CN213129825U

CN213129825U - External fixing frame for hip injury

Info

Publication number: CN213129825U
Application number: CN202021646695.8U
Authority: CN
Inventors: 梁国辉; 郭云鹏; 赵村辉
Original assignee: Luoyang Orthopedic Traumatological Hospital of Henan Orthopedic Hospital
Current assignee: Luoyang Orthopedic Traumatological Hospital of Henan Orthopedic Hospital
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-05-07
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a hip injury external fixation frame relates to fracture surgery apparatus field, to the inconvenient and stability scheduling problem of current external fixation ware device joint activity, now proposes following scheme, and it includes the steel needle, steel needle fixed mounting and hipbone both sides, the steel needle is installed on nearly position locker, nearly position locker is provided with first centre gripping groove, the clamping has nearly position support in the first centre gripping inslot, nearly position support bottom is installed another group nearly position locker, just nearly position locker top one side is provided with set screw, the inside bottom of nearly position locker is close to one side of set screw and is provided with interior set screw. The utility model discloses novel structure, but and the device makes patient's coxal bone have the mobility to a certain extent, and the device simple structure, convenient operation can reduce doctor's operation time moreover, have improved work efficiency to a certain extent.

Description

External fixing frame for hip injury

Technical Field

The utility model relates to a fracture surgical instruments field especially relates to a hip injury external fixation frame.

Background

Hip fracture is a common disease and frequently encountered disease. In recent years, the incidence of hip fractures has been on the rise with the aging population and increased traffic accidents. The traditional treatment method has high complication rate and death rate. In order to improve the cure rate, more and more scholars focus attention on the improvement of internal fixation equipment to obtain certain results, but the operation wound is large, the price is generally high, and the clinical popularization is inconvenient.

According to the analysis of the external fixing frame adopted in the market at present, the external fixing frame has obvious advantages in the open fracture treatment, is simple and convenient to operate, has less bleeding, and is particularly used for treating severe soft tissue injuries and open fractures, so that the hip injury external fixing frame is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hip injury external fixation frame has solved the inconvenient and stable scheduling problem of current external fixation device joint activity.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hip injury external fixation frame comprises a steel needle, wherein the steel needle is fixedly installed at two sides of a hip bone, the steel needle is installed on a near position locking device, the near position locking device is provided with a first clamping groove, a near position support is clamped in the first clamping groove, the bottom end of the near position support is provided with another group of near position locking devices, one side of the top of each near position locking device is provided with a fixing screw, one side of the bottom inside each near position locking device, which is close to the fixing screw, is provided with an inner fixing screw, the tail end of the inner fixing screw is provided with a fixing nut, the top end of each near position locking device is provided with a first connecting screw groove, the top end of each near position locking device is rotatably provided with a far position locking device, the connecting position of the far position locking device and the near position locking device is fixedly provided with a connecting screw, the connecting screw is matched with the first connecting screw groove in position, the far position locking device is provided with a, and a far bracket is clamped in the second clamping groove, another group of near-position locking devices are installed at the tail end of the far bracket, another group of far-position locking devices are installed at the tops of the near-position locking devices, another group of far-position locking devices are installed in the second clamping groove formed in the far-position locking devices, a fixing bracket is clamped in the second clamping groove, one end, far away from the second clamping groove, of the fixing bracket is provided with a positioning screw, and an outer fixing nut is arranged outside the positioning screw.

Preferably, the steel needle is in threaded connection with the hip bone.

Preferably, an internal fixing thread groove is formed in the proximal locking device, and the internal fixing thread groove is matched with an internal fixing screw in position.

Preferably, the internal fixing screw is rotatably connected with the fixing nut, and a connecting thread is arranged at the joint of the internal fixing screw and the fixing nut.

Preferably, the steel needle, the near-position bracket, the fixing bracket, the far-position bracket and the external fixing nut are symmetrically distributed by taking the positioning screw as a symmetry axis.

Preferably, a second connecting screw groove is formed in one side, far away from the fixing screw, of the top of the proximal locking device, and the second connecting screw groove is matched with the connecting screw in position.

The utility model has the advantages that:

1. the cross bar of the device is provided with the set screw and the external fixing nut, and the mode aims at the defect that the joint movement is influenced by the existing external fixing frame with damaged coxal bone, so that the coxal bone of a patient can move to a certain extent.

2. The device has simple structure, easy mastering and strong flexibility, and doctors can select different combination modes according to the fracture conditions of patients.

3. The device adopts a unilateral external fixator, and the mode has the advantages of simple operation, strong stability of fixation, small wound after operation and contribution to fracture healing.

In conclusion, the device enables the patient's hipbone to have mobility to a certain extent, has simple structure and convenient operation, can reduce the operation time of a doctor, improves the working efficiency to a certain extent, adopts a single-side external fixator as a fixing mode, has stronger stability, is convenient for the patient to move, and can effectively solve the contradiction between wound treatment and fracture fixation.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is an enlarged view of the connection structure at a in fig. 1.

Fig. 4 is a cross-sectional view of the lock of the present invention.

Reference numbers in the figures: 1. a hip bone; 2. a proximal stent; 3. a first clamping groove; 4. an outer fixing nut; 5. fixing a bracket; 6. a distal support; 7. a second clamping groove; 8. a steel needle; 9. a set screw; 10. a first connecting screw groove; 11. a proximal lock; 12. an internal fixation screw; 13. a distal lock; 14. a connecting screw; 15. fixing a nut; 16. a set screw; 17. an internal fixation thread groove; 18. a second connecting screw groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a hip injury external fixator comprises a steel needle 8, the steel needle 8 is fixedly installed on two sides of a hip bone 1, the steel needle 8 is installed on a proximal locker 11, the proximal locker 11 is provided with a first clamping groove 3, a proximal bracket 2 is clamped in the first clamping groove 3, another group of proximal lockers 11 are installed at the bottom end of the proximal bracket 2, a fixing screw 16 is arranged on one side of the top of the proximal locker 11, an internal fixing screw 12 is arranged on one side of the inner bottom of the proximal locker 11 close to the fixing screw 16, a fixing nut 15 is arranged at the tail end of the internal fixing screw 12, a first connecting screw groove 10 is arranged at the top end of the proximal locker 11, a distal locker 13 is rotatably installed at the top end of the proximal locker 11, a connecting screw 14 is fixedly installed at the connection position of the distal locker 13 and the proximal locker 11, the connecting screw 14 is matched with the first connecting screw groove 10 in position, the distal position locking device 13 is provided with a second clamping groove 7, the distal position support 6 is clamped in the second clamping groove 7, the tail end of the distal position support 6 is provided with another group of proximal position locking devices 11, the top of the other group of proximal position locking devices 11 is provided with another group of distal position locking devices 13, the second clamping groove 7 arranged on the other group of distal position locking devices 13 is clamped with a fixed support 5, one end of the fixed support 5 far away from the second clamping groove 7 is provided with a positioning screw 9, the outside of the positioning screw 9 is provided with an external fixed nut 4, the steel needle 8 is in threaded connection with the hip bone 1, the proximal position locking device 11 is provided with an internal fixed thread groove 17, the internal fixed thread groove 17 is matched with the internal fixed screw 12 in position, the internal fixed screw 12 is in rotary connection with the fixed nut 15, and the junction of the internal fixation screw 12 and the fixing nut 15 is provided with connecting threads, one side of the top of the proximal locking device 11 far away from the fixing screw 16 is provided with a second connecting screw groove 18, the second connecting screw groove 18 is matched with the connecting screw 14 in position, and the steel needle 8, the proximal bracket 2, the fixing bracket 5, the distal bracket 6 and the external fixation nut 4 are symmetrically distributed by taking the positioning screw 9 as a symmetry axis.

The working principle is as follows: when the device is used, firstly, a steel needle 8 is nailed into the hip bone 1 at one side, after the steel needle 8 is placed into the hip bone 1, the other end of the steel needle 8 is placed into a first clamping groove 3 of a near position locking device 11, then an inner fixing screw 12 and a fixing screw 16 are screwed to fix the position of the steel needle, after the fixation is finished, a connecting nut 14 arranged at the bottom end of a far position locking device 13 is aligned with a first connecting screw groove 10, the far position locking device 13 is fixed on the near position locking device 11 in a screw thread rotating mode, at the moment, the near position bracket 2 is placed into a second clamping groove 7 of a far position locking device 13, after the near position bracket 2 can be fixed in the second clamping groove 7, another group of near position locking devices 11 and the far position locking device 13 are combined, the near position bracket 2 can be arranged at the middle position of the near position bracket 2 after the combination is finished, at the moment, one end of the far position bracket 6 is arranged in the second clamping groove 7 of the far position locking device 13 at the middle position of the near position bracket 2, after the far-position support 6 is fixed, a new group of combined locking devices are installed at the other end of the far-position support 6, the fixing support 5 is placed in the second clamping groove 7 of the far-position locking device 13 of the group of locking devices, one end, far away from the locking devices, of the fixing support 5 is provided with a positioning screw 9, an outer fixing nut 4 is installed on the positioning screw 9, the hip bone 1 on the other side is also operated in the same way, the outer fixing nut 4 at the moment mainly has the effect of adjusting the stability between the fixing supports 5 at two ends, the outer fixing frame can be used after all fixing is completed, and the outer fixing frame can be detached through reverse operation after postoperative recovery is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The hip injury external fixator comprises a steel needle (8) and is characterized in that the steel needle (8) is fixedly installed on two sides of a hip bone (1), the steel needle (8) is installed on a near position locker (11), the near position locker (11) is provided with a first clamping groove (3), a near position support (2) is clamped in the first clamping groove (3), the bottom end of the near position support (2) is provided with another group of near position lockers (11), one side of the top of each near position locker (11) is provided with a fixing screw (16), one side of the bottom inside each near position locker (11) close to the fixing screw (16) is provided with an internal fixing screw (12), the tail end of the internal fixing screw (12) is provided with a fixing nut (15), the top end of each near position locker (11) is provided with a first connecting screw groove (10), and the top end of each near position locker (11) is rotatably provided with a far position locker (13), a connecting screw (14) is fixedly arranged at the connecting part of the far position locking device (13) and the near position locking device (11), the connecting screw (14) is matched with the first connecting screw groove (10), the far position locking device (13) is provided with a second clamping groove (7), a far bracket (6) is clamped in the second clamping groove (7), another group of near locking devices (11) are arranged at the tail end of the far bracket (6), the top of the other group of near position locking devices (11) is provided with another group of far position locking devices (13), a fixed bracket (5) is clamped in a second clamping groove (7) formed in the other group of far position locking devices (13), one end of the fixed bracket (5) far away from the second clamping groove (7) is provided with a positioning screw (9), and an external fixing nut (4) is arranged outside the positioning screw (9).

2. The external fixator for hip injuries according to claim 1, characterized in that the steel needle (8) is screwed to the hip bone (1).

3. The external hip injury fixator according to claim 1, wherein the proximal lock (11) has an internal fixation screw groove (17) and the internal fixation screw groove (17) matches the position of the internal fixation screw (12).

4. The external hip-injury fixation frame as recited in claim 1, wherein the internal fixation screw (12) is rotatably connected to the fixation nut (15), and a connection thread is provided at the connection between the internal fixation screw (12) and the fixation nut (15).

5. The external fixator of claim 1, characterized in that the proximal lock (11) is provided with a second connecting screw slot (18) on the side of the top facing away from the fixing screw (16), and the second connecting screw slot (18) is matched to the position of the connecting screw (14).

6. The external hip-injury fixation frame according to claim 1, wherein the steel needle (8), the proximal bracket (2), the fixation bracket (5), the distal bracket (6) and the external fixation nut (4) are symmetrically distributed around the set screw (9).