Knee joint operation support system

By designing a knee surgical stent system including curved plates and asymmetric plate bodies, the problem of insufficient retraction and stability of knee joint soft tissue in the prior art is solved, and better support and operating efficiency are achieved.

CN222676788UActive Publication Date: 2025-03-28PEKING UNION MEDICAL COLLEGE HOSPITAL
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Patent Information

Application Number
CN202421323460.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-03-28
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

The existing knee surgical stent system cannot effectively assist in the retraction and exposure of soft tissue of the knee joint, and is insufficient instability to match the curve of the knee joint.

Method used

A knee surgical stent system including a base plate and a support plate is designed. The support plate consists of a first plate body, a second plate body and a curved plate. The curved plate and the asymmetrically designed plate body are better ergonomic, increase support and stability, and fix the knee joint tissue through a double tail hook to assist in retraction.

Benefits of technology

This design improves the stability of the knee surgical stent system, can better support the bent knee joint, and reduces surgical personnel by fixing the double-tail hook, improving operating efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a knee joint operation support system which comprises a bottom plate and a supporting plate, the supporting plate comprises a first plate body, a second plate body and an arc-shaped plate, the first plate body is connected to the first end of the bottom plate, the second plate body is connected to the second end of the bottom plate, the first plate body and the second plate body are connected through the arc-shaped plate, a first included angle alpha is formed between the first plate body and the bottom plate, a second included angle beta is formed between the second plate body and the bottom plate, and the first included angle alpha is smaller than the second included angle beta. By arranging the arc-shaped plate, and the first plate body and the second plate body which are asymmetrically designed, the knee joint supporting device better conforms to the design principle of human engineering, and can better support a knee joint in a bent state.
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Description

Technical Field

[0001] The utility model relates to the technical field of surgical supports, in particular to a knee joint surgical support system. Background Art

[0002] In knee surgery, a knee surgery support system is needed as an auxiliary medical device, which is mainly used for the placement and fixation of the legs in knee surgery, that is, the patient's legs are placed and fixed on the knee surgery support system to facilitate the medical staff to perform the operation. The stability of the leg fixation in knee surgery is crucial to the stability of the surgical operation, which can not only facilitate the operation of medical staff and reduce the number of medical staff, but also reduce the workload of the surgical operator. There are many knee surgery support systems with different functions in the prior art. For example, the patent document with publication number CN211705196U discloses a knee surgery support, including: a support base and a first support component for supporting the thigh, and a second support component for supporting the calf, the bottom end of the first support component is hinged to the support base, the top end of the first support component is hinged to the top end of the second support component, and the bottom end of the second support component is configured to be able to be adjusted and positioned on the support base, wherein the length of the first support component and / or the second support component is configured to be able to be adjusted and positioned. The knee surgery support of the utility model has a wider applicability and can meet the needs of different patients.

[0003] However, the existing technology cannot assist in the retraction and exposure of the soft tissue of the knee joint, and the stability is not good enough to better match the bending curve of the knee joint. Therefore, the present application aims to provide a knee joint surgical stent system that can overcome the above-mentioned defects. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a knee joint surgery support system.

[0005] The purpose of the utility model is achieved through the following technical scheme: A knee joint surgical support system, including a base plate and a support plate, the support plate including a first plate body, a second plate body and an arc plate, the first plate body is connected to the first end of the base plate, the second plate body is connected to the second end of the base plate, the first plate body and the second plate body are connected via the arc plate, wherein a first angle α is formed between the first plate body and the base plate, a second angle β is formed between the second plate body and the base plate, and the first angle α is smaller than the second angle β.

[0006] Preferably, the first angle α and the second angle β are both smaller than 90°, so that the minimum distance D1 between the first plate body and the second plate body is smaller than the length D2 of the bottom plate.

[0007] Preferably, at least two reinforcing plates are arranged between the first plate body and the second plate body.

[0008] Preferably, each of the reinforcing plates is provided with at least two hanging nails.

[0009] Preferably, the reinforcing plates are arranged at intervals along the width direction of the bottom plate, and the hanging nails are arranged at intervals along the length direction of the bottom plate.

[0010] Preferably, the width D3 of the arc-shaped plate is smaller than the width D4 of the bottom plate (1).

[0011] The utility model has the following advantages:

[0012] (1) By providing an arc-shaped plate and a first plate body and a second plate body that are asymmetrically designed to each other, the design principle of ergonomics is better met and the knee joint in a bent state can be better supported.

[0013] (2) During specific use, the double-tail retractor used to retract the knee joint tissue can be fixed, thereby assisting in retracting the knee joint tissue, thereby reducing a dedicated surgical staff for manually assisting in retracting the knee joint tissue.

[0014] (3) The design of being narrow at the top and wide at the bottom is adopted, and the width of the bottom plate of the bracket is greater than the width of the top, thereby improving the stability of the knee joint surgery bracket system during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of the knee joint surgery stent system in the main viewing state;

[0016] Figure 2 It is a schematic diagram of the structure of the knee joint surgery stent system in a top view;

[0017] Figure 3 This is the front view of the double-tail retractor;

[0018] Figure 4 It is a side view of the double-tail retractor;

[0019] In the figure, 1-bottom plate, 2-support plate, 2a-first plate body, 2b-second plate body, 2c-arc plate, 1a-first end, 1b-second end, 3-reinforcement plate, 4-hanging nail, 5-double-tail hook. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings, and the protection scope of the utility model is not limited to the following:

[0021] like Figures 1 to 4As shown, the present application provides a knee joint surgery support system, including a base plate 1 and a support plate 2, the support plate 2 includes a first plate body 2a, a second plate body 2b and an arc plate 2c, the first plate body 2a is connected to the first end 1a of the base plate 1, the second plate body 2b is connected to the second end 1b of the base plate 1, the first plate body 2a and the second plate body 2b are connected via the arc plate 2c, wherein a first angle α is provided between the first plate body 2a and the base plate 1, a second angle β is provided between the second plate body 2b and the base plate 1, and the first angle α is smaller than the second angle β. By providing the arc plate 2c, and the first plate body 2a and the second plate body 2b designed asymmetrically to each other, the design principle of ergonomics is better met, and the knee joint in a bent state can be better supported.

[0022] Preferably, the first angle α and the second angle β are both less than 90°, so that the minimum distance D1 between the first plate body 2a and the second plate body 2b is less than the length D2 of the bottom plate 1. Preferably, the second angle β is 80° to 85°.

[0023] Preferably, at least two reinforcing plates 3 are arranged between the first plate body 2a and the second plate body 2b. The reinforcing plates 3 can further enhance the structural stability of the knee joint surgery support system. At least two hanging nails 4 are arranged on each reinforcing plate 3. The reinforcing plates 3 are arranged at intervals along the width direction of the base plate 1, and the hanging nails 4 are arranged at intervals along the length direction of the base plate 1. During specific use, the double-tail retractor used to retract the knee joint tissue can be fixed, so as to assist in retracting the knee joint tissue, thereby reducing a dedicated surgical staff for manually assisting in retracting the knee joint tissue. One end of the double-tail retractor 5 is hook-shaped, which can hook the knee joint tissue, and a fixing hole can be provided on the other end, and a cable tie can be provided in the fixing hole, and then it is tied and fixed to the hanging nail 4 by the cable tie.

[0024] Preferably, the width D3 of the arc plate 2c is smaller than the width D4 of the bottom plate 1. With the narrow top and wide bottom design, the width of the bottom plate of the bracket is greater than the width of the top, thereby improving the stability of the knee joint surgery bracket system during use.

[0025] Preferably, the knee surgery stent system is made of stainless steel, which can be sterilized at high temperature. When in use, the stent and tissue can be separated by sterile cloth. Different specifications can be set to accommodate people of different heights. For example, three specifications of large, medium and small can be set, and the difference between each specification is that the height difference is 4 cm.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A knee joint surgery stent system, characterized in that: The invention comprises a base plate (1) and a support plate (2), wherein the support plate (2) comprises a first plate body (2a), a second plate body (2b) and an arc-shaped plate (2c), wherein the first plate body (2a) is connected to a first end portion (1a) of the base plate (1), and the second plate body (2b) is connected to a second end portion (1b) of the base plate (1), and the first plate body (2a) and the second plate body (2b) are connected via the arc-shaped plate (2c), wherein a first angle α is formed between the first plate body (2a) and the base plate (1), and a second angle β is formed between the second plate body (2b) and the base plate (1), and the first angle α is smaller than the second angle β.

2. The knee joint surgery support system according to claim 1, characterized in that: The first angle α and the second angle β are both smaller than 90°, so that the minimum distance D1 between the first plate body (2a) and the second plate body (2b) is smaller than the length D2 of the bottom plate (1).

3. The knee joint surgery support system according to claim 1, characterized in that: At least two reinforcing plates (3) are arranged between the first plate body (2a) and the second plate body (2b).

4. The knee joint surgery support system according to claim 3, characterized in that: Each of the reinforcing plates (3) is provided with at least two hanging nails (4).

5. The knee joint surgery support system according to claim 4, characterized in that: The reinforcing plates (3) are arranged at intervals along the width direction of the bottom plate (1), and the hanging nails (4) are arranged at intervals along the length direction of the bottom plate (1).

6. The knee joint surgery support system according to claim 1, characterized in that: The width D3 of the arc-shaped plate (2c) is smaller than the width D4 of the bottom plate (1).

Citation Information

Patent Citations

  • Knee joint operation support

    CN211705196U