CN213190026U - Supplementary patella location and device of direction in patella dislocation operation - Google Patents
Supplementary patella location and device of direction in patella dislocation operation Download PDFInfo
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- CN213190026U CN213190026U CN202021627221.9U CN202021627221U CN213190026U CN 213190026 U CN213190026 U CN 213190026U CN 202021627221 U CN202021627221 U CN 202021627221U CN 213190026 U CN213190026 U CN 213190026U
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Abstract
The utility model relates to the technical field of medical equipment, and discloses a device for assisting patella positioning and guiding in a patella dislocation operation, which comprises a rotating frame, wherein a first nut and a second nut can be rotated by rotating the rotating frame, so as to control the first screw rod and the second screw rod to gradually extend out or retract, the first screw rod and the second screw rod gradually extend out or retract and then drive a first arc support and a second arc support to move outwards or inwards, the distance between the top parts of the first arc support and the second arc support is adjusted, thereby adapting to patellas of different individuals, improving the operation efficiency, after the distance between the top parts of the first arc support and the second arc support is adjusted to a proper position, the top parts of the first arc support and the second arc support are clamped on the patella of a patient, then a positioning guide pipe is placed in the first arc support and the second arc support, a Kirschner wire is positioned in the positioning guide pipe, drilling with a needle drill.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically a supplementary patella location and device of direction in the operation of patella dislocation.
Background
At present, repeated dislocation of the patella or habitual dislocation of the patella needs to be treated by operation to correct the dislocation of the patella in most cases. In the operation of dislocating the patella, a tunnel is often formed on the patella by using a kirschner wire so as to facilitate the penetration of a threaded rivet or a steel wire, and the patella is tensioned to the inner side. At present, in the patella dislocation operation, the patella is fixed only by simple tissue forceps, and the path is made by a kirschner wire drill according to experience and feeling, so that the inlet and the outlet of a threaded rivet are not connected, and the path is made for many times, so that a large amount of time is spent, and the damage to the patella bone is large due to the path making for many times;
based on the above, we propose a device for assisting the patella positioning and guiding in the patella dislocation operation, and hopefully solve the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a device of supplementary patella location and direction in the operation of patella dislocation, possess the convenient fixed patella and take the way and can adapt to the advantage of different individual patellas.
(II) technical scheme
In order to realize the above-mentioned purpose that conveniently fixes the patella and take a way and can adapt to different individual patellas, the utility model provides a following technical scheme: a device for assisting patella positioning and guiding in a patella dislocation operation comprises a first arc-shaped support and a second arc-shaped support, wherein the inner walls of the first arc-shaped support and the second arc-shaped support are movably connected with positioning guide pipes, the bottom of the outer wall of the first arc-shaped support is fixedly connected with a first screw rod, the outer wall of the first screw rod is in threaded connection with a first nut, the bottom of the outer wall of the second arc-shaped support is fixedly connected with a second screw rod, the outer wall of the second screw rod is in threaded connection with a second nut, and the first nut and the second nut are respectively and fixedly connected to the left end and the right end of a rotating frame;
the outer wall top fixedly connected with first montant that first arc type held in the palm, the outer wall top fixedly connected with second montant that the second arc type held in the palm, the activity groove has all been seted up to the outer wall of first montant and second montant, the inner wall swing joint in activity groove has the anchorage bar.
As an optimized technical scheme of the utility model, first arc type holds in the palm and the second arc type holds in the palm the contained angle of top both ends and center department all is one hundred twenty degrees.
As an optimized technical scheme of the utility model, the inner wall swing joint of location pipe has the kirschner wire, the end of kirschner wire is provided with the needle and bores.
As a preferred technical scheme of the utility model, the direction of rotation of first screw rod and second screw rod is opposite.
As a preferred technical scheme of the utility model, the outer wall threaded connection of anchorage bar has first bolt and second bolt, first montant and second montant are located between first bolt and the second bolt.
(III) advantageous effects
Compared with the prior art, the utility model provides a supplementary patella location and device of direction in the operation of patella dislocation possesses following beneficial effect:
1. this supplementary device of patella location and direction in the operation of patella dislocation, can make first nut and second nut rotatory through rotating the rotating turret, and then control first screw rod and second screw rod and stretch out gradually or retract gradually, first screw rod and second screw rod stretch out gradually or retract gradually and drive first arc type again and hold in the palm and the outside or move to the inboard with second arc type, adjust the first arc type and hold in the palm the distance between the top with the second arc type, thereby adapt to different individual patellas, improve operation efficiency.
2. This supplementary device of patella location and direction in the operation of patella dislocation, the top card that holds in the palm with first arc type and second arc type holds in the palm on patient's patella, then put into first arc type to the location pipe and hold in the palm with the second arc type, the ke shi needle is located the location pipe inside, use the needle to bore hole, ensure that the entry of belted line rivet and export communicate with each other and be convenient for penetrate of belted line rivet, improve the operation efficiency, reduce the destruction to the patella sclerotin, shorten the operation time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged side view of a portion of the fastener bar of the present invention;
fig. 4 is a partial sectional view of the second arc-shaped bracket of the present invention.
In the figure: 1-a first arc support, 2-a second arc support, 3-a positioning guide pipe, 4-a first screw, 5-a second screw, 6-a first nut, 7-a second nut, 8-a rotating frame, 9-a first vertical rod, 10-a second vertical rod, 11-a movable groove, 12-a fastening rod, 13-a first bolt and 14-a second bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a device for assisting patella positioning and guiding in a patella dislocation operation comprises a first arc-shaped support 1 and a second arc-shaped support 2, wherein the inner walls of the first arc-shaped support 1 and the second arc-shaped support 2 are movably connected with a positioning guide pipe 3, the bottom of the outer wall of the first arc-shaped support 1 is fixedly connected with a first screw rod 4, the outer wall of the first screw rod 4 is in threaded connection with a first nut 6, the bottom of the outer wall of the second arc-shaped support 2 is fixedly connected with a second screw rod 5, the outer wall of the second screw rod 5 is in threaded connection with a second nut 7, and the first nut 6 and the second nut 7 are respectively and fixedly connected to the left end and the right end of a rotating frame 8;
the outer wall top fixedly connected with first montant 9 of 1 is held in the palm to first arc type, and the outer wall top fixedly connected with second montant 10 of 2 is held in the palm to the second arc type, and movable groove 11 has all been seted up to the outer wall of first montant 9 and second montant 10, and the inner wall swing joint in movable groove 11 has anchorage bar 12.
In this embodiment, further, the included angles between the two ends of the top of the first arc-shaped support 1 and the center of the second arc-shaped support 2 are all one hundred twenty degrees, and the positioning guide tube 3 cannot be pulled out from the side surface when being located inside the first arc-shaped support 1 and the second arc-shaped support 2, and can only be pulled out from the bottom or the top.
In this embodiment, furthermore, the inner wall swing joint of location pipe 3 has the kirschner wire, and the end of kirschner wire is provided with the needle and bores, conveniently drills on the patella, fixes a position more accurately.
In this embodiment, further, the rotation directions of the first screw rod 4 and the second screw rod 5 are opposite, and when the rotating frame 8 rotates, the first screw rod 4 and the second screw rod 5 can extend out or retract back simultaneously, so as to adjust the distance between the first arc-shaped support 1 and the second arc-shaped support 2.
In this embodiment, furthermore, the outer wall threaded connection of anchorage bar 12 has first bolt 13 and second bolt 14, and first montant 9 and second montant 10 are located between first bolt 13 and second bolt 14, and when first bolt 13 and second bolt 14 were screwed up, first arc type held in the palm 1 and the unable removal of second arc type support 2, prevent to touch the rotating rack 8 by mistake and lead to the distance between first arc type support 1 and the second arc type support 2 to change in the operation process.
The utility model discloses a theory of operation and use flow:
the first nut 6 and the second nut 7 can be rotated by rotating the rotating frame 8, so that the first screw rod 4 and the second screw rod 5 are controlled to gradually extend out or retract, the first screw rod 4 and the second screw rod 5 gradually extend out or retract and drive the first arc-shaped support 1 and the second arc-shaped support 2 to move outwards or inwards, and the distance between the tops of the first arc-shaped support 1 and the second arc-shaped support 2 is adjusted, so that the patella surgical instrument is suitable for different individuals, and the surgical efficiency is improved;
it is worth mentioning that the outer walls of the tops of the first arc-shaped support 1 and the second arc-shaped support 2 are fixedly connected with a first vertical rod 9 and a second vertical rod 10 respectively, the fastening rod 12 locks the first vertical rod 9 and the second vertical rod 10 through a first bolt 13 and a second bolt 14, when the distance between the first arc-shaped support 1 and the second arc-shaped support 2 is adjusted, the fastening rod 12 needs to be unscrewed first to enable the first arc-shaped support 1 and the second arc-shaped support 2 to move relatively, the stability of the overall structure is further ensured, and the phenomenon that the distance between the first arc-shaped support 1 and the second arc-shaped support 2 changes due to the fact that the rotating frame 8 is touched by mistake in the operation process is prevented;
after the distance between 2 tops is adjusted to suitable position to first arc type support 1 and second arc type, hold in the palm the top card that 1 and second arc type held in the palm 2 with first arc type on the patient patella, then put into first arc type support 1 and second arc type to location pipe 3 and hold in the palm 2 in, the kirschner wire is located inside 3 location pipes, it can to use the needle to bore a hole.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a supplementary patella location and device of direction in patella dislocation operation, includes that first arc type holds in the palm (1) and second arc type holds in the palm (2), its characterized in that: the inner walls of the first arc-shaped support (1) and the second arc-shaped support (2) are movably connected with a positioning guide pipe (3), the bottom of the outer wall of the first arc-shaped support (1) is fixedly connected with a first screw (4), the outer wall of the first screw (4) is in threaded connection with a first nut (6), the bottom of the outer wall of the second arc-shaped support (2) is fixedly connected with a second screw (5), the outer wall of the second screw (5) is in threaded connection with a second nut (7), and the first nut (6) and the second nut (7) are respectively and fixedly connected to the left end and the right end of the rotating frame (8);
the outer wall top fixedly connected with first montant (9) of first arc type support (1), the outer wall top fixedly connected with second montant (10) of second arc type support (2), movable groove (11) have all been seted up to the outer wall of first montant (9) and second montant (10), the inner wall swing joint in movable groove (11) has anchorage bar (12).
2. The device for assisting in the positioning and guiding of a patella in a patellar dislocation procedure according to claim 1, wherein: the included angles between the two ends of the top of the first arc-shaped support (1) and the center of the second arc-shaped support (2) are one hundred twenty degrees.
3. The device for assisting in the positioning and guiding of a patella in a patellar dislocation procedure according to claim 1, wherein: the inner wall of the positioning catheter (3) is movably connected with a Kirschner wire, and the tail end of the Kirschner wire is provided with a needle drill.
4. The device for assisting in the positioning and guiding of a patella in a patellar dislocation procedure according to claim 1, wherein: the rotating directions of the first screw (4) and the second screw (5) are opposite.
5. The device for assisting in the positioning and guiding of a patella in a patellar dislocation procedure according to claim 1, wherein: the outer wall of the fastening rod (12) is in threaded connection with a first bolt (13) and a second bolt (14), and the first vertical rod (9) and the second vertical rod (10) are located between the first bolt (13) and the second bolt (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627221.9U CN213190026U (en) | 2020-08-06 | 2020-08-06 | Supplementary patella location and device of direction in patella dislocation operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627221.9U CN213190026U (en) | 2020-08-06 | 2020-08-06 | Supplementary patella location and device of direction in patella dislocation operation |
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| CN213190026U true CN213190026U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021627221.9U Active CN213190026U (en) | 2020-08-06 | 2020-08-06 | Supplementary patella location and device of direction in patella dislocation operation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027963A (en) * | 2021-12-13 | 2022-02-11 | 郑州大学第一附属医院 | Positioning point-based sacroiliac joint screw positioning auxiliary structure and implanting method |
| CN114027963B (en) * | 2021-12-13 | 2024-04-30 | 郑州大学第一附属医院 | Positioning auxiliary structure and placement method for sacroiliac joint screw based on positioning point |
-
2020
- 2020-08-06 CN CN202021627221.9U patent/CN213190026U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027963A (en) * | 2021-12-13 | 2022-02-11 | 郑州大学第一附属医院 | Positioning point-based sacroiliac joint screw positioning auxiliary structure and implanting method |
| CN114027963B (en) * | 2021-12-13 | 2024-04-30 | 郑州大学第一附属医院 | Positioning auxiliary structure and placement method for sacroiliac joint screw based on positioning point |
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