CN219557726U

CN219557726U - Joint fixing device

Info

Publication number: CN219557726U
Application number: CN202320575576.5U
Authority: CN
Inventors: 李岩; 高杰; 张化武; 朱永乐; 王栋; 任炳强
Original assignee: Shandong Second People's Hospital Shandong Ear Nose Throat Hospital Shandong Ear Nose Throat Research Institute
Current assignee: Shandong Second People's Hospital Shandong Ear Nose Throat Hospital Shandong Ear Nose Throat Research Institute
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-08-22
Anticipated expiration: 2033-03-22

Abstract

The utility model relates to the technical field of medical appliances and discloses a joint fixing device which comprises a bracket system, an adjusting screw rod system and a finger pressing system, wherein the bracket system comprises a limiting support for limiting and straightening fingers, the finger pressing system is used for pressing down the fingers which are supported straight on the bracket system, the finger pressing system is connected to the lower end of the adjusting screw rod system and is positioned and clamped on the bracket system, a base block with a silica gel pad arranged at the lower end is clamped in a lifting support frame, the adjusting screw rod system which is arranged at the upper end of the lifting support frame in a threaded manner is connected to the upper end of the base block, when a finger joint is fixed, the finger is limited and straightened through a finger supporting plate of a concave arc plate structure, then the finger is pressed down and fixed by moving and adjusting the position of the base block through screwing the screw rod.

Description

Joint fixing device

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a joint fixing device.

Background

The finger joint injury, the labor injury, the tendon injury and the like are common finger injuries, account for about 1/4 of a patient with hand injury, require good resetting of the finger joint injury, firm fixing and good functional reconstruction, and can influence the hand function due to poor healing, and the current fixing mode of the finger joint is mainly plaster fixation or small splint binding after resetting.

In the prior art (chinese patent application publication No. CN212089878U, entitled finger joint fixing device), the fixing device comprises a fixing finger support and a fixing strap, wherein the fixing strap is disposed on the back side of the hand; the fixed finger rest is arranged on the abdomen side of the finger and comprises a far-end part and a near-end part, and the far-end part is detachably connected with the near-end part. Solves the problems that in the prior hammer-shaped finger rest, only distal and proximal interphalangeal joints can be fixed at the same time, thereby causing proximal interphalangeal joint stiffness, finger dysfunction and the like. In the process of realizing the technical scheme, the inventor finds that at least the following problems exist in the prior art:

when the finger joint fixing device is used for fixing the finger, the user with thick fingers is inconvenient to sleeve and the user with thin fingers is not firm after the user with thin fingers sleeves because the thickness of the finger is different.

Disclosure of Invention

The utility model aims to provide a joint fixing device, which solves the problems that in the background art, because the thickness of fingers is different, the wearing is inconvenient, the thick fingers are inconvenient to sleeve, and the thin fingers are unstable to fix after sleeve.

In a first aspect, the present utility model provides an articulating mechanism comprising:

the bracket system comprises a bracket system for limiting and straightening the fingers;

the adjusting screw rod system is installed at the upper end of the bracket system in a threaded manner;

the pressing finger is used for pressing down the straight finger on the bracket system, is connected to the lower end of the adjusting screw rod system and is positioned and clamped on the bracket system.

In a specific embodiment, the bracket system includes a finger plate and a raised bracket fixedly attached to the middle of the finger plate for mounting an adjustment screw system.

In a specific embodiment, the finger rest is a concave arc plate structure.

In a specific embodiment, an internal thread connecting seat is fixedly arranged at the upper end of the lifting support, and a positioning strip is arranged at the inner side of the lifting support.

In a specific embodiment, the adjusting screw system comprises a threaded rod which is arranged on the internal threaded connecting seat in a threaded mode and a screwing head which is fixedly connected to the upper end of the threaded rod, and a sleeve is movably connected to the lower end of the threaded rod.

In a specific embodiment, the lower end of the threaded rod is provided with a clamping convex edge, the upper end of the inside of the sleeve is provided with a clamping groove, and the clamping convex edge is clamped in the clamping groove.

In a specific embodiment, the lower end of the sleeve is connected with a reset pressing column part, the reset pressing column part comprises a connecting column movably inserted at the lower end of the sleeve and a reset spring sleeved on the connecting column, the lower end of the connecting column is fixedly connected to the pressing finger, one end of the reset spring is fixedly connected to the sleeve, the other end of the reset spring is fixedly connected to the pressing finger, and the upper end of the connecting column is connected with a limiting stop head.

In a specific embodiment, the limit stop is disposed within the sleeve and the diameter of the limit stop is greater than the diameter of the socket of the sleeve.

In a specific embodiment, the pressing finger comprises a base block connected to the lower end of the connecting column and a silica gel pad fixedly installed on the lower end of the base block, and the base block is arranged in the lifting support frame.

In a specific embodiment, positioning grooves are formed in two sides of the base block, and the positioning strips are movably clamped in the positioning grooves.

According to the joint fixing device provided by the utility model, the base block with the silica gel pad arranged at the lower end is clamped and arranged in the lifting support frame, the adjusting screw rod which is arranged at the upper end of the lifting support frame in a threaded manner is connected to the upper end of the base block, when the finger joint is fixed, the finger is limited and straightened through the finger supporting plate of the concave arc plate structure, then the position of the base block is moved and adjusted through screwing the screw rod, the finger is pressed down, so that the fingers with different thicknesses are pressed down and fixed conveniently, and compared with the traditional finger joint fixing device, the joint fixing device has the advantages that the fixing effect of the finger is replaced and is more convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a bracket system according to an embodiment of the utility model.

FIG. 3 is a schematic view of the adjusting screw system and the pressing finger system according to the embodiment of the present utility model.

FIG. 4 is a schematic view of an adjusting screw system according to an embodiment of the present utility model.

Fig. 5 is an enlarged view at a in fig. 4.

Icon: 100. a bracket system; 110. finger supporting plates; 120. raising the support frame; 121. an internal thread connecting seat; 122. a positioning strip; 200. adjusting the screw train; 210. a threaded rod; 211. clamping the convex edge; 220. screwing the head; 230. a sleeve; 231. a clamping groove; 240. resetting the plunger; 241. a connecting column; 242. a return spring; 243. a limiting stop head; 300. pressing the finger; 310. a base block; 311. a positioning groove; 320. and a silica gel pad.

Detailed Description

Because the prior art has the inconvenience when wearing because of different thicknesses of fingers, users with thick fingers are inconvenient to sleeve, and users with thin fingers are not firm after sleeve. Therefore, the inventor provides a joint fixing device through researches, the base block with the silica gel pad arranged at the lower end is clamped and arranged in the lifting support frame, the adjusting screw rod which is arranged at the upper end of the lifting support frame in a threaded manner is connected to the upper end of the base block, when the finger joint is fixed, the finger is limited and straightened through the finger supporting plate of the concave arc plate structure, then the position of the base block is adjusted through moving by screwing the screw rod, and the finger is pressed down, so that the defects are overcome.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 to 5, an embodiment of the present utility model provides an articulation fixing device, including:

a cradle system 100, the cradle system 100 including means for restraining and straightening a finger;

an adjusting screw rod system 200, the adjusting screw rod system 200 being screw-mounted at the upper end of the bracket system 100;

the pressing finger 300 is used for pressing down the straight finger on the bracket system 100, and the pressing finger 300 is connected to the lower end of the adjusting screw system 200 and is positioned and clamped on the bracket system 100.

Specifically, the bracket system 100 includes a finger plate 110 and a lifting bracket 120 fixedly coupled to the middle of the finger plate 110 for mounting the adjusting screw system 200.

Further, the finger supporting plate 110 is a concave arc plate structure.

An internal thread connecting seat 121 is fixedly arranged at the upper end of the lifting support frame 120, and a positioning strip 122 is arranged on the inner side of the lifting support frame 120.

Specifically, the adjusting screw system 200 includes a threaded rod 210 threadedly mounted on the internally threaded connection seat 121 and a screwing head 220 fixedly connected to an upper end of the threaded rod 210, and a sleeve 230 is movably connected to a lower end of the threaded rod 210.

The lower end of the threaded rod 210 is provided with a clamping convex edge 211, and the upper end of the inside of the sleeve 230 is provided with a clamping groove 231, and the clamping convex edge 211 is clamped in the clamping groove 231.

The lower extreme of sleeve pipe 230 is connected with the pressure post spare that resets 240, the pressure post spare that resets 240 includes movable spliced at the spliced pole 241 of sleeve pipe 230 lower extreme and the reset spring 242 of suit on spliced pole 241, the lower extreme fixed connection of spliced pole 241 is on pressing finger 300, the one end fixed connection of reset spring 242 is on sleeve pipe 230, the other end fixed connection is on pressing finger 300, the upper end of spliced pole 241 is connected with spacing catch 243, the setting of pressure post spare 240 resets for more comfortable when pressing down to the finger, prevent to carry out excessive hard to press to hold.

Further, a limit stop 243 is disposed within the sleeve 230, and the diameter of the limit stop 243 is larger than the socket diameter of the sleeve 230.

Specifically, the finger pressing system 300 includes a base block 310 connected to the lower end of the connection post 241 and a silica gel pad 320 fixedly installed to the lower end of the base block 310, and the base block 310 is disposed in the elevation bracket 120.

Further, positioning grooves 311 are formed on two sides of the base block 310, and the positioning strips 122 are movably clamped in the positioning grooves 311.

In summary, the embodiment of the utility model provides a joint fixing device, wherein a base block 310 with a silica gel pad 320 arranged at the lower end is arranged in a lifting support frame 120 in a clamping manner, an adjusting screw rod system 200 which is arranged at the upper end of the lifting support frame 120 in a threaded manner is connected to the upper end of the base block 310, when a finger joint is fixed, the finger is limited and straightened through a finger supporting plate 110 with a concave arc plate structure, then the position of the base block 310 is adjusted by screwing a threaded rod 210, the finger is pressed down, and the finger fixing device is convenient to press down and fix fingers with different thicknesses.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A joint fixing device, comprising:

2. The joint fixing device according to claim 1, wherein the bracket system comprises a finger-supporting plate and a lifting bracket fixedly connected to the middle of the finger-supporting plate for installing the adjusting screw system.

3. The joint fixation device of claim 2 wherein the finger plate is a concave arc plate structure.

4. The joint fixing device according to claim 2, wherein an internal thread connecting seat is fixedly arranged at the upper end of the lifting support frame, and a positioning strip is arranged at the inner side of the lifting support frame.

5. The joint fixing device according to claim 4, wherein the adjusting screw rod comprises a threaded rod which is installed on the internal threaded connecting seat in a threaded mode and a screwing head which is fixedly connected to the upper end of the threaded rod, and the lower end of the threaded rod is movably connected with the sleeve.

6. The joint fixing device according to claim 5, wherein the lower end of the threaded rod is provided with a clamping convex edge, the upper end of the interior of the sleeve is provided with a clamping groove, and the clamping convex edge is clamped in the clamping groove.

7. The joint fixing device according to claim 5, wherein the lower end of the sleeve is connected with a reset pressing column, the reset pressing column comprises a connecting column movably inserted into the lower end of the sleeve and a reset spring sleeved on the connecting column, the lower end of the connecting column is fixedly connected to the pressing finger, one end of the reset spring is fixedly connected to the sleeve, the other end of the reset spring is fixedly connected to the pressing finger, and the upper end of the connecting column is connected with a limiting stop head.

8. The joint fixation device of claim 7 wherein the limit stop is disposed within the sleeve and the limit stop has a diameter greater than the socket diameter of the sleeve.

9. The joint fixing device according to claim 7, wherein the pressing finger comprises a base block connected to the lower end of the connecting column and a silica gel pad fixedly installed to the lower end of the base block, and the base block is disposed in the elevation bracket.

10. The joint fixing device according to claim 9, wherein positioning grooves are formed in two sides of the base block, and the positioning strips are movably clamped in the positioning grooves.