JP7072138B2 - Wrist orthotic device - Google Patents

Description

The present invention relates to a wrist joint device that is attached to a wrist joint site of a patient with a wrist joint injury, particularly a TFCC injury, and fixes the wrist joint.

Wrist joints can be damaged when twisted or overused in sports or work. A typical disease is triangular fibrocartilage complex injury. This disease, also called TFCC injury (Triangular Fibrocartilage Complex Industries), is a disease caused by excessive stress on the triangular fibrocartilage complex (TFCC), which acts as a load distribution and cushion for the wrist joint (hereinafter referred to as). , TFCC damage). This TFCC injury causes pain due to flexor carpi ulnaris of the wrist joint and rotational movement of the arm.

A wrist joint device for fixing a wrist joint for alleviation and treatment of such pain of wrist joint injury is disclosed (Patent Document 1). In addition, as a wrist joint fixture that allows the patient to attach and detach by himself and stably fix the wrist joint, a traction belt that hooks the thumb, a palm belt that winds from the palm to the back of the hand, and a wrist belt that winds along the wrist. A wrist joint fixture provided with a wrist belt is disclosed (Patent Document 2).

Japanese Patent Application Laid-Open No. 2003-061995 Japanese Unexamined Patent Publication No. 2010-029501

There is a demand for wrist orthotic devices that can be reliably worn by a patient alone and can stably fix a painful joint site. However, the conventional wrist joint orthotic device has a problem that it hinders the movement of the hand such as grasping an object after wearing it.

The present invention has been made in view of such a situation, and the patient can wear the wrist joint orthotic device by himself / herself, and the pain does not interfere with the movement of the hand such as grasping an object after wearing the device. It is an object of the present invention to provide a wrist joint device capable of stably fixing a certain joint site.

In order to solve the above problems, the wrist joint device according to the embodiment of the present invention includes at least a main body portion that presses the wrist and a finger insertion portion provided in the main body portion and having an opening. The main body portion is wound around the wrist after the finger insertion portion is attached to the finger, and the finger insertion portion is removed from the finger and fixed to the main body portion after the winding of the main body portion is completed.

According to the wrist joint orthotic device according to the present invention, the patient can easily wear it by himself and stably fix the painful joint part without affecting the movement of the hand after wearing. be able to.

It is a schematic diagram which shows the outer surface of the wrist joint orthotic device which concerns on embodiment of this invention in an open state. It is a schematic diagram which shows the inner side surface of the wrist joint orthotic device which concerns on embodiment of this invention in an open state. It is a schematic diagram which shows the modification of the finger insertion part which concerns on this invention. It is a schematic diagram which shows the attachment procedure of the wrist joint device which concerns on embodiment of this invention. It is a schematic diagram which shows the attachment procedure of the wrist joint device which concerns on embodiment of this invention. It is a schematic diagram which shows the attachment procedure of the wrist joint device which concerns on embodiment of this invention. It is a schematic diagram which shows the attachment procedure of the wrist joint device which concerns on embodiment of this invention. It is a schematic diagram which shows the state after wearing the wrist orthotic device which concerns on embodiment of this invention.

Hereinafter, suitable embodiments for carrying out the present invention will be described with reference to the drawings. It should be noted that the embodiments described below show an example of a typical embodiment of the present invention, and the scope of the present invention is not narrowly interpreted by this. The present invention can also be combined with any of the following examples and variations thereof.

(1) Configuration of Wrist Joint Orthotic Device The configuration of the wrist joint orthotic device 1 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 3. The description of the common reference numerals in the drawings will be omitted unless otherwise required.

FIG. 1 is a schematic view showing an outer surface of the wrist joint orthotic device 1 according to the present embodiment in an open state. Here, the outer surface is an outer surface that does not come into contact with the hand when the wrist joint orthotic device 1 is attached to the hand. FIG. 2 is a schematic view showing an inner surface of the wrist joint orthotic device 1 according to the present embodiment in an open state. Here, the inner surface is an inner surface that comes into contact with the hand when the wrist joint orthotic device 1 is attached.
The wrist joint orthotic device 1 according to the present embodiment is composed of a main body portion 2, a finger insertion portion 3, and a fixing belt 4. The main body 2 is a horizontally long strip that is wrapped around the wrist to fix the wrist joint. The finger insertion portion 3 is a band-shaped body to be attached to the finger when the main body portion 2 is wrapped around the wrist, and is fixed to the main body portion 2 by a connecting portion 30. Further, the fixing belt 4 is a strip-shaped body wound around the outer periphery of the main body portion 2, and is fixed to the central portion 21 of the main body portion 2. Hereinafter, each part will be described in more detail.

(1-1) About the main body 2 The main body 2 is a band-shaped body wrapped around the wrist. As shown in FIG. 1, the main body 2 is composed of a central portion 21 and two end portions 22 and 23. The central portion 21 is a portion that hits the radial side of the wrist when the main body portion 2 is wrapped around the wrist, and the end portions 22 and 23 are portions that hit the ulnar side of the wrist. It is preferable that at least one or both of the end portion 22 or the end portion 23 is wider than the central portion 21. By making the ends 22 and 23 wider than the central portion 21, the ulnar side can be fixed more stably. In addition, since the palm can be prevented from being covered as much as possible, it is possible to reduce the influence on the movement of the hand such as grasping an object. Further, by wrapping the main body 2 around the hand so that the ends 22 and 23 touch the ulnar side of the wrist, only the joint portion on the ulnar side that needs to be fixed can be firmly fixed.

The shapes of the two ends 22 and 23 are not limited to a substantially hexagonal shape and a circular shape, but the end portion 22 has a substantially pentagonal shape and the end portion 23 has a substantially hexagonal shape. Any shape may be used as long as it can be fixed to. The length of the central portion 21 is preferably 50 mm to 85 mm. Further, the width of the central portion 21 is preferably 50 mm to 75 mm.

As shown in FIG. 2, a pad 24 for pressing the ulna may be provided on the inner surface of the end portion 22 of the main body portion 2. By providing the pad 24, further compression can be applied to the distal radial joint, which is functionally affected by TFCC, and the joint portion on the ulnar side that needs to be fixed can be firmly fixed. Further, a hook-and-loop fastener portion 25 may be provided on the inner surface of the end portion 23. As a result, after the main body 2 is wrapped around the wrist, it can be engaged with the outer surface of the main body 2 to fix the main body 2 with any strength. The length of the pad 24 is preferably 25 mm or more, and the width is preferably 25 mm or more.

The thread material constituting the main body 2 may be either natural fiber or chemical fiber, for example, polyamide fiber, polyester fiber, acrylic fiber, cellulose fiber (cotton, rayon, polynosic, lyocell, etc.), polyurethane. Fibers, polyolefin fibers (polyethylene, polypropylene, etc.), acetate fibers, polyvinylidene chloride fibers, polyvinyl chloride fibers, yarns using hair (wool, animal hair, etc.) alone, or a mixture of these fibers. Can be used. As the type of yarn, monofilament, multifilament, plyed yarn, covered yarn, core yarn and the like can be used, and those subjected to expansion / contraction processing, bulky processing and the like may be used.

Further, as the knitting of the main body portion 2, various knitting structures of warp knitting or weft knitting can be used. Knitted fabrics, flat knitted fabrics, tricot fabrics, Russell fabrics, pile knitted fabrics, splicing yarn knitted fabrics, etc. can be used.

Here, the double Russell fabric is made by connecting loops called loops while making stitches from a single thread, and the elasticity of the loop can contribute to the stretching force, and it is possible to allow air to pass through this loop. can. Therefore, by using the double Russell fabric, breathability can be ensured.

As the material of the pad 24, an elastomer material such as polyurethane, chloroprene rubber, natural rubber, polyester, polypropylene, or acrylic can be used.

The outer surface of the main body 2 is preferably a hook-and-loop fastener in which the thread material is raised in a loop shape in order to fix the main body 2 or engage the finger insertion portion 3.

(1-2) About the finger insertion portion The finger insertion portion 3 is a band-shaped body that is attached to the finger when the main body portion 2 is wound around the wrist and is removed from the finger after the winding is completed. The finger to which the finger insertion portion 3 is attached may be any of the five fingers, but is preferably the thumb from the viewpoint of making it easy to remove the finger insertion portion 3.

As shown in FIG. 1, the finger insertion portion 3 is composed of two strip-shaped bodies 3a and 3b. The two strips 3a and 3b are fixed to the main body 2 by a connecting portion 30, and have an opening 31 for inserting a finger between the two strips 3a and 3b. By being composed of two strips, it becomes easier to follow the change in the direction of the finger insertion portion 3 as compared with the case of being composed of one strip, and when the finger is inserted, the main body 2 and the finger are inserted. It becomes possible to confirm the mounting position in a state where the mounting position is in close contact with the portion 3 without floating. Further, by making the shape widened from the free end 32 of the finger insertion portion 3 toward the connecting portion 30, the width of the opening 31 formed between the two strips 3a and 3b becomes wider, and the finger The insertion portion 3 can be easily removed from the finger.
The connecting portion 30 is preferably fixed along the central axis M of the main body portion 2. By making the finger insertion portion 3 foldable with the connecting portion 30 as a base point, the wrist joint orthotic device 1 can be used for both the right hand and the left hand.

The free end 32 of the finger insertion portion 3 is provided with a detachable portion 33 that can be attached to and detached from the main body portion 2. The attachment / detachment portion 33 may be provided with hook-and-loop fasteners or the like on both sides of the free end 32, or may be provided on only one of the surfaces. By providing the attachment / detachment portion 33, the finger insertion portion 3 can be removed from the finger and then fixed to the main body portion 2, and the finger insertion portion 3 can be used without hanging around and affecting the movement of the hand or the like. The appearance is not spoiled.

The length of the finger insertion portion 3 in the longitudinal direction is preferably 7.5 cm to 11 cm so that the finger insertion portion 3 can be easily removed from the finger. By setting the finger insertion portion 3 to the above length, the attachment position can be adjusted so that the end portions 22 and 23 touch the ulnar side when the main body portion 2 is attached to the hand. The thickness of the finger insertion portion 3 is preferably 0.1 mm to 5 mm so that the finger insertion portion 3 can be easily removed and is not bulky when fixed to the main body portion 2. The width of the band-shaped body 3a or the band-shaped body 3b is preferably 0.5 cm to 3 cm, respectively, and it is more preferable that the band-shaped bodies 3a and 3b have the same width.

The thread material constituting the finger insertion portion 3 may be any of natural fibers and chemical fibers, for example, polyamide fibers, polyester fibers, acrylic fibers, cellulose fibers (cotton, rayon, polynosic, lyocell, etc.), and the like. Polyurethane fiber, polyolefin fiber (polyethylene, polypropylene, etc.), acetate fiber, polyvinylidene chloride fiber, polyvinyl chloride fiber, yarn using hair (wool, animal hair, etc.) alone, or these fibers Mixed threads can be used. As the type of yarn, monofilament, multifilament, plyed yarn, covered yarn, core yarn and the like can be used, and those subjected to expansion / contraction processing, bulky processing and the like may be used.

Further, as the knitting of the finger insertion portion 3, various knitting structures of warp knitting or weft knitting can be used. Russell fabric, pile knitted fabric, thread knitted fabric, etc. can be used.

The attachment / detachment portion 33 can adopt a known attachment / detachment means, and may be, for example, a hook-and-loop fastener, a button, a hook, a string, or the like. Among these, attachment / detachment means that do not become bulky when fixed to the main body 2 and do not impair the appearance are preferable, and among them, a hook-and-loop fastener is particularly preferable.

FIG. 3 shows a modified example of the finger insertion portion 3. The finger insertion portion 3 may have one strip-shaped body shown in FIG. 3 (A) configured in a loop shape, or may have a configuration in which a slit is provided in one strip-shaped body shown in FIG. 3 (B). Further, a configuration in which a triangular or trapezoidal opening 31 is provided in one strip shown in FIGS. 3C and 3D may be used. The attachment / detachment portion 33 can be provided in common in these modified examples.

(1-3) Fixed belt The fixed belt 4 is a band-shaped body provided on the outer surface of the main body 2 and further presses the wrist joint. As shown in FIG. 1, the tip of the fixed belt 4 is composed of branching portions 41a and 41b, and is preferably bifurcated. By bifurcating the tip, the fixing strength of the fixing belt 4 can be finely adjusted. The outer surface of the fixing belt 4 is preferably a hook-and-loop fastener in which the thread material is raised in a loop shape in order to fix the fixing belt 4. Here, the outer surface of the fixed belt 4 is a surface on which the fixed belt 4 does not contact the main body 2. The fixed belt 4 may be provided at any position on the outer surface of the main body 2 as long as it is provided on the outer surface of the main body 2.

Surface fastener portions 42a and 42b are provided on the inner surface of the tips of the branched portions 41a and 41b of the fixed belt 4. After wrapping the fixing belt 4 around the wrist, the fixing belt 4 can be fixed with an arbitrary strength by engaging the outer surface of the fixing belt 4 with the branched portions 41a and 41b. Here, the inner surface of the fixed belt 4 is a surface where the fixed belt 4 is in contact with the main body 2.

The thread material constituting the fixed belt 4 may be any of natural fibers and chemical fibers, for example, polyamide fibers, polyester fibers, acrylic fibers, cellulose fibers (cotton, rayon, polynosic, lyocell, etc.), polyurethane. Fibers, polyolefin fibers (polyethylene, polypropylene, etc.), acetate fibers, polyvinylidene chloride fibers, polyvinyl chloride fibers, yarns using hair (wool, animal hair, etc.) alone, or a mixture of these fibers. Can be used. As the type of yarn, monofilament, multifilament, plyed yarn, covered yarn, core yarn and the like can be used, and those subjected to expansion / contraction processing, bulky processing and the like may be used.

As the knitting of the fixed belt 4, various knitting structures of warp knitting or weft knitting can be used. Pile knitted fabric, thread knitted fabric, etc. can be used.

In the wrist joint orthotic device 1 according to the present embodiment, not only the above structure but also other known engagement structures can be adopted, and for example, a buckle, a snap button, or the like may be used.

(2) Example of Wearing Procedure for Wrist Joint Device Next, an example of the mounting procedure for the wrist joint device 1 according to the present embodiment will be described with reference to FIGS. 4 to 8. The description of the common reference numerals in the drawings will be omitted unless otherwise required. In this embodiment, an example of a procedure for attaching to the wearer's right hand RH will be described. The wrist joint orthotic device according to the present invention can be attached to either the left or right hand of the wearer by bending the finger insertion portion 3 in the opposite direction to that when the right hand is worn.

First, as shown in FIG. 4, after the finger insertion portion 3 is attached to the right thumb RF, the inner surface of the main body portion 2 is applied to the palm side of the right hand RH, and the main body is provided so that the end portion 22 touches the ulna of the right hand RH. Pull the part 2 and turn it from the palm side to the instep side and wrap it around the wrist. Then, as shown in FIG. 5, the hook-and-loop fastener portion 25 is engaged with the outer surface of the main body portion 2 and temporarily fixed to the wrist.

Next, as shown in FIG. 6, the finger insertion portion 3 attached to the right thumb RF is removed, and the free end 32 is fixed to the outer surface of the main body portion 2 by using the attachment / detachment portion 33. At this time, it is preferable that the finger insertion portion 3 is brought into close contact with the main body portion 2 and fixed.

Then, as shown in FIGS. 7 and 8, the fixing belt 4 is pulled, turned from the palm side to the instep side, wrapped around the wrist, and the branched portions 41a and 41b are fixed to the fixing belt 4 using the hook-and-loop fastener portions 42a and 42b. .. At this time, since the fixing belt 4 fixes the finger inserting portion 3 from the outside, the finger inserting portion 3 is sandwiched between the main body portion 2 and the fixing belt 4. Therefore, it is possible to prevent the finger insertion portion 3 from coming off the main body portion 2 and hanging around.

As shown in FIG. 8, in the wrist joint orthotic device 1 according to the present embodiment, the ulnar side can be stably fixed by making the end portions 22 and 23 wider than the central portion 21. On the other hand, by making the central portion 21 narrower than the end portions 22 and 23 and minimizing the fixing range on the radial side, it is possible to reduce the influence on the hand movement such as grasping an object after mounting.

As described above, in the wrist joint device 1 according to the present embodiment, after the finger insertion portion 3 is attached to the right hand thumb RF, the main body portion 2 is wrapped around the wrist and the finger insertion portion 3 is fixed to the main body portion 2. Further, by winding the fixing belt 4, it can be easily attached with one hand, and the ulnar side can be stably fixed without disturbing the movement of the hand.

That is, the wrist joint orthotic device according to the present invention can be easily worn by a patient alone, and can stably fix a painful joint portion without affecting the movement of the hand after wearing.

1 Wrist joint orthotic device 2 Main body 3 Finger insertion part 4 Fixed belt 21 Central part 22, 23 End part 25, 42a, 42b Surface fastener part 30 Connecting part 31 Opening part 32 Free end 33 Detachable part 41a, 41b Branching part RH Right hand RF right thumb

Claims (7)

The main body that presses on the wrist and
A finger insertion portion provided in the main body portion and having an opening is provided at least.
The main body portion is wrapped around the wrist after the finger insertion portion is attached to the finger.
The finger insertion portion is removed from the finger after the winding of the main body portion is completed and fixed to the main body portion.
A wrist joint orthotic device provided with a detachable portion that can be attached to and detached from the main body portion at the free end of the finger insertion portion . The main body is composed of a central portion and two end portions.
The wrist orthotic device according to claim 1, wherein at least one of the two ends is wider than the central portion. The wrist joint according to claim 2, wherein the main body portion is wound around the wrist by turning the wide end portion from the palm side to the instep side so that the wide end portion touches the ulna after the finger insertion portion is attached to the finger. Equipment. The wrist orthotic device according to claim 3, further comprising a pad at a position where the wide end abuts on the ulna. The wrist joint device according to any one of claims 1 to 4, further comprising a fixing belt wrapped around the outer periphery of the main body portion. The wrist joint device according to claim 5, wherein the finger insertion portion is removed from the finger after the winding of the main body portion is completed, and is sandwiched and fixed between the main body portion and the fixing belt. The wrist joint according to any one of claims 1 to 6, wherein the opening is widened from the free end side of the finger insertion portion toward the connecting portion between the finger insertion portion and the main body portion. Equipment.

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