Power brace for improving internal muscle force of hand after hand trauma operation

Abstract

The utility model discloses a power brace for improving the internal muscle strength of the hand after hand trauma operation, and relates to the field of internal muscle strength training appliances of the hand, the power brace comprises a hand back thermoplastic plate, a thumb thermoplastic plate, a four-finger thermoplastic plate and a torsion spring, the hand back thermoplastic plate is matched with the metacarpal bone of the hand back, one side edge of the hand back thermoplastic plate is folded towards the direction of the metacarpal surface to form a hook part, and the other side edge of the hand back thermoplastic plate is folded towards the metacarpal surface. The hand back thermoplastic plate, the thumb thermoplastic plate and the four-finger thermoplastic plate can be customized according to the size of the hand of a patient, the torsion spring can be replaced according to different strength of the hand of the patient, and the torsion spring can play a role in connecting the hand back thermoplastic plate and the four-finger thermoplastic plate, so that the metacarpal bone and the proximal phalanx are located at the 90-degree position; and the patient actively stretches the finger joints of the index finger, the middle finger, the ring finger and the little finger to achieve the effect of exercising the internal muscles of the hand, so that the muscle force can be enhanced, the muscle atrophy can be prevented, the nerve recovery can be promoted, and the hand function can be improved.

Description

Technical Field

[0001] The utility model belongs to the field of hand intrinsic muscle strength training devices, and in particular relates to a power brace for improving the hand intrinsic muscle strength after hand injury surgery. Background Art

[0002] Injury to the median and ulnar nerves in the forearm caused by hand trauma may cause muscle atrophy in the areas innervated by the corresponding nerves.

[0003] This type of muscle atrophy is caused by the obstruction of the transmission of nerve signals. If rehabilitation training is not performed, the muscles will not be able to receive training and stimulation normally, which will affect the function and volume of the muscles.

[0004] Therefore, we proposed a dynamic brace to enhance the intrinsic muscle strength of the hand after hand trauma surgery to solve the above problems. Utility Model Content

[0005] In view of the problem that the median nerve and ulnar nerve damage in the forearm caused by hand trauma will not be able to receive training and stimulation normally if rehabilitation training is not performed, thus affecting the function and volume of the muscles. The utility model provides a power brace for improving the intrinsic muscle strength of the hand after hand trauma surgery.

[0006] The utility model solves the technical problem by adopting a solution: a power brace for improving the intrinsic muscle strength of a hand after hand trauma surgery, comprising a hand back thermoplastic plate, a thumb thermoplastic plate, four finger thermoplastic plates and a torsion spring, wherein the hand back thermoplastic plate is adapted to the hand back metacarpal bone, and one side of the hand back thermoplastic plate is folded toward the palm surface to form a hook;

[0007] The thumb thermoplastic plate is integrally connected to the other side of the hand back thermoplastic plate, and the inner concave surface of the thumb thermoplastic plate is adapted to the back of the thumb;

[0008] The cross section of the thermoplastic plate of the four fingers is U-shaped, and its inner concave surface is adapted to the back of the index finger, middle finger, ring finger and little finger;

[0009] The outer surface edge of the thermoplastic plate of the four fingers extends upward and then folds inward to form an edge concave wall;

[0010] The torsion spring is located between the thermoplastic plate on the back of the hand and the thermoplastic plate on the four fingers, one end of which is equipped with a clamping joint, which is arranged in the concave cavity of the edge concave wall, and the other end of the torsion spring is detachably connected to the thermoplastic plate on the back of the hand through a fixing piece.

[0011] Preferably, a plurality of rubber bands are installed between the edge of the hook portion and the edge of the thermoplastic plate of the thumb portion.

[0012] Preferably, the method further includes a Velcro hook surface and a Velcro fleece surface, the Velcro fleece surface is installed on the outer surface of the thermoplastic plate on the back of the hand, one end of the Velcro hook surface is connected to the outer surface of the thermoplastic plate on the thumb, and the other end thereof goes around the palm and is connected to the Velcro fleece surface.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The thermoplastic plate for the back of the hand, the thermoplastic plate for the thumb and the thermoplastic plate for the four fingers of the utility model can be customized according to the size of the patient's hand, and the torsion spring can be replaced according to the different strengths of the patient's hand. The torsion spring can connect the thermoplastic plate for the back of the hand and the thermoplastic plate for the four fingers, so that the metacarpal bone and the proximal phalanx are at a 90-degree position, and the lumbrical muscles and palmar interosseous muscles of the hand are kept relaxed. The patient can actively stretch the knuckles of the index finger, middle finger, ring finger and little finger to exercise the intrinsic muscles of the hand, thereby enhancing muscle strength, preventing muscle atrophy, promoting nerve recovery and improving hand function.

[0015] 2. The utility model connects the thumb thermoplastic plate with the other side of the hand back thermoplastic plate as a whole, so that the thumb is in the palm-opposing position, the thenar is kept relaxed, and by arranging a rubber band, the thumb thermoplastic plate and the hand back thermoplastic plate can be pulled to further keep the thenar relaxed, so that the thenar is exercised by abducting the thumb.

[0016] 3. The utility model is used to fix the thumb thermoplastic plate and the hand back thermoplastic plate by arranging the Velcro hook surface and the Velcro fleece surface, so as to prevent the thumb thermoplastic plate and the hand back thermoplastic plate from slipping off toward the proximal side or the distal side. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a rear view structural diagram of the utility model;

[0019] Figure 3 It is a front view structural diagram of the back of the hand and the thumb of the utility model.

[0020] In the figure: 11 a thermoplastic plate for the back of the hand, 12 a thermoplastic plate for the thumb, 2 a thermoplastic plate for the four fingers, 21 an edge concave wall, 31 a Velcro hook surface, 32 a Velcro fleece surface, 41 a torsion spring, 42 a fixing piece, 43 a clamping joint, and 5 a rubber band. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-3 The utility model provides a technical solution for a power brace to enhance the intrinsic muscle strength of the hand after hand trauma surgery:

[0023] Embodiment 1:

[0024] according to Figure 1-3 As shown, it includes a hand back thermoplastic plate 11, a thumb thermoplastic plate 12, four finger thermoplastic plates 2 and a torsion spring 41. The hand back thermoplastic plate 11 is adapted to the hand back metacarpal bone, and one side of the hand back thermoplastic plate 11 is folded toward the palm surface to form a hook portion, thereby increasing the contact area with the patient's hand and preventing the hand back thermoplastic plate 11 from slipping off the hand.

[0025] The thumb thermoplastic plate 12 is integrally connected to the other side of the hand back thermoplastic plate 11, and the inner concave surface of the thumb thermoplastic plate 12 fits the back of the thumb, so that the thumb is in the palm-opposing position and the thenar is kept relaxed.

[0026] The cross-section of the four-finger thermoplastic plate 2 is U-shaped, and its inner concave surface is adapted to the backs of the index finger, middle finger, ring finger and little finger. The back of the hand thermoplastic plate 11, the thumb thermoplastic plate 12 and the four-finger thermoplastic plate 2 can be customized according to the size of the patient's hand to ensure that the patient is comfortable to wear and improve the training and rehabilitation effects.

[0027] The outer surface edge of the four-finger thermoplastic plate 2 extends upward and then folds inward to form an edge concave wall 21 .

[0028] The torsion spring 41 is located between the thermoplastic plate 11 on the back of the hand and the thermoplastic plate 2 on the four fingers, and a clamping joint 43 is installed at one end of the torsion spring 41. The clamping joint 43 is arranged in the concave cavity of the edge concave wall 21. The other end of the torsion spring 41 is detachably connected to the thermoplastic plate 11 on the back of the hand through a fixing member 42. The torsion spring 41 can be replaced according to the different strengths of the patient's hand, and the torsion spring 41 can connect the thermoplastic plate 11 on the back of the hand and the thermoplastic plate 2 on the four fingers, so that the metacarpal bone and the proximal phalanx are at a ninety-degree position, keeping the lumbrical muscles and palmar interosseous muscles of the hand relaxed. The patient can exercise the intrinsic muscles of the hand by actively stretching the knuckles of the index finger, middle finger, ring finger and little finger, thereby enhancing muscle strength, preventing muscle atrophy, promoting nerve recovery and improving hand function.

[0029] A plurality of rubber bands 5 are installed between the edge of the hook and the edge of the thumb thermoplastic plate 12. By providing the rubber bands 5, the thumb thermoplastic plate 12 and the hand back thermoplastic plate 11 can be pulled to further keep the thenar relaxed, and the thenar can be exercised by abducting the thumb.

[0030] When used specifically, the utility model is a power brace for improving the intrinsic muscle strength of the hand after hand injury surgery. First, the hand is inserted between the hand back thermoplastic plate 11 and the rubber band 5, and the hand back thermoplastic plate 11 and the thumb thermoplastic plate 12 are respectively worn on the patient's hand back metacarpal bone and thumb, and then the four-finger thermoplastic plate 2 is worn on the index finger, middle finger, ring finger and little finger;

[0031] Then, a corresponding torsion spring 41 is selected according to the patient's hand strength, and the torsion spring 41 is installed on the thermoplastic plate 11 on the back of the hand through the fixing piece 42, and the clamping joint 43 is clamped in the concave cavity of the edge concave wall 21. Finally, the patient actively stretches the knuckles of the index finger, middle finger, ring finger and little finger to achieve the effect of exercising the intrinsic muscles of the hand.

[0032] Embodiment 2:

[0033] On the basis of the first embodiment, Figure 1 and Figure 2 As shown, it also includes a Velcro hook surface 31 and a Velcro fleece surface 32. The Velcro fleece surface 32 is installed on the outer surface of the thermoplastic plate 11 on the back of the hand. One end of the Velcro hook surface 31 is connected to the outer surface of the thermoplastic plate 12 of the thumb, and the other end thereof passes around the palm and is connected to the Velcro fleece surface 32. The Velcro hook surface 31 and the Velcro fleece surface 32 are provided to fix the thermoplastic plate 12 of the thumb and the thermoplastic plate 11 on the back of the hand to prevent the thermoplastic plate 12 of the thumb and the thermoplastic plate 11 from slipping proximally or distally.

Claims

1. A power brace for improving the intrinsic muscle strength of the hand after hand trauma surgery, characterized in that: It includes a hand back thermoplastic plate, a thumb thermoplastic plate, four finger thermoplastic plates and a torsion spring. The hand back thermoplastic plate is adapted to the hand back metacarpal bone, and one side of the thermoplastic plate is folded toward the palm surface to form a hook. The thumb thermoplastic plate is integrally connected to the other side of the hand back thermoplastic plate, and the inner concave surface of the thumb thermoplastic plate is adapted to the back of the thumb; The cross section of the thermoplastic plate of the four fingers is U-shaped, and its inner concave surface is adapted to the back of the index finger, middle finger, ring finger and little finger; The outer surface edge of the thermoplastic plate of the four fingers extends upward and then folds inward to form an edge concave wall; The torsion spring is located between the thermoplastic plate on the back of the hand and the thermoplastic plate on the four fingers, one end of which is equipped with a clamping joint, which is arranged in the concave cavity of the edge concave wall, and the other end of the torsion spring is detachably connected to the thermoplastic plate on the back of the hand through a fixing piece.

2. The power brace for improving the intrinsic muscle strength of the hand after hand trauma surgery according to claim 1, characterized in that: A plurality of rubber bands are installed between the edge of the hook portion and the edge of the thermoplastic plate of the thumb portion.

3. The power brace for improving the intrinsic muscle strength of the hand after hand trauma surgery according to claim 1, characterized in that: It also includes a Velcro hook surface and a Velcro fleece surface. The Velcro fleece surface is installed on the outer surface of the thermoplastic plate on the back of the hand. One end of the Velcro hook surface is connected to the outer surface of the thermoplastic plate on the thumb, and the other end of the Velcro fleece surface goes around the palm surface and is connected to the Velcro fleece surface.

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