CN110680589A

CN110680589A - Finger tendon sheath brace

Info

Publication number: CN110680589A
Application number: CN201910893928.XA
Authority: CN
Inventors: 刘珅; 范存义; 蔡传栋
Original assignee: Shanghai Sixth Peoples Hospital
Current assignee: Shanghai Sixth Peoples Hospital
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-01-14

Abstract

A finger tendon sheath brace, includes fixed ring 10, and fixed ring 10 includes two semi-rings, can form the opening between two semi-rings for go into the fixed ring with the finger card. The fixing ring can be two semi-rings hinged with each other, and the free end is provided with a fixing and connecting device for fixing the two semi-rings into a closed ring. Or a C-shaped split ring as shown in the figure, the fixing ring 10 is a C-shaped ring, which may be a ring with a notch or an elliptical ring with a notch, the opening faces the side of the finger, the bottom covers and contacts the finger abdomen, and the top covers and contacts the upper skin of the phalanx. Just so can effectively the centre gripping tendinous sheath, and can not block the blood circulation of pressing, avoid the finger necrosis to take place. The C-shaped ring opening is 1/5-1/4 of the total length of the fixing ring 10, and when the finger is horizontally placed, the angle alpha between the side of the opening facing the finger is 30-90 degrees. This brace can effectual improvement tendon sheath's recovery rate and effect, and then improves tendon and finger recovery effect.

Description

Finger tendon sheath brace

Technical Field

The invention relates to a fixing device for finger tendon sheaths, in particular to a finger tendon sheath brace which is used for fixing tendons and tendon sheaths after the finger tendon sheaths are broken and sewed.

Background

The finger tendons break and often do not recover easily after suturing. The finger is difficult to be fixed, and patient's habitual use finger is in time unable to use, and the muscle on the finger is relaxed to subconscious meeting, leads to tendon and tendon sheath to shift. Furthermore, the hand often touches other objects and exerts a certain pressure which on the one hand causes the finger to be forcibly flexed and extended and on the other hand the pressure on the contact surface causes the tendon sheaths to be displaced.

The tendon sheaths will secrete synovial fluid to promote healing of the tendons, thereby accelerating healing of the tendon sheaths and improving the speed and effectiveness of recovery. However, to accelerate the healing of the sheath, it is necessary to stabilize the position of the sheath.

The fingers have different injuries compared with other human bodies, more joints of the fingers, flexible muscles and small organizational structure, and are the most common parts for human daily life. It is very difficult to stabilize the tendon sheaths.

The structure of Chinese patent (CN100389735C, elastic Achilles tendon splint) is relatively easy to use on the Achilles tendon because the Achilles tendon has few joints and the Achilles tendon can be fixed in a straight line. But is not generally applicable to fingers.

Another example (CN201595966U, composite brace for treating tenosynovitis) is to avoid the flexion and extension of fingers, and usually only to limit the movement of fingers, which cannot fix the position of tendon sheath.

Disclosure of Invention

The invention aims to provide a finger tendon sheath brace which can stably fix the position of a finger tendon sheath and accelerate the recovery of the tendon sheath.

In order to achieve the above object, the present invention comprises a retaining ring comprising two half-rings between which an opening can be formed for snapping a finger into the retaining ring.

Preferably, the fixing ring is two semi-rings hinged to each other, and the free end is provided with a fixing and connecting device for fixing the two semi-rings into a closed ring.

Preferably, the fixing ring is a C-shaped split ring.

Further, the fixing ring is a C-shaped ring which is a circular ring with a notch or an elliptical ring with a notch, the bottom of the fixing ring is coated and abutted against the finger abdomen, and the top of the fixing ring is coated and abutted against the upper skin of the phalanx;

the C-shaped ring opening is 1/5-1/4 of the total length of the fixing ring, and when the finger is horizontally placed, the included angle alpha of the opening towards the side of the finger is 30-90 degrees.

Furthermore, the inner side of the lower half ring of the fixing ring is provided with a protrusion which is a strip-shaped raised line, and one side of the raised line close to the finger is provided with anti-skid lines or convex points.

Furthermore, the lower half ring is wider than the upper half ring, and a plurality of raised lines can be arranged on the inner side of the lower half ring when the lower half ring is wider than the upper half ring.

Furthermore, the top of the upper semi-ring is provided with a threaded through hole communicated with the inner side and the outer side of the upper semi-ring, the threaded through hole is internally screwed with a pressurizing screw rod, the inner side of the upper semi-ring is fixedly provided with a pressurizing sheet, two ends of the pressurizing sheet are both fixed with the inner side of the upper semi-ring, the pressurizing sheet is an elastic sheet, the bottom end of the pressurizing screw rod points to the middle part of the pressurizing sheet, and the middle part of the pressurizing sheet is positioned right above the finger back.

Further, the fixing rings are connected through a connecting belt, the connecting belt is provided with two connecting rings, one connecting ring is fixed to the top end of each fixing ring, and the other connecting ring is fixed to the bottom end of each fixing ring.

Preferably, the connecting band has a certain elasticity

The tendon sheath fixing device has the beneficial effects that 1, the tendon sheath can be effectively clamped by the fixing ring, the tendon sheath recovery is promoted, and the tendon recovery is further accelerated; 2. the fixing ring has a good specified effect, and simultaneously avoids blocking blood circulation and ensures the recovery effect of the fingers; 3. the use of the pressurizing screw and the pressurizing sheet can be effectively applied to different finger thicknesses and shapes. 4. The connecting band can be effectual solid fixed ring's position of stabilizing, and does not hinder the flexion and extension of finger.

Drawings

Fig. 1 is a schematic view of a structure of a fixing ring.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a schematic view of the fixing ring and the finger in a fixed state.

FIG. 4 is a schematic structural view of a second embodiment of the retaining ring.

Fig. 5 is a rear view of fig. 4.

Fig. 6 is a partial top view of the lower half of fig. 5.

FIG. 7 is a schematic view of a plurality of retaining rings and finger retaining structures.

In the figure, a fixed ring 10, an upper half ring 11, an opening 12, a lower half ring 13, a convex strip 14, a pressurizing screw 20, a pressurizing sheet 21 and a connecting belt 30.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 7, a finger tendon sheath brace comprises a fixing ring 10, wherein the fixing ring 10 comprises two half rings, and an opening can be formed between the two half rings for clamping a finger into the fixing ring.

As shown above, the fixing ring can be two half rings hinged with each other, and the free end is provided with a fixing and connecting device for fixing the two half rings into a closed ring. Or a C-shaped split ring as shown in the figure I.

As shown in fig. 1-3, the fixing ring 10 is a C-shaped ring, which may be a circular ring with a notch or an elliptical ring with a notch, the opening of which faces the side of the finger, the bottom of which covers and contacts the finger abdomen, and the top of which covers and contacts the upper skin of the phalanx. Just so can effectively the centre gripping tendinous sheath, and can not block the blood circulation of pressing, avoid the finger necrosis to take place. The C-shaped ring opening is 1/5-1/4 of the total length of the fixing ring 10, and when the finger is horizontally placed, the angle alpha between the side of the opening facing the finger is 30-90 degrees.

In order to improve the positional stability of the fixing ring 10, the inner side of the lower half ring 13 of the fixing ring 10 is provided with a protrusion, which may be a strip-shaped rib, and one side of the rib 14 adjacent to the finger is provided with an anti-slip line or a bump. The projections may be rubber or plastic, or metal strips with diamond-shaped anti-slip lines.

Also as shown in fig. 4 to 6, in order to improve the stability of the fixing ring 10, the lower half ring 13 is wider than the upper half ring 11, and a plurality of protrusions 14 may be provided on the inner side of the lower half ring 13 when the lower half ring 13 is wider than the upper half ring 11.

Because the fingers of patients have different shapes and thicknesses, and various standard specifications are set in time, the patients still can not adapt to different finger shapes, a threaded through hole communicated with the inner side and the outer side of the upper half ring 11 is arranged at the top of the upper half ring 11, a pressurizing screw rod 20 is screwed in the threaded through hole, a pressurizing sheet 21 is fixed on the inner side of the upper half ring 11, two ends of the pressurizing sheet 21 are fixed with the inner side of the upper half ring, the pressurizing sheet 21 is an elastic sheet, the bottom end of the pressurizing screw rod 20 points to the middle part of the pressurizing sheet 21, and the middle part of the pressurizing sheet 21 is positioned right above the finger back. Twisting pressurization screw 20 and can contradicting pressurization piece 21 and indicate the back to can adjust the accommodation space size in the solid fixed ring 10, adapt to different finger thickness and shape, make lower semi-ring 13 homoenergetic exert pressure to the tendon sheath in pointing the abdomen.

When the brace is required to be worn on a plurality of knuckles on fingers, the positions of the fixing rings 10 can be stabilized by connecting the plurality of braces through the connecting band 30, two connecting bands 30 are arranged, one connecting band is fixed with the top end of each fixing ring 10, and the other connecting band is fixed with the bottom end of each fixing ring 10. In addition, the connecting band 30 has a certain elasticity, so that the fingers can be ensured to be bent and stretched, but can be bent and stretched within a certain range, and a certain fixing capacity is provided.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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. The utility model provides a finger tendon sheath brace, includes solid fixed ring, its characterized in that, gu fixed ring includes two semi-rings, can form the opening between two semi-rings for go into the finger card in the fixed ring.

2. The finger tendon sheath brace of claim 1, wherein the fixing ring is two half rings hinged to each other, and the free ends are provided with fixing connection means for fixing the two half rings into a closed ring.

3. The finger tendon sheath brace of claim 1, wherein the securing ring is a C-shaped split ring.

4. The finger tendon sheath brace of claim 3, wherein the securing ring is a C-shaped ring, which is a notched circular ring or a notched elliptical ring, the bottom portion wraps and abuts against the finger pulp, and the top portion wraps and abuts against the upper skin of the phalanges;

5. The finger tendon sheath brace of claim 3, wherein the inner side of the lower half ring of the fixing ring is provided with a protrusion, the protrusion is a strip-shaped protruding strip, and one side of the protruding strip adjacent to the finger is provided with anti-skid lines or protruding points.

6. The finger tendon sheath brace of claim 3 wherein the lower half ring is wider than the upper half ring, and wherein a plurality of ribs are provided on an inner side of the lower half ring when the lower half ring is wider than the upper half ring.

7. The finger tendon sheath brace of claim 3, wherein the top of the upper half ring is provided with a threaded through hole communicating with the inner side and the outer side of the upper half ring, the threaded through hole is internally screwed with a pressurizing screw, a pressurizing piece is fixed at the inner side of the upper half ring, both ends of the pressurizing piece are fixed with the inner side of the upper half ring, the pressurizing piece is an elastic piece, the bottom end of the pressurizing screw points to the middle part of the pressurizing piece, and the middle part of the pressurizing piece is positioned right above the back of the finger.

8. The finger tendon sheath brace of any one of claims 1 to 7 wherein the securing rings are connected by a connecting band, the connecting band being provided in two pieces, one piece secured to a top end of each securing ring and the other piece secured to a bottom end of each securing ring.

9. The finger tendon sheath brace of claim 8 wherein the connecting band is somewhat elastic.