CN215739179U - Auxiliary device for hip joint replacement operation - Google Patents
Auxiliary device for hip joint replacement operation Download PDFInfo
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- CN215739179U CN215739179U CN202122317095.8U CN202122317095U CN215739179U CN 215739179 U CN215739179 U CN 215739179U CN 202122317095 U CN202122317095 U CN 202122317095U CN 215739179 U CN215739179 U CN 215739179U
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- baffle
- connecting rod
- stewart
- replacement surgery
- needle
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Abstract
An auxiliary device for hip joint replacement surgery comprises a baffle and a support frame, wherein the support frame is connected with the baffle through a Stewart pin; the device has better stability, can ensure that the acetabulum is better and fully exposed, and is convenient for operation; and the operation can be completed by only 2 people, thereby reducing the number of people on the operation table and saving manpower.
Description
Technical Field
The utility model relates to the technical field of medical treatment, in particular to an auxiliary device for hip joint replacement surgery.
Background
The hip joint replacement surgery is complicated, because hip muscle and adipose tissue are hypertrophic, the operation visual field is difficult to expose, generally need 4 with surgical instruments such as acetabulum drag hook to strut the incision to expose acetabulum and skeleton near-end position and carry out the operation, because the number of people that the platform needs in the operation is more, consequently consumed more manpower, and the fixity is not good, often will relocate the acetabulum drag hook in the art, increase the risk of operation time and soft tissue and nerve blood vessel damage, consequently, it is especially important to design a medical instrument that stability is strong, can make the acetabulum fully expose and can use manpower sparingly again.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the present invention is to provide an auxiliary device for hip replacement surgery, which can effectively solve the problems mentioned in the background art.
In order to solve the problems, the technical scheme adopted by the utility model is as follows: the utility model provides an auxiliary device for hip joint replacement operation, includes baffle and support frame, the support frame passes through the stewart's needle and is connected with the baffle, its characterized in that, the stewart's needle is connected with the baffle, the support frame includes connecting rod and universal, the universal cover is located on the stewart's needle, the connecting rod rotates with the universal to be connected.
Preferably, the Steiner needle has a diameter of 2mm to 6mm and a length of 16cm to 25 cm.
Preferably, the outer surface of the lower end of the Stewart pin is provided with threads.
Preferably, the baffles are plane rectangles or cambered surface rectangles, and the number of the baffles is 3, and the baffles are arranged in a triangular shape.
Preferably, one side of the baffle is provided with 2 lugs which are respectively arranged at the upper end and the lower end of the baffle, the lugs are provided with through holes, and the Stewart pins are inserted into and penetrate through the through holes.
Preferably, the connecting rod is straight or arched.
Preferably, the connecting rod has a diameter of 6mm to 12mm and a length of 20cm to 40 cm.
Preferably, the support frame is arranged at the upper end and the lower end of the baffle plate.
Compared with the prior art, the utility model provides an auxiliary device for hip replacement surgery, which has the following beneficial effects:
1. the device is integrally designed into a triangular frame body, so that the device provides stronger stability and increases the pulling resistance of the Steiner needle, the Steiner needle penetrates through a lug inserted into one side of the baffle plate, and the Steiner needle is placed into the acetabulum through a thread part on the outer surface of the lower end so as to be firmly connected with the acetabulum, so that the stability of the device for propping open soft tissues is enhanced;
2. the rectangular baffle with the straight surface or the cambered surface increases the contact surface with soft tissues, so that the acetabulum is better and fully exposed, and the operation is convenient;
3. the operation can be completed by only 2 people by using the device, thereby reducing the number of people on the operation table and saving manpower.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of part A of the present invention;
FIG. 3 is a schematic view of a portion of the present invention;
FIG. 4 a is a top view of the cambered surface rectangular baffle of the present invention;
FIG. 4 b is a perspective view of a rectangular baffle of the utility model having a curved surface;
fig. 5 is a schematic view of an arch connector rod of the present invention.
Wherein: 1. the device comprises a baffle plate, 1-1, a lug, 2, a Stewart pin, 3, a connecting rod, 4 and a universal piece.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, the utility model provides an auxiliary device for hip joint replacement surgery, which comprises a baffle plate 1 and a support frame, wherein the support frame is connected with the baffle plate 1 through a Stewart pin 2, and is characterized in that the Stewart pin 2 is connected with the baffle plate 1, the support frame comprises a connecting rod 3 and a universal piece 4, the universal piece 4 is sleeved on the Stewart pin 2, and the connecting rod 3 is rotatably connected with the universal piece 4.
The universal piece 4 can drive the connecting rod 3 to move up and down and rotate on the Steiner, so that the angle required in the operation can be conveniently adjusted.
Preferably, the Steiner 2 has a diameter of 2mm to 6mm and a length of 16cm to 25 cm.
Preferably, the external surface of the lower end of the Stewart needle 2 is provided with threads.
Preferably, the baffles 1 are plane rectangles or cambered surface rectangles or plane rectangles and cambered surface rectangles, and the number of the baffles 1 is 3, and the baffles are arranged in a triangular shape.
Wherein, the radian of the rectangular baffle of cambered surface 1 is 25 to 35 degrees, and the radian is preferably 30 degrees, and rectangular baffle of cambered surface 1 is favorable to better exposing the soft subassembly around the acetabulum, and the operation of being convenient for is selected according to actual demand and is used.
Preferably, one side of the baffle plate 1 is provided with 2 lugs 1-1, the number of the lugs 1-1 is 2, the lugs are respectively arranged at the upper end and the lower end of the baffle plate 1, the lugs 1-1 are provided with through holes, and the Stewart pin 2 is inserted into and penetrates through the through holes.
Preferably, the connecting rod 3 is straight or arched or both.
The arch connecting rod 3 can play a role in avoiding shielding the visual field, and can be selected for use according to actual requirements.
Preferably, the connecting rod 3 has a diameter of 6 to 12mm and a length of 20 to 40 cm.
Preferably, the support frames are provided at the upper and lower ends of the baffle 1.
The support frame is arranged at the upper end and the lower end of the baffle plate 1, and the baffle plate 1 can bear force better to prop open soft tissues around the acetabulum better.
As a specific embodiment of the present invention:
in this embodiment, a Stewart pin 2 having a diameter of 3mm or 4mm and a length of 20cm, and a connecting rod having a diameter of 8mm or 10mm and a length of 30cm are used.
When the acetabulum fixing device is used, three Steiner needles 2 with outer threads at the lower ends are respectively arranged at the upper inner side, the upper outer side and the lower outer side of the acetabulum, the Steiner needles 2 are inserted into the through holes of the lugs on the baffle plate 1 from top to bottom and penetrate through the through holes, wherein inner threads are arranged on the inner walls of the through holes, the outer threads at the lower ends of the Steiner needles 2 are matched and sleeved with the inner threads of the through holes, the Steiner needles 2 are screwed on the acetabulum, the baffle plate 1 is used for strutting soft tissues around the acetabulum, and a cambered surface rectangular baffle plate 1 can be adopted for more fully exposing the soft tissues and reducing surgical errors; universal 4 covers are established on stewart's needle 2, and rotate with connecting rod 3 and be connected, therefore can adjust the height of universal 4 in the vertical direction of stewart's needle 2, and can adjust the angle between connecting rod 3 and the stewart's needle 2, in the art for avoiding connecting rod 3 to shelter from the field of vision, can adopt arch-shaped connecting rod 3 according to actual need, for making the device have better stability, connecting rod 3 connects into triangular support frame with universal 4, locates the upper and lower both ends of baffle 1 respectively.
The device has small damage probability to peripheral nerves and blood vessels of acetabulum, reduces the pain of patients and treatment cost, adopts stainless steel or aluminum metal materials, and can be reused after being sterilized.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides an auxiliary device for hip joint replacement operation, includes baffle (1) and support frame, the support frame passes through the stewart's needle (2) and is connected with baffle (1), its characterized in that, stewart's needle (2) are connected with baffle (1), the support frame includes connecting rod (3) and universal (4), universal (4) cover is located on stewart's needle (2), connecting rod (3) are rotated with universal (4) and are connected.
2. An aid for hip replacement surgery according to claim 1, characterised in that the schanz wire (2) has a diameter of 2 to 6mm and a length of 16 to 25 cm.
3. An aid for hip replacement surgery according to claim 2, characterised in that the outer surface of the lower end of the Sterling needle (2) is provided with a thread.
4. The auxiliary device for hip replacement surgery according to claim 1, characterized in that the baffles (1) are plane rectangles or cambered rectangles, and the number of the baffles (1) is 3, and the baffles are arranged in a triangle.
5. An aid for use in hip replacement surgery according to claim 4, characterised in that the baffle (1) is provided with lugs (1-1) on one side, the number of lugs (1-1) being 2, provided at the upper and lower ends of the baffle (1), respectively, the lugs (1-1) being provided with through holes through which the Stewart's needles (2) are inserted.
6. An aid for hip replacement surgery according to claim 1, characterised in that the connecting rod (3) is straight or arched.
7. An aid for hip replacement surgery according to claim 6, characterised in that the connecting rod (3) has a diameter of 6 to 12mm and a length of 20 to 40 cm.
8. An aid for hip replacement surgery according to claim 1, characterised in that the support brackets are provided at the upper and lower ends of the barrier (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122317095.8U CN215739179U (en) | 2021-09-24 | 2021-09-24 | Auxiliary device for hip joint replacement operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122317095.8U CN215739179U (en) | 2021-09-24 | 2021-09-24 | Auxiliary device for hip joint replacement operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215739179U true CN215739179U (en) | 2022-02-08 |
Family
ID=80090517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122317095.8U Active CN215739179U (en) | 2021-09-24 | 2021-09-24 | Auxiliary device for hip joint replacement operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215739179U (en) |
-
2021
- 2021-09-24 CN CN202122317095.8U patent/CN215739179U/en active Active
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