CN216021319U - Single-arm finger joint type fixing support - Google Patents
Single-arm finger joint type fixing support Download PDFInfo
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- CN216021319U CN216021319U CN202121072820.3U CN202121072820U CN216021319U CN 216021319 U CN216021319 U CN 216021319U CN 202121072820 U CN202121072820 U CN 202121072820U CN 216021319 U CN216021319 U CN 216021319U
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- support body
- locking nut
- screw rod
- adjusting screw
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Abstract
The utility model relates to the field of medical instruments, in particular to a single-arm finger joint type fixing support which comprises a support body I and a support body II, wherein a universal head I is arranged at the tail part of the support body I, a universal head II is arranged at the tail part of the support body II, the universal head I is in threaded connection with a locking nut I, the universal head II is in threaded connection with a locking nut II, a universal rod is connected between the locking nut I and the locking nut II, a limiting piece I for limiting an upper knob of an adjusting screw rod I is arranged at the upper end of the head part of the support body I, a pin I is arranged at the upper end of the tail part of the support body I, a limiting piece I for limiting an upper knob of an adjusting screw rod II is arranged at the upper end of the head part of the support body II, and a pin II is arranged at the upper end of the tail part of the support body II. The utility model is suitable for correcting finger joints and fixing fractures, has stable and reliable structure, simple and convenient operation and good flexibility, and has good effects on correcting finger joints and curing fractures.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a single-arm finger joint type fixing support.
Background
At present, domestic external fixing supports for hands and feet are mainly used for orthopedic and fracture fixation of bones of hands and feet, and the main forms of the external fixing supports for hands and feet are divided into two types: the combined type single-arm fixing support is widely applied due to the fact that the single-arm fixing support is simple in shape and convenient and light to mount, but the lead screw is prone to falling off in the using process, and discomfort can occur after the lead screw is mounted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects and provides a single-arm knuckle type fixing support which is suitable for correcting knuckles and fixing fractures.
In order to overcome the defects in the background art, the technical scheme adopted by the utility model for solving the technical problems is as follows: a single-arm finger joint type fixing support comprises a support body I and a support body II, wherein a first adjusting screw rod is arranged in the support body I in a penetrating mode, the first adjusting screw rod is connected with the head and the tail of the support body I, a first sliding block is sleeved on the first adjusting screw rod, a second adjusting screw rod is arranged in the support body II in a penetrating mode, the second adjusting screw rod is connected with the head and the tail of the support body I, a second sliding block is sleeved on the second adjusting screw rod, the tail of the support body I is connected with a first universal head, the tail of the support body II is connected with a second universal head, the first universal head is in threaded connection with a first locking nut, the second universal head is in threaded connection with a second locking nut, a universal rod is clamped between the first locking nut and the second locking nut, a first limiting piece for limiting an upper knob of the first adjusting screw rod is arranged at the upper end of the head of the support body, a first pin is arranged at the upper end of the tail of the support body, and the upper end of the head part of the second support body is provided with a second limiting piece for limiting the knob on the second adjusting screw rod, and the upper end of the tail part of the second support body is provided with a second pin.
The upper end face of the sliding block I is provided with a first needle hole group, and the side face of the sliding block I is provided with a first bone needle locking nut.
And further comprising a second pin hole group arranged on the upper end surface of the second sliding block and a second bone pin locking nut arranged on the side surface.
The bone needle locking nut I and the bone needle locking nut II are of structures with external threads.
The bracket further comprises a bracket body I and a bracket body II which are both of a structure with hollow two ends and a groove in the middle.
The utility model has the beneficial effects that: the double-support-bracket-body structure is suitable for correcting finger joints and fixing fractures, can realize flexible adjustment and locking, has the function of limiting and releasing the adjusting screw rod by arranging the pin and the limiting piece, and is reliable in structural stability.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
the universal joint comprises, by weight, 1-1 parts of a first support body, 1-2 parts of a second support body, 2-1 parts of a first adjusting screw rod, 2-2 parts of a second adjusting screw rod, 3-1 parts of a first sliding block, 3-2 parts of a second sliding block, 4-1 parts of a first needle hole group, 4-2 parts of a second needle hole group, 5-1 parts of a first bone needle locking nut, 5-2 parts of a second bone needle locking nut, 6-1 parts of a first limiting sheet, 6-2 parts of a second limiting sheet, 7-1 parts of a first pin, 7-2 parts of a second pin, 8-1 parts of a first universal head, 8-2 parts of a second universal head, 9-1 parts of a first locking nut, 9-2 parts of a second locking nut, and 10 parts of a universal rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a single-arm finger joint type fixing bracket comprises a bracket body I1-1 and a bracket body II 1-2, an adjusting screw rod I2-1 is arranged in the bracket body I1-1 in a penetrating way, the adjusting screw rod I2-1 is connected with the head part and the tail part of the bracket body I1-1, the first adjusting screw rod 2-1 is sleeved with the first sliding block 3-1, the second adjusting screw rod 2-2 is inserted into the second bracket body 1-2, the second adjusting screw rod 2-2 is connected with the head and the tail of the first bracket body 1-1, the second sliding block 3-2 is sleeved on the second adjusting screw rod 2-2, and by adopting the structure, the first adjusting screw rod 2-1 and the first adjusting screw rod 2-2 can be stretched and pressed, and the distance adjusting range is larger.
The tail of the first support body 1-1 is connected with a first universal head 8-1, the tail of the second support body 1-2 is connected with a second universal head 8-2, the first universal head 8-1 is in threaded connection with a first locking nut 9-1, the second universal head 8-2 is in threaded connection with a second locking nut 9-2, a universal rod 10 is clamped between the first locking nut 9-1 and the second locking nut 9-2, the upper end of the head of the first support body 1-1 is provided with a first limiting piece 6-1 for limiting an upper knob of a first adjusting screw rod 2-1, the upper end of the tail of the first support body 1-1 is provided with a first pin 7-1, the upper end of the head of the second support body 1-2 is provided with a second limiting piece 6-2 for limiting an upper knob of a second adjusting screw rod 2-2, the upper end of the tail of the second support body 1-2 is provided with a second pin 7-2, by adopting the structure, the first support body 1-1 is connected with the second support body 1-2 through the universal rod 10, the first locking nut 9-1 and the second locking nut 9-2, so that the position can be adjusted and locked, the flexibility is better, and the arranged first pin 7-1, the second pin 7-2, the first limiting piece 6-1 and the second limiting piece 6-2 play a role in strengthening the stability of the first support body 1-1 and the second support body 1-2.
The upper end face of the first sliding block 3-1 is provided with a first needle hole group 4-1, the side face of the first sliding block is provided with a first spicule locking nut 5-1, the upper end face of the second sliding block 3-2 is provided with a second needle hole group 4-2, the side face of the second sliding block is provided with a second spicule locking nut 5-2, the first needle hole group 4-1 and the first spicule group 4-2 are internally provided with spicules in a penetrating mode to achieve locking, and the first spicule locking nut 5-1 and the second spicule locking nut 5-2 are of external thread structures, so that the structure is more compact.
The support body 1-1 and the support body 1-2 are both of a structure with hollow two ends and a groove in the middle, and axial movement of the sliding block 3-1 and the sliding block 3-2 is facilitated.
The working principle is as follows: in the using process, the spicule penetrates through the first needle hole group (4-1) and the second needle hole group (4-2), the required distance is adjusted by adjusting the first adjusting screw rod (1-2) and the second adjusting screw rod (2-2), the universal rod (10) is of a movable structure, the first bracket body (1-1) and the second bracket body (1-2) are adjusted to the required angle, after the spicule is fixed on a bone required to be corrected and fractured, the first spicule locking nut (5-1) and the second spicule locking nut (5-2) are locked by the inner hexagonal wrench, the first locking nut (9-1), the second locking nut (9-2) and the universal rod (10) are locked to enable the bone spicule not to shake, and finally, the first adjusting screw rod (2-1) and the second adjusting screw rod (2-2) are used for pressurizing and locking, this approach can make the bone seam tighter and increase the rate of healing.
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 (5)
1. A single-arm finger joint type fixing support comprises a support body I (1-1) and a support body II (1-2), wherein a first adjusting screw rod (2-1) penetrates through the support body I (1-1), the first adjusting screw rod (2-1) is connected with the head and the tail of the support body I (1-1), a first sliding block (3-1) is sleeved on the first adjusting screw rod (2-1), a second adjusting screw rod (2-2) penetrates through the support body II (1-2), the second adjusting screw rod (2-2) is connected with the head and the tail of the support body I (1-1), the second sliding block (3-2) is sleeved on the second adjusting screw rod (2-2), and the single-arm finger joint type fixing support is characterized in that the tail of the support body I (1-1) is connected with a first universal head (8-1), the tail of the second support body (1-2) is connected with a second universal head (8-2), the first universal head (8-1) is in threaded connection with a first locking nut (9-1), the second universal head (8-2) is in threaded connection with a second locking nut (9-2), a universal rod (10) is clamped between the first locking nut (9-1) and the second locking nut (9-2), a first limiting piece (6-1) for limiting an upper knob of the first adjusting screw rod (2-1) is arranged at the upper end of the head of the first support body (1-1), a first pin (7-1) is arranged at the upper end of the tail of the first support body (1-1), a second limiting piece (6-2) for limiting an upper knob of the second adjusting screw rod (2-2) is arranged at the upper end of the head of the second support body (1-2), and a second pin (7-2) is arranged at the upper end of the tail part of the second bracket body (1-2).
2. A single-armed finger-jointed holding bracket as claimed in claim 1, wherein: the upper end face of the first sliding block (3-1) is provided with a first pin hole group (4-1), and the side face is provided with a first spicule locking nut (5-1).
3. A single-armed finger-jointed holding bracket as claimed in claim 2, wherein: the spicule locking nut I (5-1) and the spicule locking nut II (5-2) are of external thread structures.
4. A single-armed finger-jointed holding bracket as claimed in claim 1, wherein: and a second pin hole group (4-2) is arranged on the upper end surface of the second sliding block (3-2), and a second spicule locking nut (5-2) is arranged on the side surface.
5. A single-armed finger-jointed holding bracket as claimed in claim 1, wherein: the first support body (1-1) and the second support body (1-2) are both of a structure with hollow two ends and a groove in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121072820.3U CN216021319U (en) | 2021-05-19 | 2021-05-19 | Single-arm finger joint type fixing support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121072820.3U CN216021319U (en) | 2021-05-19 | 2021-05-19 | Single-arm finger joint type fixing support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216021319U true CN216021319U (en) | 2022-03-15 |
Family
ID=80614347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121072820.3U Active CN216021319U (en) | 2021-05-19 | 2021-05-19 | Single-arm finger joint type fixing support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216021319U (en) |
-
2021
- 2021-05-19 CN CN202121072820.3U patent/CN216021319U/en active Active
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