off and selector switches, safety devices, clock means for automatically discontinuing the actuation after a predetermined treatment time and so on.
- control panels and boards including on-off and selector switches, safety devices, clock means for automatically discontinuing the actuation after a predetermined treatment time and so on.
- FIG. 4 a control devices for adjusting the force applied for the traction has been generally illustrated at 432.
- An apparatus for mechanically, adjustingly and selectively exerting specific treatments including a traction applied to-the lumbar region of a patient having a thoracic halter belt adaptedto be and a pelvic halter belt secured about his body regions bordering his said lumbar region, the traction treatment comprising applying oppositely directed pulls on said halter belts
- the said apparatus comprising, in combination: a stationary structure having head and foot ends and supporting at its upper surface an essentially horizontal patient supporting platform system having a longitudinal symmetry axis and comprising a thoracic platform, a pelvic and leg platform, and a lumbar support between said platforms and upwardly projecting above the plane generally defined by said platform systems, one of said platforms being selectively tiltable in either direction about said longitudinal axis, cross-bars arranged adjacently to said head and foot ends and adapted for connecting thereto straps secured to said thoracic and respectively pelvic halters and a mechanism for controlledly applying to one of said cross-bars a selectively adjustable force tending
- said lumbar support comprises a lumbar supporting body having an upper lumbar curve supporting surface of cylindrical configuration about an axis horizontal and transversal, said body being supported for rotating about said axis for frictionlessly accommodating the lengthwise motions of the lumbar region of the patient when subjeced to traction treatment.
- an anti-scoliosis unit comprising a leg supporting platform having a vertical longitudinal symmetry plane and a longitudinally and upwardly extended middle portion defining the actual direction of the patients legs when set on said platform, means for positioning and sustaining at adjustable height said platform above the pelvic portion of the said pelvic and leg platform, and means for operator controlledly rotating the said leg supporting platform about a vertical axis in its said vertical symmetry plane.
- the said force of traction applying mechanism comprises a driven assembly supported for reciprocation in the direction defined by said symmetry axis and having the said crossbar adjacent to said apparatus foot end adjustably connected thereto, a driving assembly urged in a given direction by a source of force, of adjustably selected maximal value, a variable ratio transmission connecting said driving assembly to said driven assembly for applying to said driven assembly and cross-bar an actual traction treatment force corresponding to the force applied by said source by the ratio at which said transmission has been set upon operator contol, and means for controlledly cyclically applying to said driven assembly a counter force exceeding the actually applied force for cyclically urging said assembly and cross-bar in direction opposite to that in which the traction treatment is being applied for consequently providing for intermittent traction by discontinuing the application of said traction force.
- said source of force comprises spring means connected to apply a load in a given direction, means for compensating the variation of said load as resulting by a variation of the elastic deformation of said spring means to provide an essentially constant given load'and
- said transmission comprises a lever oscillatably supported about a pivotal axis, means for drivingly applying said given load to a first point of said lever at a first interval from said pivotal axis, means for drivedly connecting said reciprocatable driven assembly to a second point of said lever at a second interval from said pivotal axis, and operator controlled means for selectively modifying the length ratio of said first interval by said second interval.
- the said counter force applying means comprise a motor operated crank means having a crank pin adapted for operator-activated continuous revolution, and a flexible and not extensible link connecting said crank pin to said reciprocatable driven assembly, said crank and link means being arranged and dimensioned for undisturbing the stroke of said reciprocatable assembly and cross-bar in the traction applying direction under said force, when said crank pin is turned or maintained at its position near to said assembly, while when said crank pin travels along or is maintained in the arc of its revolution, far from said assembly, said link imparts to said assembly a counter stroke of amplitude such to minimize the traction applied to the patients lumbar region.
Abstract
An apparatus for selectively and specifically exerting either continuous or intermittent traction and complementary treatments to the lumbar spine region of a patient accomodated on a platform system and having pelvic and thoracic belts secured to traction and counter traction applying bars. The platform system includes a thoracic platform supported for selective lateral tilting adjustment, a lumbar support the upward projection of it can be selectively adjusted and a pelvic and leg platform supported for lengthwise displacement. The apparatus comprises also a mechanism for applying either continuous or intermittent motion to one bar to apply the traction with a selectively adjusted maximal tractive force. Further, the apparatus is preferably complemented with an anti-scoliosis unit wherein a selectively positionable and rotatable leg supporting platform is provided for positioning the patient for specific anti-scoliosis treatments.
Description
United States Patent [1 1 Greissing APPARATUS FOR SPECIFIC LUMBAR TRACTION TREATMENTS [75] Inventor: Hans Greissing, Milano, Italy [73] Assignee: Static-S.p.A., Milano, Italy [22] Filed: Feb. 16, 1972 21 Appl. No.: 226,673
[52] U.S. Cl.
[51] Int. Cl. [58] Field of Search ..l28/6871, 33
[56] References Cited I UNITED STATES PATENTS 1,628,369 5/1927 McBumey' 128/71 2,565,019 8/1951 vBuchanan..-. 128/71 2,690,175 9/1954 Daughtry 128/71 2,695,Q17 11/1954 Herrmeyern 128/71 Primary Examiner-Lawrence W. Trapp Att0rneyMichael S. Striker v [111 3,771,518 Nov. 13, 1973 [57] .ABSTRACT An apparatus for selectively and specifically exerting either continuous or intermittent traction and complementary treatments to the lumbar spine region of a patient accomodated on a platform system and having I pelvic and thoracic belts secured to traction and counter traction applying bars. The platform system includes a thoracic platform supported for selective lateral tilting adjustment, a lumbar support the upward projection of it can be selectively adjusted and a pelvic and leg platform supported for lengthwise displacement. The apparatus comprises also a mechanism for applying either continuous or intermittent motion to one bar to apply the traction with a selectively adjusted maximal tractive force. Further, the apparatus is preferably complemented with an anti'- scoliosis unit wherein a selectively positionable and rotatable leg supporting platform is provided for posi-' tioning the patient for specific anti-scoliosis treatments.
10 Claims, 13 Drawing Figures PAIENIEnunv 13 ms SHEET 1 0F 3 INVENTOR.
k] BY @WZM' Q $74!; 7
APPARATUS FOR SPECIFIC LUMBAR TRACTION TREATMENTS BACKGROUND OF THE INVENTION This invention is generally concerned with apparatuses for mechanically exerting treatments of the lumbar spine region, broadly comprising applying a trac tion to the lumbar spine and neighbouring region of a patient. Specifically, the invention has for its principal object to provide a new and improved apparatus adapted for selectively exerting tractions and actions in any selected mode and conditions well adapted to fit most differing requirements selected in view of the many several physical malfunctions, diseases and disabilities of individual patients, as well as to fit to the own physical fitness and condition of different patients, such as age, body structure and so on. Therefore, from another standpoint of view, the present invention provides a substantial improvement to heretofore proposed devices for mechanically applying either continuous or intermittent traction to the lumbar spine region of a patient, by providing a new and advantageous apparatus such designed that an exceedingly wide'variety of selective adjustments, arrangements and combinations can be readily provided to meet the most wide range of patients parameters and disabilities variables.
It is known to physicians and those skilled in the art to which this invention appertains that a large plurality of disabilities can effect the lumbar spine region. For better understanding of the invention, such disabilities comprise, inter alia, slipped, compressed and prolapsed discs, lumbar, lower thoracic, ilium, sacro-iliac and pelvic subluxations, anteriorly and posteriorly rocked pelvis, lordosis and kyphosis of lumbar spine, lumbar vertebral rotation, lumbar and lower thoracic scoliosis, spondylolysthesis of fifth lumbar vertebra, pelvic inclination, compression of nerve root, and so on. The several variables include the actual tractive force or pull to be applied and the duration of individual treatments, and further any specific and properly exerted treatment of different individual disability will require an its own mode of applying the proper force. Typically, the direction and/or the amplitude of the vertebral rotations, scoliosis and so on will require sharply different specific treatments, for example.
Further, such different treatments are to be'applied so that no undesirable counter-actions will result, that the patient will not suffer unduly pain, and so on, these and other requirements being met only upon careful selection of the manner of positioning, accommodating and adjusting the components by which the also preselected forces are to be applied, to the patient.
It is therefore a particular object of the invention to provide a new and advantageous apparatus including a new arrangement and combination of and complemented with stationary and selectively movable parts, mechanisms and driving and driven components, for selectively adapting same apparatus for exerting actions adjusted both to individual patients and to individual treatments. The most wide wariety of such action comprises, inter alia, exercising a deep-massage like action on muscular and ligamentous strudtures for restoring an even elasticity and tone; increasing the intervertebralspaces; facilitating the re-orientation of the intervertebral disc; relieving muscle spasm and hypertonia; increasing the blood supply in the area of the eschemic nerve roots; reducing inflammation and swelling; restoring adequate space for the passage of spinal nerves through the neural canals and intervertebral foramina, relieving compression; preventing the formation of adhesions between dural sleeve of the nerve root and adjacent structures; freeing existing adhesions; realigning forward and backward sliding of disoriented articular surface; improving and compensating some of the above said disabilities such as hyperlordosis, kyphosis and scoliosis, and increasing range of motion in all planes; mobilizing fixations by reducing vertebral rotation, and so on.
BRIEF SUMMARY OF THE INVENTION In its broad aspect, an apparatus improved according to the invention comprises a supporting stationary structure having a platform system for patients accommodation thereon, such system including a thoracic platform and a pelvic and leg platform, positioned for supporting the thoracic and respectively the 'pelvic and leg regions of the patient, the said platforms beingsupported for selective relative lateral inclination about the symmetry axis of said platform system at either sides of a meanposition wherein said platforms are co planar; such structure has a head end and a foot end, either comprising means for adjustably connecting adjustable counter traction and respectively traction vstraps having thoracic halter and respectively pelvic halter means secured thereto, the connecting means adjacent to said foot comrising a selectively inclinable cross bar and means for selectively connecting said straps a different distance from said symmetry axis; and a mechanism for selectively applying an either continuous or intermittent force of selectively adjustable maximal value to said cross bar in a direction parallel to said axis, tending to further spacing said bar from said foot end, whereby applying to said pelvic halter means and thus to the lumbar region of the patient a traction counter-acted upon by the resistance applied by the said thoracic halter means, counter traction straps and connecting means adjacent to the head end of the apparatus.
According to advantageous features of the invention, said thoracic and pelvic and leg platforms are spacedly supported on said structure, and a lumbar support member is located in the spacing between said platforms, and supported for selectively adjusting the height at which said lumbar support projects above the plane defined by said platform system. Preferably, such lumbar support comprises an, essentially cylindrical upper surface the axis of which is horizontal and transversal, and designed for contact with the lumbar region of the patient, and is supported for rotation about said tranversal axis for frictionless support of the patient when displaced along the platform system when subjected to the traction.
According to another advantageous feature of the invention, the said pelvic and leg platform is movably supported on said structure for movement in the direction defined by said symmetry axis, also for frictionless support of the pelvic and leg regions of the patient when subjected to the traction.
According to a further advantageous feature of the invention, the apparatus is complemented by a specifically anti-scoliosis treatment unit, comprising an adjustably articulated and rotatable support structure designed for adjustably positioning a complemental leg support minor platform above the said pelvic and leg platform at its portion nearer to said thoracic platform, said minor platform being rotatable about a vertical axis and connected to means for selectively imparting rotations about said latter axis.
The said force applying mechanism preferably comprises a spring system connected to transmission and adjusting means to apply a constant load thereto, said transmission means including lever and link means arranged to transmit said load to said cross-bar to bias said latter bar for displacing same from said foot end, and the said adjusting means comprise means for selectively modify the lever arm lengths in said transmission lever for selectively modify the ratio of the load applied by the spring system and the transmitted load actually applied to bias said cross-bar and therefore to the pelvic halter means and thus to the patients lumbar region.
The said mechanism comprises further motor, crank and link means connected to said transmission means for intermittently applying thereto a force greater than the maximal transmitted force, for intermittently overcoming the bias applied to said cross-bar, displacing the latter bar towards the patient and therefore intermittently discontinuing the traction applied to his lumbar region.
These and other features and advantages of the invention will be made more clearly apparent from a consideration of the following detailed description of a preferred embodiment of the invention, taken in conjunction with the accompanying drawings, forming an essential component of the present disclosure.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagrammatical perspective view, in small scale and having the most of details omitted, of the apparatus;
FIG. 1A is a similar view of the anti-scoliosis unit;
FIGS. 2, 3 and 4 are a plan view and respectively an end view (viewed at the foot end) and a side elevation of the apparatus, complemented with said anti-scoliosis unit;
FIG. 5 is a detailed view of the means for selective lateral inclination of the thoracic platform, taken in the plane indicated at V-V in FIGS. 2 and 4;
FIG. 5 is a fragmentary view of the lumbar support, in longitudinal section taken in the plane indicated at VI--Vl in FIG. 7, wherein same detail is shown in a crosssectional view, taken in the plane indicated at VIIVII in FIGS. 2 and 4;
FIG. 8 is a fragmentary longitudinal sectional view, taken in the plane indicated at VIII-VIII in FIG. 3, and having components partly broken away, of the traction force applying mechanism, when such force is being discontinued;
FIG. 9 is a similar fragmentary view of same mechanism,'when such force is being applied;
FIG. 10 is a further fragmentary view of the force adjusting device of said mechanism;
FIG. 11 is a fragmentary cross-sectional view illustrating the pelvic and leg supporting means, and
FIG. 12 is a longitudinal sectional fragmentray view taken in the plane indicated at Xll-Xll in FIG. 11.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Referring first to FIGS. 1 to 4 inclusive, the apparatus comprises a supporting stationary structure generally indicated at 14 and having vertical walls l6defining an enclosure wherein the various mechanical components and devices are enclosed and suitably protected. Said structure supports a platform system at the most suitable level for the patients accommodation and examination and control by the physician. The platform system comprises a properly stuffed thoracic platform 18, longitudinally cut at 20 (FIG. 1) to form a nose and breathing opening made use of when the patient is facedown accommodated, and an also properly stuffed pelvic and leg platform 22. The said thoracic platform 18 is supported for selective lateral inclination and positioning in either directions indicated at A and A"; the pelvic and leg platform 22 is supported for longitudinal displacement in direction B, for frictionlessly following the displacements of the pelvic and leg regions of the patient, when subjected to a traction in direction T, while his head andthoracic regions are being held stationary by a properly applied counter-traction or reaction R.
The lateral inclination of thoracic platform 18 is critical of the invention and has been found as extremely important for properly preparing the patient for specific treatments of vertebral rotation, particularly for bringing the spinal column about in such a way that the lumbar vertebrae are counter-rotated, bringing the lumbar spine into a more ideal alignment for the application of the traction. This compensation for the lumbar rotation has been found tantamount to obtaining maximum results in traction treatment, and eliminates injurous side-effects.
The said platforms 18 and 22 are longitudinally spaced from each other and a stationary minor platform 24 is co-planarly supported therebetween. Such minor platform 24 is apertured for upward projection of a lumbar support 26, having a suitably stuffed upper surface of generally cylindrical configuration. Such lumbar support 26 is supported for selective adjustment of its level, that is of the height at which its apex projects above the horizontal plane generally defined by the surface of platform system, for specific adaptation to the individual patients lumbar spine curve.
This lumbar support and its vertical adjustment (indicated at C'-C" in FIG. 6) have been found of importance for counter-acting the injur ous side-effect of straightening and flattening of the patients lumbar spine, when subjected to traction. Upon proper level adjustment of such lumbar support, the traction action will properly lengthen but not straighten the lumbar spine curve, while suchinjurous flattening would otherwise dissipate the said traction action beyond the lumbar zone.
FIGS. 2 and 4 diagrammatically illustrate the accommodation of a patient prepared for treatment. A properly padded counter traction thoracic halter belt 28 is secured about the thoracic region of the patient. Said halter belt is connected to one end of adjustable straps 30, the opposite ends of which are detachable connected to transverse spacer bar 32, connected at 34 to a vertically adjustable member supported by a brace 36 projecting from and secured to the head portion of the stationary supporting structure of the apparatus.
An also properly padded traction pelvic halter belt 38 (FIG. 2) is secured about the pelvic region of the patient. By means of adjustable traction straps 40, such pelvic halter belt is tractively connected to a traction cross-bar 42, connected at adjustable level to a traction motion and force applying horizontal rod 44. More particularly, the cross-bar 42 is oscillatably connected to the upper end portion of a vertical rod 46 clamped at adjustable height to the leftward portion of said rod 44. Means are provided for selectively laterally rotating said cross-bar 42, in either directions indicated at D and D" in FIG. 3. Further, the said traction straps 40 are secured to same cross-bar 42 by means of sleeve buckles 48, which can be individually slided along said cross-bar 42 in either directions indicated at E and E" in FIG. 2, and secured in any desired position along their respective half of cross-bar.
The direction at which the traction pull is applied to the pelvic halter belt and therefore to the lumbar region of the patient is actually defined by the direction of the traction straps-40, running from said halter belt to the sleeve buckles on said cross-bar 42. Now the actual level of said buckles 48 can be selectively adjusted by vertically adjusting said rod 46 and can be selectively differentiated by the inclination of said cross-bar (as indicated at D and D"); further such directions can be individually adjusted in the horizontal plane by laterally spacing said buckles 48 along the cross-bar (as indicated at E and E"). Such adjustments provide for proper preparation of the patient in view of different specific treatment, such as of rocked pelvis, for pelvic misalignments and so on.
The provision and use of the complementary antiscoliosis unit can be understood from a consideration of FIGS. 1A, 2 and 3, and more particularly of FIG. 4. This unit is secured,'preferably but not necessarily in detachable manner, to a column 50 (FIG. 3) fixedly secured to the stationary structure, and comprises a post 52 having a laterally projecting brace 52a. By means of a suitable mechanism, such as a rack, provided with an elevation means such as a control wheel 54, a vertical rod 56 can be vertically adjusted and positioned below said brace 52a. Said components are dimensioned to selectively place the device above the patient (FIGS. 3 and 4), or spaced away (FIG. 2) when the use thereof is not required.
Said vertically adjustable rod 56 has an amplitude of torsion selector head 58 secured at its lower end and forming a connection for rotation about a vertical axis of components secured therebelow. Such components comprise a leg support platform, generally indicated'at 60, having a middle longitudinal vertical stuffed wing 62 and symmetrical lateral nearly horizontal stuffed leg supporting planar parts 64. FIG. 4 illustrated in dotand-dash lines at S, a typical accommodation of a patient in view of an anti-scoliosis treatment. By means of a handle-bar 66, for example, the said platform 60 can be rotated in either directions, as indicated at F' and F" inFIG. 1A, and locked at any selectively desired position about its vertical axis. This rotation can be also be intermittent and a torque measuring device can be provided for controlling the selected maximal force applied. A suitable motor and mechanism assembly, easily conceivable by those skilled in the art, can be provided for selectively adjustable self-action of the antiscoliosis unit, namely for intermittent rotation.
A wide variety of structures, devices and mechanisms can be devised for providing the above illustrated critical and important adjustments and selectivities for adapting the new apparatus to the above generally indicated very large variety of specific treatments of individual patients. In FIGS. 5 to 12 inclusive preferred examples of such structures, devices and mechanisms are illustrated.
FIG. 6 deals with the means for supporting, laterally inclining and maintaining in the selected position the thoracic platform 18. Such platform is supported by T- shaped members 180 pivotally supported at 182 for lateral inclination in either directons A and A" (such as exemplified in the position indicated by phantom lines). The downwardly extending brace 184 of one of said members is longitudinally slotted for slidingly engage a pin secured to a screw-nut 186 engaged by a transversal horizontal screw-threaded rod 188. A handle 190, external to the wall 16 of the stationary structure 14 (see FIG. 4) is provided for operator controlled rotation of said rod 188 and therefore for inclining at will said platform 18, which is then maintained in the selected position, by the irreversibility of the screw and screw-nut transmission. The degree of inclination can be visualized by an external scale 192 (see FIG. 4 also).
FIGS. 6 and 8 refer to supporting and adjusting of the lumbar support 26. Such support 26 has a stuffed layer secured to partly cylindrical member 260 rotatably supported about its axis by pivotal pins 262 on a structure 266 (FIG. 7). Springs 264 (FIG. 6) bias such member 260 towards its average position, the rotatability of g the lumbar support in either directions, as indicated at G and G in FIG. 6, provides for frictionless supporting of the patients lumbar region when subjected to motion resulting from the applied traction. Such member 266 is guidedly supported for vertical displacement (indicated at C 'C by means of vertical parallel guide rods 268 slidable within bushings provided in a structural component 270 of the stationary structure of the apparatus.
The said member 266 has a screw-nut 272 integrally formed therewith and which engages a vertical screwthreaded bar 274, rotatably but not axially supported by said structural component 270. By means of bevel gears 276, a shaft 278 and a handle 280 (see FIG. 4 also) the level of said lumbar support 26 can be adjusted at will. A scale 282 (FIG. 4) external to the wall 16 and an index moving concurrently with said member 266, and secured by example to one of guide rods 268, provide for indicating the height at which the lumbar support is adjusted and maintained by the irreversibility of the transmission provided by the screw-threaded bar 274.
FIGS. 8 to 10 inclusive illustrate a preferred mechanism for either continuously or intermittently applying an adjustable force in direction T for traction treatments. The said rod 44 is connected to a plate 400 s'ecured to a member 402 longitudinally and guidedly supported by horizontal rods 404 secured to components of the stationary structure 14. A flexible but not extensible link means, such as a chain 406 connects said plate 400 and rod 44 to the crank pin 408 of a rod 428 is rotatably but not axially supported by another component of the stationary structure 14. Suitable motor and transmission means, generally indicated at 430 in FIG. 8, are drivingly connected to said screwthreaded rod 428 for operator controlledly actuating same in either directions and adjusting the level at which said block and pivot 422 can be set.
In the also lengthwise slotted other part 420 of the two-armed lever another idle roller 434 is slidably engaged, said idler roller being only horizontally displaceable as being guided by glide bars 436 (fragmentarily shown in FIGS. 8 and 9); another flexible but not extensible link, such as a chain 438, has one end connected to said second idle roller 434 and applies thereto a pull, in direction M, provided by the load of a tension spring 440. Such pull is made constant, irrespective of the actual elongation of spring 440 (within the required amplitude of elongation) by a compensating device, which for example comprises an idle wheel 442 having a camming part 444 to which it is secured one end of another chain 446 the other end of which is connected to said spring 440, the variable radius of such camming portion 444 (see FIG. 9) compensating the increasing biasing force of the spring as far as its elongation increases.
The continuous traction T can be applied to the patient by positioning and maintaining the crank 410 in the position illustrated in FIG. 9, that is turned towards the roller 418. The chain 406 is slacked and does not prevent a motion, in direction T, as necessary to apply the traction to the patients lumbar region, by the means of components 440, 446, 438, 434, 420-420", 418, 400, 44, 46, 42, 48, 40 and the pelvic halter 38. If the selected treatment includes the intermittent traction, the transmission 416, 414 is actuated for continuously rotating the crank 410 for cyclically applying a pull in direction T to all components connected to plate 400 and therefore cyclically discontinuing the traction. It can be noted that either operating for continuous or intermittent traction, the force of the applied traction cannot be anyway greater than that applied by the spring 440 to said idle roller 418, by means of the mechanism including the said two-armed lever 420-420", oscillatable about the axis of pivot 422.
This force can be however varied at operator control, within the desired range, by controlledly actuating the motor at 430 and therefore the vertical screw-threaded rod 428, as now explained with reference to FIG. 10. The force actually applied to rod 44, for actual traction T on the lumbar region of the patient, is related to the biasing force M actually exerted on chain 438 by the expression T=I"/I M wherein I and I" are the intervals from the pivotal axis at 422 to the axis of driven roller 418 and respectively to the axis of driving roller 434. It is to be taken into account that such rollers are caused to be only horizontally displaced, as being carried by the assembly comprising plate 400 and member 402 which is slidable along horizontal rods 404, and respectively as being guided by the horizontal guide bars 436, and therefore that the level of the horizontal paths of such rollers cannot be modified as being defined by stationary structural components.
The pivotal axis at 422 of the two-armed lever can however by selectively adjusted by rotating said screwthreaded rod 428, that is by raising and lowering the block which carries the pivot 422 and which is slidable along vertical guide bars 428. The ratio I"/I can be therefore be varied for proper selection of the force of traction either continuously or intermittently applied. For example by setting the mechanism as shown in FIG. 10, the force actually applied at T is about twice the actual biasing force applied at M.
FIGS. 11 and 12 illustrate a manner for supporting the pelvic and leg platform 22 for displacement in direction B, so that corresponding motions of the pelvic and leg regions of the patient, resulting from the traction, can be frictionlessy followed. Such platform 22 is guidedly supported by pairs (222 and 224) of idle rollers idly supported by pivots secured to plate members 220 appertaining to the planar structure of the platform 22, and rollingly embracing longitudinal, parallel and horizontal guide bars226 secured to components of the stationary structure 14.
A spring 228 having one end secured to said stationary structure 14 and another end secured at 230 to the movable platform structure, biases said platform in direction B for returning same in its rest position (as shown in FIGS. 4 and 12). This spring 228 is pretty weak so that such motions in direction B can be made painlessly for the patient. Suitable locking means (not shown) can be provided for locking such platform 22 at its rest position, for facilitating accommodating and removing of the patient, said locking means being obviously to be unlocked as the patient has been prepared for the traction treatment.
The apparatus is suitably complemented with control panels and boards including on-off and selector switches, safety devices, clock means for automatically discontinuing the actuation after a predetermined treatment time and so on. In FIG. 4 a control devices for adjusting the force applied for the traction has been generally illustrated at 432.
I claim:
1. An apparatus for mechanically, adjustingly and selectively exerting specific treatments including a traction applied to-the lumbar region of a patient having a thoracic halter belt adaptedto be and a pelvic halter belt secured about his body regions bordering his said lumbar region, the traction treatment comprising applying oppositely directed pulls on said halter belts, the said apparatus comprising, in combination: a stationary structure having head and foot ends and supporting at its upper surface an essentially horizontal patient supporting platform system having a longitudinal symmetry axis and comprising a thoracic platform, a pelvic and leg platform, and a lumbar support between said platforms and upwardly projecting above the plane generally defined by said platform systems, one of said platforms being selectively tiltable in either direction about said longitudinal axis, cross-bars arranged adjacently to said head and foot ends and adapted for connecting thereto straps secured to said thoracic and respectively pelvic halters and a mechanism for controlledly applying to one of said cross-bars a selectively adjustable force tending to increase the spacing between said cross-bars and therefore a preselected trac-' tion to said patients lumbar region.
2. The apparatus of claim 1, wherein the said thoracie platform is supported for lateral tilting about said symmetry axis, is connected to an operator controlled mechanism including irreversible transmission means for selectively and adjustably lateral tilting of said platform and maintaining said platform at the inclination at which it has been set, and wherein the said traction force applying mechanism is drivingly connected to the cross-bar located adjacent to said foot end.
3. The apparatus of claim 2, wherein the said pelvic and leg platform is supported upon said stationary structure for lengthwise guided displacement for frictionlessly accommodating the motions of the patients pelvic and leg regions when subjected to traction treatment, and wherein spring biasing means are provided for returning same pelvic and leg platform to its position nearest to said thoracic platform when the said traction treatment is discontinued.
4. The apparatus of claim 1, wherein the said lumbar support is supported upon said stationary structure for vertically guided displacement and is connected to an operator controlled mechanism including irreversible transmission means for selective adjustment of the height at which said lumbar support projects above the plane generally defined by adjacent platform and maintaining said lumbar support at the height at which it has been set.
S. The apparatus of claim 4, wherein said lumbar support comprises a lumbar supporting body having an upper lumbar curve supporting surface of cylindrical configuration about an axis horizontal and transversal, said body being supported for rotating about said axis for frictionlessly accommodating the lengthwise motions of the lumbar region of the patient when subjeced to traction treatment.
6. The apparatus of claim 1, which is complemented by an anti-scoliosis unit comprising a leg supporting platform having a vertical longitudinal symmetry plane and a longitudinally and upwardly extended middle portion defining the actual direction of the patients legs when set on said platform, means for positioning and sustaining at adjustable height said platform above the pelvic portion of the said pelvic and leg platform, and means for operator controlledly rotating the said leg supporting platform about a vertical axis in its said vertical symmetry plane.
7. The apparatus of claim 2 wherein said traction applying cross-bar has opposite portions symmetrical to a middle point, is supported for operator adjustable lateral tilting about an axis parallel to and above the said longitudinal symmetry axis, and is vertically adjustably connected to said mechanisms, and wherein the straps secured to said pelvic halter belt are connected to buckle means individually and selectively positionable along the one and respectively the other of said crossbar opposite portions.
8. The apparatus of claim '1, wherein the said force of traction applying mechanism comprises a driven assembly supported for reciprocation in the direction defined by said symmetry axis and having the said crossbar adjacent to said apparatus foot end adjustably connected thereto, a driving assembly urged in a given direction by a source of force, of adjustably selected maximal value, a variable ratio transmission connecting said driving assembly to said driven assembly for applying to said driven assembly and cross-bar an actual traction treatment force corresponding to the force applied by said source by the ratio at which said transmission has been set upon operator contol, and means for controlledly cyclically applying to said driven assembly a counter force exceeding the actually applied force for cyclically urging said assembly and cross-bar in direction opposite to that in which the traction treatment is being applied for consequently providing for intermittent traction by discontinuing the application of said traction force. v
9. The apparatus of claim 8, wherein said source of force comprises spring means connected to apply a load in a given direction, means for compensating the variation of said load as resulting by a variation of the elastic deformation of said spring means to provide an essentially constant given load'and wherein said transmission comprises a lever oscillatably supported about a pivotal axis, means for drivingly applying said given load to a first point of said lever at a first interval from said pivotal axis, means for drivedly connecting said reciprocatable driven assembly to a second point of said lever at a second interval from said pivotal axis, and operator controlled means for selectively modifying the length ratio of said first interval by said second interval.
10. The apparatus of claim 8, wherein the said counter force applying means comprise a motor operated crank means having a crank pin adapted for operator-activated continuous revolution, and a flexible and not extensible link connecting said crank pin to said reciprocatable driven assembly, said crank and link means being arranged and dimensioned for undisturbing the stroke of said reciprocatable assembly and cross-bar in the traction applying direction under said force, when said crank pin is turned or maintained at its position near to said assembly, while when said crank pin travels along or is maintained in the arc of its revolution, far from said assembly, said link imparts to said assembly a counter stroke of amplitude such to minimize the traction applied to the patients lumbar region.
Claims (10)
1. An apparatus for mechanically, adjustingly and selectively exerting specific treatments including a traction applied to the lumbar region of a patient having a thoracic halter belt adapted to be and a pelvic halter belt secured about his body regions bordering his said lumbar Region, the traction treatment comprising applying oppositely directed pulls on said halter belts, the said apparatus comprising, in combination: a stationary structure having head and foot ends and supporting at its upper surface an essentially horizontal patient supporting platform system having a longitudinal symmetry axis and comprising a thoracic platform, a pelvic and leg platform, and a lumbar support between said platforms and upwardly projecting above the plane generally defined by said platform systems, one of said platforms being selectively tiltable in either direction about said longitudinal axis, cross-bars arranged adjacently to said head and foot ends and adapted for connecting thereto straps secured to said thoracic and respectively pelvic halters and a mechanism for controlledly applying to one of said cross-bars a selectively adjustable force tending to increase the spacing between said cross-bars and therefore a preselected traction to said patient''s lumbar region.
2. The apparatus of claim 1, wherein the said thoracic platform is supported for lateral tilting about said symmetry axis, is connected to an operator controlled mechanism including irreversible transmission means for selectively and adjustably lateral tilting of said platform and maintaining said platform at the inclination at which it has been set, and wherein the said traction force applying mechanism is drivingly connected to the cross-bar located adjacent to said foot end.
3. The apparatus of claim 2, wherein the said pelvic and leg platform is supported upon said stationary structure for lengthwise guided displacement for frictionlessly accommodating the motions of the patient''s pelvic and leg regions when subjected to traction treatment, and wherein spring biasing means are provided for returning same pelvic and leg platform to its position nearest to said thoracic platform when the said traction treatment is discontinued.
4. The apparatus of claim 1, wherein the said lumbar support is supported upon said stationary structure for vertically guided displacement and is connected to an operator controlled mechanism including irreversible transmission means for selective adjustment of the height at which said lumbar support projects above the plane generally defined by adjacent platform and maintaining said lumbar support at the height at which it has been set.
5. The apparatus of claim 4, wherein said lumbar support comprises a lumbar supporting body having an upper lumbar curve supporting surface of cylindrical configuration about an axis horizontal and transversal, said body being supported for rotating about said axis for frictionlessly accommodating the lengthwise motions of the lumbar region of the patient when subjeced to traction treatment.
6. The apparatus of claim 1, which is complemented by an anti-scoliosis unit comprising a leg supporting platform having a vertical longitudinal symmetry plane and a longitudinally and upwardly extended middle portion defining the actual direction of the patient''s legs when set on said platform, means for positioning and sustaining at adjustable height said platform above the pelvic portion of the said pelvic and leg platform, and means for operator controlledly rotating the said leg supporting platform about a vertical axis in its said vertical symmetry plane.
7. The apparatus of claim 2 wherein said traction applying cross-bar has opposite portions symmetrical to a middle point, is supported for operator adjustable lateral tilting about an axis parallel to and above the said longitudinal symmetry axis, and is vertically adjustably connected to said mechanisms, and wherein the straps secured to said pelvic halter belt are connected to buckle means individually and selectively positionable along the one and respectively the other of said cross-bar opposite portions.
8. The apparatus of claim 1, wherein the said force of traction applying mechanism comprises a driven assembly supported for reciprocation in tHe direction defined by said symmetry axis and having the said cross-bar adjacent to said apparatus foot end adjustably connected thereto, a driving assembly urged in a given direction by a source of force, of adjustably selected maximal value, a variable ratio transmission connecting said driving assembly to said driven assembly for applying to said driven assembly and cross-bar an actual traction treatment force corresponding to the force applied by said source by the ratio at which said transmission has been set upon operator contol, and means for controlledly cyclically applying to said driven assembly a counter force exceeding the actually applied force for cyclically urging said assembly and cross-bar in direction opposite to that in which the traction treatment is being applied for consequently providing for intermittent traction by discontinuing the application of said traction force.
9. The apparatus of claim 8, wherein said source of force comprises spring means connected to apply a load in a given direction, means for compensating the variation of said load as resulting by a variation of the elastic deformation of said spring means to provide an essentially constant given load and wherein said transmission comprises a lever oscillatably supported about a pivotal axis, means for drivingly applying said given load to a first point of said lever at a first interval from said pivotal axis, means for drivedly connecting said reciprocatable driven assembly to a second point of said lever at a second interval from said pivotal axis, and operator controlled means for selectively modifying the length ratio of said first interval by said second interval.
10. The apparatus of claim 8, wherein the said counter force applying means comprise a motor operated crank means having a crank pin adapted for operator activated continuous revolution, and a flexible and not extensible link connecting said crank pin to said reciprocatable driven assembly, said crank and link means being arranged and dimensioned for undisturbing the stroke of said reciprocatable assembly and cross-bar in the traction applying direction under said force, when said crank pin is turned or maintained at its position near to said assembly, while when said crank pin travels along or is maintained in the arc of its revolution, far from said assembly, said link imparts to said assembly a counter stroke of amplitude such to minimize the traction applied to the patient''s lumbar region.
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US20070198061A1 (en) * | 2002-12-16 | 2007-08-23 | Cert Health Sciences, Llc | Method and apparatus for therapeutic treatment of back pain |
US20080021285A1 (en) * | 2006-01-04 | 2008-01-24 | Anne Drzyzga | Surgical retractor for use with minimally invasive spinal stabilization systems and methods of minimally invasive surgery |
US20080176714A1 (en) * | 2007-01-12 | 2008-07-24 | Boren John P | Machine and Method for Head, Neck and, Shoulder Stretching |
US20080176721A1 (en) * | 2007-01-12 | 2008-07-24 | Boren John P | Horizontal Lumbar Stretching Machine and Method |
US20110152931A1 (en) * | 2008-05-29 | 2011-06-23 | Jilin Zhang | Spinal Three-Dimensional Orthopedic Equipment |
US7981031B2 (en) | 2006-01-04 | 2011-07-19 | Depuy Spine, Inc. | Surgical access devices and methods of minimally invasive surgery |
US20110218086A1 (en) * | 2010-03-05 | 2011-09-08 | Boren John P | Apparatus and method of gravity-assisted spinal stretching |
US8038611B2 (en) | 2003-12-18 | 2011-10-18 | Depuy Spine, Inc. | Surgical methods and surgical kits |
DE202020000558U1 (en) | 2020-02-08 | 2020-05-05 | Gunter Tannhäuser | Combined diagnosis and treatment couch |
US20210244597A1 (en) * | 2016-06-20 | 2021-08-12 | Homero Sepulveda | Spine Alignment and Decompression Systems |
US11369505B2 (en) * | 2019-10-11 | 2022-06-28 | Charles Wolfer | Lumbar traction device |
US20220331201A1 (en) * | 2021-04-16 | 2022-10-20 | John Hincks Duke | Combined Lung Mobilizer and Ventilator |
US11547902B2 (en) | 2021-06-01 | 2023-01-10 | Scott Dickenson | Physical therapy device |
US11951058B2 (en) * | 2019-11-22 | 2024-04-09 | Scott Dickenson | Neck therapy device and method |
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US4103681A (en) * | 1976-09-10 | 1978-08-01 | Shanley Bernard J | Tilting traction apparatus |
US4243025A (en) * | 1978-04-26 | 1981-01-06 | Life Chiropractic College, Inc. | Cervical adjusting unit |
JPS58501262A (en) * | 1981-08-21 | 1983-08-04 | ルンドブラツド レイフ | Device for treating back diseases |
EP0086208B1 (en) * | 1981-08-21 | 1985-05-15 | Leif Lundblad | Apparatus for treating back ailments |
US4539978A (en) * | 1981-08-21 | 1985-09-10 | Leif Lundblad | Apparatus for treating back ailments |
US4655200A (en) * | 1982-11-18 | 1987-04-07 | Intra Med Industries Limited | Orthopedic apparatus |
US4579109A (en) * | 1982-11-29 | 1986-04-01 | Leif Lundblad | Apparatus for treating back ailments |
GB2175808B (en) * | 1985-05-29 | 1989-07-05 | David Vernon Orme | Treatment tables |
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US4867140A (en) * | 1986-05-19 | 1989-09-19 | Hovis Donald B | Fluid-actuated medical support |
US4723537A (en) * | 1986-12-19 | 1988-02-09 | Parker Jr Alonzo E | Passive exercising apparatus |
US4798414A (en) * | 1987-01-13 | 1989-01-17 | Vincent Hughes | Physiotherapeutic chair like device |
WO1990003770A1 (en) * | 1988-10-12 | 1990-04-19 | Pedro Liasch Filho | Elevating table for pelvis correction |
AU634800B2 (en) * | 1988-10-12 | 1993-03-04 | Pedro Liasch Filho | Elevating table for pelvis correction |
US4951654A (en) * | 1989-07-24 | 1990-08-28 | Gambale Anthony G | Traction table |
US5044359A (en) * | 1990-06-12 | 1991-09-03 | Reinert Otto C | Passive spinal extension device |
US5362302A (en) * | 1990-06-27 | 1994-11-08 | Jensen Three In One | Therapeutic table |
US5094228A (en) * | 1990-07-19 | 1992-03-10 | Reinert Otto C | Apparatus for treatment of the back |
US5180386A (en) * | 1991-05-03 | 1993-01-19 | Gravitech, Inc. | Method and device for maintaining or restoring normal lumbar curvature |
US5722923A (en) * | 1995-08-08 | 1998-03-03 | Lui; Herman | Device for abdominal muscle exercise |
US6102882A (en) * | 1996-04-15 | 2000-08-15 | Cobo; Bernabe Cobo | Physiotherapy apparatus for the treatment of articular stiffness |
US6328759B1 (en) * | 1997-04-29 | 2001-12-11 | Ji Ling Zhang | Spinal three-dimensional orthopedic equipment |
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US6152950A (en) * | 1998-03-31 | 2000-11-28 | Cluster Technology Corp. | Apparatus for therapeutic treatment of low back pain |
US6007568A (en) * | 1998-08-17 | 1999-12-28 | Harrell; Eric A. | Traction table |
GB2341099B (en) * | 1998-09-07 | 2001-08-08 | Kevin Mullally | Clinical table for treatment of the spine |
US20030139777A1 (en) * | 2000-06-05 | 2003-07-24 | Shiyou Xiao | Digitized control three-dimensional spinal orthopaedic device |
US7112215B2 (en) * | 2000-06-05 | 2006-09-26 | Shiyou Xiao | Digitized control three-dimensional spinal orthopaedic device |
US6428497B1 (en) * | 2001-09-01 | 2002-08-06 | Richard A. Crouch | Therapeutic table system |
US7540877B2 (en) * | 2002-12-16 | 2009-06-02 | Emsky Timothy R | Method and apparatus for therapeutic treatment of back pain |
US20070198061A1 (en) * | 2002-12-16 | 2007-08-23 | Cert Health Sciences, Llc | Method and apparatus for therapeutic treatment of back pain |
US10869657B2 (en) | 2003-12-18 | 2020-12-22 | DePuy Synthes Products, Inc. | Surgical retractor systems and illuminated cannulae |
US8622897B2 (en) | 2003-12-18 | 2014-01-07 | DePuy Synthes Products, LLC | Surgical methods and surgical kits |
US8602984B2 (en) | 2003-12-18 | 2013-12-10 | DePuy Synthes Products, LLC | Surgical retractor systems and illuminated cannulae |
US8038611B2 (en) | 2003-12-18 | 2011-10-18 | Depuy Spine, Inc. | Surgical methods and surgical kits |
WO2006116336A2 (en) * | 2005-04-25 | 2006-11-02 | Depuy Spine, Inc. | Cassette based surgical retractor |
US20070038033A1 (en) * | 2005-04-25 | 2007-02-15 | Depuy Spine, Inc. | Cassette based surgical retractor |
WO2006116336A3 (en) * | 2005-04-25 | 2007-12-21 | Depuy Spine Inc | Cassette based surgical retractor |
US8550995B2 (en) | 2006-01-04 | 2013-10-08 | DePuy Synthes Products, LLC | Surgical access devices and methods of minimally invasive surgery |
US20080021285A1 (en) * | 2006-01-04 | 2008-01-24 | Anne Drzyzga | Surgical retractor for use with minimally invasive spinal stabilization systems and methods of minimally invasive surgery |
US7758501B2 (en) | 2006-01-04 | 2010-07-20 | Depuy Spine, Inc. | Surgical reactors and methods of minimally invasive surgery |
US7918792B2 (en) | 2006-01-04 | 2011-04-05 | Depuy Spine, Inc. | Surgical retractor for use with minimally invasive spinal stabilization systems and methods of minimally invasive surgery |
US8517935B2 (en) | 2006-01-04 | 2013-08-27 | DePuy Synthes Products, LLC | Surgical retractors and methods of minimally invasive surgery |
US20070156024A1 (en) * | 2006-01-04 | 2007-07-05 | William Frasier | Surgical Retractors and Methods of Minimally Invasive Surgery |
US7981031B2 (en) | 2006-01-04 | 2011-07-19 | Depuy Spine, Inc. | Surgical access devices and methods of minimally invasive surgery |
US7955257B2 (en) | 2006-01-05 | 2011-06-07 | Depuy Spine, Inc. | Non-rigid surgical retractor |
US20110213207A1 (en) * | 2006-01-05 | 2011-09-01 | Depuy Spine, Inc. | Non-rigid surgical retractor |
US9254126B2 (en) | 2006-01-05 | 2016-02-09 | DePuy Synthes Products, Inc. | Non-rigid surgical retractor |
US20070156023A1 (en) * | 2006-01-05 | 2007-07-05 | Depuy Spine, Inc. | Non-rigid surgical retractor |
US7846080B2 (en) | 2007-01-12 | 2010-12-07 | Boren John P | Machine and method for head, neck and, shoulder stretching |
US20080176714A1 (en) * | 2007-01-12 | 2008-07-24 | Boren John P | Machine and Method for Head, Neck and, Shoulder Stretching |
US20080176721A1 (en) * | 2007-01-12 | 2008-07-24 | Boren John P | Horizontal Lumbar Stretching Machine and Method |
US20110152931A1 (en) * | 2008-05-29 | 2011-06-23 | Jilin Zhang | Spinal Three-Dimensional Orthopedic Equipment |
US8235877B2 (en) | 2010-03-05 | 2012-08-07 | Boren John P | Apparatus and method of gravity-assisted spinal stretching |
US20110218086A1 (en) * | 2010-03-05 | 2011-09-08 | Boren John P | Apparatus and method of gravity-assisted spinal stretching |
US20210244597A1 (en) * | 2016-06-20 | 2021-08-12 | Homero Sepulveda | Spine Alignment and Decompression Systems |
US11369505B2 (en) * | 2019-10-11 | 2022-06-28 | Charles Wolfer | Lumbar traction device |
US11951058B2 (en) * | 2019-11-22 | 2024-04-09 | Scott Dickenson | Neck therapy device and method |
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US20220331201A1 (en) * | 2021-04-16 | 2022-10-20 | John Hincks Duke | Combined Lung Mobilizer and Ventilator |
US11547902B2 (en) | 2021-06-01 | 2023-01-10 | Scott Dickenson | Physical therapy device |
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