JP5210750B2 - Wrist joint fastener - Google Patents

Description

  The present invention relates to a wrist joint fixing device for fixing a hand and a wrist joint in a normal state at the time of fracture or tendonitis, and more specifically, a patient can easily perform detachment alone, The present invention relates to a wrist joint fixture that can be used over time.

  For treatment of diseases such as wrist fractures and sprains, a fixture for fixing the wrist joint is used. For example, as shown in Patent Document 1, after the belt-shaped brace is wound from the palm to the instep, the wrist joint and the wrist joint are simultaneously pressed and fixed by winding a wristband around the wrist. Thus, it is possible to restrain the complicated joint movement from the palm to the wrist.

JP-A-3-244442

  However, the conventional fixture has the following problems. That is, since the fixing device described in Patent Document 1 is provided with each member independently, it must be worn in order with the thumb, palm, and wrist. It is difficult for a patient to wear it alone, and may require assistance.

  Moreover, since each part is sewn intricately, not only is it a complicated configuration, but there are many sewing processes and material costs are increased.

Accordingly, the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a wrist joint fixing tool that can be easily detached by a patient and can be used for a long time. It is to provide.

In order to achieve the above-described object, the present invention has several features described below. The invention according to claim 1 is a wrist joint fixing device for fixing a joint of a hand, a traction belt that is disposed along the back of the hand in a state of being hooked on the thumb, and pulls the thumb toward the back of the hand. One end is extended to the end of the traction belt and has a palm belt wound from the palm to the back and a wrist belt extending from the other end of the palm belt and wound along the wrist. A part of the palm belt is provided with a thumb insertion hole for inserting the thumb in a state where the thumb is pulled toward the back side by the pulling belt . .

  A second aspect of the present invention is characterized in that, in the first aspect, the traction belt, the palm belt, and the wrist belt are formed in a single band shape.

  A third aspect of the present invention is characterized in that, in the first or second aspect, the axis of the palm belt and the axis of the wrist belt are formed to intersect at a predetermined angle.

  According to a fourth aspect of the present invention, in the first, second, or third aspect, the traction belt is formed by folding one elastic belt in a U shape and fixing both ends to one end of the palm belt. It is a feature.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the palm belt is provided with first fixing means for fixing in a state of being wound from the palm to the back. It is a feature.

A sixth aspect of the present invention is characterized in that, in any one of the first to fifth aspects, the wrist belt is provided with a second fixing means for fixing in a state of being wound around the wrist. Yes.

The invention described in claim 7 is the palm according to any one of claims 1 to 6, wherein the palm belt includes a first palm belt member covering the palm side of the hand, and a second palm belt member covering the back side of the hand. The first palm member is characterized in that its width gradually increases from the connecting end of the traction belt toward the second palm belt member.

The invention described in claim 8 is characterized in that, in the above-mentioned claim 7 , the thumb insertion hole is provided in the vicinity of the boundary between the first palm member and the second palm member.

A ninth aspect of the present invention is characterized in that, in the seventh or eighth aspect, the second palm belt member has substantially the same width from the start end to the end.

According to the first aspect of the present invention, a traction belt that pulls the thumb toward the back side, a palm belt that has one end extending from one end of the traction belt and is wound from the palm to the back, and the palm By providing a wrist belt that extends from the other end of the belt and is wound along the wrist, the position of the joint of the hand can be held at a neutral position for a long time.

In addition, by providing a thumb insertion hole for inserting the thumb in a part of the palm belt, when the palm belt is wound, by inserting the thumb into the thumb insertion hole, It is possible to prevent improper pressure from the outside.

  According to the invention described in claim 2, since the traction belt, the palm belt and the wrist belt are formed in a single band shape, it is only necessary to wrap around the traction belt side in order, so even one patient can easily Can be installed.

  According to the third aspect of the present invention, since the axis of the palm belt and the axis of the wrist belt are formed so as to intersect at a predetermined angle, the belt can be securely attached along each axis of the palm portion and the wrist. Can be wound.

  According to the fourth aspect of the present invention, the traction belt is formed by folding one elastic belt into a U shape and fixing both ends to one end of the palm belt, thereby inserting the thumb into the loop of the traction belt. You can pull your thumb easily.

According to the fifth and sixth aspects of the present invention, by providing a fixing means for fixing the palm belt or the wrist belt in a state where the belts are wound around each other, the fixing force applied to the palm and the wrist can be adjusted to the patient's preference Can be used for a long time.

According to the seventh aspect of the present invention, the palm belt includes a first palm belt member that covers the palm side of the hand and a second palm member that covers the back side of the hand, and the first palm member is a connecting end of the traction belt. Since the width of the palm side belt is slightly narrowed from the center to the center, the palm side belt is slightly narrowed, so that the movement of the finger and the wrist can be reliably restrained.

  According to the invention described in claim 8, the thumb insertion hole is provided in the vicinity of the boundary between the first palm member and the second palm member so that the first palm member can The palm member can be securely arranged on the back side, and misuse can be prevented.

According to the ninth aspect of the present invention, the second palm belt member has the same width from the start end to the end, so that the hand and fingers are warped by reliably restraining the back side of the hand. Prevent and hold each part in a neutral position.

  FIG. 1 is a front view of a wrist joint fixture according to an embodiment of the present invention, and FIG. 2 is a rear view thereof. FIG. 3 is a cross-sectional view taken along line AA in FIG. 2, and FIGS. 4A to 4D are schematic views showing a procedure for using the wrist joint fixture.

  Referring to FIGS. 1 and 2, this wrist joint fixture 1 includes a traction belt 2 attached to a thumb F, a palm belt 3 wound from the palm of the hand H to the back, and a wrist L (both shown in the figure). 4), and a wrist belt 4 wound around the belt 4 and formed in a single band shape. In this example, the wrist joint fixture 1 will be described by taking the right hand as an example, but the left hand may have a symmetrical shape.

The traction belt 2 is made of a single belt-like body having elasticity, and a loop 21 that is hooked on the base of the thumb F is formed by folding back almost the center of the belt 2. End portions 22 and 22 of the traction belt 2 are integrally sewn to one end of a palm belt 3 described later.

  In this example, the traction belt 2 has a length from the leading end to the terminal end of about 130 mm, and is composed of a belt-like cord having a stretchability in which a rubber cord is knitted. The traction belt 2 may be either stretchable or non-stretchable, but it is preferable that the traction belt 2 is slightly stretchable to pull the thumb F toward the back of the hand.

  The palm belt 3 is formed of a belt-like body wound from the palm of the hand H to the back, and in this example, an elastic belt having elasticity is used. The palm belt 3 has a first palm belt member 31 disposed on the palm H1 (see FIG. 4) side and a second palm belt member 32 disposed on the back side, and these are coaxial along the axis L1. Thus, it is formed in a single belt shape.

The first palm belt member 31 is formed such that the belt width gradually increases from the tip (traction belt 2 side) toward the second palm belt member 32. According to this, since the belt widths of the first palm belt members 31 arranged along the palm H1 are different, it is possible to move the finger without restraining the movement of the finger joint.

  A first loop surface fastener as a first fixing means for fixing the palm belt 3 in a wound state on the surface of the first palm belt member 31 (the front side in FIG. 1 and the right side in FIG. 3). 33 is provided over almost the entire surface.

The second palm belt member 32 is formed of a belt-like body having the same stretchability as the first palm belt member 31 and is substantially the same belt from one end (the first palm belt member 31 side) to the other end (the wrist belt 4 side). It is formed in width .

According to this, since the belt width of the second palm belt member 32 holding the back side of the hand is the same, the joint of the hand and the finger of the hand is held by the second palm belt member 32. Can be prevented from warping in the opposite direction.

  In this example, the first palm belt member 31 has an axial length of 100 mm, the second palm belt member 32 has an axial length of 160 mm, and a width of about 70 mm.

A thumb insertion hole 34 is provided between the first palm belt member 31 and the second palm belt member 32 for pulling out the thumb F when the palm belt 3 is wound. The thumb insertion hole 34 is formed in an elliptical shape with a long axis arranged along the width direction of the palm belt 3. By pulling out the thumb F from the thumb insertion hole 34, the palm belt 3 is attached to the palm belt 3. Can be completely wound around.

  A wrist belt 4 is connected to the other end of the palm belt 3. The wrist belt 4 is made of an elastic belt made of the same material as the palm belt 3 described above, and has substantially the same width as the second palm belt member 32.

  The wrist belt 4 is disposed in a state where the axis L2 is inclined at a predetermined angle with respect to the axis L1 of the palm belt 3. In this example, the wrist belt 4 has an axial length of 210 mm and a width of 70 mm. Further, the opening angle θ between the axis L2 and the axis L1 of the palm belt is about 160 °, but the opening angle θ may be arbitrarily set according to the specification.

  As shown in FIG. 2, the first loop surface fastener 33 of the palm belt 3 is engaged with the first loop surface fastener 33 of the palm belt 3 on the back surface side (left side surface in FIG. 3) around the connecting portion of the palm belt 3 and the wrist belt 4. A one hook surface fastener 35 is provided.

As shown in FIG. 1, on the front side (right side in FIG. 3) around the connecting portion between the palm belt 3 and the wrist belt 4, the second fixing means for fixing the wrist belt 4 while being wound around the wrist. the second loop surface fastener 41 as is eclipsed set.

  A second hook surface fastener 42 that is engaged with the second loop surface fastener 41 described above is provided at the tip of the back surface (FIG. 2) of the wrist belt 4.

  Next, an example of a procedure for using the wrist joint fixture 1 will be described with reference to FIG. First, as shown in FIG. 4 (a), the loop 21 of the traction belt 2 is inserted and hooked on the thumb F of the patient's hand H that has been spread, and then the traction belt 2 is drawn toward the back of the hand H2.

  The pulling belt 2 pulls the thumb F toward the back H2 of the hand, so that the thumb F is prevented from being bent (palstally bent) toward the palm H1. Next, as shown in FIG. 4B, the tip of the first palm belt member 31 of the palm belt 3 is arranged at the boundary between the back of the hand H1 and the little finger of the palm H1, and the first palm belt member 31 is placed on the palm H1 side. The line connecting the palm joint of the second finger and the fifth finger is wound so that the axis L1 is parallel.

At this time , the thumb F is inserted into the thumb insertion hole 34 provided between the first palm belt member 31 and the second palm belt member 32. After inserting the thumb F, the second palm belt member 32 is wrapped around the back H2 side of the hand, and the first hook surface fastener 35 is engaged with the first loop surface fastener 33 disposed on the palm H1 side. The palm belt 3 is fixed along the winding.

  Next, as shown in FIG. 4 (c), the wrist belt 4 extending obliquely from one end of the palm belt 3 toward the wrist L is wound around the wrist L, and then as shown in FIG. 4 (d). Next, the second hook hook-and-loop fastener 42 is engaged with the second loop hook-and-loop fastener 41. Thereby, the wrist belt 4 is wound around a part of the palm belt 3 so as to overlap.

  As described above, the wrist joint fixture 1 is attached to the hand H through a series of operations. According to this, the traction belt 2 can be wound around the thumb F without excessive dorsiflexion. In addition, the wrist joint and thumb joint (thumb MP joint) can be fixed in a limb position at a neutral position. Furthermore, the palm joint and the dorsiflexion of the wrist joint can be restricted by fixing the wrist joint and the wrist together. Furthermore, all attachment work and removal work can be performed by the patient himself.

  The wrist joint fixture 1 of the present invention is used for treatment of diseases such as various tendonitis such as distal radius fractures, scaphoid fractures, metacarpal fractures, carpal trunk syndrome, stenotic tendonitis (Dukervan tendonitis), and cast fixation. If it is for fixing the wrist joint, such as for subsequent fixation, it can be used for various purposes.

The front view of the wrist joint fixture concerning one embodiment of the present invention. The rear view of the said wrist joint fixing tool. FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. (A)-(d) Explanatory drawing explaining the attachment procedure of a wrist joint fixing tool.

1 wrist joint fixture 2 traction belt 3 palm belt 31 first palm belt member 32 second palm belt member 33 first loop surface fastener (first fixing means)
34 thumb insertion hole 35 first hook surface fastener (first fixing means)
4 Wrist belt 41 Second loop surface fastener (second fixing means)
42 Second hook surface fastener (second fixing means)

Claims (9)

In the wrist joint fixing tool that fixes the joint of the hand,
Placed along the back with the thumb hooked, the traction belt pulling the thumb toward the back side, and one end extended to the end of the traction belt, wound from the palm to the back A palm belt and a wrist belt extending from the other end of the palm belt and wound around the wrist;
A part of the palm belt is provided with a thumb insertion hole through which the thumb is inserted in a state where the thumb is pulled toward the back side by the pulling belt. Joint fixture.   The wrist joint fixture according to claim 1, wherein the traction belt, the palm belt, and the wrist belt are formed in a single band shape.   The wrist joint fixing tool according to claim 1 or 2, wherein an axis of the palm belt and an axis of the wrist belt are formed so as to intersect at a predetermined angle.   4. The wrist joint fixing tool according to claim 1, wherein the traction belt is formed by folding one elastic belt into a U shape and fixing both ends thereof to one end of the palm belt. The palm belt, wrist fixture according to any one of claims 1 to 4, characterized in that it comprises a first securing means for securing in a state wound toward hand-back from the palm. The wrist joint fixing device according to any one of claims 1 to 5 , wherein the wrist belt is provided with second fixing means for fixing the wrist belt while being wound around the wrist. The palm belt includes a first palm belt member that covers the palm side of the hand and a second palm belt member that covers the back side of the hand, and the first palm member extends from the connecting end of the traction belt to the second palm belt. The wrist joint fixing tool according to any one of claims 1 to 6 , wherein the wrist joint fixing tool is formed so as to gradually increase in width toward the member. 8. The wrist joint fixing tool according to claim 7, wherein the thumb insertion hole is provided in the vicinity of a boundary between the first palm member and the second palm member. The wrist joint fixing device according to claim 7 or 8 , wherein the second palm belt member has substantially the same width from the start end to the end end.

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