CN219763507U - Butterfly type external fixing support for finger contracture - Google Patents
Butterfly type external fixing support for finger contracture Download PDFInfo
- Publication number
- CN219763507U CN219763507U CN202321371913.5U CN202321371913U CN219763507U CN 219763507 U CN219763507 U CN 219763507U CN 202321371913 U CN202321371913 U CN 202321371913U CN 219763507 U CN219763507 U CN 219763507U
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- China
- Prior art keywords
- threaded rod
- guide rail
- connector
- butterfly
- type external
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- 206010062575 Muscle contracture Diseases 0.000 title abstract description 13
- 208000006111 contracture Diseases 0.000 title abstract description 13
- 230000000694 effects Effects 0.000 abstract description 3
- 210000003811 finger Anatomy 0.000 description 11
- 230000002349 favourable effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004553 finger phalanx Anatomy 0.000 description 1
- 210000000811 metacarpophalangeal joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model provides a butterfly-type external fixing support for finger contracture, and relates to the field of medical appliances. This butterfly formula finger is bent and is indicated contracture external fixation support, including first threaded rod, first threaded rod one side is provided with two guide rails, two the guide rail bottom is provided with hollow rivet, two the spout has all been seted up to the guide rail is inside, two guide rail top one side all is provided with first connector, two the guide rail outside all is provided with the second threaded rod, two the second threaded rod top all is provided with and is used for carrying out spacing adjusting part to the second threaded rod, second threaded rod outside cover is equipped with a plurality of needle presss from both sides. The butterfly-type finger curl contracture external fixing support realizes the angle adjustment of the needle clamp, thereby adjusting the Kirschner wire, having simple structure and convenient use, and enabling the Kirschner wire to generate continuous drafting force so as to achieve good correcting effect.
Description
Technical Field
The utility model relates to a fixed support, in particular to a butterfly-type external fixed support for finger flexion contracture, and belongs to the technical field of medical appliances.
Background
The finger flexion contracture refers to the fact that part or all of the metacarpophalangeal tendinous is thickened and shortened due to the proliferation of scar tissues, so that the metacarpophalangeal joints and the proximal interphalangeal joints generate flexion contracture, and the skin is hard and wrinkled. In middle-aged or elderly people, men are more than women, with most of the ring fingers, and the second is little, indicating that the middle finger, thumb are less
The finger bone correction is needed to be carried out on patients with interphalangeal joint buckling contracture deformity through auxiliary correction instruments, in the prior art, most of auxiliary correction instruments are complex in structure, inconvenient to use, low in adjustment precision, difficult to control in pulling amplitude when pulling finger bones, and easy to cause secondary injury.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to solve the problems that most auxiliary correction apparatuses in the prior art are complex in structure, inconvenient to use, low in adjustment precision, difficult to control in pulling amplitude and easy to cause secondary injury.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a butterfly type finger curl contracture external fixation support, includes first threaded rod, first threaded rod one side is provided with two guide rails, two the guide rail bottom is provided with hollow rivet, hollow rivet runs through two guide rail bottoms and rotates with two guide rails and be connected, two the spout has all been seted up to the guide rail is inside, two guide rail top one side all is provided with first connector, first threaded rod runs through two first connectors respectively and with two first connector sliding connection, two the guide rail outside all is provided with the second threaded rod, two the second threaded rod top all is provided with and is used for carrying out spacing adjusting part to the second threaded rod, second threaded rod outside cover is equipped with a plurality of needle and presss from both sides.
Preferably, a plurality of adjusting nuts are connected to the outer side of the first threaded rod in a threaded manner, the adjusting nuts are respectively contacted with two sides of the two first connectors, so that the adjusting nuts can be rotated conveniently, the adjusting nuts limit the first connectors, and the first connectors are fixed.
Preferably, two equal threaded connection in guide rail top has positioning bolt, two positioning bolt runs through two first connectors respectively and rotates with two first connectors to be connected, two equal threaded connection in positioning bolt rear end has the nut, makes positioning bolt connect guide rail and first connector, is favorable to fixing first connector.
Preferably, the adjusting component comprises a second connector and a limiting nut, the second connector is fixedly connected to the top end of the second threaded rod, and the second connector is arranged on one side of the guide rail, so that the guide rail limits the second threaded rod.
Preferably, the internal threaded connection of second connector has a limit bolt, limit bolt runs through the second connector and with second connector sliding connection, limit bolt runs through the spout and with spout sliding connection, limit bolt bottom threaded connection has a limit nut, limit nut sets up in the guide rail opposite side, carries out spacingly to the second threaded rod, adjusts the angle of second threaded rod.
Preferably, a plurality of fixation nuts are connected to the outer side threads of the second threaded rod, and the fixation nuts are respectively arranged on two sides of the needle clamp, so that the needle clamp is limited.
Preferably, a plurality of clamping grooves are formed in the needle clamp, and Kirschner wires are arranged in the clamping grooves of the needle clamp, so that the Kirschner wires are clamped and fixed conveniently, and the stability is improved.
The utility model provides a butterfly-type external fixing bracket for finger flexion contracture, which has the following beneficial effects:
1. in the operation process of the butterfly-type finger flexion external fixation support, a positioning needle is arranged at the rotation center of a knuckle joint, a guide needle is penetrated into the knuckle, the Kirschner wire is bent by a needle holding clamp, the Kirschner wire is clamped by a needle clamp, and a fixation nut is rotated to limit the needle clamp, so that the Kirschner wire is fixed, and 6 to 9 Kirschner wires can be fixed at the same time.
2. This butterfly formula finger is bent and is indicated contracture external fixation support, install the guide rail then, make hollow rivet aim at the pilot pin, and make the spout that the guide rail is inside set up be connected with first connector, pass first connector and first threaded rod through with positioning bolt and be connected first connector, rotate adjusting nut and adjust the position of first connector, and drive the guide rail and rotate, make the guide rail drive the second connector and remove, and rotate with this drive second threaded rod, realize the angular adjustment of needle clamp, thereby adjust the kirschner wire, the adjustment scope 60-180, and is simple in structure, and convenient to use, so that it produces continuous drafting force, thereby reach good correction effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a first connector structure according to the present utility model;
FIG. 3 is a schematic view of a second connector structure according to the present utility model;
FIG. 4 is a schematic view of a blind rivet according to the present utility model;
fig. 5 is a top cross-sectional view of a second connector of the present utility model.
[ Main reference numerals Specification ]
1. A first threaded rod; 2. an adjusting nut; 3. positioning bolts; 4. a guide rail; 401. a chute; 5. a first connector; 6. a needle clip; 7. a second threaded rod; 8. a hollow rivet; 9. a limit bolt; 10. a second connector; 11. a limit nut; 12. a k-wire; 13. and (5) fixing a nut.
Detailed Description
The embodiment of the utility model provides a butterfly type external fixing bracket for finger flexion contracture.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, including first threaded rod 1, first threaded rod 1 one side is provided with two guide rails 4, two guide rails 4 bottom is provided with hollow rivet 8, hollow rivet 8 runs through two guide rails 4 bottom and rotates with two guide rails 4 to be connected, spout 401 has all been seted up to two guide rails 4 inside, two guide rail 4 top one side all is provided with first connector 5, first threaded rod 1 runs through two first connectors 5 respectively and with two first connector 5 sliding connection, two guide rail 4 outside all is provided with second threaded rod 7, two second threaded rod 7 top all is provided with the adjusting component that is used for carrying out spacing to second threaded rod 7, second threaded rod 7 outside cover is equipped with a plurality of needle presss from both sides 6, first threaded rod 1 outside threaded connection has a plurality of adjusting nut 2, a plurality of adjusting nut 2 are in contact with two first connector 5 both sides respectively, be favorable to rotate adjusting nut 2, make adjusting nut 2 carry out spacing to first connector 5, thereby to first connector 5 fixed, two guide rail 4 top inside all threaded connection has location bolt 3, and two first connector 3 and two first connector 5 are connected with two first connector 10, and two first connector 10 are connected with first threaded rod 5 are connected to first threaded rod 7, the tip is connected with first threaded rod 10, the tip 10 is connected to first threaded rod 7, tip 10 is connected to first threaded rod 7, tip is fixed, the stop bolt 9 runs through the second connector 10 and with second connector 10 sliding connection, stop bolt 9 runs through spout 401 and with spout 401 sliding connection, stop bolt 9 bottom threaded connection has stop nut 11, stop nut 11 sets up in guide rail 4 opposite side, it is spacing to second threaded rod 7, adjust the angle of second threaded rod 7, a plurality of fixation nuts 13 are threaded connection in the outside of second threaded rod 7, a plurality of fixation nuts 13 set up respectively in a plurality of needle presss from both sides 6 both sides, be favorable to spacing needle clamp 6, the draw-in groove has all been seted up to inside a plurality of needle clamp 6, a plurality of needle clamp 6 draw-in groove is inside all to be provided with the kirschner wire 12, be convenient for carry out the centre gripping to the kirschner wire 12 fixedly, improve stability.
The utility model is used when in use: in the operation process, a positioning needle is arranged at the rotation center of a knuckle joint, the knuckle penetrates into a guide needle, the Kirschner wire 12 is bent by needle holding pliers, the Kirschner wire 12 is clamped by a needle clamp 6, a fixing nut 13 is rotated to enable the fixing nut 13 to limit the needle clamp 6, so that the Kirschner wire 12 is fixed, a guide rail 4 is installed, a hollow rivet 8 is aligned with the positioning needle, a sliding groove 401 formed in the guide rail 4 is connected with a first connecting head 5, the first connecting head 5 and the first threaded rod 1 are connected through the positioning bolt 3 penetrating through the first connecting head 5, the position of the first connecting head 5 is adjusted by rotating an adjusting nut 2, the guide rail 4 is driven to rotate, the guide rail 4 is driven to drive a second connecting head 10 to move, the second threaded rod 7 is driven to rotate by the needle clamp 6, the Kirschner wire 12 is adjusted, the adjusting range is 60-180 degrees, the structure is simple, the continuous drafting force is generated, and a good correcting effect is achieved.
Working principle: in the operation process, a positioning needle is arranged at the rotation center of a knuckle joint, a Kirschner wire 12 is penetrated through a knuckle at the tail end, the Kirschner wire 12 is bent by needle holding pliers, the Kirschner wire 12 is clamped by a needle clamp 6, a fixing nut 13 is rotated to enable the fixing nut 13 to limit the needle clamp 6, so that the Kirschner wire 12 is fixed, a guide rail 4 is installed, a hollow rivet 8 is aligned with the positioning needle, a sliding groove 401 formed in the guide rail 4 is connected with a first connecting head 5, the first connecting head 5 and a first threaded rod 1 are connected through penetrating a positioning bolt 3 through the first connecting head 5, the position of the first connecting head 5 is adjusted by rotating an adjusting nut 2, the guide rail 4 is driven to rotate, the guide rail 4 drives a second connecting head 10 to move, and the second threaded rod 7 is driven to rotate, and the angle adjustment of the needle clamp 6 is realized.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a butterfly formula finger flexion external fixation support, includes first threaded rod (1), its characterized in that: first threaded rod (1) one side is provided with two guide rails (4), two guide rail (4) bottom is provided with hollow rivet (8), hollow rivet (8) run through two guide rail (4) bottoms and rotate with two guide rail (4) and be connected, two spout (401) have all been seted up to guide rail (4) inside, two guide rail (4) top one side all is provided with first connector (5), first threaded rod (1) run through two first connectors (5) respectively and with two first connector (5) sliding connection, two guide rail (4) outside all is provided with second threaded rod (7), two second threaded rod (7) top all is provided with and is used for carrying out spacing adjusting part to second threaded rod (7), second threaded rod (7) outside cover is equipped with a plurality of needle presss from both sides (6).
2. A butterfly-type external fixation stent for finger flexion according to claim 1, characterized in that: the outside threaded connection of first threaded rod (1) has a plurality of adjusting nut (2), and a plurality of adjusting nut (2) respectively with two first connector (5) both sides contact.
3. A butterfly-type external fixation stent for finger flexion according to claim 1, characterized in that: the two guide rails (4) are internally and uniformly threaded with positioning bolts (3), the two positioning bolts (3) respectively penetrate through the two first connecting joints (5) and are rotationally connected with the two first connecting joints (5), and the rear ends of the two positioning bolts (3) are uniformly threaded with nuts.
4. A butterfly-type external fixation stent for finger flexion according to claim 1, characterized in that: the adjusting component comprises a second connector (10) and a limit nut (11), the second connector (10) is fixedly connected to the top end of a second threaded rod (7), and the second connector (10) is arranged on one side of the guide rail (4).
5. A butterfly-type external fixation stent for finger flexion as claimed in claim 4, characterized in that: the utility model discloses a guide rail (4), including second connector (10), second connector (10) internal thread connection has spacing bolt (9), spacing bolt (9) run through second connector (10) and with second connector (10) sliding connection, spacing bolt (9) run through spout (401) and with spout (401) sliding connection, spacing bolt (9) bottom threaded connection has spacing nut (11), spacing nut (11) set up in guide rail (4) opposite side.
6. A butterfly-type external fixation stent for finger flexion according to claim 1, characterized in that: the outside threaded connection of second threaded rod (7) has a plurality of fixation nuts (13), a plurality of fixation nuts (13) set up respectively in a plurality of needle presss from both sides (6) both sides.
7. A butterfly-type external fixation stent for finger flexion according to claim 1, characterized in that: clamping grooves are formed in the needle clamps (6), and Kirschner wires (12) are arranged in the clamping grooves of the needle clamps (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321371913.5U CN219763507U (en) | 2023-05-26 | 2023-05-26 | Butterfly type external fixing support for finger contracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321371913.5U CN219763507U (en) | 2023-05-26 | 2023-05-26 | Butterfly type external fixing support for finger contracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219763507U true CN219763507U (en) | 2023-09-29 |
Family
ID=88136196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321371913.5U Active CN219763507U (en) | 2023-05-26 | 2023-05-26 | Butterfly type external fixing support for finger contracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219763507U (en) |
-
2023
- 2023-05-26 CN CN202321371913.5U patent/CN219763507U/en active Active
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| GR01 | Patent grant |