CN215306567U

CN215306567U - Orthopaedic nail reduction and locking device

Info

Publication number: CN215306567U
Application number: CN202121174357.3U
Authority: CN
Inventors: 潘乐; 陈建强; 朱红夷; 王旭春; 武中庆
Original assignee: Huzhou Wuxing District People's Hospital Huzhou Wuxing District Maternal And Child Health Hospital
Current assignee: Huzhou Wuxing District People's Hospital Huzhou Wuxing District Maternal And Child Health Hospital
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-28
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses an orthopedic reduction nail locking device, which comprises a base, wherein a groove is arranged in the base, the top of the base is provided with two fixing clamps, two sliding rods are fixedly arranged between the two fixing clamps, a bone nail fixing plate is arranged between the two fixing clamps, two groups of clamping components for fixing the bone nail fixing plate are sleeved on the two sliding rods, two fixing rods are fixedly arranged on the sides of the two fixing clamps close to the base, the two fixing clamps are simple in structure and convenient to use, the arm is placed into the groove of the base and then the base and the fixing clamp are connected, so that the device can be sleeved on the arm to facilitate positioning of subsequent bone nails, the positions of the two clamping plates are adjusted to fix the bone nail fixing plate, the screw rod is rotated to reduce the gap between the fixing clamp and the base, so that the device body can clamp the arm tightly, and the two clamping plates are fixed to facilitate nailing of the subsequent bone nails.

Description

Orthopaedic nail reduction and locking device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an orthopedic reduction nail locking device.

Background

At present, in the treatment of fracture reduction, generally, bone nails and nail locking mechanisms are mostly adopted and matched with an orthopedic external fixing frame for use, and the functions of the bone nails and the nail locking mechanisms are mainly that the bone nails are driven into bones and then are locked on the fixing frame by the nail locking mechanisms, so that the aim of fixing the bones is fulfilled.

However, in the existing bone nailing mechanism, a bone nail fixing plate is usually directly placed above the skin of a bone nail to be nailed, and then the bone nail is nailed through a fixing hole in the bone nail fixing plate, and the bone nail fixing plate can deviate in the nailing process, so that the nailing point of the bone nail is inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an orthopedic reduction nail locking device.

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

the utility model provides an orthopedics is whole to lock nail ware, includes the base, be equipped with the recess in the base, the top of base is equipped with two fixation clamps, two equal fixed mounting has two slide bars, two between the fixation clamp be equipped with bone nail fixed plate, two on the slide bar the cover be equipped with two sets of clamping components that are used for fixing bone nail fixed plate, two the fixation clamp has two dead levers with the equal fixed mounting in one side that the base is close to each other, all through coupling assembling swing joint between the dead lever of fixation clamp bottom and the dead lever at base top.

Preferably, coupling assembling includes the fixed cover of fixed cover establishing on two dead levers, two all be equipped with the through-hole on the fixed cover, two threaded rod is installed to the screw thread between the through-hole.

Preferably, the fixing clip and the groove are fixedly connected with a cushion at one side close to each other.

Preferably, clamping unit includes equal sliding connection the slide on two slide bars, two the same splint of one side fixedly connected with that the slide is close to each other, two one side that the splint are close to each other all is equipped with the fixed slot, bone nail fixed plate fixed mounting is between two fixed slots, top one side of base is equipped with the spout, sliding rotation installs with two screw rods in the spout, and one side fixed mounting that two fixation clamps are close to each other has same extension board, be equipped with the bar hole corresponding with the spout on the extension board, the top of screw rod is run through slide and bar hole and is extended to the top of slide, two the limiting plate that is located the slide top is installed to the screw thread on the outer wall of screw rod, the bottom of limiting plate welds with the top of slide mutually.

Preferably, the inner wall of the bottom of the sliding chute is connected with a sliding plate in a sliding manner, the top of the sliding plate is fixedly provided with a bearing, and the bottom end of the screw rod extends to the inner ring of the bearing and is fixedly connected with the inner ring of the bearing.

Preferably, scales are arranged on the two sliding rods.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, firstly, an arm to be fixed is placed in the groove of the base, then the fixing sleeves between the fixing clamps and the fixing rods on the base are aligned, the threaded rod passes through the through hole between the two fixing sleeves to fix the fixing sleeves, and the device body can be sleeved on the arm.

2. According to the bone nail fixing device, the positions of the two clamping plates are adjusted to clamp the bone nail fixing plate and adjust the bone nail fixing plate to a proper position, then the limiting plate can move downwards through the threads by rotating the screw rod, the limiting plate pushes the supporting plate to move downwards while moving downwards, the supporting plate moves downwards to enable the sliding plate, the fixing clamp and the sliding rod to move downwards, a gap between the base and the fixing clamp is reduced, the device body is fixed on an arm, and meanwhile, the clamping plates are fixed, so that bone nails can be placed into fixing holes of the bone nail fixing plate to fix bones.

The bone nail fixing device is simple in structure and convenient to use, the arm is placed in the groove of the base, the base and the fixing clamp are connected together, the device can be sleeved on the arm to facilitate subsequent positioning of bone nails, the positions of the two clamping plates are adjusted to fix the bone nail fixing plate, the screw rod is rotated to reduce the gap between the fixing clamp and the base, the device body can clamp the arm tightly, and the two clamping plates are fixed to facilitate nailing of the subsequent bone nails.

Drawings

FIG. 1 is a schematic side view of a nail locking device for orthopedic reduction according to the present invention;

FIG. 2 is a schematic top view of the orthopedic reduction nail locking device according to the present invention;

FIG. 3 is a schematic rear view of the orthopedic reduction nail locking device according to the present invention;

fig. 4 is a side sectional view of the base of the orthopedic reduction nail locking device provided by the utility model.

In the figure: 1. a base; 2. a screw; 3. a fixing clip; 4. a slide bar; 5. fixing the rod; 6. fixing a sleeve; 7. a threaded rod; 8. a soft cushion; 9. a slide plate; 10. a splint; 11. a limiting plate; 12. a chute; 13. fixing grooves; 14. a bone nail fixing plate; 15. calibration; 16. a support plate; 17. a groove; 18. a strip-shaped hole; 19. a bearing; 20. a sliding plate.

Detailed Description

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

Example one

Referring to fig. 1-4, an orthopedic reduction nail locking device comprises a base 1, a groove 17 is arranged in the base 1, two fixing clamps 3 are arranged at the top of the base 1, two sliding rods 4 are fixedly arranged between the two fixing clamps 3, a bone nail fixing plate 14 is arranged between the two fixing clamps 3, two groups of clamping components for fixing the bone nail fixing plate 14 are sleeved on the two sliding rods 4, two fixing rods 5 are fixedly arranged at the mutually close sides of the two fixing clamps 3 and the base 1, the fixing rods 5 at the bottoms of the fixing clamps 3 and the fixing rods 5 at the top of the base 1 are movably connected through a connecting component, scales 15 are arranged on the two sliding rods 4, the orthopedic reduction nail locking device has a simple structure and is convenient to use, an arm is placed in the groove 17 of the base 1 and then the base 1 and the fixing clamps 3 are connected together to enable the device to be sleeved on the arm to facilitate the positioning of subsequent bone nails, and then the positions of the two clamping plates 10 are adjusted to fix the bone nail fixing plate 14, the screw 2 is rotated to reduce the gap between the fixing clamp 3 and the base 1, so that the device body can clamp an arm, and the two clamping plates 10 are fixed to facilitate the nailing of subsequent bone nails.

Example two

The embodiment is improved on the basis of the first embodiment: coupling assembling all is equipped with the through-hole including fixed cover 6 of establishing on two dead levers 5 on two fixed covers 6, threaded rod 7 is installed to the screw thread between two through-holes, the equal fixedly connected with cushion 8 in one side that fixation clamp 3 and recess 17 are close to each other.

EXAMPLE III

The embodiment is improved on the basis of the first embodiment: the clamping assembly comprises sliding plates 9 which are all connected to the two sliding rods 4 in a sliding manner, one side, close to each other, of each sliding plate 9 is fixedly connected with the same clamping plate 10, one side, close to each other, of each clamping plate 10 is provided with a fixing groove 13, a bone nail fixing plate 14 is fixedly arranged between the two fixing grooves 13, one side of the top of the base 1 is provided with a sliding groove 12, the sliding grooves 12 are rotatably arranged in the sliding grooves 12, one side, close to each other, of each fixing clamp 3 is fixedly provided with the same supporting plate 16, the supporting plate 16 is provided with a strip-shaped hole 18 corresponding to the sliding groove 12, the top end of each screw 2 penetrates through the sliding plates 9 and the strip-shaped holes 18 and extends to the upper side of the sliding plate 9, the outer walls of the two screw rods 2 are provided with limiting plates 11 positioned above the sliding plates 9 in a threaded manner, the bottoms of the limiting plates 11 are welded with the tops of the sliding plates 9, the inner walls of the bottoms of the sliding grooves 12 are connected with sliding plates 20 in a sliding manner, and the tops of the sliding plates 20 are fixedly provided with bearings 19, the bottom end of the screw rod 2 extends to the inner ring of the bearing 19 and is fixedly connected with the inner ring of the bearing 19, the structure is simple, the use is convenient, the device can be sleeved on the arm to facilitate the subsequent positioning of bone nails by placing the arm into the groove 17 of the base 1 and then connecting the base 1 and the fixing clamp 3, the positions of the two clamping plates 10 are adjusted to fix the bone nail fixing plate 14, the screw rod 2 is rotated to reduce the gap between the fixing clamp 3 and the base 1, so that the arm can be clamped by the device body, and the two clamping plates 10 are fixed to facilitate the subsequent nailing of the bone nails.

The working principle is as follows: firstly, an arm to be fixed is placed in a groove 17 of a base 1, then a fixing clamp 3 is aligned with a fixing sleeve 6 between fixing rods 5 on the base 1, a threaded rod 7 passes through a through hole between the two fixing sleeves 6 to fix the fixing sleeves 6, the device body can be sleeved on the arm, the positions of the two clamping plates 10 are adjusted to clamp the bone nail fixing plate 14 and adjust the bone nail fixing plate to a proper position, then the limiting plate 11 can move downwards through the screw thread by rotating the screw rod 2, the limiting plate 11 pushes the support plate 16 to move downwards while moving downwards, the support plate 16 moves downwards to enable the sliding plate 9, the fixing clamp 3 and the sliding rod 4 to move downwards, a gap between the base 1 and the fixing clamp 3 is reduced, the device body is fixed on an arm, at the same time, the splint 10 is fixed, so that bone nails can be put into the fixing holes of the bone nail fixing plate 14 to fix bones.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an orthopedics restoration lock nail ware, includes base (1), its characterized in that, be equipped with recess (17) in base (1), the top of base (1) is equipped with two fixation clamp (3), two equal fixed mounting has two slide bars (4), two between fixation clamp (3) be equipped with bone nail fixed plate (14), two between fixation clamp (3) the cover is equipped with two sets of clamping component who is used for fixed bone nail fixed plate (14) on slide bar (4), two the equal fixed mounting in one side that fixation clamp (3) and base (1) are close to each other has two dead lever (5), all through coupling assembling swing joint between dead lever (5) of fixation clamp (3) bottom and dead lever (5) at base (1) top.

2. An orthopaedic restitution nail locking device according to claim 1, characterized in that said connection assembly comprises two fixing sleeves (6) fixed on two fixing rods (5), both said fixing sleeves (6) being provided with a through hole between which a threaded rod (7) is threadedly mounted.

3. An orthopaedic restitution nail locking device according to claim 1, characterized in that both the fixing clip (3) and the groove (17) are fixedly connected with a soft pad (8) on the sides close to each other.

4. The orthopedic reduction nail locking device according to claim 1, wherein the clamping assembly comprises sliding plates (9) slidably connected to the two sliding rods (4), one side of the two sliding plates (9) close to each other is fixedly connected with the same clamping plate (10), one side of the two clamping plates (10) close to each other is provided with a fixing groove (13), the bone nail fixing plate (14) is fixedly installed between the two fixing grooves (13), one side of the top of the base (1) is provided with a sliding groove (12), the sliding groove (12) is slidably and rotatably installed with the two screw rods (2), one side of the two fixing clamps (3) close to each other is fixedly installed with the same supporting plate (16), the supporting plate (16) is provided with a strip-shaped hole (18) corresponding to the sliding groove (12), the top end of the screw rod (2) penetrates through the sliding plates (9) and the strip-shaped hole (18) and extends to the upper part of the sliding plates (9), two the outer wall of screw rod (2) is gone up the screw thread and is installed limiting plate (11) that are located slide (9) top, the bottom of limiting plate (11) and the top of slide (9) weld mutually.

5. An orthopedic reduction nail locking device according to claim 4, characterized in that a sliding plate (20) is slidably connected to the inner wall of the bottom of the sliding chute (12), a bearing (19) is fixedly mounted on the top of the sliding plate (20), and the bottom end of the screw rod (2) extends to the inner ring of the bearing (19) and is fixedly connected with the inner ring of the bearing (19).

6. An orthopaedic restitution nail-locking device according to claim 1, characterized in that both said sliding bars (4) are provided with graduations (15).