Cutting positioning equipment for orthopedic joint surgery

By designing a cutting positioning device for orthopedic joint surgery including pad plates, grooves, screws, mobile plates, clamping plates and positioning shells, the problem of limited clamping space and all-round wrapping settings in the prior art affecting surgical operation, and effective positioning and stability of joints of patients with different body types is achieved.

CN222549537UActive Publication Date: 2025-03-04LANGZHONG PEOPLES HOSPITAL
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Patent Information

Application Number
CN202420816339.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2025-03-04
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

The existing joint positioning fixing device for orthopedic surgery has limited clamping space and is not suitable for joint positioning and fixing for patients with different body types. The full-dimensional wrapping setting will affect the surgical operation.

Method used

A cutting and positioning device including a pad plate, groove, screw, movable plate, clamping plate and positioning shell is designed. Through the cooperation of the screw and movable plate, the clamping plate is adjusted and fixed, and the joint positioning of patients with different body types is adapted.

Benefits of technology

This device can effectively clamp and position the joint parts of patients with different body types, improve the success rate of orthopedic joint surgery, and improve the stability and comfort of the equipment through balls, skin care pads, limit rods and other designs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses cutting positioning equipment for orthopedic joint surgery, which comprises a base plate, grooves are arranged on two sides of the top of the base plate, screw rods are movably connected with inner cavities of the grooves, movable plates are in threaded connection with the surfaces of the screw rods, and damping sleeves are fixedly connected with one sides of the inner cavities of the grooves. Through the arrangement of the base plate, the groove, the screw rod, the movable plate, the damping sleeve, the hand wheel, the connecting frame, the clamping plates, the soft cushion, the fixing plate, the positioning shell, the adjusting plate and the bolt, the leg of a patient with joint diseases is placed on the skin care pad, the screw rod is rotated to drive the movable plate to move, the movable plate drives the two clamping plates to get close to each other, and then the leg is fixed. The clamping plate drives the soft cushion to move to one side of the soft cushion to make contact with and clamp the surface of the leg of the joint disease patient, then the bolt is rotated until one end of the bolt is transmitted into the insertion hole in the surface of the adjusting plate, and the joint parts of the patients with different body types can be clamped and positioned in the positioning mode.
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Description

Technical Field

[0001] The utility model relates to the technical field of orthopedic joint surgery auxiliary equipment, in particular to a cutting positioning equipment used for orthopedic joint surgery. Background Art

[0002] Orthopedics is one of the most common departments in major hospitals. It mainly studies the anatomy, physiology and pathology of the musculoskeletal system, and uses drugs, surgery and physical methods to maintain and develop the normal form and function of this system. A large part of the treatment of orthopedic joint diseases depends on surgery. During orthopedic surgery, the joints need to be positioned and fixed to ensure the normal operation.

[0003] For example, the disclosed utility model provides "a joint positioning and fixing device for orthopedic surgery", and its announcement number is: CN211271073U. The patent includes a table and two fixing rods symmetrically welded on both sides of the top of the table, and the tops of the two fixing rods are welded with "U"-shaped fixing plates, and the inner sides of the two fixing plates are rotatably connected to connecting blocks through pins, and the tops of the two connecting blocks are rotatably connected to fixing parts through rotating shafts. The two fixing parts are designed in a split type, and each fixing part can adjust the direction, which increases the adjustment range of the patient's joint during surgery, while avoiding the obstruction caused by the integrated design and reducing the impact on the doctor's operation.

[0004] However, the clamping space of this patent is limited, which makes it inconvenient to position and fix the joints of patients with different body shapes, and the all-round wrapping setting will also affect the surgical operations of orthopedic surgeons. Therefore, the purpose of the utility model is to improve the success rate of orthopedic joint surgery by providing a mechanism that can clamp and position the joints of patients with different body shapes. Utility Model Content

[0005] The purpose of the utility model is to provide a cutting and positioning device for orthopedic joint surgery, which has the advantage of being able to clamp and position the joints of patients of different body sizes, and solves the problem that the existing joint positioning and fixing devices for orthopedic surgery have limited clamping space, are inconvenient to position and fix the joints of patients of different body sizes, and the all-round wrapping setting will also affect the surgical operations of orthopedic surgeons.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a cutting positioning device for orthopedic joint surgery, comprising a pad, grooves are provided on both sides of the top of the pad, the inner cavity of the groove is movably connected with a screw, the surface of the screw is threadedly connected with a movable plate, one side of the inner cavity of the groove is fixedly connected with a damping sleeve, the inner cavity of the damping sleeve is movably connected to the surface of the screw, one end of the screw is fixedly connected with a handwheel, the top of the opposite side of the movable plate is fixedly connected with a connecting frame, the side of the connecting frame away from the movable plate is fixedly connected with a clamping plate, the opposite side of the clamping plate is fixedly connected with a cushion, the two sides of the top of the pad are fixedly connected with a fixing plate, the opposite side of the fixing plate is fixedly connected with a positioning shell, the inner cavity of the positioning shell is movably connected with an adjusting plate, the side of the adjusting plate away from the positioning shell is fixedly connected to the surface of the movable plate, and the front side of the positioning shell is threadedly connected with a bolt.

[0007] Preferably, balls are provided on the top and bottom of the adjustment plate, and a side of the balls away from the adjustment plate contacts the inner wall of the positioning shell.

[0008] Preferably, a skin care pad is fixedly connected to the top of the pad and located between the clamping plates, and the skin care pad is made of latex.

[0009] Preferably, the top and the bottom of one side of the inner cavity of the groove are fixedly connected with a limiting rod, and the limiting rod is connected with the movable plate through.

[0010] Preferably, the front and back sides of the pad are fixedly connected with positioning plates, and the surfaces of the positioning plates are provided with positioning holes.

[0011] Preferably, an anti-skid pad is fixedly connected to the bottom of the pad, and anti-skid patterns are arranged on the bottom of the anti-skid pad.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model places the legs of patients with joint diseases on the skin care pad by arranging a pad, a groove, a screw, a movable plate, a damping sleeve, a hand wheel, a connecting frame, a clamping plate, a cushion, a fixed plate, a positioning shell, an adjusting plate and a bolt, and rotates the screw. The rotation of the screw drives the movable plate to move, and the movable plate drives the two clamping plates to approach each other. The clamping plate drives the cushion to move to one side of the cushion to contact and clamp the surface of the leg of the patient with joint disease. Subsequently, the bolt is rotated until one end of the bolt is inserted into the socket on the surface of the adjusting plate. This positioning method can clamp and position the joints of patients with different body shapes.

[0014] 2. The utility model provides a ball bearing to reduce the friction between the surface of the adjustment plate and the inner wall of the positioning shell, so that the adjustment plate can move more smoothly in the inner cavity of the positioning shell; provides a skin care pad to support the body parts of patients with joint diseases, which can increase the skin comfort of patients with joint diseases; provides a limit rod to limit the moving plate, which can improve the stability of the moving plate when moving; provides a positioning plate, medical staff can use a fastening belt to penetrate it to fix the positioning device on the operating bed; provides an anti-slip pad to increase the friction at the bottom of the pad to prevent the pad from sliding easily on the operating bed due to external force. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic cross-sectional view of the structure of the utility model;

[0017] Figure 3 It is a side view schematic diagram of the positioning shell of the utility model.

[0018] In the figure: 1. pad; 2. groove; 3. screw; 4. movable plate; 5. damping sleeve; 6. hand wheel; 7. connecting frame; 8. clamping plate; 9. cushion; 10. fixing plate; 11. positioning shell; 12. adjusting plate; 13. bolt; 14. ball bearing; 15. skin care pad; 16. anti-slip pad. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The components of the present invention are all common standard components or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0021] See also Figure 1-3, a cutting and positioning device for orthopedic joint surgery, including a pad 1, grooves 2 are opened on both sides of the top of the pad 1, the inner cavity of the groove 2 is movably connected with a screw 3, and the surface of the screw 3 is threadedly connected with a moving plate 4, one side of the inner cavity of the groove 2 is fixedly connected with a damping sleeve 5, the inner cavity of the damping sleeve 5 is movably connected to the surface of the screw 3, one end of the screw 3 is fixedly connected with a hand wheel 6, the top of the opposite side of the moving plate 4 is fixedly connected with a connecting frame 7, the side of the connecting frame 7 away from the moving plate 4 is fixedly connected with a clamping plate 8, the side opposite to the clamping plate 8 is fixedly connected with a soft cushion 9, both sides of the top of the pad 1 are fixedly connected with a fixing plate 10, the side opposite to the fixing plate 10 is fixedly connected with a positioning shell 11, the inner cavity of the positioning shell 11 is movably connected with an adjusting plate 12, the side of the adjusting plate 12 away from the positioning shell 11 is fixedly connected to the surface of the moving plate 4, and the front of the positioning shell 11 is threadedly connected with a bolt 13.

[0022] Ball bearings 14 are disposed on the top and bottom of the adjustment plate 12 , and a side of the ball bearings 14 away from the adjustment plate 12 contacts the inner wall of the positioning shell 11 .

[0023] Through the above technical solution, the balls 14 are provided to reduce the friction between the surface of the adjustment plate 12 and the inner wall of the positioning shell 11 , so that the adjustment plate 12 moves more smoothly in the inner cavity of the positioning shell 11 .

[0024] A skin care pad 15 is fixedly connected to the top of the pad 1 and located between the clamping plates 8. The skin care pad 15 is made of latex.

[0025] Through the above technical solution, by providing a skin care pad 15 to support the body parts of patients with joint diseases, the skin comfort of patients with joint diseases can be increased.

[0026] The top and bottom of one side of the inner cavity of the groove 2 are fixedly connected with a limit rod, and the limit rod is connected with the movable plate 4 through.

[0027] Through the above technical solution, by providing a limiting rod for limiting the movable plate 4, the stability of the movable plate 4 during movement can be improved.

[0028] The front and back sides of the pad 1 are fixedly connected with positioning plates, and the surfaces of the positioning plates are provided with positioning holes.

[0029] According to the above technical solution, by setting the positioning plate, medical staff can use the fastening belt to penetrate into it to fix the positioning device on the operating table.

[0030] The bottom of the backing plate 1 is fixedly connected with an anti-skid pad 16 , and the bottom of the anti-skid pad 16 is provided with anti-skid grooves.

[0031] Through the above technical solution, the anti-skid pad 16 is provided to increase the friction force at the bottom of the pad 1, thereby preventing the pad 1 from sliding easily on the operating table due to external force.

[0032] During use, the medical staff places the legs of the patient with joint disease on the skin care pad 15, and then rotates the screw 3 by hand. The rotation of the screw 3 drives the movable plate 4 to move, and the movable plate 4 drives the two clamping plates 8 to approach each other. The clamping plate 8 drives the cushion 9 to move to one side of the cushion 9 to contact and clamp the surface of the leg of the patient with joint disease. Subsequently, the bolt 13 is rotated until one end of the bolt 13 is inserted into the socket on the surface of the adjustment plate 12, so as to limit and fix the clamping plate 8. Finally, the fastening belt is passed through the positioning hole on the surface of the positioning plate, and the other end of the fastening belt is tied to the edge of the operating bed. This positioning method can clamp and position the joints of patients of different body shapes.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cutting positioning device for orthopedic joint surgery, comprising a backing plate (1), characterized in that: Grooves (2) are provided on both sides of the top of the pad (1); the inner cavity of the groove (2) is movably connected to a screw rod (3); the surface of the screw rod (3) is threadedly connected to a movable plate (4); a damping sleeve (5) is fixedly connected to one side of the inner cavity of the groove (2); the inner cavity of the damping sleeve (5) is movably connected to the surface of the screw rod (3); one end of the screw rod (3) is fixedly connected to a hand wheel (6); the top of the opposite side of the movable plate (4) is fixedly connected to a connecting frame (7); the connecting frame (7) is away from the movable plate (4). A clamping plate (8) is fixedly connected to one side of the positioning shell (11), a soft pad (9) is fixedly connected to the opposite side of the clamping plate (8), a fixing plate (10) is fixedly connected to both sides of the top of the pad (1), a positioning shell (11) is fixedly connected to the opposite side of the fixing plate (10), an adjustment plate (12) is movably connected to the inner cavity of the positioning shell (11), a side of the adjustment plate (12) away from the positioning shell (11) is fixedly connected to the surface of the movable plate (4), and a bolt (13) is threadedly connected to the front side of the positioning shell (11).

2. The cutting positioning device for orthopedic joint surgery according to claim 1, characterized in that: The top and bottom of the adjustment plate (12) are both provided with rolling balls (14), and the side of the rolling balls (14) away from the adjustment plate (12) is in contact with the inner wall of the positioning shell (11).

3. The cutting positioning device for orthopedic joint surgery according to claim 1, characterized in that: A skin care pad (15) is fixedly connected to the top of the pad (1) and located between the clamping plates (8); the skin care pad (15) is made of latex.

4. The cutting positioning device for orthopedic joint surgery according to claim 1, characterized in that: The top and bottom of one side of the inner cavity of the groove (2) are both fixedly connected to a limit rod, and the limit rod is connected through the movable plate (4).

5. The cutting positioning device for orthopedic joint surgery according to claim 1, characterized in that: The front and back sides of the pad (1) are fixedly connected to positioning plates, and positioning holes are provided on the surfaces of the positioning plates.

6. The cutting positioning device for orthopedic joint surgery according to claim 1, characterized in that: The bottom of the backing plate (1) is fixedly connected to an anti-skid pad (16), and the bottom of the anti-skid pad (16) is provided with anti-skid patterns.

Citation Information

Patent Citations

  • Joint positioning and fixing device for orthopedic surgery

    CN211271073U