CN102028533A - Spinal deformation correcting device and using method thereof - Google Patents
Spinal deformation correcting device and using method thereof Download PDFInfo
- Publication number
- CN102028533A CN102028533A CN 201110006562 CN201110006562A CN102028533A CN 102028533 A CN102028533 A CN 102028533A CN 201110006562 CN201110006562 CN 201110006562 CN 201110006562 A CN201110006562 A CN 201110006562A CN 102028533 A CN102028533 A CN 102028533A
- Authority
- CN
- China
- Prior art keywords
- nail
- pressure bar
- afterbody pipe
- spinal column
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to the technical field of medical apparatus, and discloses a spinal deformation correcting device. The spinal deformation correcting device comprises pedicle screws, a longitudinal connective bar, a bar presser, a locking nut, transverse connectors and a longitudinal connecting framework, wherein the screw bodies of the pedicle screws are implanted into a vertebral body of a spinal column to be corrected; the longitudinal connective bar is spliced with grooves of the pedicle screws; the bar presser is sleeved on the outer side of the pedicle screws; the locking nut is matched with internal threads of the pedicle screws; the transverse connectors are connected with tail pipes of two pedicle screws positioned on the same vertebral body; and a plurality of the transverse connectors positioned in the longitudinal direction of the spinal column are connected with one another through the longitudinal connecting framework. Besides, the invention also discloses a using method of the spinal deformation correcting device.
Description
Technical field
The present invention relates to technical field of medical instruments, relate in particular to a kind of deformation of spinal column apparatus for correcting.The invention still further relates to a kind of using method of above-mentioned deformation of spinal column apparatus for correcting.
Background technology
Have the history of decades by the operative treatment deformity of spine of internal fixation of spine technology; Adopt the internal fixation of spine technology so far the eighties in 20th century from China, fixation with steel wire under from initial Harrington (Ha Shi rod) technology to the Luque cone-plate of the seventies, arrive CD (Cotrel-Dubousset) internal fixation system again, the internal fixation of spine technology has obtained very big progress.In recent years, along with the development of spinal biomechanics research and material science, to such an extent as to the internal fixation of spine technology has obtained extensive use in operative treatments such as spinal column degenerative disease, tumor of spine, the infection of wound spinal column.
The apparatus that the internal fixation of spine technology is used comprises pedicle nail, rod, pressure bar device, breast-stroke pincers, waves pincers etc.Rod and pedicle nail relative fixed, thus by using pressure bar device, breast-stroke pincers, waving apparatus such as pincers the rod with certain plasticity bend rod, pressure bar, is revolved operation drive pedicle nail such as rod, realization resets to the orthopedic of vertebral body.
Please refer to Fig. 1, Fig. 1 is the structural representation of pedicle nail in the prior art.
Pedicle nail used in the prior art comprises nail seat and nail body, in the implantable spinal column of nail body, the nail seat is provided with U type groove 1, rod can be inserted in the U type groove 1 of pedicle of vertebral arch ailing seat, be provided with screw thread 2 above the U-lag 1 above the sidewall of groove, this screw thread 2 cooperates and rod can be locked with suitable locking nut.
When carrying out the internal fixation of spine technology, select suitable pedicle nail earlier, the nail body of pedicle nail is implanted in the spinal column; Re-use the bottom that the breast-stroke pincers are pressed onto suitable rod the U type groove 1 of pedicle nail.In the operation process, rod need be pressed onto in the groove of nail seat of pedicle nail because pedicle nail implants according to the Human Physiology curve, therefore rod is penetrated setting not a plurality of pedicle nails on same straight line are unusual difficulties.For U type groove that rod is packed into smoothly, and, except will using the breast-stroke pincers, also must use a large amount of supporting apparatuses such as waving pincers, pressure bar device to carry out pull-rod, pressure bar operation with the physiological curve of excellent plastotype to the patient.After dress rod, pressure bar operation are finished, carry out the resetting orthopedic operation again; In the resetting orthopedic operating process, do by revolving clubs, with curved excellent instrument rod is carried out pre-bending in the body, make rod can be good at meeting the physiological curve of human body, also need to cooperate miscellaneous part to strut simultaneously and operation such as pressurization.More than curved rod, strut, operation such as pressurization usually hockets.
By the introduction of above-mentioned operative process as can be known, in dress rod and pressure bar operation, utilize the operating process of pedicle nail of the prior art and pressure bar device very complicated, thereby increased the difficulty of performing the operation.
Therefore, providing a kind of deformation of spinal column apparatus for correcting of conveniently treating the deformity of spine operation technique is the technical problem of the required solution of those skilled in the art.
Summary of the invention
First purpose of the present invention provides a kind of deformation of spinal column apparatus for correcting, and this deformation of spinal column apparatus for correcting can conveniently carry out the deformation of spinal column corrective operations.
In addition, another object of the present invention provides a kind of using method of above-mentioned deformation of spinal column apparatus for correcting.
For realizing above-mentioned first purpose, deformation of spinal column apparatus for correcting provided by the present invention comprises pedicle nail, vertical pitman, pressure bar device, locking nut, lateral connector and vertical connecting frame;
The nail body of described pedicle nail is implanted in the vertebral body that needs corrigent spinal column, and the groove of described vertical pitman and described pedicle nail is pegged graft, and described pressure bar device is placed in the outside of described pedicle nail, the screw-internal thread fit of described locking nut and described pedicle nail; Lateral connector is connected with the afterbody pipe that is positioned at same epicentral two pedicle nails respectively; Being positioned at a plurality of longitudinally lateral connectors of spinal column connects by vertical connecting frame.
Preferably, described pedicle nail comprises nail body, the nail seat that is connected with the nail body, described nail seat is provided with groove, described groove medial wall is provided with female thread, the breech face of described nail seat is provided with the afterbody pipe, the bearing of trend of described afterbody pipe is opposite with the bearing of trend of described nail body, described afterbody pipe is provided with along the described vertical pitman of the axially extended confession of afterbody pipe along the afterbody caliber to the slotted hole that inserts, this slotted hole is communicated with described groove, and the internal diameter of described afterbody pipe is not less than the external diameter of described female thread.
Preferably, that the tube wall of described afterbody pipe is provided with is relative, communicate with centre bore respectively two wear excellent groove, two described wears excellent groove and forms described slotted hole; Described outer end sealing of wearing excellent groove.
Preferably, described pressure bar device is a tubular structure, and the internal diameter of described pressure bar device is not less than the external diameter of described afterbody pipe, and the inwall of described pressure bar device is provided with the locking mechanism that is used for one-way locking.
Preferably, described locking mechanism is the latch that matches with pawl on the described afterbody pipe sidewall.
Preferably, the sidewall of described pressure bar device is provided with groove, is provided with shell fragment in this groove, and the medial surface of this shell fragment is provided with the slope round platform that matches with knuckle-tooth on the described afterbody pipe sidewall.
Deformation of spinal column apparatus for correcting provided by the present invention comprises pedicle nail, vertical pitman, pressure bar device, locking nut, lateral connector and vertical connecting frame; The nail body of described pedicle nail is implanted in the vertebral body that needs corrigent spinal column, and the groove of described vertical pitman and described pedicle nail is pegged graft, and described pressure bar device is placed in the outside of described pedicle nail, the screw-internal thread fit of described locking nut and described pedicle nail; Lateral connector is connected with the afterbody pipe that is positioned at same epicentral two pedicle nails respectively; Being positioned at a plurality of longitudinally lateral connectors of spinal column connects by vertical connecting frame.
The deformation of spinal column apparatus for correcting of this structure, only adopt pedicle nail, vertically pitman, pressure bar device, locking nut, lateral connector and vertical connecting frame can be realized the deformation of spinal column corrective procedure, can make that the deformation of spinal column corrective procedure is simple to operate, easy operating, operation accurately, dangerous little.
In order to realize above-mentioned second purpose, the present invention also provides a kind of using method of above-mentioned deformation of spinal column apparatus for correcting, and this method is carried out according to the following steps:
S101 implants the nail body of pedicle nail in the vertebral body;
S102 inserts vertical pitman in the slotted hole of afterbody pipe of pedicle nail;
S103 is sleeved on the outside of the afterbody pipe of described pedicle nail with the pressure bar device, moves described pressure bar device and presses a vertically pitman of institute, in the groove of the nail seat that described vertical pitman is pressed into described pedicle nail;
S104 enters locking nut in the described nail seat by described afterbody pipe, with the screw-internal thread fit of described nail seat, forms locking temporarily;
S105 carries out the restoring backbone operation;
S106 locks described vertical pitman;
S107 removes the afterbody pipe of pedicle nail.
Preferably, described step S105 is specially, and adopts lateral connector, vertical adapter to carry out the restoring backbone operation.
Description of drawings
Fig. 1 is the structural representation of pedicle nail in the prior art;
Fig. 2 is a kind of front view of the specific embodiment of the pedicle nail of deformation of spinal column apparatus for correcting provided by the present invention;
Fig. 3 is the side view of pedicle nail shown in Figure 2;
Fig. 4 is the three-dimensional cutaway view of pedicle nail shown in Figure 2;
Fig. 5 is the structural representation that the afterbody pipe of pedicle nail provided by the present invention is connected with the split of nail seat;
The structural representation of a kind of specific embodiment of the afterbody pipe split processing of the pedicle nail that provides of the present invention is provided Fig. 6;
Fig. 7 is the cutaway view of pressure bar device provided by the present invention.
Structural representation when Fig. 8 installs for locking nut;
Fig. 9 is the flow chart of deformation of spinal column apparatus for correcting using method provided by the present invention;
Figure 10 implants the structural representation of vertebral body for pedicle nail;
Figure 11 is a structural representation of implanting a plurality of pedicle nails on the spinal column;
Figure 12 carries out the structural representation of pressure bar operation for the pressure bar device;
Figure 13 is installed with the structural representation of vertical pitman for a plurality of pedicle nails;
Figure 14 is that same epicentral two pedicle nails are by the fixed structural representation of lateral connector
Figure 15 is for being positioned at a plurality of longitudinally lateral connectors of spinal column by the fixed structural representation of vertical connecting frame.
The specific embodiment
First core of the present invention provides a kind of deformation of spinal column apparatus for correcting, and this deformation of spinal column apparatus for correcting can conveniently carry out the deformation of spinal column corrective operations.Another core of the present invention provides a kind of using method of above-mentioned deformation of spinal column apparatus for correcting.
In order to make those skilled in the art person understand the present invention program better, the invention will be described in further detail below in conjunction with the drawings and specific embodiments.
Deformation of spinal column apparatus for correcting provided by the invention comprises pedicle nail, vertical pitman, pressure bar device, locking nut, lateral connector and vertical connecting frame.
The nail body of described pedicle nail is implanted in the vertebral body that needs corrigent spinal column, and the groove of described vertical pitman and described pedicle nail is pegged graft, and described pressure bar device is placed in the outside of described pedicle nail, the screw-internal thread fit of described locking nut and described pedicle nail; Lateral connector is connected with the afterbody pipe that is positioned at same epicentral two pedicle nails respectively; Being positioned at a plurality of longitudinally lateral connectors of spinal column connects by vertical connecting frame.
The deformation of spinal column apparatus for correcting of this structure, only adopt pedicle nail, vertically pitman, pressure bar device, locking nut, lateral connector and vertical connecting frame can be realized the deformation of spinal column corrective procedure, can make that the deformation of spinal column corrective procedure is simple to operate, easy operating, operation accurately, dangerous little.
Wherein, as Fig. 2-shown in Figure 4, pedicle nail 100 comprises nail body 8 and nail seat 7, and the afterbody of nail seat 7 is provided with the groove 72 at its breech face opening, and groove 72 medial walls are provided with female thread 71.The breech face of nail seat 7 is provided with afterbody pipe 4, and afterbody pipe 4 has predetermined length, and its bearing of trend is opposite with the bearing of trend of nail body 8.Afterbody pipe 4 is a tubular structure, and its inner diameter d 1 is not less than the outside diameter d 2 (situation about equating for both shown in the figure) of female thread 71.That the tube wall of afterbody pipe 4 is provided with is relative, communicate with the centre bore 11 of afterbody pipe 4 respectively two wear excellent groove 10; Wear excellent groove 10 and extend at the centerline direction of described afterbody pipe 4, and innerly communicate with groove 72, wear excellent groove 10 for two and form for described vertical pitman 40 along the slotted hole of afterbody caliber to insertion, this slotted hole is a centre bore 11; The outer surface of tube wall of afterbody pipe 4 is provided with the card seam towards its inner pawl 5.
Described vertical pitman 40 is pegged graft with described groove, and pressure bar device 20 is placed in the outside of described pedicle nail 100, and above-mentioned locking nut 30 matches with described female thread.
The deformation of spinal column apparatus for correcting of this structure, when adorning clubs and do, owing to have the afterbody pipe 4 of predetermined length, after nail body 8 is implanted spinal column, the implantation point of pedicle nail 100 can be departed from the outer end of the afterbody pipe 4 of a plurality of pedicle nails 100, and then the outer end arrangement position of afterbody pipe 4 that makes a plurality of pedicle nails 100 is with vertically pitman 40 bearing of trends are more approaching; Like this, wearing during clubs does, can more easily vertical pitman 40 passed successively the wearing in the excellent groove 10 of afterbody pipe 4 of a plurality of pedicle nails 100.
In the pressure bar operation, utilize pressure bar device 20 described later to make rod along wearing excellent groove 10 to afterbody pipe 4 inner moving; Because the groove 72 of the inner of wearing excellent groove 10 and nail 7 communicates, therefore, vertical pitman 40 successfully can be pressed onto in the groove 72 of nail seat 7 of pedicle nail 100.
When utilizing pressure bar device 20 to carry out pressure bar, vertically pitman 40 is when wearing excellent groove 10 and move, and vertically pitman 40 can also drive pedicle nail 100 and moves, and realizes certain orthopedic resetting.Wear rod and pressure bar the operation finish after, because the internal diameter of afterbody pipe 4 is not less than the external diameter of female thread 71, locking nut 30 can be passed from the centre bore 11 of afterbody pipe 4, arrive female thread 71 places, lock locking nut 30 again, make the maintenance relative fixed of vertical pitman 40 and pedicle nail 100.Therefore, this pedicle nail 100 can conveniently be adorned rod and pressure bar operation.
The deformation of spinal column apparatus for correcting of this structure can conveniently be adorned rod and pressure bar operation.Simultaneously, in carrying out the pressure bar operation, can make pedicle nail 100 with vertical pitman 40 swings, thereby can realize certain resetting orthopedic, for follow-up resetting orthopedic operation provides good prerequisite.
The card seam of pawl 5 is towards the inner of afterbody pipe 4, and pawl 5 matches with the latch of pressure bar device 20, like this, when vertical pitman 40 is pressed into groove 72 or is pressed onto the precalculated position, pawl 5 matches with the latch of pressure bar device 20 and can make pressure bar device 20 and afterbody pipe 4 keep relative fixed, make rod keep temporary transient locking, thereby provide prerequisite for fixing vertical pitman 40 or other operations.
In addition, on the afterbody pipe 4, the quantity of pawl 5 and position can be selected according to actual needs.When being provided with a plurality of pawl 5, a plurality of pawls 5 can be worn the outward flange setting of excellent groove 10 along one or two, as shown in Figure 4; A plurality of pawls 5 are provided with and can make pressure bar more convenient to operate along wearing excellent groove 10.Certainly, pawl 5 also can be arranged on other positions of the outer surface of tube wall of afterbody pipe 4.
In the pedicle nail 100 in a kind of specific embodiment provided by the invention, wear the outer end sealing of excellent groove 10, can avoid wearing in the rod motion so on the one hand, vertically pitman 40 skids off and wears excellent groove 10, can also increase simultaneously the intensity of afterbody pipe, to reach better fixed effect.
When enclosed construction is adopted in the outer end of wearing excellent groove 10, two relative U type openings 9 can be set in the outer end portion of afterbody pipe 4; It is interlaced on the centrage vertical plane of afterbody pipe 4 that two U type openings 9 and two wear excellent groove 10; Vertical first snap slot 3 of centrage of bearing of trend and afterbody pipe 4 is set at the outer surface of tube wall of afterbody pipe 4 simultaneously; Wherein, the distance L 2 between the outer end of first snap slot 3 and afterbody pipe 4 is less than the distance L 1 between the outer end of the bottom of U type opening 9 and afterbody pipe 4, and greater than the distance L 3 between the outer end of outer end of wearing excellent groove 10 and afterbody pipe 4.After operation is finished, the part of two U type opening 9 both sides can be fractureed along first snap slot 3 like this, and then make and wear excellent groove 10 outer ends and convert hatch frame to, the two side portions of wearing excellent groove 10 facilitates in order further to fracture.
Wear the two side portions of excellent groove 10 for the ease of fractureing, further, be provided with distance L between the outer end of centrage vertical second snap slot 6, the second snap slots 6 of bearing of trend and afterbody pipe 4 and afterbody pipe 4 at the outer surface of tube wall of afterbody pipe 4 greater than the distance L 2 between the outer end of first snap slot 3 and afterbody pipe 4; After the pressure bar operation is finished, can fracture along second snap slot 6 and wear excellent groove 10 two side portions, and then shorten the length of pedicle nail 100.
Second snap slot 6 can be arranged between the inner of first snap slot 3 and afterbody pipe 4.Preferred embodiment, be that second snap slot 6 is arranged on afterbody pipe 4 and the junction of following closely seat 7, and make the bearing of trend of second snap slot 6 vertical with the centrage of afterbody pipe 4.Like this, when fractureing operation, can fully afterbody pipe 4 be removed, only keep the nail body 8 and the nail seat 7 of pedicle nail 100, reduce operation back pedicle nail 100 occupation space.
Distance L 2 between the outer end of distance L 1, first snap slot 3 and afterbody pipe 4 between the bottom of the distance L between the outer end of second snap slot 6 and afterbody pipe 4, U type opening 9 and the outer end of afterbody pipe 4 and wear the outer end of excellent groove 10 and the outer end of afterbody pipe 4 between the numerical range of distance L 3 be equipped with, be that afterbody pipe 4 adopts different length, wears the different length of excellent groove 10 employings, above-mentioned distance all can change to some extent, can select according to actual needs.
The setting of above-mentioned first snap slot 3 and second snap slot 6 is not that what only define snap slot is two, and the quantity of snap slot and position can be selected according to practical operation, certainly, under afterbody tube material situation easy to break, snap slot can be set yet.
Under specific circumstances, the outer end that also can wear excellent groove 10 is set to hatch frame.When adopting hatch frame, after operation fractureing of afterbody pipe 4 being operated also can be more convenient.When wearing excellent groove 10 for hatch frame, the outer surface of tube wall of afterbody pipe 4 also can be provided with the vertical snap slot of centrage of bearing of trend and afterbody pipe 4, for the postoperative operation that fractures is provided convenience, and the quantity of snap slot can be provided with according to the needs of reality processing.
The above outer end and the inner all are for nail body 8, and promptly the end near nail body 8 is inner, is the outer end away from an end of following closely body 8.
Please refer to Fig. 5 and Fig. 6, Fig. 5 is the structural representation that the afterbody pipe of pedicle nail provided by the present invention is connected with the split of nail seat, and the structural representation of a kind of specific embodiment of the afterbody pipe split processing of the pedicle nail that provides of the present invention is provided Fig. 6.
Described 4 splits of afterbody pipe are processed is meant, at first, the part of afterbody pipe 4 and nail seat 7 are processed as one, another part of afterbody pipe 4 is separately after the processing, with two parts welding of afterbody pipe 4, and then structures such as excellent groove 10, U type opening 9 and pawl 5 are worn in processing.Certainly, also can change machining process according to actual needs.
Please refer to Fig. 7, Fig. 7 is the cutaway view of pressure bar device provided by the present invention.
As shown in Figure 7, this pressure bar device 20 is a tubular structure, and the inside diameter D 2 of pressure bar device 20 is not less than the outer diameter D 1 of above-mentioned afterbody pipe 4, also is provided with the latch 12 that matches with above-mentioned pawl 5 on the inwall of pressure bar device 20.Latch 12 can be by flexure strip or other elastomeric elements and pressure bar device 20 the linking to each other of inwall; Like this, in carrying out the pressure bar operating process, can make latch 12 outwards swing under the effect of pawl 5 tops, to make things convenient for pressure bar device 20 to lower slider; Elastomeric element can keep latch 12 to move inward trend, to keep at preposition and the cooperating of pawl 5.
In addition, bigger at the internal diameter of pressure bar device 20, and when having suitable dimension, latch 12 and pressure bar device 20 inwalls are maintained fixed; Under this situation, when pressure bar, need make the centrage of pressure bar device 20 depart from the centrage of afterbody pipe 4, make latch 12 keep separating, after pressure bar device 20 arrives precalculated positions, make 20 translations of pressure bar device again, latch 12 is cooperated with pawl 5 maintenances with pawl 5.
When carrying out the pressure bar operation,, therefore, pressure bar device 20 can be set to outside the pedicle nail 100 afterbody pipes 4 because the inside diameter D 2 of pressure bar device 20 is not less than the outer diameter D 1 of afterbody pipe 4.Pressure bar device 20 is pressed down, vertical pitman 40 is moved along wearing excellent groove direction, when needs are located, latch 12 is cooperated, with pawl 5 temporarily with excellent locking.Under the situation that latch 12 and pawl 5 match, just can realize the location of pressure bar device 20 and the vertical temporary transient locking of pitman 40, therefore, pressure bar device 20 goes for the above-mentioned pedicle nail 100 of the external diameter of afterbody pipe 4 less than the different model of its internal diameter.
In addition, be provided with two relative excellent draw-in grooves 13 in a side end face of pressure bar device 20.In the operating process, excellent draw-in groove 13 is used to be stuck in the side of vertical pitman 40, and vertical pitman 40 is moved along wearing excellent groove 10.
The latch 12 of pressure bar device 20 can only be provided with one, and when pressure bar device 20 carried out pressure bar, along with moving down of pressure bar device 20, the pawl 5 that latch 12 can be different with position on pressure bar device 20 centerline directions cooperated, equally can be at preposition with the temporary transient locking of rod.Certainly, latch 12 can also be set to a plurality of.
In the foregoing description, the locking mechanism that is used for one-way locking pressure bar device 20, adopt the structure of the latch that matches with pawl on the described afterbody pipe sidewall, described locking device can also adopt following structure: the sidewall at pressure bar device 20 is provided with groove, being provided with in this groove can be along the shell fragment of pressure bar device 20 radial elastics distortion, the medial surface of this shell fragment is provided with the slope round platform, and can match with the knuckle-tooth that is provided with on the afterbody pipe sidewall in the side of this slope round platform, with one-way locking pressure bar device 20; When withdrawing from pressure bar device 20, can press down shell fragment, make the slope round platform break away from and cooperate with knuckle-tooth.
When vertical pitman 40 is pressed in the groove on the nail seat of pedicle nail 100, for fixing vertical pitman 40, can adopt female thread on locking nut 30 and the groove to form cooperates, as shown in Figure 8, locking nut 30 passes from the centre bore 11 of afterbody pipe 4, arrive female thread 71 places, lock locking nut 30 again, make the maintenance relative fixed of vertical pitman 40 and pedicle nail 100.
In the concrete scheme, the structure of described lateral connector as shown in figure 14, lateral connector 50 can be connected with same epicentral two pedicle nails 100, can be used for adjusting two angles between the pedicle nail 100.
In the concrete scheme, the structure of described vertical connecting frame as shown in figure 15, vertically connecting frame comprises horizontal connecting rod and two vertical connecting rods that are arranged side by side, vertically connecting rod connects a plurality of lateral connectors 50, laterally connecting rod connects two vertical connecting rods, and laterally connecting rod is provided with and the draw-in groove structure distance between two vertical connecting rods of movable adjusting, but and one-way locking, to play fixation.
The present invention also provides a kind of using method of above-mentioned deformation of spinal column apparatus for correcting, and following examples are simply introduced it in conjunction with the accompanying drawings.
Please referring to Fig. 9, Fig. 9 is the flow chart of deformation of spinal column apparatus for correcting using method provided by the present invention.
As shown in Figure 9, the using method of this deformation of spinal column apparatus for correcting may further comprise the steps.
Step 101 is implanted the nail body of pedicle nail 100 in the vertebral body.As shown in figure 10, as required, select to have the pedicle nail 100 of appropriate length, diameter, on cone, select suitable to go into to follow closely angle, go into to follow closely a little, go into the nail body that the nail point is implanted pedicle nail 100 described; As shown in figure 11, respectively along A1, A2 direction, on a plurality of cones, implant a plurality of pedicle nails 100 in the both sides of spinal column.
Step 102 is inserted vertical pitman 40 in the centre bore 11 of afterbody pipe 4 of pedicle nails 100.Vertical pitman 40 is inserted in the centre bore 11 of afterbody pipe 4 of pedicle nails 100, vertical pitman 40 inserts in the centre bore 11 of afterbody pipe 4 of a plurality of pedicle nails 100 of spinal column the same side successively.
Step 103, as shown in figure 12, pressure bar device 20 is sleeved on the outside of the afterbody pipe 4 of pedicle nail 100, and mobile pressure bar device 20 makes the vertical pitman 40 of base abuts of pressure bar device 20, to pressing down vertical pitman 40, in the groove of the nail seat 7 that vertical pitman 40 is pressed into pedicle nail 100, as shown in figure 13, vertically pitman 40 passes a plurality of pedicle nails 100, when vertically pitman 40 passes a plurality of pedicle nail 100, can be to the spinal column adjustment that tentatively resets.
Step 104 enters locking nut 30 in the nail seat by afterbody pipe 4, and locking nut 30 forms with the female thread 71 of nail seat 7 and cooperates, and can form interim locking to vertical pitman 40.
Step 105 is carried out the restoring backbone operation.Spinal column is carried out rectification and recovery, can adopt lateral connector 50, as shown in figure 14, lateral connector 50 is connected with same epicentral two pedicle nails 100, can adjust two angles between the pedicle nail 100, can carry out the rectification and recovery operation by lateral connector 50 and 60 pairs of spinal columns of vertical connecting frame.
The using method of this deformation of spinal column apparatus for correcting can conveniently be adorned the operation of rod and pressure bar, can more easily realize the rectification and recovery operation of spinal column.
Used specific embodiment herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for excellent assistant and separates method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (8)
1. a deformation of spinal column apparatus for correcting is characterized in that, comprises pedicle nail, vertical pitman, pressure bar device, locking nut, lateral connector and vertical connecting frame;
The nail body of described pedicle nail is implanted in the vertebral body that needs corrigent spinal column, and the groove of described vertical pitman and described pedicle nail is pegged graft, and described pressure bar device is placed in the outside of described pedicle nail, the screw-internal thread fit of described locking nut and described pedicle nail; Described lateral connector is connected with the afterbody pipe that is positioned at same epicentral two pedicle nails respectively; Being positioned at a plurality of longitudinally described lateral connectors of spinal column connects by described vertical connecting frame.
2. deformation of spinal column apparatus for correcting according to claim 1, it is characterized in that, described pedicle nail comprises the nail body, the nail seat that is connected with the nail body, described nail seat is provided with groove, described groove medial wall is provided with female thread, the breech face of described nail seat is provided with the afterbody pipe, the bearing of trend of described afterbody pipe is opposite with the bearing of trend of described nail body, described afterbody pipe is provided with along the described vertical pitman of the axially extended confession of afterbody pipe along the afterbody caliber to the slotted hole that inserts, this slotted hole is communicated with described groove, and the internal diameter of described afterbody pipe is not less than the external diameter of described female thread.
3. deformation of spinal column apparatus for correcting according to claim 1 is characterized in that, that the tube wall of described afterbody pipe is provided with is relative, communicate with centre bore respectively two wear excellent groove, two described wears excellent groove and forms described slotted hole; Described outer end sealing of wearing excellent groove.
4. deformation of spinal column apparatus for correcting according to claim 1 is characterized in that, described pressure bar device is a tubular structure, and the internal diameter of described pressure bar device is not less than the external diameter of described afterbody pipe, and the inwall of described pressure bar device is provided with the locking mechanism that is used for one-way locking.
5. deformation of spinal column apparatus for correcting according to claim 4 is characterized in that, described locking mechanism is the latch that matches with pawl on the described afterbody pipe sidewall.
6. deformation of spinal column apparatus for correcting according to claim 4 is characterized in that the sidewall of described pressure bar device is provided with groove, is provided with shell fragment in this groove, and the medial surface of this shell fragment is provided with the slope round platform that matches with knuckle-tooth on the described afterbody pipe sidewall.
7. the using method of each described deformation of spinal column apparatus for correcting of claim 1-6 is characterized in that, this method is carried out according to the following steps:
S101 implants the nail body of pedicle nail in the vertebral body;
S102 inserts vertical pitman in the slotted hole of afterbody pipe of pedicle nail;
S103 is sleeved on the outside of the afterbody pipe of described pedicle nail with the pressure bar device, moves described pressure bar device to pressing down described vertical pitman, in the groove of the nail seat that described vertical pitman is pressed into described pedicle nail;
S104 enters locking nut in the described nail seat by described afterbody pipe, with the screw-internal thread fit of described nail seat, forms locking temporarily;
S105 carries out the restoring backbone operation;
S106 locks described vertical pitman;
S107, the afterbody pipe of the pedicle nail that fractures.
8. the using method of deformation of spinal column apparatus for correcting according to claim 7 is characterized in that, described step S105 is specially, and adopts lateral connector, vertical adapter to carry out the restoring backbone operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110006562 CN102028533B (en) | 2011-01-13 | 2011-01-13 | Spinal deformation correcting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110006562 CN102028533B (en) | 2011-01-13 | 2011-01-13 | Spinal deformation correcting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102028533A true CN102028533A (en) | 2011-04-27 |
| CN102028533B CN102028533B (en) | 2013-04-17 |
Family
ID=43882366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110006562 Active CN102028533B (en) | 2011-01-13 | 2011-01-13 | Spinal deformation correcting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102028533B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063865A1 (en) * | 2011-11-01 | 2013-05-10 | Zhang Yonggang | Spinal orthopedic device |
| CN105662564A (en) * | 2016-02-26 | 2016-06-15 | 邓宇 | Fixing sleeve of thoracolumbar vertebral fracture posterior minimally-invasive nail rod fixing external skin restoration system |
| CN105832394A (en) * | 2016-02-26 | 2016-08-10 | 邓宇 | Posterior minimally invasive screw-rod fixation skin-outer resetting system for thoracolumbar vertebral fracture |
| CN110251222A (en) * | 2019-06-04 | 2019-09-20 | 迪恩医疗科技有限公司 | The horizontal even device of pedicle nail nail seat |
| CN110811801A (en) * | 2019-11-29 | 2020-02-21 | 苏州欣荣博尔特医疗器械有限公司 | Pedicle screw-rod system for lifting and restoring vertebral column vertebral body |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6332780B1 (en) * | 1997-11-21 | 2001-12-25 | Synthes (U.S.A.) | Implant simulating device |
| US20080077138A1 (en) * | 2006-09-26 | 2008-03-27 | Cohen Dan S | Percutaneous instrument assembly |
| WO2010047736A1 (en) * | 2008-10-23 | 2010-04-29 | Alphatec Spine, Inc. | Systems for spinal fixation |
| CN201930060U (en) * | 2011-01-13 | 2011-08-17 | 邱勇 | Spinal column deformation correction device |
-
2011
- 2011-01-13 CN CN 201110006562 patent/CN102028533B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6332780B1 (en) * | 1997-11-21 | 2001-12-25 | Synthes (U.S.A.) | Implant simulating device |
| US20080077138A1 (en) * | 2006-09-26 | 2008-03-27 | Cohen Dan S | Percutaneous instrument assembly |
| WO2010047736A1 (en) * | 2008-10-23 | 2010-04-29 | Alphatec Spine, Inc. | Systems for spinal fixation |
| CN201930060U (en) * | 2011-01-13 | 2011-08-17 | 邱勇 | Spinal column deformation correction device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063865A1 (en) * | 2011-11-01 | 2013-05-10 | Zhang Yonggang | Spinal orthopedic device |
| CN105662564A (en) * | 2016-02-26 | 2016-06-15 | 邓宇 | Fixing sleeve of thoracolumbar vertebral fracture posterior minimally-invasive nail rod fixing external skin restoration system |
| CN105832394A (en) * | 2016-02-26 | 2016-08-10 | 邓宇 | Posterior minimally invasive screw-rod fixation skin-outer resetting system for thoracolumbar vertebral fracture |
| CN110251222A (en) * | 2019-06-04 | 2019-09-20 | 迪恩医疗科技有限公司 | The horizontal even device of pedicle nail nail seat |
| CN110251222B (en) * | 2019-06-04 | 2023-12-19 | 迪恩医疗科技有限公司 | Pedicle screw seat transverse connection device |
| CN110811801A (en) * | 2019-11-29 | 2020-02-21 | 苏州欣荣博尔特医疗器械有限公司 | Pedicle screw-rod system for lifting and restoring vertebral column vertebral body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102028533B (en) | 2013-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104010594B (en) | Surgical implants for percutaneous lengthening of spinal pedicles to correct spinal stenosis | |
| CN102028533B (en) | Spinal deformation correcting device | |
| US8992527B2 (en) | Elongation nail for long bone or similar | |
| CN103876809B (en) | Percutaneous expanding hammertoe implant | |
| JP6389002B2 (en) | System and method for intramedullary bone fixation | |
| CN104736082B (en) | Bone implant | |
| CN106859706A (en) | Operation tool and its application method with the application operated for spinal operation | |
| CN102488548B (en) | Internal fixing device and internal fixing method of vertebral columns | |
| CN107427318A (en) | Rib reconstructing device | |
| CN103519874B (en) | External fixing device for minimally invasive spine leverage reduction | |
| CN201930060U (en) | Spinal column deformation correction device | |
| CN201930059U (en) | Vertebral pedicle screw | |
| CN101999924A (en) | Expanding structure of adjustable high-pressure expanding ball | |
| CN111067607A (en) | Heel restorer | |
| CN102068303B (en) | Pedicle screw | |
| CN103892897A (en) | Internal fixation orthosis for growing stage scoliosis | |
| CN100584284C (en) | Dilating expansion intramedullary nail | |
| CN100544680C (en) | A kind of dilating expansion intramedullary nail | |
| CN209392072U (en) | Near end of thighbone transverse direction bone moves external fixing rack | |
| CN106388920A (en) | Bone nail | |
| CN201200467Y (en) | Distracting and expending intramedullary nail | |
| CN102028530A (en) | Minimally invasive bone trabecula metal vertebral stent | |
| CN104138289B (en) | Minimally-invasive transection device for pediculus arcus vertebrae | |
| CN206910388U (en) | For inserting the ejector apparatus of scoliosis nail rod correction bracket | |
| CN204468253U (en) | A kind of introducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI SANYOU MEDICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: QIU YONG Effective date: 20140527 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210008 NANJING, JIANGSU PROVINCE TO: 201807 JIADING, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140527 Address after: 201807 Jiading District Jia Tang Road, Shanghai, No. 1988 Patentee after: Shanghai Sanyou Medical Devices Co., Ltd. Address before: 210008 Gulou District, Jiangsu, Zhongshan Road, No. 321, No. Patentee before: Qiu Yong |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201807 Jiading District Jia Tang Road, Shanghai, No. 1988 Patentee after: Shanghai Sanyou medical equipment Limited by Share Ltd Address before: 201807 Jiading District Jia Tang Road, Shanghai, No. 1988 Patentee before: Shanghai Sanyou Medical Devices Co., Ltd. |