CN213156797U

CN213156797U - Knee joint postoperative fixing device

Info

Publication number: CN213156797U
Application number: CN202020795049.1U
Authority: CN
Inventors: 徐欢; 王姝南
Original assignee: Chinese PLA General Hospital
Current assignee: Chinese PLA General Hospital
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-05-11
Anticipated expiration: 2030-05-13

Abstract

The utility model provides a knee joint postoperative fixing device belongs to the mount field. The knee joint postoperative fixing device comprises a supporting component, a sliding component and a knee pressing component, wherein the supporting component comprises a supporting plate, the sliding component comprises a sliding rail, a sliding block, a mounting block and a fastener, the knee pressing component comprises a threaded rod, a pressing plate, a fixing nut and a pressing block, the pressing plate is lifted to facilitate the insertion of the lower limbs, then the lower limbs are placed in the supporting plate, the sliding block is moved, the knee pressing component on the sliding block moves along with the sliding block, when the knee pressing component is positioned right above the knee joint, the sliding block stops moving, the fastening piece rotates, the sliding block is fixed on the sliding rail, the sliding pressing plate presses the knee joint to be straight by the pressing block below the pressing plate, the fixing nut rotates, the pressing plate and the pressing block are fixed above the knee joint, and the knee pressing component is arranged in the device, so that the lower limb of a patient is in a completely straightened state, and the problem that the knee pressing effect of the knee joint of the patient is not ideal through the sandbag after the knee joint operation is solved.

Description

Knee joint postoperative fixing device

Technical Field

The utility model relates to a mount field particularly, relates to a knee joint postoperative fixing device.

Background

Knee joint surgery is generally used to treat various conditions that may cause knee joint pain, and common knee joint surgery includes knee joint replacement surgery, knee arthroscopy surgery, ACL reconstruction surgery, tendon repair surgery, etc., and after a patient has undergone knee joint surgery, a knee joint of the patient is fixed by a knee joint postoperative fixing device.

For the patient after the knee joint operation, partial knee joint of the patient is bent, the knee joint of the patient needs to be straightened in an auxiliary mode, the lower limb of the patient is in a completely straightened state, the lower limb of the patient is straightened in an auxiliary mode through a sand bag, and the inventor finds that the sand bag is not easy to fix and easy to slip, the force applied by the sand bag is unbalanced, the straightening effect is not ideal, and the straightening effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

In order to remedy the defects, the utility model provides a knee joint postoperative fixing device, aiming at improving the problem that the knee joint straightening effect of a patient is not ideal through a sand bag after the knee joint operation.

The utility model discloses a realize like this:

the utility model provides a knee joint postoperative fixing device, including supporting component, slip subassembly and knee pressing subassembly.

The support assembly includes a support plate.

The sliding assembly comprises a sliding rail, a sliding block, an installation block and a fastener, the sliding rail is fixedly connected to two sides of the supporting plate, the sliding block is slidably connected to the sliding rail, and the installation block is fixedly connected to the sliding block through the fastener.

The knee pressing component comprises a threaded rod, a pressing plate, a fixing nut and a pressing block, the threaded rod is fixedly connected with the installation block, the threaded rod penetrates through the pressing plate in a sliding mode, the fixing nut is in threaded connection with the threaded rod, the fixing nut is located above the pressing plate, and the pressing block is fixedly installed below the pressing plate.

In an embodiment of the present invention, the supporting plate is a U-shaped plate, and the supporting plate is formed by bending.

The utility model discloses an in one embodiment, backup pad inside wall symmetric connection has the postoperative mounting, the postoperative mounting is provided with two sets ofly, every group the postoperative mounting includes spring and fixture block, spring one end fixed connection in the backup pad inside wall, the spring other end is connected with the fixture block, one side that the fixture block is relative is convex.

In an embodiment of the present invention, the arc inner side of the fixture block is provided with a polyurethane protective pad.

In an embodiment of the present invention, the distance between the two sets of the post-operation fixing members is 15-30cm, and the two sets of the post-operation fixing members are respectively located on two sides of the pressing plate.

In an embodiment of the present invention, a protection pad is disposed on the supporting plate below the pressing plate.

In an embodiment of the present invention, the height of the supporting plate and the height of the clamping block are 5-10 cm.

In an embodiment of the present invention, the fastening member is an eye screw.

In an embodiment of the present invention, the bottom of the pressing block is arc-shaped, and the bottom of the pressing block is covered with a polyurethane protective pad.

In an embodiment of the present invention, the threaded rod is vertically arranged.

The utility model has the advantages that: the utility model discloses a knee joint postoperative fixing device that above-mentioned design obtained, during the use, raise the clamp plate, make things convenient for inserting of low limbs, later put into the backup pad with low limbs, remove the slider, the pressure knee subassembly on the slider is followed and is removed, when pressing the knee subassembly to be located directly over the knee joint, stop moving the slider, rotating fastening spare, fix the slider on the slide rail, sliding pressing plate, straighten the knee joint with the briquetting of clamp plate below, rotatory fixation nut, fix clamp plate and briquetting in the knee joint top, compare with current straightening of patient's knee joint through the sand bag, this device has the pressure knee subassembly, through clamp plate and briquetting, make patient's low limbs be in the state that straightens completely, the unsatisfactory problem of effect is straightened to patient's knee joint through the sand bag after the knee joint art has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a first perspective structure of a postoperative knee joint fixing device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a second perspective of the postoperative knee joint fixing device according to the embodiment of the present invention;

fig. 3 is a schematic view of a first perspective structure of a support assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a second viewing angle of the supporting assembly according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a post-operation fixing member according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a sliding assembly according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional structure view of a sliding assembly according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a knee pressing assembly according to an embodiment of the present invention.

In the figure: 100-a support assembly; 110-a support plate; 120-post-operative fixation; 121-a spring; 122-a cartridge; 130-a support pad; 200-a sliding assembly; 210-a slide rail; 220-a slide block; 230-a mounting block; 240-a fastener; 300-a knee compression assembly; 310-a threaded rod; 320-a pressing plate; 330-fixing nut; 340-briquetting.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a knee joint postoperative fixing device, which comprises a supporting component 100, a sliding component 200 and a knee pressing component 300.

The sliding assembly 200 is connected to the supporting assembly 100, the knee pressing assembly 300 is connected to the sliding assembly 200, the supporting assembly 100 plays a role in fixing the lower limbs and supporting the sliding assembly 200, the sliding assembly 200 can move according to the length of the lower limbs of a patient, the knee pressing assembly 300 is located right above the knee joint, and the knee pressing assembly 300 can straighten the knee joint of the patient.

Referring to fig. 2-5, the supporting assembly 100 includes a supporting plate 110, it should be noted that the supporting plate 110 is a U-shaped plate, the supporting plate 110 is formed by bending, the lower limbs of the patient can be placed in the U-shaped plate, the inner side walls of the supporting plate 110 are symmetrically connected with post-operation fixing members 120, the post-operation fixing members 120 are provided in two groups, each group of post-operation fixing members 120 includes a spring 121 and a clamping block 122, one end of the spring 121 is fixedly connected to the inner side wall of the supporting plate 110, specifically, the spring 121 is welded on the supporting plate 110, the other end of the spring 121 is connected with the clamping block 122, the side opposite to the clamping block 122 is arc-shaped, so that a patient can put the lower limb into the clamping block 122, the spring 121 can be contracted or stretched according to the thickness of the lower limb of the patient, so that the lower limb is fixed in the fixture block 122, a polyurethane protective pad is arranged on the inner side of the arc of the fixture block 122, so that the pressure on the lower limb of the patient is relieved, and the height of the support plate 110 and the height of the fixture block 122 are 5-10 cm.

Referring to fig. 6 and 7, the sliding assembly 200 includes a sliding rail 210, a sliding block 220, a mounting block 230 and a fastener 240, specifically, the sliding rail 210 is fixedly connected to two sides of the supporting plate 110, the sliding block 220 is slidably connected to the sliding rail 210, the mounting block 230 is fixedly connected to the sliding block 220 through the fastener 240, the fastener 240 is a lifting eye screw, so as to facilitate screwing and disassembling, the knee pressing assembly 300 is fixed on the movable sliding block 220, and the distance between the knee pressing assembly 300 and the postoperative fixing member 120 can be adjusted by moving the sliding block 220, so that the fixing frame is suitable for patients with different lower limb lengths.

Referring to fig. 8, the knee pressing assembly 300 includes a threaded rod 310, a pressing plate 320, a fixing nut 330 and a pressing block 340, the threaded rod 310 is fixedly connected to the mounting block 230, the threaded rod 310 is vertically disposed, the pressing plate 320 slidably penetrates the pressing plate 310 above the threaded rod 310, the pressing plate 320 can freely move on the threaded rod 310, so that the lower limbs can be conveniently inserted into the supporting plate 110, the height of the pressing plate 320 can be adjusted according to the thickness of the lower limbs of the patient, the distance between two sets of postoperative fixing members 120 is 15-30cm, the two sets of postoperative fixing members 120 are respectively located on two sides of the pressing plate 320, the fixing nut 330 is screwed on the threaded rod 310, the fixing nut 330 is located above the pressing plate 320, the pressing plate 320 can be fixed directly above the knee joint of the patient by the fixing nut 330, the pressing block 340 is fixedly mounted below the pressing plate 320, supporting pad 130 is located the knee joint below, can reduce the direct contact of knee joint and backup pad 110, alleviates the pressure that the knee joint received, and the bottom of briquetting 340 is arc, and the bottom of briquetting 340 covers has the polyurethane protection to fill up, can cushion the pressure of briquetting 340 that patient's knee joint department received.

Specifically, this knee joint postoperative fixing device's theory of operation: when in use, the pressing plate 320 is lifted to facilitate the insertion of the lower limbs, then the lower limbs are placed in the clamping blocks 122, the spring 121 presses the clamping blocks 122 tightly under the action of elasticity, thereby fixing the lower limb in the fixture block 122, moving the sliding block 220, the knee pressing component 300 on the sliding block 220 moves along with the movement, when the knee pressing component 300 is positioned right above the knee joint, the sliding block 220 stops moving, the fastening piece 240 is rotated, the sliding block 220 is fixed on the sliding rail 210, the pressing plate 320 is slid, the pressing block 340 below the pressing plate 320 is used for pressing the knee joint to be straight, the fixing nut 330 is rotated, the pressing plate 320 and the pressing block 340 are fixed above the knee joint, compared with the prior art that the knee joint of the patient is straightened by the sandbag, the device is provided with a knee pressing component 300, through the pressing plate 320 and the pressing block 340, the lower limbs of the patient are in a completely straightened state, and the problem that the knee joint straightening effect of the patient is not ideal through the sand bag after the knee joint operation is solved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A knee joint postoperative fixing device is characterized by comprising

A support assembly (100), the support assembly (100) comprising a support plate (110);

the sliding assembly (200) comprises a sliding rail (210), a sliding block (220), a mounting block (230) and a fastener (240), the sliding rail (210) is fixedly connected to two sides of the supporting plate (110), the sliding block (220) is slidably connected to the sliding rail (210), and the mounting block (230) is fixedly connected to the sliding block (220) through the fastener (240);

knee pressing component (300), knee pressing component (300) includes threaded rod (310), clamp plate (320), fixation nut (330) and briquetting (340), threaded rod (310) fixed connection in installation piece (230), threaded rod (310) top is slided and is run through clamp plate (320), fixation nut (330) spiro union in threaded rod (310), fixation nut (330) is located clamp plate (320) top, briquetting (340) fixed mounting in clamp plate (320) below.

2. The post-operative knee fixation device of claim 1, wherein the support plate (110) is a U-shaped plate, and the support plate (110) is formed by bending.

3. The knee joint postoperative fixing device according to claim 1, wherein postoperative fixing members (120) are symmetrically connected to the inner side wall of the supporting plate (110), two sets of the postoperative fixing members (120) are provided, each set of the postoperative fixing members (120) comprises a spring (121) and a clamping block (122), one end of the spring (121) is fixedly connected to the inner side wall of the supporting plate (110), the other end of the spring (121) is connected with the clamping block (122), and the opposite side of the clamping block (122) is arc-shaped.

4. The postoperative knee joint fixation device according to claim 3, wherein the arc inside of the fixture block (122) is provided with a polyurethane protective pad.

5. The device for postoperative fixation of knee joint according to claim 3, wherein the distance between two sets of postoperative fasteners (120) is 15-30cm, and the two sets of postoperative fasteners (120) are respectively located on both sides of the pressure plate (320).

6. The postoperative knee joint fixation device according to claim 3, wherein a support pad (130) is disposed on the support plate (110) below the pressure plate (320).

7. The postoperative knee joint fixation device according to claim 3, wherein the height of the support plate (110) and the fixture block (122) is 5-10 cm.

8. The post-surgical knee fixation device of claim 1, wherein the fastener (240) is an eye screw.

9. The postoperative knee joint fixation device according to claim 1, wherein the bottom of the pressing block (340) is in the shape of a circular arc, and the bottom of the pressing block (340) is covered with a polyurethane protective pad.

10. The post-knee fixation device of claim 1, wherein the threaded rods (310) are vertically disposed.