CN217886173U

CN217886173U - Novel radius distal end steel plate

Info

Publication number: CN217886173U
Application number: CN202122955901.4U
Authority: CN
Inventors: 顾加祥; 王斌; 刘宏君
Original assignee: Northern Jiangsu Peoples Hospital
Current assignee: Northern Jiangsu Peoples Hospital
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-11-25
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to a novel radius distal end steel sheet. The steel plate comprises a steel plate, the well dead slot has been run through to the preceding tip of steel plate has been seted up, the preceding tip of steel plate runs through to have seted up three screw hole one, three screw hole one is extremely arranged in proper order from top to bottom, the preceding tip of steel plate runs through to have seted up screw hole two, the inside wall fixed mounting of screw hole two has the indent layer, the tip of indent layer is interior concavity. The utility model discloses a splint that two rotatory drives of threaded rod are located the spout remove, splint remove with the spout inner wall clamp tightly, two splint clamps outside the spout this moment, the cutting is fixed to be accomplished, the user fixes the screw hole two that the screw was seted up through the cutting with the fracture piece of brachial radial muscle stop department again, steel sheet radial lateral part has cutting and slot, a fracture piece for fixing brachial radial muscle stop department, and adjustable cutting length, change in fixed brachial radial muscle stop fracture piece.

Description

Novel radius distal end steel plate

Technical Field

The utility model relates to a radius steel sheet technical field especially relates to novel radius distal end steel sheet.

Background

The steel plate is one of the most widely used consumables in orthopedic surgery and is generally used for internal fixation of fracture. Distal radius fractures are one of the most common fractures, and most distal radius fractures require internal fixation in a steel plate. At present, the clinical distal radius volar locking steel plate has the following main defects:

1. the fracture can not be temporarily fixed after reduction when being smashed, and the styloid process of the radius is fixed only by one oblique screw, so that the risk of displacement is high.

2. Clinically, the fracture of the distal radius is often accompanied by the fracture of the brachioradialis dead center, and the fracture block is difficult to be fixed by a common steel plate.

Therefore, aiming at the defects in the prior art, a novel distal radius steel plate which is convenient to use and has a satisfactory effect is designed, the reduction and the fixation of the distal radius fracture are easier, favorable conditions are created for surgical clinical work, and the novel distal radius steel plate is worthy of being popularized in clinical practice.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel radius distal end steel sheet to solve the problem that proposes among the above-mentioned background art.

The following technical scheme is adopted in the application: novel radius distal end steel sheet, comprising a steel plate, the preceding tip of steel sheet runs through and has seted up the hollow groove, the preceding tip of steel sheet runs through and has seted up three screw hole one, and is three screw hole one is to last and arrange in proper order down, screw hole two has been seted up in the preceding tip of steel sheet running through, the inside wall fixed mounting of screw hole two has the indent layer, the tip on indent layer is interior concavity, the tip of steel sheet is equipped with the fixed establishment that can adjust distance.

Preferably, the preceding tip of steel sheet runs through and has seted up the kirschner wire fixed orifices, the slot has been seted up to the preceding tip of steel sheet, threaded rod one is installed to the slot internal rotation that the steel sheet was seted up, two slide rails have been seted up in the lateral part of slot inside wall runs through, the lateral part of slot inside wall runs through the spout, the spout is located between two slide rails.

Preferably, fixed establishment is including the cutting, the side tip fixed mounting of cutting has two slides, two the slide is located two slide rails respectively, the side tip of cutting rotates installs threaded rod two, the circumference surface mounting of threaded rod two has two splint, two splint are located slot and spout respectively, the shape of cutting is L shape, the middle part fixed mounting of cutting has the dead lever, dead lever movable sleeve establishes and installs outside threaded rod one.

The application has the advantages that: firstly, the steel plate covers the styloid process part of the radius, so that the fracture related to the styloid process part of the radius can be better fixed, the fracture reduction fixation is more effective and firmer, and the fracture reduction fixation is more suitable for complicated distal radius fractures, and the inner concave layers with the same structure are arranged in the kirschner wire fixing hole and the screw hole II, so that the speed of placing a kirschner wire and a screw by a user is effectively increased, and the installation speed is increased.

And secondly, the steel plate is made of titanium, the strength and the hardness of the steel plate are similar to those of human bones, the steel plate is difficult to break, the steel plate is corrosion-resistant, high temperature and high pressure resistant, the steel plate can be used for conventional sterilization, the Kirschner wire fixing holes are formed in the plate and used for temporary fixation after resetting, the center of the steel plate is provided with a hollow groove, unnecessary materials are reduced, the bone surface can be more easily attached, threads are arranged in the screw hole I and the screw hole II, the screw holes are matched with the threads at the nut position and used for locking screws, the screw fixation is firmer and difficult to loosen, and the directions of the screw hole I and the screw hole II are different, so that the screw fixation is firmer and difficult to loosen.

And thirdly, the threaded rod II rotates to drive the clamping plate positioned in the sliding groove to move, the clamping plate moves to be clamped with the inner wall of the sliding groove, the two clamping plates are clamped outside the sliding groove at the moment, the inserting strip is fixed, a user fixes the screw with the fracture block at the brachial radius dead center through the screw hole II formed in the inserting strip, the radial side part of the steel plate is provided with the inserting strip and the inserting groove, the fracture block at the brachial radius dead center is fixed, the length of the inserting strip can be adjusted, and the fracture block at the brachial radius dead center can be fixed more easily.

Drawings

FIG. 1 is a schematic structural view of a steel plate according to the present invention;

fig. 2 is a schematic structural view of a second screw hole of the present invention;

fig. 3 is a schematic structural view of the first threaded rod of the present invention;

fig. 4 is a schematic structural view of the cutting of the present invention.

In the figure: 1. a steel plate; 11. a hollow groove; 12. a first screw hole; 13. a kirschner wire fixing hole; 14. a second screw hole; 15. an inner concave layer; 16. inserting slots; 17. a slide rail; 18. a chute; 19. a first threaded rod; 2. cutting; 21. fixing the rod; 22. a thread groove; 23. a second threaded rod; 24. a splint; 25. a slide plate.

Detailed Description

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Example 1: please refer to fig. 1, fig. 2 and fig. 3, a novel radius far-end steel plate, which comprises a steel plate 1, a hollow groove 11 is formed in a front end portion of the steel plate 1 in a penetrating manner, a first three screw hole 12 is formed in a front end portion of the steel plate 1 in a penetrating manner, a second three screw hole 14 is formed in a front end portion of the steel plate 1 in a penetrating manner, an inner concave layer 15 is fixedly mounted on an inner side wall of the second screw hole 14, a tip portion of the inner concave layer 15 is concave, a fixing mechanism capable of adjusting a distance is arranged on a tip portion of the steel plate 1, a kirschner wire fixing hole 13 is formed in a front end portion of the steel plate 1 in a penetrating manner, a first threaded rod 19 is rotatably mounted in a slot 16 formed in the steel plate 1, two sliding rails 17 are formed in a penetrating manner on a side portion of an inner side wall of the slot 16, a sliding groove 18 is formed in a penetrating manner, and the sliding groove 18 is located between the two sliding rails 17.

When the fracture reduction temporary fixation screw is used, after the fracture is temporarily fixed in a reduction mode, the steel plate 1 is placed at a proper position of the far end of a radius, the steel plate 1 is temporarily fixed by using a Kirschner wire and a reduction clamp, the Kirschner wire penetrates into the Kirschner wire fixing hole 13 by a user, the structure identical to that of the concave layer 15 is also arranged in the Kirschner wire fixing hole 13, therefore, when the user places the Kirschner wire, the Kirschner wire can contact the inner wall of the concave layer 15, meanwhile, the end part of the concave layer 15 can slide into the Kirschner wire fixing hole 13 along the concave layer 15, the use convenience of the user is improved, the user can drill holes into the screw to fix the fracture according to the conventional fracture internal fixation steps, the user can connect the screw with the radius through the screw hole I12 and the screw hole II 14 respectively, when the screw is installed through the screw hole II 14, the screw can contact the inner wall of the concave layer 15, meanwhile, the end part of the concave layer 15 is inwards, therefore, the screw can slide into the screw hole into the fixing hole 13 and the effective fracture fixing speed of the radius can be improved, the more effective fracture fixation screw fixing speed of the reduction clamp is improved, and the more suitable for more effective fracture fixation of the radial bone fracture fixation screw covering rate of the radius, and the more effective fixation screw covering rate of the more effective fixation screw is improved.

Example 2: referring to fig. 1, fig. 3 and fig. 4, on the basis of the first embodiment, a fixing mechanism capable of adjusting a distance is arranged at an end portion of a steel plate 1, the fixing mechanism includes a cutting 2, two sliding plates 25 are fixedly mounted at side end portions of the cutting 2, the two sliding plates 25 are respectively located in two sliding rails 17, a second threaded rod 23 is rotatably mounted at the side end portions of the cutting 2, two clamping plates 24 are mounted on the circumferential surface of the second threaded rod 23, the two clamping plates 24 are respectively located in a slot 16 and a sliding groove 18, the cutting 2 is L-shaped, a fixing rod 21 is fixedly mounted at the middle portion of the cutting 2, and the fixing rod 21 is movably sleeved outside the first threaded rod 19.

When the humerus muscle fracture fixation device is used, if a fracture block at the stopping point of the brachioradialis muscle needs to be fixed, the cutting 2 can be inserted, the cutting 2 is placed into a slot 16 formed in a steel plate 1, a first threaded rod 19 rotates, the first threaded rod 19 rotates to gradually drive the cutting 2 to enter the slot 16, a second threaded rod 23 at the end of the slot 16 slides into a sliding slot 18, the second threaded rod 23 drives two clamping plates 24 to respectively slide into the slot 16 and the sliding slot 18, a threaded slot 22 in a fixing rod 21 is installed outside the first threaded rod 19 through threads, the first threaded rod 19 rotates to drive the cutting 2 to move in the slot 16, the cutting 2 horizontally slides in two sliding rails 17 through two sliding plates 25, after the cutting 2 moves for a proper distance, the second threaded rod 23 rotates, the clamping plates 24 in the slot 16 are tightly attached to the outer wall of the sliding slot 18, the second threaded rod 23 rotates to drive the clamping plates 24 in the sliding slot 18 to move, the splint 24 moves to clamp the inner wall of the sliding groove 18, at the moment, the two splints 24 are clamped outside the sliding groove 18, the cutting strip 2 is fixed, a user fixes a screw with a fracture block at the position of the brachial radial muscle stop through a screw hole II 14 formed in the cutting strip 2, the radial side part of the steel plate 1 is provided with the cutting strip 2 and an inserting groove 16 for fixing the fracture block at the position of the brachial radial muscle stop, the length of the cutting strip can be adjusted, the humeral radial muscle stop fracture block can be fixed more easily, the steel plate 1 is made of titanium, has similar strength and hardness with human skeleton strength, is not easy to break, is corrosion-resistant, is resistant to high temperature and high pressure, can be used in a conventional sterilization mode, the plate is provided with a Kirschner wire fixing hole 13 for temporary fixation after reduction, the center of the steel plate 1 is provided with a hollow groove 11 for reducing unnecessary materials and is easy to attach to the bone surface, the screw hole I12 and the screw hole II 14 are provided with threads which are matched with the threads at the nut position for locking the screw, so that the screw fixation is firmer, the screw is not easy to loosen, and the directions of the screw holes I12 and the screw holes II 14 are different, so that the screw is more firmly fixed and is not easy to loosen.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. Novel distal radius steel sheet, including steel sheet (1), its characterized in that: a hollow groove (11) is formed in the front end portion of the steel plate (1) in a penetrating mode, three screw holes I (12) are formed in the front end portion of the steel plate (1) in a penetrating mode, the three screw holes I (12) are sequentially arranged from top to bottom, a screw hole II (14) is formed in the front end portion of the steel plate (1) in a penetrating mode, an inner concave layer (15) is fixedly installed on the inner side wall of the screw hole II (14), and the end portion of the inner concave layer (15) is concave;

the end part of the steel plate (1) is provided with a fixing mechanism capable of adjusting the distance.

2. The novel distal radius plate of claim 1, wherein: the front end of steel sheet (1) runs through and has seted up kirschner wire fixed orifices (13), slot (16) have been seted up to the front end of steel sheet (1), threaded rod one (19) are installed to slot (16) internal rotation that steel sheet (1) was seted up.

3. The novel distal radius plate of claim 2, wherein: two sliding rails (17) are arranged on the side portion of the inner side wall of the slot (16) in a penetrating mode, a sliding groove (18) is arranged on the side portion of the inner side wall of the slot (16) in a penetrating mode, and the sliding groove (18) is located between the two sliding rails (17).

4. The novel distal radius plate of claim 1, wherein: the fixing mechanism comprises an inserting strip (2), two sliding plates (25) are fixedly mounted at the side end parts of the inserting strip (2), and the two sliding plates (25) are respectively positioned in the two sliding rails (17).

5. The novel distal radius plate of claim 4, wherein: the side end of the cutting (2) rotates and is provided with a second threaded rod (23), the circumferential surface of the second threaded rod (23) is provided with two clamping plates (24), and the two clamping plates (24) are respectively positioned in the slot (16) and the sliding groove (18).

6. The novel distal radius plate of claim 5, wherein: the shape of cutting (2) is L shape, the middle part fixed mounting of cutting (2) has dead lever (21), dead lever (21) movable sleeve is established and is installed outside threaded rod one (19).