CN216167598U - Distraction device that combines under anterior cervical spine route - Google Patents
Distraction device that combines under anterior cervical spine route Download PDFInfo
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- CN216167598U CN216167598U CN202122396768.3U CN202122396768U CN216167598U CN 216167598 U CN216167598 U CN 216167598U CN 202122396768 U CN202122396768 U CN 202122396768U CN 216167598 U CN216167598 U CN 216167598U
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- pusher dog
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- lead screw
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Abstract
The utility model belongs to the technical field of medical equipment, and particularly relates to a cervical vertebra anterior path combined distraction device. The existing cervical vertebra vertebral body distractor is generally in a cross-shaped clamp body type structure, a rack locking structure is arranged when a clamp body is opened and closed, and the opening is positioned and controlled by utilizing a rack locking port to prevent folding; the utility model can adjust the opening position of the pusher dog by utilizing the rotating handle, and can accurately move the pusher dog; the pulling handle can be used for unlocking the rotating angle of the pusher dog, and the angle of the pusher dog can be adjusted, so that the size of a wound is controlled, and the pain of a patient is reduced.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a distraction device combined under an anterior cervical path.
Background
In surgical operations, the anterior cervical spondylosis surgery is one of the commonly used cervical spondylosis treatment operations, aims to reduce pressure, rebuild intervertebral height, recover physiological curvature, fuse unstable segments, and reasonably use the cervical vertebra distractor to help the achievement of the above aims. The existing cervical vertebra distractor is generally a cross-shaped forceps body type structure, a rack locking structure is arranged when forceps bodies of the existing cervical vertebra distractor are opened and closed, the stretching is controlled to be opened by utilizing a rack locking opening to prevent folding, but the stretching length of the stretching device cannot be accurately controlled by the forceps body type distractor, and therefore the stretching device which can control the stretching length in a precision mode is needed, the angle of a pusher dog cannot be adjusted by two of the stretching device, the stretching angle is too large, the wound area of an operation part is increased, and pain is brought to patients.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a distraction device combined under the anterior cervical approach, and solves the technical problems.
The scheme adopted by the utility model is as follows: the utility model provides a strutting arrangement that combines under anterior cervical spine route, includes the support, its characterized in that, the support lateral rotation be connected with two-way lead screw, the horizontal interval sliding connection of support inside wall have with two sets of movable plates of two-way lead screw meshing, two sets of movable plate on longitudinal rotation be connected with the pusher dog, pusher dog axis of rotation one end fixedly connected with adjustment handle, two sets of the movable plate on be provided with locking device for the pusher dog can not move after the adjustment, two-way lead screw axis of rotation fixedly connected with normal running fit's twist grip.
Preferably, locking device include and set up the rectangular channel that corresponds with the pusher dog axis of rotation on the movable plate inside wall, the vertical sliding connection of rectangular channel in have a gag lever post, gag lever post and rectangular channel inside wall between fixedly connected with reset spring, gag lever post one end fixedly connected with circular dish, circular dish on fixedly connected with pull handle.
Preferably, the pusher dog is longitudinally provided with a plurality of groups of runway circular grooves at intervals.
The utility model has the beneficial effects that:
the opening position of the pusher dog can be adjusted by utilizing a rotating handle, so that the pusher dog can be accurately moved;
secondly, the rotating angle of the pusher dog can be unlocked by utilizing the drawing handle, and the angle of the pusher dog can be adjusted, so that the size of a wound is controlled, and the pain of a patient is reduced;
thirdly, simple structure, easy operation, work efficiency improves, has reduced medical staff's labour.
Drawings
Fig. 1 is one of perspective views of the present invention.
Fig. 2 is one of perspective cross-sectional views of the present invention.
Fig. 3 is a partially enlarged view a of fig. 2.
Reference numerals: 1. a support; 2. a bidirectional lead screw; 3. moving the plate; 4. a pusher dog; 5. an adjusting handle; 6. Rotating the handle; 7. a rectangular groove; 8. a limiting rod; 9. a return spring; 10. a circular disc; 11. drawing the handle; 12. a runway circular groove.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities of the present invention will be apparent from the following detailed description of the embodiments, taken in conjunction with the accompanying drawings of fig. 1-3. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The embodiment I, strutting arrangement that combines under anterior cervical spine route, including support 1, its characterized in that, support 1 horizontal rotation be connected with two-way lead screw 2, support 1 inside wall horizontal interval sliding connection have with two sets of movable plates 3 of two-way lead screw 2 meshing, two sets of movable plate 3 on longitudinal rotation be connected with pusher dog 4, 4 axis of rotation one end fixedly connected with adjustment handle 5 of pusher dog, two sets of movable plate 3 on be provided with locking device for the pusher dog 4 can't move after the adjustment, 2 axis of rotation fixedly connected with of two-way lead screw with normal running fit's twist grip 6.
In the second embodiment, on the basis of the first embodiment, the locking device comprises a rectangular groove 7 formed in the inner side wall of the moving plate 3 and corresponding to the rotating shaft of the pusher dog 4, a limiting rod 8 is vertically and slidably connected to the inner side wall of the rectangular groove 7, a return spring 9 is fixedly connected between the limiting rod 8 and the inner side wall of the rectangular groove 7, a circular disc 10 is fixedly connected to one end of the limiting rod 8, and a pull handle 11 is fixedly connected to the circular disc 10.
In the third embodiment, on the basis of the first embodiment, a plurality of sets of track circular grooves 12 are longitudinally arranged on the pusher dog 4 at intervals.
When the device is used, the positions of two groups of moving plates 3 can be adjusted by rotating the handle 6, because the thread directions of two ends of the bidirectional screw rod 2 are opposite, the two groups of moving plates 3 move relatively, when the angle of the pusher dog 4 needs to be adjusted, the pulling handle 11 is pulled up against the reset spring 9, at the moment, the limiting rod 8 moves along with the pulling handle to avoid contact with the rotating shaft of the pusher dog 4, the angle of the pusher dog 4 is adjusted by the adjusting handle 5, after the adjustment is finished, the pulling handle 11 is loosened, the limiting rod 8 is reset to be in contact with the rotating shaft of the pusher dog 4 under the action of the elastic force of the reset spring 9, the rotating shaft of the pusher dog 4 is locked, the pusher dog 4 can not move continuously, a plurality of limiting holes matched with the limiting rod 8 can be arranged on the rotating shaft of the pusher dog 4 at intervals along the circumferential direction, the locking is firmer, a plurality of runway circular grooves 12 are arranged on the pusher dog 4 to reduce the weight of the pusher dog, is convenient to move.
The above description is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.
Claims (3)
1. The utility model provides a strutting arrangement that combines under anterior cervical spine route, includes support (1), its characterized in that, support (1) horizontal rotation be connected with two-way lead screw (2), support (1) inside wall horizontal interval sliding connection have with two sets of movable plates (3) of two-way lead screw (2) meshing, two sets of movable plate (3) on longitudinal rotation be connected with pusher dog (4), pusher dog (4) axis of rotation one end fixedly connected with adjustment handle (5), two sets of movable plate (3) on be provided with locking device for can not move after pusher dog (4) adjustment, two-way lead screw (2) axis of rotation fixedly connected with normal running fit's twist grip (6).
2. The distraction device combined under the anterior cervical approach according to claim 1, wherein the locking device comprises a rectangular groove (7) formed on the inner side wall of the movable plate (3) and corresponding to the rotation axis of the pusher dog (4), a limiting rod (8) is vertically and slidably connected in the rectangular groove (7), a reset spring (9) is fixedly connected between the limiting rod (8) and the inner side wall of the rectangular groove (7), one end of the limiting rod (8) is fixedly connected with a circular disc (10), and a pull handle (11) is fixedly connected on the circular disc (10).
3. The cervical anterior approach inferior combination distraction device according to claim 1, wherein the pusher dog (4) is longitudinally spaced with a plurality of sets of racetrack circular grooves (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122396768.3U CN216167598U (en) | 2021-09-30 | 2021-09-30 | Distraction device that combines under anterior cervical spine route |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122396768.3U CN216167598U (en) | 2021-09-30 | 2021-09-30 | Distraction device that combines under anterior cervical spine route |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216167598U true CN216167598U (en) | 2022-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122396768.3U Active CN216167598U (en) | 2021-09-30 | 2021-09-30 | Distraction device that combines under anterior cervical spine route |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216167598U (en) |
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2021
- 2021-09-30 CN CN202122396768.3U patent/CN216167598U/en active Active
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