CN103750935A - Adjustable shank supporting traction reduction frame - Google Patents
Adjustable shank supporting traction reduction frame Download PDFInfo
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- CN103750935A CN103750935A CN201410054893.8A CN201410054893A CN103750935A CN 103750935 A CN103750935 A CN 103750935A CN 201410054893 A CN201410054893 A CN 201410054893A CN 103750935 A CN103750935 A CN 103750935A
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Abstract
The invention discloses an adjustable shank supporting traction reduction frame which comprises a guide block connected with a bed body and a vertical supporting rod, wherein a fixed arm is arranged on the supporting rod and connected with one end of a connection arm, the other end of the connection arm is connected with one end a suspension arm, the other end of the suspension arm is connected with a shank supporting frame, the connection arm rotates relative to the fixed arm and the suspension arm, and the shank supporting frame is connected with the suspension arm through a universal ball. A guide plate connection groove, a supporting rod threaded hole, a guide block threaded hole, a supporting rod connection hole and a guide rail groove are formed in the guide block, the supporting rod is connected with the supporting rod connection hole, a guide plate and a guide rail are arranged on the bed body, the guide plate is matched with the guide connection groove, and the guide rail is matched with the guide rail groove. The adjustable shank supporting traction reduction frame can assist the fractured shank to achieve intraoperative closed reduction, the shank can be placed, regulated and fixed easily, comfortableness of shank supporting is good, operations for fixing the inner side or the outer side of the shank can be facilitated, fluoroscopy is not influenced, and operation results can be confirmed by obtaining intraoperative standard fluoroscopic images.
Description
Technical field
The present invention relates to medical apparatus and instruments technical field, particularly a kind of adjustable shank supports reduction by traction frame.
Background technology
Fractures theory is with Micro-operation at present, and restore funcitons is main.Fracture of lower leg accounts for over half in extremity fracture, and often merges soft tissue injury in various degree, take closed reduction operative treatment as ideal treatment in prior art, by fluoroscopy during operation, determines reset effect, evaluates operative effect.The little leg support of clinical practice in prior art, material mostly is metal and makes, and the defect of existence is, impact perspective, function all take support function as main, adjustability is poor, and without reduction by continuous traction function, over-borrowing helps artificial traction, during perspective, is exposed under lonizing radiation.Because needing in art conversion, some operation stretches the state of going down on one's knees, could complete operation, but prior art is simple in structure, can not meet this requirement to postural change; Owing to adopting metal material making, can not when perspective, use, but closed reduction operation needs, by the definite operation of effective fluoroscopy during operation and reset effect, to perspective, to have brought inconvenience; Due to when operation, particularly closure procedure, must complete closed reduction and just can carry out in addition, the structure of prior art can not be carried out the fixing and location of shank effectively, has affected reset, thereby has affected surgical effect.
Summary of the invention
Object of the present invention is exactly the problems referred to above that exist for solving prior art, provides a kind of adjustable shank to support reduction by traction frame; The present invention can assist fracture of lower leg closed reduction in art, adjustment that can be by multi-faceted, multi-angle, shank is placed and fixed, make shank keep comfortable posture, thigh support comfortableness good, facilitate shank inner side or the operation of outside fixing operation simultaneously, do not affect perspective, also can confirm surgical effect by obtaining art Plays fluoroscopic image.
The technical scheme of technical solution problem of the present invention is:
A kind of adjustable shank supports reduction by traction frame, comprise the guide pad being connected with lathe bed, the vertical support bar being connected with guide pad, support bar is provided with fixed arm, and described fixed arm is connected with linking arm one end, and the linking arm other end is connected with cantilever one end, the cantilever other end is connected with thigh support frame, described fixed arm moves up and down along support bar, and described linking arm relatively rotates with fixed arm and cantilever respectively, and described thigh support frame adopts multi-directional ball to be connected with cantilever; Described guide pad is provided with guide plate link slot, support bar screwed hole, guide pad screwed hole, support bar connecting hole, guide-track groove, described support bar is connected with support bar connecting hole, described lathe bed is provided with guide plate and guide rail, guide plate coordinates with guiding link slot, guide rail coordinates with guide-track groove, and described guide pad moves along guide plate, bed ways.
Described support bar screwed hole connects with support bar connecting hole is vertical, and described guide pad screwed hole connects with guide plate link slot is vertical, and described support bar screwed hole is connected with support bar set lever; Described guide pad screwed hole is connected with guide pad set lever.
The inner surface of described support bar connecting hole is comprised of arch section and connecting hole planar section, described support bar adopts cylinder, at cylinder outer surface, be processed with support bar plane, support bar plane is provided with spaced groove and projection vertically, described fixed arm connecting hole is processed with connecting hole plane, connecting hole plane coordinates with support bar plane, described support bar connecting hole coordinates with support bar, wherein connecting hole planar section and support bar plane contact, described support bar screwed hole connects with support bar connecting hole is vertical, described guide pad screwed hole connects with guide plate link slot is vertical, described support bar screwed hole is connected with support bar set lever, described guide pad screwed hole is connected with guide pad set lever, support bar plane is provided with spaced groove and projection vertically, and described fixed arm connecting hole is processed with connecting hole plane, and connecting hole plane coordinates with support bar plane, and two ends of determining arm connecting hole are plane, in the opening part chamfering of this plane.
Described linking arm comprises middle connecting plate, upper junction plate, lower connecting plate, the centre that the centre of described upper junction plate is provided with connecting hole, lower connecting plate is provided with lower connecting hole, and a side surface of the upper junction plate of described linking arm, lower connecting plate is provided with connecting plate groove and projection separately; Or be provided with v-depression on a side surface of upper junction plate, lower connecting plate.
Fixed axis in the middle of described fixed arm comprises, the two ends of described fixed axis are respectively equipped with the first spheroid, the second spheroid, in the middle of described the first spheroid, be provided with the first spheroid link slot, on the sphere of the first spheroid, be provided with and vertically disposed the second spheroid link slot of the first spheroid link slot, in the middle of the bottom surface of described the second spheroid link slot, be provided with the first spheroid connecting hole, the first spheroid connecting hole runs through whole spheroid, the lateral vertical of the first spheroid connecting hole and the first spheroid link slot;
Described the second spheroid is provided with fixed arm connecting hole, described fixed arm is connected with support bar by fixed arm connecting hole, described the second spheroid is provided with the fixed arm locking screw pit connecting with fixed arm connecting hole, and the axis of described fixed arm locking screw pit is vertical with fixed arm connecting hole axis; The place, outer face of described fixed arm locking screw pit is plane, and described fixed arm locking screw pit is provided with lock-screw, and lock-screw is connected with fixed arm set lever;
Described the first spheroid link slot coordinates with upper junction plate, and the second spheroid link slot place is provided with the second nut, and the first spheroid link slot is connected by upper connecting hole, the first groove connecting hole, the second nut and the second bolt with upper junction plate;
Described the first spheroid connecting hole runs through whole spheroid, the other end of the first spheroid connecting hole is opened in fixed arm plane, the first spheroid connecting hole axis is vertical with fixed arm plane, in the first spheroid connecting hole, be provided with the connecting axle of linking arm, one end of the connecting axle of linking arm and linking arm set lever, the other end are provided with external screw thread, fixed arm and linking arm by connecting axle and the nut of linking arm fix, and by linking arm set lever fastening; Guarantee fixed arm with linking arm in relative fixed position.
Described cantilever comprises cantilever bulb, cantilever connecting plate, cantilever connecting plate bottom is cantilever plane, described cantilever bulb, cantilever connecting plate connect by cantilever connecting axle, in the middle of cantilever bulb, be provided with the first cantilever groove, sphere in cantilever bulb one side is provided with the second cantilever groove vertical with the first cantilever bulb groove, in the middle of the second cantilever groove, be provided with the cantilever connecting hole that connects sphere, cantilever connecting hole connects cantilever bulb, and the other end of cantilever connecting hole is bulb plane;
In described cantilever connecting hole, be provided with cantilever connecting axle, described cantilever is connected by cantilever connecting axle with linking arm, the lower connecting plate of linking arm coordinates with the first cantilever bulb groove, cantilever connecting axle one end is connected with cantilever set lever, the other end is provided with external screw thread, and external screw thread is connected with cantilever locking nut;
A side of described the first cantilever bulb groove is provided with spaced cantilever groove and projection, and described cantilever groove coordinates with projection with connecting plate groove with projection; One of them side of described the first spheroid link slot is provided with spaced cantilever groove, and described cantilever groove coordinates with projection with the connecting plate groove at the upper junction plate place of linking arm;
Between described cantilever groove and projection and connecting plate groove and projection, be provided with silicagel pad, between cantilever groove and connecting plate groove and projection, be provided with silicagel pad.
Described thigh support frame comprises the locking ball-joint being connected, thigh support body, described thigh support body comprises back-up block and bulb, described locking ball-joint comprises spheroid holder, upper spherical cap, holder spheroid, skewed slot body, taper hands handle, described spheroid holder comprises external cylindrical surface, interior cylindrical hole, described interior cylindrical hole coordinates with bulb, described external cylindrical surface is provided with plane, in described plane, near holder front end face place, be provided with spheroid holder screwed hole, spheroid holder screwed hole is connected with taper handle, the holder front end face of described spheroid holder is connected with the cantilever plane of cantilever connecting plate, the holder rear end face of described spheroid holder is connected with the upper spherical cap joint face of upper spherical cap,
The application of force handle that described taper handle comprises handle set, be connected with handle set, handle external screw thread axle, with the cone that handle external screw thread axle leading section is connected, described handle external screw thread axle is connected with the large disc of cone;
Certainly cone also can adopt the chock structure being connected with handle external screw thread axle leading section, wherein on chock length direction, thin along the chock front end in the direction of handle external screw thread axis, rear end is thick, chock lengthwise dimension is less than handle external screw thread axle leading section Major Diam size, and chock rear end is connected with handle external screw thread leading section.
Described upper spherical cap comprises cylindrical ball lid, in cylindrical ball lid, be provided with spherical inner hole, cylindrical ball lid end face is provided with axial connecting hole, and the external cylindrical surface of cylindrical ball lid is provided with plane, and described upper spherical cap is connected with spheroid holder by axial connecting hole, bolt and spheroid holder screwed hole;
Described holder spheroid comprises holder spheroid cylinder, on cylindrical one of them end face, be provided with spherical pore, on another end face, be provided with holder spheroid cone tank radially, described spherical pore coordinates with bulb, described cylindrical periphery coordinates with the interior cylindrical hole of spheroid holder, and described holder spheroid cone tank coordinates with the cone of taper handle;
Described skewed slot body comprises skewed slot body cylinder, cylindrical one of them end face is provided with skewed slot body cone tank, the cylindrical external cylindrical surface of skewed slot body coordinates with the interior cylindrical hole of spheroid holder, described holder spheroid cone tank coordinates with the skewed slot body taper of skewed slot body and the cone of taper handle, the cantilever plane contact of cylindrical another end face and cantilever connecting plate;
The upper surface of described back-up block is provided with the arc-shaped concave matching with shape of leg, and described arc-shaped concave is provided with bandage, and the centre of described bandage is provided with connecting hole, in the middle of arc-shaped concave, is provided with screwed hole, and bandage is connected with arc-shaped concave by bolt, screwed hole.The material of described thigh support body adopts resistance to scorching matter carbon fiber, because the electrical insulation capability of resistance to scorching matter carbon fiber is good, as electrical insulators, does not affect perspective result.
Beneficial effect of the present invention:
1. the present invention can assist fracture of lower leg closed reduction in art, adjustment that can be by multi-faceted, multi-angle, shank is placed and fixed, make shank keep comfortable posture, thigh support comfortableness good, facilitate shank inner side or the operation of outside fixing operation simultaneously; There is reduction by continuous traction function, be conducive to patient's operation and Fluoroscopy location, guarantee surgical effect, accelerate patient body rehabilitation.
2. the material of thigh support body adopts resistance to scorching matter carbon fiber, because the electrical insulation capability of resistance to scorching matter carbon fiber is good, as electrical insulators, do not affect the carrying out of operation, in injury, have an X-rayed and do not affect testing result during carrying out flaw detection, can confirm surgical effect by obtaining art Plays fluoroscopic image.
3. support bar is reliably fastening by support bar and guide pad by support bar set lever, prevents support bar and guide pad relative sliding, by guide pad set lever, makes the hole of guide pad and guide plate reliably fixing, prevents that guide pad and guide plate from producing relative sliding; Two ends of fixed arm connecting hole are plane, in the opening part chamfering of this plane, are convenient to dismounting and fixed arm are arranged on the height of diverse location of support bar, to adapt to the operation of different patients and diverse location.
4. by rotating fixed arm set lever, lock-screw end and support bar being compressed, can realize easily fixed arm and support bar unclamp or fastening.
5. the first spheroid connecting hole axis is vertical with fixed arm plane, in the first spheroid connecting hole, be provided with the connecting axle of linking arm, one end of the connecting axle of linking arm and linking arm set lever, the other end are provided with external screw thread, connecting axle by linking arm of fixed arm and linking arm and nut is fixed and fastening and unclamp by linking arm set lever, be easy to adjust, guarantee fixed arm with linking arm in relative fixed position.
6. by cantilever connecting axle and cantilever locking nut, cantilever and linking arm are locked, be easy to adjust, guarantee cantilever with linking arm in relative fixed position.
7. the side of the first cantilever bulb groove is provided with cantilever groove and projection, and cantilever groove coordinates with projection with connecting plate groove with projection; The side of the first spheroid link slot is provided with spaced cantilever groove, by cantilever groove, coordinates with projection with the connecting plate groove at the upper junction plate place of linking arm, and cantilever and linking arm are fastening more reliable.
8. between cantilever groove and projection and connecting plate groove and projection, between cantilever groove and connecting plate groove and projection, be provided with silicagel pad, because silicagel pad has elasticity, when being squeezed power, distortion is reliably locked cantilever and linking arm, and fixed arm and linking arm are reliably locked; When unclamping locking nut and unclamp, rely on its silicagel pad self elastic force, can promptly restore to the original state, be convenient to interconnect between structure and relatively rotate, to adjust the position being connected between structure, make whole support arm in best state, make patient comfortable at placement shank, be convenient to operative doctor simultaneously and carry out neatly shank operation, reduce operating time, alleviate patient's misery.9. back-up block upper surface is provided with the arc-shaped concave matching with shape of leg, and arc-shaped concave is provided with bandage, shank can be fixed on easily and support, on piece, to be convenient to doctor and to carry out operation technique and inspection, reduces medical worker's labor intensity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the structural representation of support bar;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the top view of Fig. 4;
Fig. 7 is the structural representation of linking arm;
Fig. 8 is the front view of linking arm;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the structural representation of fixed arm;
Figure 11 is the front view of fixed arm;
Figure 12 is the left view of Figure 11;
Figure 13 is the top view of Figure 11;
Figure 14 is the structural representation of cantilever;
Figure 15 is the front view of cantilever;
Figure 16 is the left view of Figure 15;
Figure 17 is the top view of Figure 15;
Figure 18 is the structural representation of guide pad;
Figure 19 is the front view of guide pad;
Figure 20 is the left view of Figure 19;
Figure 21 is the top view of Figure 19;
Figure 22 is the structural representation of thigh support frame;
Figure 23 is the front view of thigh support frame;
Figure 24 is the top view of Figure 23;
Figure 25 is the A-A cutaway view of Figure 23;
Figure 26 is is the left view of Figure 23;
Figure 27 is the structural representation of spheroid holder;
Figure 28 is the top view of Figure 27;
Figure 29 is the structural representation of taper handle;
Figure 30 is the front view of taper handle;
Figure 31 is the top view of Figure 30;
Figure 32 is skewed slot body structure schematic diagram;
Figure 33 is the A-A cutaway view of Figure 32;
Figure 34 is the structural representation of upper spherical cap;
Figure 35 is the front view of upper spherical cap;
Figure 36 is the A-A cutaway view of Figure 35;
Figure 37 is the front view of holder spheroid;
Figure 38 is the A-A cutaway view of Figure 37;
The specific embodiment
In order to understand better the present invention, below in conjunction with accompanying drawing, explain in detail embodiments of the present invention.
As shown in Figure 1, a kind of adjustable shank supports reduction by traction frame, comprise the guide pad 5 being connected with lathe bed 7, the vertical support bar 1 being connected with guide pad 5, support bar 1 is provided with fixed arm 3, described fixed arm 3 is connected with linking arm 2 one end, linking arm 2 other ends are connected with cantilever 4 one end, cantilever 4 other ends are connected with thigh support frame 6, described fixed arm 3 moves up and down along support bar 1, described linking arm 2 relatively rotates with fixed arm 3 and cantilever 4 respectively, and described thigh support frame 6 adopts multi-directional ball to be connected with cantilever 4.
Described guide pad 5 is provided with guide plate link slot 51, support bar screwed hole 55, guide pad screwed hole 56, support bar connecting hole 52, guide-track groove 57, described support bar 1 is connected with support bar connecting hole 52, described lathe bed 7 is provided with guide plate 71 and guide rail 72, described guide plate 71 coordinates with guiding link slot 51, described guide rail 72 coordinates with guide-track groove 57, and described guide pad 5 moves along guide plate 71, bed ways 71.The inner surface of described support bar connecting hole 52 is comprised of arch section 53 and planar section 54, described support bar 1 adopts cylinder, at cylinder outer surface, be processed with support bar plane 13, described support bar connecting hole 52 coordinates with support bar 1, wherein planar section 54 contacts with support bar plane 13, the perforation vertical with support bar connecting hole 52 of described support bar screwed hole 55, the perforation vertical with guide plate link slot 51 of described guide pad screwed hole 56, described support bar screwed hole 55 is connected with support bar set lever, by support bar set lever, support bar 1 and guide pad 5 is reliably fastening, prevent support bar 1 and guide pad 5 relative slidings, described guide pad screwed hole 56 is connected with guide pad set lever, by guide pad set lever, makes guide pad 5 reliably fixing with the hole of guide plate 71, prevents that guide pad 5 and guide plate from producing relative sliding.
Described linking arm 2 comprises middle connecting plate 22, upper junction plate 21, lower connecting plate 23, the centre that the centre of described upper junction plate 21 is provided with connecting hole 26, lower connecting plate 23 is provided with lower connecting hole 24, and the upper junction plate 21 of described linking arm, a side surface of lower connecting plate 23 are provided with connecting plate groove and projection 25 separately.Can certainly on a side surface of upper junction plate 21, lower connecting plate 23, be provided with v-depression.Described linking arm 2 is thin-slab structure.
Fixed axis 31 in the middle of described fixed arm 3 comprises, the two ends of described fixed axis 31 are respectively equipped with the first spheroid 32, the second spheroid 33, in the middle of described the first spheroid 32, be provided with the first spheroid link slot 34, on the sphere of the first spheroid 32, be provided with and vertically disposed the second spheroid link slot 35 of the first spheroid link slot 34, in the middle of the bottom surface of described the second spheroid link slot 35, be provided with the first spheroid connecting hole 36, the first spheroid connecting hole 36 runs through whole spheroid, and the first spheroid connecting hole 36 is vertical with the side 30 of the first spheroid link slot 34.
Described the second spheroid 33 is provided with fixed arm connecting hole 37, described fixed arm 3 is connected with support bar 1 by fixed arm connecting hole 37, described the second spheroid 33 is provided with the fixed arm locking screw pit 39 connecting with fixed arm connecting hole 37, and the axis of described fixed arm locking screw pit 39 is vertical with fixed arm connecting hole 37 axis.The place, outer face of described fixed arm locking screw pit 39 is plane 38, and described fixed arm locking screw pit 39 is provided with lock-screw, and lock-screw is connected with fixed arm set lever.By rotating fixed arm set lever, lock-screw end and support bar being compressed, realize fixed arm and support bar unclamp or fastening.
Described the first spheroid link slot 34 coordinates with upper junction plate 21, and the second spheroid link slot 35 places are provided with the second nut, and the first spheroid link slot 34 is connected by upper connecting hole 26, the first groove connecting hole 36, the second nut and the second bolt with upper junction plate 21.
Described the first spheroid connecting hole 36 runs through whole spheroid, the other end of the first spheroid connecting hole 36 is opened in fixed arm plane 312, the first spheroid connecting hole 36 axis are vertical with fixed arm plane 312, in the first spheroid connecting hole 36, be provided with the connecting axle of linking arm, one end of the connecting axle of linking arm and linking arm set lever, the other end are provided with external screw thread, fixed arm 3 and linking arm 2 by connecting axle and the nut of linking arm fix, and fastening by linking arm set lever, assurance fixed arm with linking arm in relative fixed position.
Described support bar 1 adopts cylinder, at cylinder outer surface, be processed with support bar plane 13, support bar plane 13 is provided with spaced groove 11 and projection 12 vertically, and described fixed arm connecting hole 37 is processed with connecting hole plane 332, and connecting hole plane coordinates with support bar plane 13.Two ends of fixed arm connecting hole 37 are plane 331, and can, in the opening part chamfering of this plane 331, be convenient to install fixed arm 3.
Described cantilever 4 comprises cantilever bulb 41, cantilever connecting plate 42, cantilever connecting plate 42 bottoms are cantilever planes 49, described cantilever bulb 41, cantilever connecting plate 42 connect by cantilever connecting axle 43, in the middle of cantilever bulb 41, be provided with the first cantilever groove 44, sphere in cantilever bulb 41 1 sides is provided with the second cantilever groove 45 vertical with the first cantilever bulb groove 44, in the middle of the second cantilever groove 45, be provided with the cantilever connecting hole 46 that connects sphere, cantilever connecting hole 46 connects cantilever bulb 41, and the other end of cantilever connecting hole 46 is bulb plane 48.
In described cantilever 4 connecting holes 46, be provided with cantilever connecting axle, described cantilever 4 is connected by cantilever connecting axle with linking arm 2, the lower connecting plate 23 of linking arm 2 coordinates with the first cantilever bulb groove 44, cantilever connecting axle one end is connected with cantilever set lever, the other end is provided with external screw thread, and external screw thread is connected with cantilever locking nut.By cantilever connecting axle and cantilever locking nut, cantilever 4 and linking arm 2 are locked, guarantee cantilever 4 with linking arm 2 in relative fixed position.Cantilever locking nut is arranged in the second cantilever groove 45.
A side of described the first cantilever bulb groove 44 is provided with spaced cantilever groove and projection 47, and described cantilever groove coordinates with projection 25 with connecting plate groove with projection 47.Between described cantilever groove and projection 47 and connecting plate groove and projection 25, be provided with silicagel pad.One of them side 30 of described the first spheroid link slot 34 is provided with spaced cantilever groove 311, and spheroid groove 311 coordinates with projection 25 with connecting plate groove.Between cantilever groove 311 and connecting plate groove and projection 25, be provided with silicagel pad.Because silicagel pad has elasticity, when being squeezed power, distortion is reliably locked cantilever 4 and linking arm 2, fixed arm 3 is reliably locked with linking arm, when unclamping locking nut and unclamp, rely on its silicagel pad self elastic force, can promptly restore to the original state, be convenient to interconnect between structure and relatively rotate, to adjust the position being connected between structure, make whole support arm in best state, make patient comfortable at placement shank, be convenient to operative doctor simultaneously and carry out neatly shank operation, reduce operating time, alleviate patient's misery.
Described thigh support frame 6 comprises locking ball-joint, the thigh support body being connected, and described thigh support body comprises back-up block 66 and bulb 67, and the upper surface of described back-up block 66 is provided with the arc-shaped concave 661 matching with shape of leg.Described arc-shaped concave 661 is provided with bandage 662, and the centre of described bandage 662 is provided with connecting hole 663, is provided with screwed hole in the middle of arc-shaped concave 661, and bandage 662 is connected with arc-shaped concave 661 by bolt, screwed hole.
Described locking ball-joint comprises spheroid holder 61, upper spherical cap 64, holder spheroid 65, skewed slot body 63, taper handle 62, described spheroid holder 61 comprises external cylindrical surface 611, interior cylindrical hole 612, described interior cylindrical hole 612 coordinates with bulb 67, described external cylindrical surface is provided with plane 614, in described plane 614, near holder front end face 615 places, be provided with spheroid holder screwed hole 613, spheroid holder screwed hole 613 is connected with taper handle 62, the holder front end face 615 of described spheroid holder 61 is connected with the cantilever plane 49 of cantilever connecting plate 42, the holder rear end face 616 of described spheroid holder 61 is connected with the upper spherical cap joint face 645 of upper spherical cap 64.The material of described thigh support body adopts the good resistance to scorching matter carbon fiber of electrical insulation capability.
Described taper handle comprise handle set 624, the application of force handle 621 being connected with handle set 624, handle external screw thread axle 622, with the cone 623 that handle external screw thread axle 622 leading sections are connected, described handle external screw thread axle 622 is connected with the large disc of cone 623.
Certainly cone 623 also can adopt the chock structure being connected with handle external screw thread axle 622 leading sections, wherein on chock length direction, thin along the chock front end on 622 axis directions in handle external screw thread, rear end is thick, chock lengthwise dimension is less than handle external screw thread axle 622 leading section Major Diam sizes, and chock rear end is connected with handle external screw thread 622 leading sections.
Described upper spherical cap 64 comprises cylindrical ball lid 644, in cylindrical ball lid 644, be provided with spherical inner hole 641, cylindrical ball lid 644 end faces are provided with axial connecting hole 642, the external cylindrical surface of cylindrical ball lid 644 is provided with plane 643, and described upper spherical cap 64 is connected with spheroid holder 61 by axial connecting hole 642, bolt and spheroid holder screwed hole 613.
Described holder spheroid 65 comprises holder spheroid cylinder 651, on cylindrical one of them end face, be provided with spherical pore 652, on another end face, be provided with holder spheroid cone tank 653 radially, described spherical pore 652 coordinates with bulb 67, the periphery of described cylinder 651 coordinates with the interior cylindrical hole 612 of spheroid holder 61, and described holder spheroid cone tank 653 coordinates with the cone 623 of taper handle.
Described skewed slot body 63 comprises skewed slot body cylinder 631, one of them end face of cylinder 631 is provided with skewed slot body cone tank 632, the external cylindrical surface of skewed slot body cylinder 631 coordinates with the interior cylindrical hole 612 of spheroid holder 61, described holder spheroid cone tank 653 coordinates with the skewed slot body taper 632 of skewed slot body 63 and the cone 623 of taper handle, and another end face 633 of cylinder 631 contacts with the cantilever plane 49 of cantilever connecting plate 42.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of invention is described; but be not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (10)
1. an adjustable shank supports reduction by traction frame, comprise lathe bed, it is characterized in that, also comprise the guide pad being connected with lathe bed, guide pad is connected with vertical support bar, support bar is provided with fixed arm, described fixed arm is connected with linking arm one end, the linking arm other end is connected with cantilever one end, the cantilever other end is connected with thigh support frame, described fixed arm moves up and down along support bar, and described linking arm relatively rotates with fixed arm and cantilever respectively, and described thigh support frame adopts multi-directional ball to be connected with cantilever; Described guide pad is provided with guide plate link slot, support bar screwed hole, guide pad screwed hole, support bar connecting hole, guide-track groove, described support bar is connected with support bar connecting hole, described lathe bed is provided with guide plate and guide rail, guide plate coordinates with guiding link slot, guide rail coordinates with guide-track groove, and described guide pad moves along guide plate, bed ways.
2. adjustable shank as claimed in claim 1 supports reduction by traction frame, it is characterized in that, described support bar screwed hole connects with support bar connecting hole is vertical, and described guide pad screwed hole connects with guide plate link slot is vertical, and described support bar screwed hole is connected with support bar set lever; Described guide pad screwed hole is connected with guide pad set lever.
3. adjustable shank as claimed in claim 2 supports reduction by traction frame, it is characterized in that, the inner surface of described support bar connecting hole is comprised of arch section and connecting hole planar section, described support bar adopts cylinder, at cylinder outer surface, be processed with support bar plane, support bar plane is provided with spaced groove and projection vertically, and described fixed arm connecting hole is processed with connecting hole plane, and connecting hole plane coordinates with support bar plane.
4. adjustable shank as claimed in claim 1 supports reduction by traction frame, it is characterized in that, described linking arm comprises middle connecting plate, upper junction plate, lower connecting plate, the centre that the centre of described upper junction plate is provided with connecting hole, lower connecting plate is provided with lower connecting hole, and a side surface of the upper junction plate of described linking arm, lower connecting plate is provided with connecting plate groove and projection separately; Or be provided with v-depression on a side surface of upper junction plate, lower connecting plate.
5. adjustable shank as claimed in claim 1 supports reduction by traction frame, it is characterized in that, fixed axis in the middle of described fixed arm comprises, the two ends of described fixed axis are respectively equipped with the first spheroid, the second spheroid, in the middle of described the first spheroid, be provided with the first spheroid link slot, on the sphere of the first spheroid, be provided with and vertically disposed the second spheroid link slot of the first spheroid link slot, in the middle of the bottom surface of described the second spheroid link slot, be provided with the first spheroid connecting hole, the first spheroid connecting hole runs through whole spheroid, the lateral vertical of the first spheroid connecting hole and the first spheroid link slot;
Described the second spheroid is provided with fixed arm connecting hole, and fixed arm is connected with support bar by fixed arm connecting hole, and the second spheroid is provided with the fixed arm locking screw pit connecting with fixed arm connecting hole, and the axis of fixed arm locking screw pit is vertical with fixed arm connecting hole axis; The place, outer face of described fixed arm locking screw pit is plane, and fixed arm locking screw pit is provided with lock-screw, and lock-screw is connected with fixed arm set lever;
Described the first spheroid link slot coordinates with upper junction plate, and the second spheroid link slot place is provided with the second nut, and the first spheroid link slot is connected by upper connecting hole, the first groove connecting hole, the second nut and the second bolt with upper junction plate;
Described the first spheroid connecting hole runs through whole spheroid, the other end of the first spheroid connecting hole is opened in fixed arm plane, the first spheroid connecting hole axis is vertical with fixed arm plane, in the first spheroid connecting hole, be provided with the connecting axle of linking arm, one end of the connecting axle of linking arm and linking arm set lever, the other end are provided with external screw thread, fixed arm and linking arm by connecting axle and the nut of linking arm fix, and by linking arm set lever fastening.
6. adjustable shank as claimed in claim 1 supports reduction by traction frame, it is characterized in that, described cantilever comprises cantilever bulb, cantilever connecting plate, cantilever connecting plate bottom is cantilever plane, described cantilever bulb, cantilever connecting plate connect by cantilever connecting axle, in the middle of cantilever bulb, be provided with the first cantilever groove, sphere in cantilever bulb one side is provided with the second cantilever groove vertical with the first cantilever bulb groove, in the middle of the second cantilever groove, be provided with the cantilever connecting hole that connects sphere, cantilever connecting hole connects cantilever bulb, and the other end of cantilever connecting hole is bulb plane;
In described cantilever connecting hole, be provided with cantilever connecting axle, described cantilever is connected by cantilever connecting axle with linking arm, the lower connecting plate of linking arm coordinates with the first cantilever bulb groove, cantilever connecting axle one end is connected with cantilever set lever, the other end is provided with external screw thread, and external screw thread is connected with cantilever locking nut.
7. adjustable shank as claimed in claim 1 supports reduction by traction frame, it is characterized in that, a side of described the first cantilever bulb groove is provided with spaced cantilever groove and projection, and described cantilever groove coordinates with projection with connecting plate groove with projection; One of them side of described the first spheroid link slot is provided with spaced cantilever groove, and described cantilever groove coordinates with projection with the connecting plate groove at the upper junction plate place of linking arm.
8. adjustable shank as claimed in claim 7 supports reduction by traction frame, it is characterized in that, between described cantilever groove and projection and connecting plate groove and projection, is provided with silicagel pad, between cantilever groove and connecting plate groove and projection, is provided with silicagel pad.
9. adjustable shank as claimed in claim 1 supports reduction by traction frame, it is characterized in that, described thigh support frame comprises the locking ball-joint being connected, thigh support body, described thigh support body comprises back-up block and bulb, described locking ball-joint comprises spheroid holder, upper spherical cap, holder spheroid, skewed slot body, taper hands handle, described spheroid holder comprises external cylindrical surface, interior cylindrical hole, described interior cylindrical hole coordinates with bulb, described external cylindrical surface is provided with plane, in described plane, near holder front end face place, be provided with spheroid holder screwed hole, spheroid holder screwed hole is connected with taper handle, the holder front end face of described spheroid holder is connected with the cantilever plane of cantilever connecting plate, the holder rear end face of described spheroid holder is connected with the upper spherical cap joint face of upper spherical cap,
The application of force handle that described taper handle comprises handle set, be connected with handle set, handle external screw thread axle, with the cone that handle external screw thread axle leading section is connected, described handle external screw thread axle is connected with the large disc of cone; Or the chock structure that employing is connected with handle external screw thread axle leading section, wherein the front end on chock length direction is thin, rear end is thick, and chock lengthwise dimension is less than handle external screw thread axle leading section Major Diam size;
Described upper spherical cap comprises cylindrical ball lid, in cylindrical ball lid, be provided with spherical inner hole, cylindrical ball lid end face is provided with axial connecting hole, and the external cylindrical surface of cylindrical ball lid is provided with plane, and described upper spherical cap is connected with spheroid holder by axial connecting hole, bolt and spheroid holder screwed hole;
Described holder spheroid comprises holder spheroid cylinder, on cylindrical one of them end face, be provided with spherical pore, on another end face, be provided with holder spheroid cone tank radially, described spherical pore coordinates with bulb, described cylindrical periphery coordinates with the interior cylindrical hole of spheroid holder, and described holder spheroid cone tank coordinates with the cone of taper handle;
Described skewed slot body comprises skewed slot body cylinder, cylindrical one of them end face is provided with skewed slot body cone tank, the cylindrical external cylindrical surface of skewed slot body coordinates with the interior cylindrical hole of spheroid holder, described holder spheroid cone tank coordinates with the skewed slot body taper of skewed slot body and the cone of taper handle, the cantilever plane contact of cylindrical another end face and cantilever connecting plate.
10. adjustable shank as claimed in claim 1 supports reduction by traction frame, it is characterized in that, the upper surface of described back-up block is provided with the arc-shaped concave matching with shape of leg, described arc-shaped concave is provided with bandage, the centre of described bandage is provided with connecting hole, in the middle of arc-shaped concave, be provided with screwed hole, bandage is connected with arc-shaped concave by bolt, screwed hole, and the material of described thigh support body adopts resistance to scorching matter carbon fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054893.8A CN103750935B (en) | 2014-02-18 | 2014-02-18 | Adjustable shank supports reduction by traction frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054893.8A CN103750935B (en) | 2014-02-18 | 2014-02-18 | Adjustable shank supports reduction by traction frame |
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| Publication Number | Publication Date |
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| CN103750935A true CN103750935A (en) | 2014-04-30 |
| CN103750935B CN103750935B (en) | 2015-12-09 |
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| CN201410054893.8A Expired - Fee Related CN103750935B (en) | 2014-02-18 | 2014-02-18 | Adjustable shank supports reduction by traction frame |
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| CN (1) | CN103750935B (en) |
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| CN108420517A (en) * | 2018-04-23 | 2018-08-21 | 吉林大学 | A kind of adjustable leg support hitch frame |
| CN108904021A (en) * | 2018-07-23 | 2018-11-30 | 玉林市好邦医疗设备有限责任公司 | A kind of carbon fiber bone traction frame |
| CN109998848A (en) * | 2019-04-30 | 2019-07-12 | 王文君 | A kind of high-freedom degree auxiliary Mobile support device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103750935B (en) | 2015-12-09 |
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