Incision traction device for orthopedic surgery

By designing an orthopedic surgery incision traction device including a support shell, threaded rod and slider structure, the problems of incision instability and complex surgical operation in the prior art are solved, and more efficient and stable incision traction is achieved.

CN223009178UActive Publication Date: 2025-06-24CHONGQING HANG SENG HAND SURGERY HOSPITAL CO LTD
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Patent Information

Application Number
CN202421665810.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-06-24
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

In existing orthopedic surgery, the incision traction device uses manual clamping and slitting the incision, resulting in incision unstable, affecting surgical operation, and increasing the number of medical staff.

Method used

A incision traction device for orthopedic surgery is designed, including a support shell, a No. 1 support frame and a No. 2 support frame. The incision is stable traction through a specific threaded rod and slider structure, and the use height and number of traction sheets are adjusted through the coordination of the screw and the connecting block.

Benefits of technology

The device effectively increases the stability of the incision traction site, reduces the number of medical staff, simplifies surgical operations, and improves the efficiency of surgery.

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Abstract

The utility model discloses an incision traction device for orthopedic surgery, and relates to the technical field of medical instruments. Comprising a supporting shell, a first supporting frame and a second supporting frame, a first sliding block is arranged on the outer side of a first threaded rod in a penetrating-through-thread mode, a second sliding block is connected to the outer side of a second threaded rod in a penetrating-through-thread mode, and a lead screw is rotationally arranged in the second supporting frame. According to the traction device, the first threaded rod, the second threaded rod, the lead screw and other components are arranged, the first threaded rod rotates to drive the first supporting frame to conduct linear movement of the use position, when the second threaded rod rotates, the second supporting frame can be driven to move up and down, the use height of the traction piece is adjusted, and when the lead screw rotates, the second supporting frame can be driven to move up and down to adjust the use height of the traction piece. The support plate moves away from each other to drive the traction sheet to separate, and the traction sheet can be used for traction of the incision of a surgical patient, so that the stability of the traction position of the incision is effectively improved, and the surgical operation of medical staff is facilitated while the use number of the medical staff is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an incision traction device for orthopedic surgery. Background Art

[0002] Orthopedics is a branch of medicine that focuses on diagnosing and treating diseases involving bones, joints, ligaments, tendons, muscles, and nerves (i.e., the musculoskeletal system). Orthopedic surgeons can treat these diseases in various ways, including drug treatment, physical therapy, surgical treatment, etc. The most common method for treating fracture patients is to perform orthopedic surgery to reduce and fix the fractured part. When performing surgical reduction on fracture patients, the incision traction device for orthopedic surgery is one of the necessary instruments for doctors.

[0003] Currently, during the use of the incision traction device in the prior art in orthopedic surgery, the wound is usually clamped and pried open with forceps or other medical tools. Using forceps to pry open the incision manually not only easily makes the incision unstable, but also is not conducive to the surgical operation of medical staff, and requires an increase in the number of medical staff, which is likely to affect the surgery. To solve this technical problem, the utility model proposes an incision traction device for orthopedic surgery. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide an incision traction device for orthopedic surgery, which can effectively solve the problems mentioned in the background art.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] An incision traction device for orthopedic surgery, including a support shell, a first support frame, and a second support frame. A first threaded rod is rotatably arranged inside the support shell, and a first slider is threadedly arranged through the outside of the first threaded rod. A second threaded rod is rotatably arranged inside the first support frame, and a second slider is threadedly connected through the outside of the second threaded rod. A lead screw is rotatably arranged inside the second support frame.

[0007] Preferably, a fixed shell is arranged on the front of the support shell, and a pressing pad is threadedly arranged through the inside of the fixed shell.

[0008] Preferably, the top end of the first slider is connected to the bottom end of the first support frame, and one side of the second slider is connected to one side of the second support frame.

[0009] Preferably, the outside of the lead screw is provided with left - hand and right - hand threads facing each other, and a connecting block is threadedly connected through the outside of the lead screw. A support plate is arranged at the bottom end of the connecting block, and multiple positioning holes are arranged at the top of the support plate.

[0010] Preferably, a plurality of moving frames are movably arranged on the outer side of the support plate. A positioning column penetrates through the top of the moving frame, and the positioning column is in interference fit and movable connection with the positioning hole.

[0011] Preferably, a traction piece is arranged at the bottom end of the moving frame, and the traction piece is made of plastic.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, by arranging components such as a special No. 1 threaded rod, a No. 2 threaded rod and a lead screw, when the No. 1 threaded rod rotates, the No. 1 slider can drive the No. 1 support frame to linearly move to the use position. When the No. 2 threaded rod rotates, the No. 2 slider can drive the No. 2 support frame to move up and down to adjust the use height of the traction piece. When the lead screw rotates, the two connecting blocks can be adjusted to move closer or farther away. The movement away of the support plate can drive the separation of the traction piece. The traction piece can be used to traction the incision of the surgical patient, effectively increasing the stability of the incision traction site, reducing the number of medical staff used, and facilitating the surgical operation of the medical staff.

[0014] In the utility model, by arranging components such as a moving block and a support plate, the moving frame is movably arranged on the outer side of the support plate. The support plate can linearly limit the movement of the moving frame, facilitating the corresponding increase or decrease of the number of traction pieces used according to the use requirements. The positioning column movably penetrates through the moving frame and inserts into the positioning hole, enabling the positioned movement of the moving frame after adjusting the use position. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structural schematic diagram of an incision traction device for orthopedic surgery of the utility model;

[0016] Figure 2 is the structural schematic diagram of the support shell of an incision traction device for orthopedic surgery of the utility model;

[0017] Figure 3 is the structural schematic diagram of the No. 1 support frame of an incision traction device for orthopedic surgery of the utility model;

[0018] Figure 4 is the structural schematic diagram of the No. 2 support frame of an incision traction device for orthopedic surgery of the utility model;

[0019] Figure 5 is the structural schematic diagram of the traction piece of an incision traction device for orthopedic surgery of the utility model.

[0020] In the figure: 1. Support shell; 2. Fixed shell; 3. Extrusion pad; 4. First threaded rod; 5. First slider; 6. First support frame; 7. Second threaded rod; 8. Second slider; 9. Second support frame; 10. Lead screw; 11. Connecting block; 12. Support plate; 13. Positioning hole; 14. Moving frame; 15. Positioning column; 16. Traction piece. Detailed implementation mode

[0021] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further elaborated below in conjunction with specific implementation modes.

[0022] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, an incision traction device for orthopedic surgery;

[0023] It includes a support shell 1, a first support frame 6 and a second support frame 9. A first threaded rod 4 is rotatably arranged inside the support shell 1. A first slider 5 is threadedly arranged through the outside of the first threaded rod 4. A second threaded rod 7 is rotatably arranged inside the first support frame 6. A second slider 8 is threadedly connected through the outside of the second threaded rod 7. A lead screw 10 is rotatably arranged inside the second support frame 9. The top end of the first slider 5 is connected to the bottom end of the first support frame 6. One side of the second slider 8 is connected to one side of the second support frame 9.

[0024] The first threaded rod 4 is threadedly connected through the first slider 5, and then is movably arranged inside the support shell 1 through the first slider 5 in an embedded manner. The support shell 1 can limit the first slider 5 to move linearly. Thus, when the first threaded rod 4 rotates, the first slider 5 can drive the first support frame 6 to move linearly to the use position. The second slider 8 is movably arranged inside the first support frame 6 in an embedded manner, and then the second slider 8 is threadedly connected to the second threaded rod 7. When the second threaded rod 7 rotates, the use height of the second support frame 9 can be adjusted.

[0025] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, an incision traction device for orthopedic surgery;

[0026] On the front of the support shell 1, a fixed shell 2 is provided. Inside the fixed shell 2, an extrusion pad 3 is threaded through. On the outer side of the lead screw 10, left - hand and right - hand threads are provided oppositely. The outer side of the lead screw 10 is threadedly connected with a connecting block 11 through threads. At the bottom end of the connecting block 11, a support plate 12 is provided. On the top of the support plate 12, multiple positioning holes 13 are opened. On the outer side of the support plate 12, multiple moving frames 14 are movably arranged. Through the top of the moving frame 14, a positioning post 15 is arranged, and the positioning post 15 is movably connected in an embedded manner with the positioning hole 13. At the bottom end of the moving frame 14, a traction piece 16 is provided, and the traction piece 16 is made of plastic material.

[0027] The fixed shell 2 is a U - shaped shell. When rotating the extrusion pad 3 threadedly connected inside the fixed shell 2, by adjusting the use position of the extrusion pad 3 inside the fixed shell 2, the fixed shell 2 can be assembled and installed on a surgical operating bed by using the extrusion pad 3, and the incision traction device can be installed. The left - hand and right - hand threads opened on the outer side of the lead screw 10 are respectively threadedly connected with two connecting blocks 11 through threads, and the connecting block 11 is movably located inside the second support frame 9 in an embedded manner. When rotating the lead screw 10, the rotation of the lead screw 10 can adjust the two connecting blocks 11 to move closer or farther away. The movement of the support plate 12 away can drive the separation of the traction piece 16. The traction piece 16 can be used to traction the incision of a surgical patient. The moving frame 14 is movably arranged on the outer side of the support plate 12, and the support plate 12 can perform linear limit movement on the moving frame 14. By using the positioning post 15 to movably penetrate through the moving frame 14 and insert into the positioning hole 13, the moving frame 14 after adjusting the use position can be positioned. The traction piece 16 is made of rigid plastic, and a layer of medical silicone rubber is provided on the outer side of the traction piece 16. The silicone rubber has good anticoagulant properties, will not have an adverse effect on cell growth, and has the advantages of high temperature resistance, aging resistance, high transparency, etc.

[0028] During use, when rotating the extrusion pad 3 threadedly connected inside the fixed shell 2, by adjusting the use position of the extrusion pad 3 inside the fixed shell 2, the fixed shell 2 can be assembled and installed on a surgical operating bed by using the extrusion pad 3, and the incision traction device can be installed. By rotating the first threaded rod 4, the first slider 5 moves inside the support shell 1 to drive the first support frame 6 to perform linear movement of the use position. When rotating the second threaded rod 7, the second slider 8 can drive the second support frame 9 to move up and down inside the first support frame 6 to adjust the use height of the traction piece 16. The left - hand and right - hand threads opened on the outer side of the lead screw 10 are respectively threadedly connected with two connecting blocks 11 through threads. When rotating the lead screw 10, the two connecting blocks 11 can be adjusted to move closer or farther away. The movement of the support plate 12 away can drive the separation of the traction piece 16. The traction piece 16 can be used to traction the incision of a surgical patient, effectively increasing the stability of the incision traction area. While reducing the number of medical staff used, it is beneficial for the surgical operation of medical staff;

[0029] The moving frame 14 is arranged outside the support plate 12 through activities. The support plate 12 can perform linear limit movement on the moving frame 14, which is convenient for increasing or decreasing the number of traction sheets 16 according to the usage requirements. By using the positioning post 15 to pass through the moving frame 14 and insert into the positioning hole 13, the moving frame 14 after adjusting the usage position can be positioned.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An incision traction device for orthopedic surgery, comprising a support shell (1), a first support frame (6) and a second support frame (9), characterized in that: A first threaded rod (4) is rotatably arranged inside the support shell (1), a first slider (5) is arranged on the outer side of the first threaded rod (4) through a thread, a second threaded rod (7) is rotatably arranged inside the first support frame (6), a second slider (8) is arranged on the outer side of the second threaded rod (7) through a thread, and a screw rod (10) is rotatably arranged inside the second support frame (9).

2. The incision traction device for orthopedic surgery according to claim 1, characterized in that: A fixing shell (2) is arranged on the front side of the supporting shell (1), and a pressing pad (3) is arranged inside the fixing shell (2) through a thread.

3. The incision traction device for orthopedic surgery according to claim 1, characterized in that: The top end of the first slider (5) is connected to the bottom end of the first support frame (6), and one side of the second slider (8) is connected to one side of the second support frame (9).

4. The incision traction device for orthopedic surgery according to claim 1, characterized in that: The outer side of the screw rod (10) is provided with positive and negative threads in opposite directions, and a connecting block (11) is connected to the outer side of the screw rod (10) through the thread, and a support plate (12) is provided at the bottom end of the connecting block (11), and a plurality of positioning holes (13) are provided at the top of the support plate (12).

5. The incision traction device for orthopedic surgery according to claim 4, characterized in that: A plurality of groups of movable frames (14) are movably arranged on the outer side of the support plate (12), and a positioning column (15) is provided through the top of the movable frame (14), and the positioning column (15) is movably connected with the positioning hole (13) by being engaged.

6. The incision traction device for orthopedic surgery according to claim 5, characterized in that: A traction piece (16) is provided at the bottom end of the movable frame (14), and the traction piece (16) is made of plastic material.