Supporting and limiting device for joint operation

By designing the base plate, sliding seat, and locking mechanism of the support and limiting device, the problem of existing knee joint fixation support frames being unable to be adjusted at multiple angles has been solved, achieving stable fixation and multi-angle adjustment of the patient's lower leg, thus meeting the needs of personalized surgery.

CN223746644UActive Publication Date: 2026-01-02903 HOSPITAL OF THE JOINT LOGISTICS SUPPORT FORCE OF THE PEOPLES LIBERATION ARMY OF CHINA
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Patent Information

Application Number
CN202520248712.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-01-02
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing knee joint fixation braces cannot be adjusted in height and angle to meet the needs of different patients, which makes it impossible to meet personalized fixation requirements during knee surgery.

Method used

A support and limiting device including a base plate, a sliding seat, a locking mechanism, and a leg support is designed. The leg support is fixed and locked in all directions by the locking linkage and the locking mechanism. Combined with the design of the rotating pressure ring and the locking limit block, the leg support is stably fixed and can be adjusted in multiple angles.

Benefits of technology

It achieves stable fixation and multi-angle adjustment of the patient's lower leg, meeting the personalized surgical needs of different patients and improving the stability and flexibility of the surgical process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a supporting and limiting device for joint surgery, which is characterized in that a bottom plate is fixed on an operating bed to enlarge the contact area and maintain the overall stability, a locking device connecting rod is used for connecting and fixing the position opposite to the operating bed, a leg support is used for placing the shank of a patient, and the leg support and the operating bed are integrally fixed together through an operating belt. The locking mechanism can lock left-right translation and universal angle locking of the leg support, the lower pressing cover is rotationally locked, the rotary pressing ring is driven to move downwards, the leg support connecting base is clamped and fixed, meanwhile, the locking limiting block moves downwards and makes contact with the bottom plate to be locked, and the locking limiting block is used for locking the sliding base and the bottom plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electromechanical equipment especially relates to a support limiting device for joint operation. BACKGROUND

[0002] Most of the existing knee joint fixing support frames are fixed structures, and the degrees of bending of the legs of different patients are different, and during knee joint operation, the lower limbs need to be arbitrarily adjusted to rotate, bend or stretch, and such multi-angle adjustment cannot be adjusted in height and angle according to actual needs due to the shortcomings of the existing knee joint fixing support frames.

[0003] In view of the above, a support limiting device for joint operation is needed to solve the problems in the prior art. UTILITY MODEL CONTENT

[0004] In view of the shortcomings of the prior art, the utility model provides a support limiting device for joint operation, which aims to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a support limiting device for joint operation, including the bottom plate, the bottom plate top sets up the sliding seat, the sliding seat with the bottom plate swing joint, the sliding seat top sets up the locking mechanism, the locking mechanism with sliding seat fixed connection, the locking mechanism top sets up the leg support, the leg support with locking mechanism fixed connection, the bottom plate one side sets up the lock stopper connecting rod, the lock stopper connecting rod with bottom plate swing joint. The bottom plate is fixed on the operating bed, which can increase the contact area and maintain the overall stability. The lock stopper connecting rod is used to connect the relative position of the fixed operating bed. The leg support is used to place the patient's calf and is fixed together with the operating belt. The locking mechanism can lock the left and right translation and the universal angle of the leg support.

[0006] Optionally, the locking mechanism comprises a support seat, a locking lower pressing cover is arranged on the support seat, the locking lower pressing cover is in threaded connection with the support seat, a locking limiting block is arranged in the support seat, a locking spring is arranged between the locking limiting block and the support seat, a leg support connecting seat is arranged on the locking limiting block, a rotating pressing ring is arranged in the locking lower pressing cover, the leg support connecting seat is arranged between the locking limiting block and the rotating pressing ring, and the rotating pressing ring is sleeved outside the leg support connecting seat. The rotating locking lower pressing cover drives the rotating pressing ring to move downward, clamps and fixes the leg support connecting seat, and at the same time, the locking limiting block moves downward and is in contact with the bottom plate to lock the sliding seat and the bottom plate.

[0007] Optionally, the locking limiting block comprises a limiting seat, a limiting ring is arranged on the limiting seat, the limiting ring is fixedly sleeved outside the limiting seat, and the limiting ring is in contact with the locking spring. The limiting ring on the limiting seat is used to facilitate the connection with the locking spring.

[0008] Optionally, the leg support connecting seat comprises a rotating ball, a connecting column is arranged on the rotating ball, the connecting column is fixedly connected with the rotating ball, and the connecting column is fixedly connected with the leg support.

[0009] Optionally, a locking handle is arranged on the locking lower pressing cover and fixedly connected with the locking lower pressing cover.

[0010] Optionally, the leg support comprises a support plate and an arc-shaped plate, the support plate is fixedly connected with the arc-shaped plate, and a plurality of through holes are arranged on the support plate.

[0011] Advantages of the utility model:

[0012] 1. In the utility model, the bottom plate is fixed on the operating bed, the contact area is enlarged, the overall stability is maintained, the locking device connecting rod is used for connecting and fixing the relative position of the operating bed, the leg support is used for placing the lower leg of the patient, and the operating belt is used for fixing the whole together, the locking mechanism can lock the left-right translation and the universal angle of the leg support, and the locking mechanism can lock the left-right translation and the universal angle of the leg support;

[0013] 2. In the utility model, the rotating locking lower pressing cover drives the rotating pressing ring to move downwards, the leg support connecting seat is clamped and fixed, the locking limiting block moves downwards and is in contact with the bottom plate to be locked, and the locking limiting block is used for locking the sliding seat and the bottom plate;

[0014] 3. In the utility model, the limiting ring on the limiting seat is used for conveniently connecting with the locking spring, the rotating ball can universally adjust the leg support, the connecting column is used for connecting the rotating ball and the leg support, the locking handle is used for conveniently rotating the locking lower pressing cover, and then the locking handle is used for conveniently locking, the support plate is used for supporting the foot, and the arc-shaped plate is used for supporting the lower leg. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is a plane structure schematic view of the utility model.

[0017] Figure 3 It is a left view of the utility model. Figure 2

[0018] Figure 4 It is a sectional structure schematic view of the utility model.

[0019] Figure 5 It is a locking mechanism schematic view of the utility model.

[0020] ​In the figure: 1, the base plate; 2, sliding seat; 3, locking mechanism; 4, leg support; 5, lock rod; 6, locking handle; 7, through hole; 30, leg support connecting seat; 31, support seat; 32, locking lower cover; 33, locking limit block; 34, locking spring; 35, rotating compression ring; 36, rotating ball; 37, connecting column; 41, support plate; 42, arc plate. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and obviously, the drawings in the following description can only be some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0022] In conjunction with the drawings accompanying the specification Figure 1 - the drawings Figure 5 The technical scheme is described

[0023] As Figures 1-5 shown, a supporting and limiting device for joint surgery includes a base plate 1, a sliding seat 2 is arranged above the base plate 1, the sliding seat 2 is movably connected with the base plate 1, a locking mechanism 3 is arranged on the sliding seat 2, the locking mechanism 3 is fixedly connected with the sliding seat 2, a leg support 4 is arranged on the locking mechanism 3, the leg support 4 is fixedly connected with the locking mechanism 3, and a lock rod 5 is arranged on one side of the base plate 1, and the lock rod 5 is movably connected with the base plate 1.

[0024] The locking mechanism 3 includes a support seat 31, a locking lower cover 32 is arranged on the support seat 31, the locking lower cover 32 is threadedly connected with the support seat 31, a locking limit block 33 is arranged in the support seat 31, a locking spring 34 is arranged between the locking limit block 33 and the support seat 31, a leg support connecting seat 30 is arranged on the locking limit block 33, a rotating compression ring 35 is arranged in the locking lower cover 32, the leg support connecting seat 30 is arranged between the locking limit block 33 and the rotating compression ring 35, the rotating compression ring 35 is sleeved outside the leg support connecting seat 30, the locking limit block 33 includes a limiting seat, a limiting ring is arranged on the limiting seat, the limiting ring is fixedly sleeved outside the limiting seat, the limiting ring is in contact with the locking spring 34, the leg support connecting seat includes a rotating ball 36, a connecting column 37 is arranged on the rotating ball 36, the connecting column 37 is fixedly connected with the rotating ball 36, the connecting column 37 is fixedly connected with the leg support 4, a locking handle 6 is arranged on the locking lower cover 32, the locking handle 6 is fixedly connected with the locking lower cover 32, the leg support 4 includes a support plate 41 and an arc plate 42, the support plate 41 is fixedly connected with the arc plate 42, and a plurality of through holes 7 are arranged on the support plate 41.

[0025] The utility model discloses:

[0026] The bottom plate is fixed on the operating bed, which increases the contact area and maintains the stability of the whole, the lock linkage is used for connecting and fixing the relative position of the operating bed, the leg support is used for placing the lower leg of the patient, and the whole is fixed together by the surgical belt, and the locking mechanism can lock the left-right translation and the universal angle of the leg support;

[0027] The rotating ball and the leg support can be separated from the limiting seat and the bottom plate, which is used for leg swinging and other actions in the operation process, and is convenient for confirming whether the operation is successful.

[0028] The rotating locking lower cover drives the rotating compression ring to move downward, clamps and fixes the leg support connecting seat, and the locking limiting block moves downward and contacts and locks the bottom plate, which is used for locking the sliding seat and the bottom plate;

[0029] The limiting ring on the limiting seat is used for connecting the locking spring, the rotating ball can adjust the leg support in all directions, the connecting column is used for connecting the rotating ball and the leg support, the locking handle is convenient for rotating the lower cover, and then the locking is convenient, the supporting plate is used for supporting the foot, and the arc-shaped plate is used for supporting the lower leg.

[0030] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement or improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A support and positioning device for joint surgery, characterized in that, The application relates to a leg rest device, which comprises a bottom plate, a sliding seat arranged above the bottom plate, a locking mechanism movably connected with the sliding seat, a leg rest fixedly connected with the locking mechanism, a locker connecting rod arranged on one side of the bottom plate and movably connected with the bottom plate.

2. The support and limiting device for joint surgery according to claim 1, characterized in that, The locking mechanism comprises a supporting seat, a locking lower pressing cover arranged on the supporting seat and screw-connected with the supporting seat, a locking limiting block arranged in the supporting seat, a locking spring arranged between the locking limiting block and the supporting seat, a leg rest connecting seat arranged on the locking limiting block, and a rotary pressing ring arranged in the locking lower pressing cover.

3. The support and limiting device for joint surgery according to claim 2, characterized in that, The locking limiting block comprises a limiting seat, a limiting ring arranged on the limiting seat and fixedly sleeved outside the limiting seat, and the limiting ring is in contact with the locking spring.

4. The support and limiting device for joint surgery according to claim 2, characterized in that, The leg rest connecting seat comprises a rotating ball, a connecting column arranged on the rotating ball and fixedly connected with the rotating ball, and the connecting column is fixedly connected with the leg rest.

5. The support and limiting device for joint surgery according to claim 2, characterized in that, The locking lower pressing cover is provided with a locking handle fixedly connected with the locking lower pressing cover.

6. The support and limiting device for arthroscopic surgery according to any one of claims 1-5, characterized in that, The leg rest comprises a supporting plate and an arc-shaped plate, the supporting plate is fixedly connected with the arc-shaped plate, and a plurality of through holes are arranged on the supporting plate.