CN103750935B - Adjustable shank supports reduction by traction frame - Google Patents
Adjustable shank supports reduction by traction frame Download PDFInfo
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- CN103750935B CN103750935B CN201410054893.8A CN201410054893A CN103750935B CN 103750935 B CN103750935 B CN 103750935B CN 201410054893 A CN201410054893 A CN 201410054893A CN 103750935 B CN103750935 B CN 103750935B
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- cantilever
- spheroid
- connecting hole
- support bar
- holder
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Abstract
The invention discloses a kind of adjustable shank and support reduction by traction frame, comprise the guide pad be connected with lathe bed, vertical support bar, support bar is provided with fixed arm, fixed arm is connected with linking arm one end, and the linking arm other end is connected with cantilever one end, and the cantilever other end is connected with thigh support frame, linking arm relatively rotates with fixed arm and cantilever respectively, and thigh support frame and cantilever adopt multi-directional ball to be connected; Guide pad is provided with guide plate link slot, support bar screwed hole, guide pad screwed hole, support bar connecting hole, guide-track groove, and support bar is connected with support bar connecting hole, and lathe bed is provided with guide plate and guide rail, and guide plate coordinates with guiding link slot, and guide rail coordinates with guide-track groove.The present invention can assist fracture of lower leg closed reduction in art, leg is easy to place, adjust and fix, thigh support comfortableness is good, facilitates inside leg or the operation of outside fixing operation, does not affect perspective and can confirm surgical effect by obtaining art Plays fluoroscopic image.
Description
Technical field
The present invention relates to medical apparatus and instruments technical field, particularly the adjustable shank of one supports reduction by traction frame.
Background technology
Current fractures theory is with Micro-operation, 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, in prior art with closed reduction operative treatment for ideal treatment, determine reset effect by fluoroscopy during operation, evaluate 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 based on support function, adjustability is poor, and without reduction by continuous traction function, over-borrowing helps artificial traction, under being exposed to lonizing radiation during perspective.Because some operation needs conversion in art to stretch the state of going down on one's knees, ability complete operation, but the structure of prior art is simple, can not meet this requirement to postural change; Owing to adopting metal material to make, can not use when having an X-rayed, but closed reduction operation need determine operation and reset effect by effective fluoroscopy during operation, brings inconvenience to perspective; In addition due to operation time, particularly closure procedure, must complete closed reduction and just can carry out, the structure of prior art can not carry out the fixing of leg and location effectively, have impact on reset, thus have impact on surgical effect.
Summary of the invention
Object of the present invention is exactly the problems referred to above existed 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, can by the adjustment of multi-faceted, multi-angle, leg be carried out placing and fixing, the posture making leg keep comfortable, thigh support comfortableness are good, facilitate the fixing operation operation of inside leg or outside simultaneously, do not affect perspective and surgical effect can be confirmed 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 be connected with lathe bed, the vertical support bar be 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 and cantilever adopt multi-directional ball to be connected; 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 is vertical with support bar connecting hole through, and described guide pad screwed hole is vertical with guide plate link slot through, 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 made up of arch section and connecting hole planar section, described support bar adopts cylinder, support bar plane is processed with at cylindrical outer surface, 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 is vertical with support bar connecting hole through, described guide pad screwed hole is vertical with guide plate link slot through, 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 arms 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 of described upper junction plate is provided with connecting hole, the centre of lower connecting plate is provided with lower connecting hole, and the upper junction plate of described linking arm, a side surface of lower connecting plate are provided with connecting plate groove separately with protruding; Or be provided with v-depression on the surface in the side of upper junction plate, lower connecting plate.
Described fixed arm comprises middle fixed axis, the two ends of described fixed axis are respectively equipped with the first spheroid, the second spheroid, the first spheroid link slot is provided with in the middle of described first spheroid, the sphere of the first spheroid is provided with the vertically disposed second spheroid link slot with the first spheroid link slot, the first spheroid connecting hole is provided with in the middle of the bottom surface of described second spheroid link slot, first spheroid connecting hole runs through whole spheroid, the lateral vertical of the first spheroid connecting hole and the first spheroid link slot;
Described second spheroid is provided with fixed arm connecting hole, described fixed arm is connected with support bar by fixed arm connecting hole, described second spheroid is provided with the fixed arm locking screw pit through with fixed arm connecting hole, the axis of described fixed arm locking screw pit and fixed arm connecting hole axes normal; The outer face place 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 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 spheroid connecting hole, the second nut and the second bolt with upper junction plate; Or: described first spheroid connecting hole runs through whole spheroid, the other end of the first spheroid connecting hole is opened in fixed arm plane, first spheroid connecting hole axis and fixed arm plane orthogonal, the connecting axle of linking arm is provided with in the first spheroid connecting hole, one end of the connecting axle of linking arm is connected with linking arm set lever, the other end is provided with external screw thread, and fixed arm and linking arm are fixed by the connecting axle of linking arm and nut and fastening by linking arm set lever; Ensure that fixed arm and linking arm are in fixed position relative.
Described cantilever comprises cantilever bulb, cantilever connecting plate, it is cantilever plane bottom cantilever connecting plate, described cantilever bulb, cantilever connecting plate are connected by cantilever connecting axle, the first cantilever groove is provided with in the middle of cantilever bulb, the second cantilever groove vertical with the first cantilever groove is provided with at the sphere of cantilever bulb side, in the middle of the second cantilever groove, be provided with the cantilever connecting hole of through sphere, the through cantilever bulb of cantilever connecting hole, the other end of cantilever connecting hole is bulb plane;
Cantilever connecting axle two is provided with in described cantilever connecting hole, described cantilever is connected by cantilever connecting axle two with linking arm, the lower connecting plate of linking arm and the first cantilever slot fit, cantilever connecting axle two 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 first cantilever groove is provided with spaced cantilever groove with protruding, described cantilever groove and protruding and connecting plate groove and male cooperation; One of them side of described first spheroid link slot is provided with spaced cantilever groove, the connecting plate groove at the upper junction plate place of described cantilever groove and linking arm and male cooperation;
Described cantilever groove and protruding and be provided with silicagel pad between connecting plate groove and projection, cantilever groove and be provided with silicagel pad between connecting plate groove and projection.
Described thigh support frame comprises the locking ball-joint be connected, leg holder, described leg holder comprises back-up block and bulb, described locking ball-joint comprises spheroid holder, upper spherical cap, holder spheroid, skewed slot body, tapered 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, described plane is provided with spheroid holder screwed hole near holder front end face place, spheroid holder screwed hole is connected with tapered 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,
Described tapered handle comprises handle set, the force handle be connected with handle set, handle external screw thread axle, the cone that is connected with handle external screw thread axle leading section, and described handle external screw thread axle is connected with the large disc of cone;
Certain cone also can adopt the cleat structure be connected with handle external screw thread axle leading section, wherein on chock length direction, namely thin along the chock front end on direction, 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, spherical inner hole is provided with in cylindrical ball lid, 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, one of them end face cylindrical is provided with spherical pore, another end face is 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 tapered handle;
Described skewed slot body comprises skewed slot body cylinder, one of them end face cylindrical 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 tapered handle, the cantilever plane contact of another end face cylindrical and cantilever connecting plate;
The upper surface of described back-up block is provided with the arc-shaped concave matched with shape of leg, and described arc-shaped concave is provided with bandage, and the centre of described bandage is provided with connecting hole, is provided with screwed hole in the middle of arc-shaped concave, and bandage is connected with arc-shaped concave by bolt, screwed hole.The material of described leg holder adopts resistance to scorching matter carbon fiber, because the electrical insulation capability of resistance to scorching matter carbon fiber is excellent, as electrical insulators, does not affect pivoting results.
Beneficial effect of the present invention:
1. the present invention can assist fracture of lower leg closed reduction in art, can by the adjustment of multi-faceted, multi-angle, leg be carried out placing and fixing, the posture making leg keep comfortable, thigh support comfortableness are good, facilitate the fixing operation operation of inside leg or outside simultaneously; There is reduction by continuous traction function, be conducive to patient's operation and Fluoroscopy location, ensure surgical effect, accelerate patient body rehabilitation.
2. the material of leg holder adopts resistance to scorching matter carbon fiber, because the electrical insulation capability of resistance to scorching matter carbon fiber is excellent, as electrical insulators, do not affect the carrying out of operation, carry out in injury having an X-rayed and carrying out flaw detection time do not affect testing result, surgical effect can be confirmed by obtaining art Plays fluoroscopic image.
3. support bar by support bar set lever by support bar and guide pad reliably fastening, prevent support bar and guide pad relative sliding, by guide pad set lever, the hole of guide pad and guide plate reliably fixed, prevent 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 are arranged on by fixed arm on the height of diverse location of support bar, to adapt to the operation of different patient 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 and fixed arm plane orthogonal, the connecting axle of linking arm is provided with in first spheroid connecting hole, one end and linking arm set lever, the other end of the connecting axle of linking arm are provided with external screw thread, fixed arm and linking arm are fixed by the connecting axle of linking arm and nut and fastening and unclamp by linking arm set lever, are easy to adjustment, ensure that fixed arm and linking arm are in fixed position relative.
6. by cantilever connecting axle and cantilever locking nut, cantilever and linking arm are locked, are easy to adjustment, ensure that cantilever and linking arm are in fixed position relative.
7. the side of the first cantilever groove is provided with cantilever groove with protruding, cantilever groove and protruding and connecting plate groove and male cooperation; The side of the first spheroid link slot is provided with spaced cantilever groove, by connecting plate groove and the male cooperation at the upper junction plate place of cantilever groove and linking arm, cantilever and linking arm fastening more reliable.
8. cantilever groove and protruding and between connecting plate groove and projection, cantilever groove and be provided with silicagel pad between connecting plate groove and projection, because silicagel pad has elasticity, when be squeezed power time distortion cantilever and linking arm are reliably locked, fixed arm and linking arm are reliably locked; When unclamping locking nut and unclamping, rely on its silicagel pad its own resilient, promptly can restore to the original state, be convenient to be interconnected between structure and relatively rotate, to adjust the position be connected between structure, make whole support arm be in best state, make patient comfortable at placement leg, be convenient to operative doctor simultaneously and carry out leg surgery neatly, reduce operating time, alleviate patient's misery.
9. back-up block upper surface is provided with the arc-shaped concave matched with shape of leg, and arc-shaped concave is provided with bandage, shank can be fixed on backup block easily, is convenient to doctor and carries out operation technique and inspection, reduces the labor intensity of medical worker.
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 sectional view of Figure 23;
The left view that Figure 26 is 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 tapered handle;
Figure 30 is the front view of tapered 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 sectional 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 sectional view of Figure 35;
Figure 37 is the front view of holder spheroid;
Figure 38 is the A-A sectional view of Figure 37;
Detailed description of the invention
In order to understand the present invention better, explain embodiments of the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of adjustable shank supports reduction by traction frame, comprise the guide pad 5 be connected with lathe bed 7, the vertical support bar 1 be 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 end is connected with cantilever 4 one end, cantilever 4 other end is 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 made up of arch section 53 and planar section 54, described support bar 1 adopts cylinder, support bar plane 13 is processed with at cylindrical outer surface, described support bar connecting hole 52 coordinates with support bar 1, its plane portion 54 contacts with support bar plane 13, described support bar screwed hole 55 is vertical with support bar connecting hole 52 through, described guide pad screwed hole 56 is vertical with guide plate link slot 51 through, described support bar screwed hole 55 is connected with support bar set lever, by support bar set lever by reliably fastening to support bar 1 and guide pad 5, prevent support bar 1 and guide pad 5 relative sliding, described guide pad screwed hole 56 is connected with guide pad set lever, by guide pad set lever, guide pad 5 is reliably fixed with the hole of guide plate 71, prevents 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 of described upper junction plate 21 is provided with connecting hole 26, the centre of 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 protruding 25 separately.V-depression can certainly be provided with on the surface in the side of upper junction plate 21, lower connecting plate 23.Described linking arm 2 is thin-slab structure.
Described fixed arm 3 comprises middle fixed axis 31, the two ends of described fixed axis 31 are respectively equipped with the first spheroid 32, second spheroid 33, the first spheroid link slot 34 is provided with in the middle of described first spheroid 32, the sphere of the first spheroid 32 is provided with the vertically disposed second spheroid link slot 35 with the first spheroid link slot 34, the first spheroid connecting hole 36 is provided with in the middle of the bottom surface of described second spheroid link slot 35, 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 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 second spheroid 33 is provided with the fixed arm locking screw pit 39 through with fixed arm connecting hole 37, the axis of described fixed arm locking screw pit 39 and fixed arm connecting hole 37 axes normal.The outer face place 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 first spheroid link slot 34 coordinates with upper junction plate 21, and the second spheroid link slot 35 place is provided with the second nut, and the first spheroid link slot 34 is connected by upper connecting hole 26, first spheroid connecting hole 36, second nut and the second bolt with upper junction plate 21, or adopt following connected mode: described 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, first spheroid connecting hole 36 axis is vertical with fixed arm plane 312, the connecting axle of linking arm is provided with in the first spheroid connecting hole 36, one end of the connecting axle of linking arm is connected with linking arm set lever, the other end is provided with external screw thread, fixed arm 3 and linking arm 2 are fixed by the connecting axle of linking arm and nut, and it is fastening by linking arm set lever, ensure that fixed arm and linking arm are in fixed position relative.
Described support bar 1 adopts cylinder, support bar plane 13 is processed with at cylindrical outer surface, support bar plane 13 is provided with spaced groove 11 and protruding 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, it is cantilever plane 49 bottom cantilever connecting plate 42, described cantilever bulb 41, cantilever connecting plate 42 are connected by cantilever connecting axle 43, the first cantilever groove 44 is provided with in the middle of cantilever bulb 41, the second cantilever groove 45 vertical with the first cantilever groove 44 is provided with at the sphere of cantilever bulb 41 side, the cantilever connecting hole 46 of through sphere is provided with in the middle of the second cantilever groove 45, the through cantilever bulb 41 of cantilever connecting hole 46, the other end of cantilever connecting hole 46 is bulb plane 48.
Cantilever connecting axle two is provided with in described cantilever 4 connecting hole 46, described cantilever 4 is connected by cantilever connecting axle two with linking arm 2, the lower connecting plate 23 of linking arm 2 coordinates with the first cantilever groove 44, cantilever connecting axle two 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 two and cantilever locking nut, cantilever 4 and linking arm 2 are locked, ensure that cantilever 4 and linking arm 2 are in fixed position relative.Cantilever locking nut is arranged in the second cantilever groove 45.
A side of described first cantilever groove 44 is provided with spaced cantilever groove and protruding 47, and described cantilever groove coordinates with protruding 25 with connecting plate groove with protruding 47.Described cantilever groove and protruding 47 and be provided with silicagel pad between connecting plate groove and protruding 25.One of them side 30 of described first spheroid link slot 34 is provided with spaced cantilever groove 311, and spheroid groove 311 coordinates with protruding 25 with connecting plate groove.Silicagel pad is provided with between cantilever groove 311 and connecting plate groove and protruding 25.Because silicagel pad has elasticity, when be squeezed power time distortion cantilever 4 and linking arm 2 are reliably locked, fixed arm 3 and linking arm are reliably locked, when unclamping locking nut and unclamping, rely on its silicagel pad its own resilient, promptly can restore to the original state, be convenient to be interconnected between structure and relatively rotate, to adjust the position be connected between structure, whole support arm is made to be in best state, make patient comfortable at placement leg, be convenient to operative doctor simultaneously and carry out leg surgery neatly, reduce operating time, alleviate patient's misery.
Described thigh support frame 6 comprises the locking ball-joint, the leg holder that are connected, and described leg holder 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 matched 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, and be provided with screwed hole in the middle of arc-shaped concave 661, 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, tapered 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, described plane 614 is provided with spheroid holder screwed hole 613 near holder front end face 615 place, spheroid holder screwed hole 613 is connected with tapered 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 resistance to scorching matter carbon fiber that the material of described leg holder adopts electrical insulation capability excellent.
Described tapered handle comprises handle set 624, the force handle 621 be connected with handle set 624, handle external screw thread axle 622, the cone 623 that is connected with handle external screw thread axle 622 leading section, and described handle external screw thread axle 622 is connected with the large disc of cone 623.
Certain cone 623 also can adopt the cleat structure be connected with handle external screw thread axle 622 leading section, wherein on chock length direction, namely 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 size, and chock rear end is connected with handle external screw thread 622 leading section.
Described upper spherical cap 64 comprises cylindrical ball lid 644, spherical inner hole 641 is provided with in cylindrical ball lid 644, cylindrical ball lid 644 end face is 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, one of them end face cylindrical is provided with spherical pore 652, another end face is 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 tapered 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 tapered handle, and another end face 633 of cylinder 631 contacts with the cantilever plane 49 of cantilever connecting plate 42.
By reference to the accompanying drawings the detailed description of the invention of invention is described although above-mentioned; but 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 amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (8)
1. an adjustable shank supports reduction by traction frame, comprise lathe bed, also comprise the guide pad be connected with lathe bed, guide pad is connected with vertical support bar, and 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, and the cantilever other end is connected with thigh support frame, and described fixed arm moves up and down along support bar, described linking arm relatively rotates with fixed arm and cantilever respectively, and described thigh support frame and cantilever adopt multi-directional ball to be connected; 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 linking arm comprises middle connecting plate, upper junction plate, lower connecting plate, the centre of described upper junction plate is provided with connecting hole, the centre of lower connecting plate is provided with lower connecting hole, and the upper junction plate of described linking arm, a side surface of lower connecting plate are provided with connecting plate groove separately with protruding; Or be provided with v-depression on the surface in the side of upper junction plate, lower connecting plate, it is characterized in that, described fixed arm comprises middle fixed axis, the two ends of described fixed axis are respectively equipped with the first spheroid, the second spheroid, be provided with the first spheroid link slot in the middle of described first spheroid, the sphere of the first spheroid be provided with vertical with the first spheroid link slot
'ssecond spheroid link slot, be provided with the first spheroid connecting hole in the middle of the bottom surface of described second spheroid link slot, the first spheroid connecting hole runs through whole first
spheroid, the lateral vertical of the first spheroid connecting hole and the first spheroid link slot;
Described 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 through with fixed arm connecting hole, the axis of fixed arm locking screw pit and fixed arm connecting hole axes normal; The outer face place 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 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 spheroid connecting hole, the second nut and the second bolt with upper junction plate; Or:
The other end of the first spheroid connecting hole is fixed arm plane, first spheroid connecting hole axis and fixed arm plane orthogonal, the connecting axle of linking arm is provided with in the first spheroid connecting hole, one end of the connecting axle of linking arm is connected with linking arm set lever, the other end is provided with external screw thread, and fixed arm and linking arm are fixed by the connecting axle of linking arm and nut and fastening by linking arm set lever.
2. adjustable shank as claimed in claim 1 supports reduction by traction frame, it is characterized in that, described support bar screwed hole is vertical with support bar connecting hole through, and described guide pad screwed hole is vertical with guide plate link slot through, 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 made up of arch section and connecting hole planar section, described support bar adopts cylinder, support bar plane is processed with at cylindrical outer surface, 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 cantilever comprises cantilever bulb, cantilever connecting plate, it is cantilever plane bottom cantilever connecting plate, described cantilever bulb, cantilever connecting plate are connected by cantilever connecting axle, the first cantilever groove is provided with in the middle of cantilever bulb, the second cantilever groove vertical with the first cantilever groove is provided with at the sphere of cantilever bulb side, the cantilever connecting hole of through sphere is provided with in the middle of the second cantilever groove, the through cantilever bulb of cantilever connecting hole, the other end of cantilever connecting hole is bulb plane;
Cantilever connecting axle two is provided with in described cantilever connecting hole, described cantilever is connected by cantilever connecting axle two with linking arm, the lower connecting plate of linking arm and the first cantilever slot fit, cantilever connecting axle two 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.
5. adjustable shank as claimed in claim 4 supports reduction by traction frame, it is characterized in that, a side of described first cantilever groove is provided with spaced cantilever groove with protruding, the connecting plate groove at described cantilever groove and projection and lower connecting plate place and male cooperation; One of them side of described first spheroid link slot is provided with spaced cantilever groove two, the connecting plate groove at the upper junction plate place of described cantilever groove two and linking arm and male cooperation.
6. adjustable shank as claimed in claim 5 supports reduction by traction frame, it is characterized in that, be provided with silicagel pad between the connecting plate groove at described cantilever groove and projection and lower connecting plate place and projection, between the connecting plate groove at cantilever groove two and upper junction plate place and projection, be provided with silicagel pad.
7. 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 be connected, leg holder, described leg holder comprises back-up block and bulb, described locking ball-joint comprises spheroid holder, upper spherical cap, holder spheroid, skewed slot body, tapered 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, described plane is provided with spheroid holder screwed hole near holder front end face place, spheroid holder screwed hole is connected with tapered 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,
Described tapered handle comprises handle set, the force handle be connected with handle set, handle external screw thread axle, the cone that is connected with handle external screw thread axle leading section, and described handle external screw thread axle is connected with the large disc of cone; Or handle external screw thread axle leading section connects cleat structure, and the front end wherein 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, spherical inner hole is provided with in cylindrical ball lid, 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, one of them end face cylindrical is provided with spherical pore, another end face is 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 tapered handle;
Described skewed slot body comprises skewed slot body cylinder, one of them end face cylindrical 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 tapered handle, the cantilever plane contact of another end face cylindrical and cantilever connecting plate.
8. adjustable shank as claimed in claim 7 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 matched with shape of leg, described arc-shaped concave is provided with bandage, the centre of described bandage is provided with connecting hole, be provided with screwed hole in the middle of arc-shaped concave, bandage is connected with arc-shaped concave by bolt, screwed hole, and the material of described leg holder 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410054893.8A CN103750935B (en) | 2014-02-18 | 2014-02-18 | Adjustable shank supports reduction by traction frame |
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| CN103750935A CN103750935A (en) | 2014-04-30 |
| CN103750935B true 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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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| US6629944B2 (en) * | 2001-03-06 | 2003-10-07 | Kenneth Thomas Smart | Limb-positioning and traction device |
| US8302228B2 (en) * | 2009-02-24 | 2012-11-06 | Emad Aboujaoude | Lower extremity surgical positioning device |
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|---|---|---|---|---|
| GB112238A (en) * | 1917-06-26 | 1918-01-03 | Marion Katherine Mower | Improvements in Surgical Limb Supporting Devices for use in Dressing & other Operations. |
| US4708510A (en) * | 1986-04-17 | 1987-11-24 | Mcconnell Bernard E | Ball joint coupling |
| US4865484A (en) * | 1987-07-31 | 1989-09-12 | Mcconnell Thomas E | Single release, multiple axis coupling |
| GB2252355A (en) * | 1991-02-01 | 1992-08-05 | Melvyn Wilde | Clamp assemblies |
| CN1795424A (en) * | 2003-05-22 | 2006-06-28 | Thk株式会社 | Power assist control device and method, and reposition device |
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| CN103750935A (en) | 2014-04-30 |
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