CN210673421U - Locking type fixing device for orthopedic external fixing support - Google Patents
Locking type fixing device for orthopedic external fixing support Download PDFInfo
- Publication number
- CN210673421U CN210673421U CN201821809425.7U CN201821809425U CN210673421U CN 210673421 U CN210673421 U CN 210673421U CN 201821809425 U CN201821809425 U CN 201821809425U CN 210673421 U CN210673421 U CN 210673421U
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- locking
- arc
- screw rod
- screw
- box body
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Abstract
A locking type fixing device for an orthopedic external fixing bracket solves the problem that the locking operation of the prior external fixing bracket is complicated and can increase the pain of a patient; the device comprises a supporting rod, wherein a box body is slidably arranged on the supporting rod, a plurality of balls are arranged in the box body, the balls are uniformly distributed on the outer side of the supporting rod, a manipulator is arranged above the box body in a threaded fit manner, a plurality of arc-shaped through holes are uniformly formed in the manipulator, a guide rod is fixed on the balls and can slide along the arc-shaped through holes, a U-shaped fixing frame is fixedly connected to the box body, a locking screw rod is arranged on the U-shaped fixing frame, and the locking screw rod penetrates through the U-shaped fixing frame from top to bottom; the utility model discloses a frictional locking mode of ball oppression increase, it is quick succinct, changed the locking mode in the past, shortened operation flow, reduced patient's misery, improved operation efficiency.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to an orthopedics external fixation support locking formula fixing device.
Background
The external fixation is suitable for open fracture, closed fracture with wide soft tissue injury, fracture complicated infection, fracture nonunion, osteotomy, orthopaedics or joint fusion operation, and the like.
The conventional orthopedic external fixation support is fixed in a screw tightening mode, so that the operation is complex, and the pain of a patient is increased.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims at providing an orthopedics external fixation support locking formula fixing device has solved present external fixation support locking complex operation and can increase painful problem for the patient.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the improved multifunctional combined type screw conveyor comprises a supporting rod, the slidable is equipped with the box body on the bracing piece, be equipped with a plurality of balls in the box body, the ball is at bracing piece outside evenly distributed, box body top screw-thread fit is equipped with the manipulator, evenly be equipped with a plurality of arc through-holes on the manipulator, fixed guide arm on the ball, the arc through-hole can be followed to the guide arm and slided, fixedly connected with U type mount on the box body is equipped with locking screw on the U type mount, locking screw runs through U type mount from top to bottom.
Preferably, be equipped with first arc frame and second arc frame on the bracing piece, fixed three support columns that are equipped with between first arc frame and the second arc frame, slidable is equipped with first slider on the first arc frame, and slidable is equipped with the second slider on the second arc frame, the bracing piece is fixed on first slider and second slider.
Preferably, the fixed block that is equipped with on the second arc frame, the rotatable L type pole that is equipped with in the fixed block, cup jointed first connecting rod, spring and latch segment on the L type pole, latch segment and L type pole fixed connection, first connecting rod and spring are in the left of latch segment, the other end of first connecting rod articulates there is the joint, it has the second connecting rod to articulate on the joint, fixedly connected with third arc frame on the second connecting rod.
Preferably, the locking screw is provided with a ball head, and the middle of the locking screw is not provided with threads.
Preferably, the first connecting rod is a telescopic rod and comprises a first screw rod, a second screw rod and an operating nut, the threads of the first screw rod and the second screw rod are opposite, and the first screw rod and the second screw rod are respectively in threaded fit with the operating nut.
Preferably, a locking nut is in threaded fit with the support rod.
Preferably, the U-shaped fixing frame is made of elastic materials, and fine grains are arranged at the bottom of the U-shaped fixing frame.
Compared with the prior art, the utility model beneficial part lie in: the utility model discloses a frictional locking mode of ball oppression increase, it is quick succinct, changed the locking mode in the past, shortened operation flow, reduced patient's misery, improved operation efficiency.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a schematic view of the box body of the present invention.
Fig. 3 is a schematic view of the inside of the box body of the present invention.
Fig. 4 is an enlarged schematic view of a portion a of fig. 1.
Fig. 5 is a schematic view of the locking screw of the present invention.
Fig. 6 is a schematic view of the L-shaped rod of the present invention.
Detailed Description
The drawings show the specific structure of the preferred embodiment of the present invention, and the following detailed description will explain the structure of each element of the present invention, and the directions (up, down, left, right, front, and back) described below are referred to the structure shown in fig. 1, but the present invention is not limited thereto.
The first embodiment is as follows: shown by fig. 1-6, the utility model discloses a bracing piece 1, the slidable is equipped with box body 2 on the bracing piece 1, be equipped with a plurality of balls 3 in the box body 2, ball 3 is at 1 outside evenly distributed of bracing piece, box body top screw-thread fit is equipped with manipulator 4, evenly be equipped with a plurality of arc through-holes 5 on the manipulator 4, fixed guide 6 on the ball 3, arc through-hole 5 can be followed to guide 6 slides, fixedly connected with U type mount 7 is equipped with locking screw 8 on the box body 2 on the U type mount 7, locking screw 8 runs through U type mount 7 from top to bottom.
The orbit of arc through-hole 5 is for being close to the heart end by the centre of a circle, during initial condition, box body 2 can freely rotate and reciprocate on bracing piece 1, when rotating manipulator 4, when manipulator 4 and bracing piece 1 locking, guide arm 6 is close to near the heart end by the heart end along arc through-hole 5, thereby make the tangent circle that forms in the middle of the ball 3 more and more littleer, can continue to screw up when the external diameter that equals support column 1 and make and support column 1 between frictional force increase, thereby make fixed height and angle fixed.
In order to fix the support rod 1, a locking nut 26 is screwed on the support rod 1.
Example two: on the basis of the above embodiment, in order to adjust the fixed position conveniently, the support rod 1 is provided with a first arc-shaped frame 9 and a second arc-shaped frame 10, three support columns 11 are fixedly arranged between the first arc-shaped frame 9 and the second arc-shaped frame 10, the first arc-shaped frame 9 is provided with a first sliding block 12 in a sliding manner, the second arc-shaped frame 10 is provided with a second sliding block 13 in a sliding manner, and the support rod 1 is fixed on the first sliding block 12 and the second sliding block 13. In addition, the supporting columns 11 can be telescopic, and the application range of the equipment is widened.
Example three: on the basis of above embodiment, fixed block 14 that is equipped with on the second arc frame 9, the internal screw thread fit of fixed block 14 is equipped with L type pole 15, cup joint first connecting rod 16, spring 17 and latch segment 18 on the L type pole 15, latch segment 18 and L type pole 15 fixed connection, first connecting rod 16 and spring 17 are in the left of latch segment 18, the other end of first connecting rod 16 articulates there is joint 19, it has second connecting rod 20 to articulate on the joint 19, fixedly connected with third arc frame 21 on the second connecting rod 20.
After the first connecting rod 16 is adjusted to a proper angle, the L-shaped rod 15 is rotated, the L-shaped rod 15 is slowly locked under the action of the screw threads, and the first connecting rod 16 is slowly fixed at a certain angle under the action of the locking block 18 and the spring 17.
Example four: on the basis of the above embodiment, for better operation locking screw 8, be equipped with bulb 22 on locking screw 8, the screw thread is not established in the centre of locking screw 8, does not establish the width that the screw thread part equals U type mount 7, can make locking screw 8 screw out more fast and make the spicule put into U type mount 7, and the spicule puts into U type mount 7 in the back, twists locking screw 8, and locking screw 8 constitutes two-way lead screw structure with the upper and lower piece of U type mount 7, makes U type mount 7 lock bone.
Wherein, in order to increase the friction between the U-shaped fixing frame 7 and the spicules and ensure that the spicules are clamped more stably,
the U-shaped fixing frame 7 is made of elastic materials, and fine grains are arranged at the bottom of the U-shaped fixing frame.
Example five: in addition to the above embodiments, in order to further increase the application range of the device, the first link 16 is an expansion link, and includes the first screw 23, the second screw 24 and the operation nut 25, the first screw 23 and the second screw 24 have opposite screw threads, the first screw 23 and the second screw 24 are respectively screw-engaged with the operation nut 25, and the same first screw 23, second screw 24 and operation nut 25 constitute a screw-nut structure.
The utility model discloses novel structure thinks about ingeniously, and easy operation is practical, adopts the frictional locking mode of ball oppression increase, and is quick succinct, has changed the locking mode in the past, has shortened the operation flow, has reduced patient's misery, has improved operation efficiency, and this device can diversely in addition, the utilization ratio and the application range increase that the multi-angle was adjusted and is made the device.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an orthopedics external fixation support locking formula fixing device, includes bracing piece (1), its characterized in that: the utility model discloses a support bar, including bracing piece (1), box body (2), be equipped with a plurality of balls (3) on bracing piece (1) slidable, ball (3) are at bracing piece (1) outside evenly distributed, box body (2) top screw-thread fit is equipped with manipulator (4), evenly be equipped with a plurality of arc through-holes (5) on manipulator (4), fixed guide arm (6) are gone up in ball (3), arc through-hole (5) can be followed in guide arm (6) and slide, fixedly connected with U type mount (7) are gone up in box body (2), are equipped with locking screw (8) on U type mount (7), locking screw (8) run through U type mount (7) from top to bottom.
2. The locking type fixing device of an orthopedic external fixing bracket according to claim 1, wherein: be equipped with first arc frame (9) and second arc frame (10) on bracing piece (1), fixed three support columns (11) that are equipped with between first arc frame (9) and second arc frame (10), slidable is equipped with first slider (12) on first arc frame (9), and slidable is equipped with second slider (13) on second arc frame (10), bracing piece (1) is fixed on first slider (12) and second slider (13).
3. The locking type fixing device of an orthopedic external fixing bracket according to claim 2, wherein: fixed block (14) of being equipped with on second arc frame (10), rotatable L type pole (15) of being equipped with in fixed block (14), first connecting rod (16), spring (17) and latch segment (18) have been cup jointed on L type pole (15), latch segment (18) and L type pole (15) fixed connection, first connecting rod (16) and spring (17) are in the left of latch segment (18), the other end of first connecting rod (16) articulates there is joint (19), it has second connecting rod (20) to articulate on joint (19), fixedly connected with third arc frame (21) on second connecting rod (20).
4. The locking type fixing device of an orthopedic external fixing bracket according to claim 1, wherein: the locking screw rod (8) is provided with a ball head (22), and the middle of the locking screw rod (8) is not provided with threads.
5. The locking type fixing device of an orthopedic external fixing bracket according to claim 3, wherein: the first connecting rod (16) is a telescopic rod and comprises a first screw rod (23), a second screw rod (24) and an operating nut (25), the threads of the first screw rod (23) and the second screw rod (24) are opposite, and the first screw rod (23) and the second screw rod (24) are respectively in threaded fit with the operating nut (25).
6. The locking type fixing device of an orthopedic external fixing bracket according to claim 1, wherein: and a locking nut (26) is matched with the supporting rod (1) through threads.
7. The locking type fixing device of an orthopedic external fixing bracket according to claim 1, wherein: the U-shaped fixing frame (7) is made of elastic materials, and fine grains are arranged at the bottom of the U-shaped fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809425.7U CN210673421U (en) | 2018-11-02 | 2018-11-02 | Locking type fixing device for orthopedic external fixing support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809425.7U CN210673421U (en) | 2018-11-02 | 2018-11-02 | Locking type fixing device for orthopedic external fixing support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210673421U true CN210673421U (en) | 2020-06-05 |
Family
ID=70888397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821809425.7U Expired - Fee Related CN210673421U (en) | 2018-11-02 | 2018-11-02 | Locking type fixing device for orthopedic external fixing support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210673421U (en) |
-
2018
- 2018-11-02 CN CN201821809425.7U patent/CN210673421U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 Termination date: 20201102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |