Combined fracture fixator
By introducing an adjustable slide rod and rotating mechanism into the combined fracture fixer, the problem of the clamping size cannot be adjusted in the prior art is solved, and flexible fixation and stable clamping of different fingers is achieved, which improves the applicability and Easy to use.
Patent Information
- Application Number
- CN202420478602.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-13
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-03-13
AI Technical Summary
The clamping size of the existing combined fracture fixtures cannot be adjusted, which can only be fixed with matching diameter fingers, resulting in the need of customizing different fixtures for fractures of different fingers, which is very inconvenient.
A combined fracture fixer including arc plate, slide rod, rotary rod and limiting mechanism is designed. The circular pin and slide rod are driven to move the circular pin and slide rod, adjust the clamping distance, and push the insertion rod through the spring. Insert with the limit hole to maintain clamping stability.
It realizes flexible fixation of fracture sites of different diameters, enhances applicability, and maintains clamping stability, making it convenient for the use of different fingers.
Smart Images
Figure CN222285715U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fracture fixators, in particular to a combined fracture fixator. Background Art
[0002] When a finger is fractured, it is necessary to wear a finger fixator to fix the finger and speed up the recovery speed and effect. However, the clamping size of the current combined fracture fixator cannot be adjusted, so it can only fix fingers with matching diameters. Therefore, different finger fractures require customized different fixators, which is very inconvenient. Utility Model Content
[0003] In view of the problems existing in the above-mentioned existing combined fracture fixators, the present utility model is proposed.
[0004] Therefore, the purpose of the utility model is to provide a combined fracture fixator, which solves the problem that the clamping size of the combined fracture fixator in the prior art cannot be adjusted, so it can only fix fingers with matching diameters. Therefore, different finger fractures require customized different fixators, which is very inconvenient.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A combined fracture fixator, comprising two arc-shaped plates, the two arc-shaped plates are symmetrically arranged from top to bottom, connecting plates are fixedly arranged on both sides of the two arc-shaped plates, the two ends of the connecting plates on both sides are connected by bolt thread locking, the inner walls of the two sides of the lower arc-shaped plate are fixedly arranged with fixing rods, the upper ends of the fixing rods are fixedly arranged with a first clamping plate, the two ends of the upper arc-shaped plate are movably sleeved with sliding rods, the lower ends of the sliding rods are fixedly arranged with a second clamping plate, a cross plate is fixedly arranged between the upper ends of the two sliding rods, and a strip-shaped opening is opened on the front side of the cross plate;
[0007] A fixed plate is fixedly arranged in the middle of the upper surface of the arc-shaped plate on the upper side, a rotating rod is rotatably arranged in the middle of the fixed plate, and a transmission mechanism for driving the horizontal plate to move up and down is arranged at the front end of the rotating rod;
[0008] A limiting mechanism for limiting the rotation of the rotating rod is arranged on the rear side of the fixing plate.
[0009] Preferably, the transmission mechanism comprises a turntable and a round pin, the turntable is fixedly sleeved on the front end of the rotating rod, the round pin is eccentrically arranged on the front side of the turntable, and the front end of the round pin extends to the inner side of the strip-shaped opening.
[0010] Preferably, the limiting mechanism includes an insertion rod, a fixed shell and a block, the fixed shell is arranged on the lower side of the rear end of the rotating rod, one side of the fixed shell is fixedly connected to the vertical plate, the block is slidably arranged on the inner side of the fixed shell, the insertion rod is fixedly sleeved in the middle of the block, both ends of the insertion rod extend to the outside of the cavity, the rear end side wall of the rotating rod is provided with a plurality of sockets distributed in a circular array, and the upper end of the insertion rod is plugged into the corresponding sockets.
[0011] Preferably, a spring is fixedly provided on the lower surface of the stopper, and the other end of the spring is fixedly connected to the inner wall of the fixed shell.
[0012] Preferably, the front end of the round pin is fixedly sleeved with two retaining rings.
[0013] Preferably, a pull block is fixedly provided at the lower end of the insertion rod.
[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0015] 1. The utility model, by rotating the rotating rod, makes the rotating disk drive the round pin to rotate with the rotating rod as the axis, that is, it can drive the horizontal plate to move, and the horizontal plate drives the two sliding rods to move, that is, it can drive the two second splints to move relative to the first splint, that is, it can adjust the clamping distance, which is convenient for fixing fracture parts of different diameters, and has strong applicability.
[0016] 2. The utility model, in a natural state, uses the spring force to push the insertion rod to move, so that the insertion rod is plugged into the corresponding insertion hole, thereby limiting the rotation rod and maintaining the stability of the clamping of the first clamping plate and the second clamping plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0018] Figure 1 This is a structural schematic diagram of a combined fracture fixator proposed by the utility model;
[0019] Figure 2 for Figure 1 A rear view structural diagram of ;
[0020] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A in the middle.
[0021] Description of reference numerals:
[0022] 1. Arc plate; 2. Fixed rod; 3. First clamping plate; 4. Sliding rod; 5. Second clamping plate; 6. Horizontal plate; 7. Fixed plate; 8. Rotating rod; 9. Rotating plate; 10. Round pin; 11. Pull block; 12. Fixed shell; 13. Stop block; 14. Insert rod; 15. Spring; 16. Connecting plate; 17. Bolt. DETAILED DESCRIPTION
[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0024] The utility model discloses a combined fracture fixator.
[0025] Embodiment 1
[0026] Reference Figure 1-3 A combined fracture fixator comprises two arc-shaped plates 1, which are symmetrically arranged from top to bottom, and a connecting plate 16 is fixedly arranged on both sides of the two arc-shaped plates 1, and the two ends of the connecting plates 16 on both sides are threadedly locked and connected by bolts 17, and the inner walls of both sides of the lower arc-shaped plate 1 are fixedly arranged with a fixing rod 2, and the upper end of the fixing rod 2 is fixedly arranged with a first clamping plate 3, and the two ends of the upper arc-shaped plate 1 are movably sleeved with a sliding rod 4, and the lower end of the sliding rod 4 is fixedly arranged with a second clamping plate 5, and a horizontal plate 6 is fixedly arranged between the upper ends of the two sliding rods 4, and a strip-shaped opening is opened on the front side of the horizontal plate 6;
[0027] A fixing plate 7 is fixedly arranged in the middle of the upper surface of the upper arc-shaped plate 1 , and a rotating rod 8 is rotatably arranged in the middle of the fixing plate 7 .
[0028] Embodiment 2
[0029] Reference Figure 1-3 The front end of the rotating rod 8 is provided with a transmission mechanism for driving the horizontal plate 6 to move up and down. The transmission mechanism includes a rotating disk 9 and a round pin 10. The rotating disk 9 is fixedly sleeved on the front end of the rotating rod 8. The round pin 10 is eccentrically arranged on the front side of the rotating disk 9. The front end of the round pin 10 extends to the inner side of the strip-shaped mouth. The front end of the round pin 10 is fixedly sleeved with two retaining rings to prevent the round pin 10 from slipping out of the strip-shaped mouth as much as possible.
[0030] Embodiment 3
[0031] Reference Figure 1-3A limiting mechanism for limiting the rotation of the rotating rod 8 is provided on the rear side of the fixed plate 7. The limiting mechanism includes an insertion rod 14, a fixed shell and a stopper 13. The fixed shell 12 is arranged on the lower side of the rear end of the rotating rod 8. One side of the fixed shell 12 is fixedly connected to the vertical plate. The stopper 13 is slidably arranged on the inner side of the fixed shell 12. The insertion rod 14 is fixedly sleeved in the middle part of the stopper 13. Both ends of the insertion rod 14 extend to the outside of the cavity. The rear end side wall of the rotating rod 8 is distributed in a circular array and is provided with a plurality of sockets. The upper end of the insertion rod 14 is plugged into the corresponding socket. A spring 15 is fixedly arranged on the lower surface of the stopper 13. The other end of the spring 15 is fixedly connected to the inner wall of the fixed shell 12, so that the insertion rod 14 and the socket are more firmly plugged. A pull block 11 is fixedly arranged on the lower end of the insertion rod 14 to facilitate pulling the insertion rod 14.
[0032] In the utility model, when in use, the rotating rod 11 is rotated, so that the rotating disk 9 drives the round pin 10 to rotate with the rotating rod 8 as the axis, that is, it can drive the cross plate 6 to move, and the cross plate 6 drives the two sliding rods 4 to move, that is, it can drive the two second clamping plates 5 to move relative to the first clamping plate 3, that is, it can adjust the clamping distance, which is convenient for fixing fracture parts of different diameters, and has strong applicability. In the natural state, the elastic force of the spring 15 pushes the insertion rod 14 to move, that is, the insertion rod 14 is plugged into the corresponding jack, that is, the rotation rod 11 is limited, that is, the stability of the clamping of the first clamping plate 3 and the second clamping plate 5 can be maintained.
[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A combined fracture fixator, comprising two arc-shaped plates (1), characterized in that: The two arc-shaped plates (1) are symmetrically arranged from top to bottom, and connecting plates (16) are fixedly arranged on both sides of the two arc-shaped plates (1), and the two ends of the connecting plates (16) on both sides are threadedly locked and connected by bolts (17). The inner walls of the two sides of the lower arc-shaped plate (1) are fixedly arranged with fixing rods (2), and the upper ends of the fixing rods (2) are fixedly arranged with a first clamping plate (3). The two ends of the upper arc-shaped plate (1) are movably sleeved with sliding rods (4), and the lower ends of the sliding rods (4) are fixedly arranged with a second clamping plate (5). A transverse plate (6) is fixedly arranged between the upper ends of the two sliding rods (4), and a strip-shaped opening is opened on the front side of the transverse plate (6); A fixed plate (7) is fixedly arranged in the middle of the upper surface of the arc-shaped plate (1) on the upper side, a rotating rod (8) is rotatably arranged in the middle of the fixed plate (7), and a transmission mechanism for driving the horizontal plate (6) to move up and down is arranged at the front end of the rotating rod (8); A limiting mechanism for limiting the rotation of the rotating rod (8) is provided on the rear side of the fixing plate (7).
2. The combined fracture fixator according to claim 1, characterized in that: The transmission mechanism comprises a rotating disk (9) and a round pin (10); the rotating disk (9) is fixedly sleeved on the front end of the rotating rod (8); the round pin (10) is eccentrically arranged on the front side of the rotating disk (9); and the front end of the round pin (10) extends to the inner side of the strip-shaped opening.
3. The combined fracture fixator according to claim 1, characterized in that: The limiting mechanism comprises an insertion rod (14), a fixed shell (12) and a stopper (13); the fixed shell (12) is arranged at the lower side of the rear end of the rotating rod (8); one side of the fixed shell (12) is fixedly connected to the vertical plate; the stopper (13) is slidably arranged on the inner side of the fixed shell (12); the insertion rod (14) is fixedly sleeved in the middle of the stopper (13); both ends of the insertion rod (14) extend to the outside of the cavity; a plurality of insertion holes are arranged on the rear end side wall of the rotating rod (8) in a circular array; the upper end of the insertion rod (14) is plugged into the corresponding insertion holes.
4. The combined fracture fixator according to claim 3, characterized in that: A spring (15) is fixedly arranged on the lower surface of the stopper (13), and the other end of the spring (15) is fixedly connected to the inner wall of the fixed shell (12).
5. The combined fracture fixator according to claim 2, characterized in that: The front end of the round pin (10) is fixedly sleeved with two retaining rings.
6. The combined fracture fixator according to claim 3, characterized in that: A pull block (11) is fixedly provided at the lower end of the insertion rod (14).