Portable external fixation device suitable for hand fracture patient

By using portable external fixation devices to fix the wrist and fingers separately, the problems of bulky and improper fixation of traditional devices are solved, achieving stable fixation and rapid healing for patients with hand fractures, and reducing the risk of pain and muscle atrophy.

CN223874062UActive Publication Date: 2026-02-06JINAN HONGXIN PLASTIC MOULD CO LTD
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Patent Information

Application Number
CN202520467356.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-06
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Traditional external fixation devices for hand fractures are bulky, restrict patients' freedom of movement, affect their daily lives, and may lead to muscle atrophy and other complications with prolonged use. Furthermore, they cannot effectively fix the wrist and fingers, thus affecting rehabilitation outcomes.

Method used

A portable external fixation device was designed, including a support block, a support wrist plate, a finger groove, and a thumb groove. The wrist and fingers are fixed by limiting plates and screws, providing separate fixation, reducing unnecessary movement, and promoting fracture healing.

Benefits of technology

It achieves stable fixation of the wrist and fingers, reduces rehabilitation time, alleviates pain, promotes fracture healing, improves treatment compliance, and reduces the risk of muscle atrophy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a portable external fixing device suitable for a hand fracture patient, and relates to the technical field of fracture rehabilitation. An arc-shaped groove is formed in the middle of the bearing block, and two through round holes are formed in the middle of the arc-shaped groove. The wrist of a patient can be fixed and limited through the limiting plate, four fingers can be fixed through the four finger grooves respectively, the thumb can be fixed and limited by the thumb groove and the thumb positioning plate, and therefore the fingers and the wrist can be fixed and limited respectively, the rehabilitation time of the wrist and the fingers is saved, the fracture end can be ensured not to move through wrist and finger fixing, and the rehabilitation effect is good. The device is simple in structure and convenient to use, bone healing is facilitated, movement of fracture parts can be reduced through good fixation, so that pain is relieved, and the problems that the wrist and the fingers of a patient are fractured and need to be fixed and limited respectively, otherwise, the wrist and the fingers are fixed together infirmly due to the too long distance, and the rehabilitation time of the wrist and the fingers is affected are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fracture rehabilitation technical field especially suitable for portable external fixation device for hand fracture patient. BACKGROUND

[0002] Hand fracture is a common injury, patients often need to wear external fixation device to maintain the stability of the skeleton and promote healing, the traditional external fixation device is usually bulky, inconvenient for patients daily life and activity, limits their freedom of action, and long -term use can lead to muscle atrophy and other complications, with the progress of medical technology, portable external fixation device gradually receives the attention, this kind of device can provide enough stability, and it is convenient for patients to wear and adjust, reduce the influence on patients daily life, at the same time, portable design helps patients to better self -management during the rehabilitation period, improves treatment compliance.

[0003] The fixing device is used in the process, because the wrist and fingers of the patient are fractured, so it is necessary to be fixed and limited respectively, otherwise the wrist and fingers are fixed together with too long spacing, which can not be firm, thereby affecting the rehabilitation time of the wrist and fingers. UTILITY MODEL CONTENT

[0004] The portable external fixation device for hand fracture patient of the embodiment of the disclosure, the limiting plate can be fixed and limited to the wrist of the patient, the four finger grooves can be fixed to the four fingers respectively, and the thumb can be fixed and limited by the thumb groove and the thumb limiting plate, so that the fingers and the wrist can be fixed and limited respectively, thereby saving the rehabilitation time of the wrist and the fingers, the fixation of the wrist and the fingers can ensure that the fracture end does not move, which is beneficial to the healing of the skeleton, good fixation can reduce the activity of the fracture site, thereby reducing the pain, by limiting the range of activity, the fixation is helpful to the healing process of the skeleton.

[0005] The first aspect of the disclosure provides a portable external fixation device for hand fracture patient, specifically comprising: a bearing block, an arc-shaped groove is formed in the middle of the bearing block, two through circular holes are formed in the middle of the arc-shaped groove, a bearing wrist plate is fixedly installed at the arc-shaped groove of the bearing block, two screw grooves are formed in the bottom of the bearing wrist plate, two screw grooves are formed in the two ends of the upper end of the bearing wrist plate, a finger limiting plate is fixedly installed at the rear end of the inner concave surface of the bearing wrist plate.

[0006] The two ends of the hand positioning plate are fixedly provided with stabilizing strips, and the two ends of the stabilizing strips are rotatably provided with penetrating screws; the bottom of the hand positioning plate is uniformly provided with arc-shaped finger grooves, the upper end of the hand positioning plate is provided with a thumb groove, and the upper end of the thumb groove is provided with a thumb positioning plate; the two ends of the thumb positioning plate are fixedly provided with side plates, and the two ends of the side plates are rotatably provided with penetrating screws.

[0007] In at least some embodiments, the two sides of the bearing block are respectively provided with fixed ring grooves, and a circle of thread grooves is respectively arranged in the fixed ring grooves; two connecting rings are respectively arranged at the two fixed ring grooves, and a circle of screws is rotatably arranged on the connecting rings.

[0008] In at least some embodiments, shoulder straps are fixedly arranged at the middle portions of the two connecting rings, adjustment grooves are respectively arranged at the two ends of the arc-shaped groove of the bearing block, and penetrating fasteners are respectively arranged at the two round holes of the bearing block.

[0009] In at least some embodiments, the two ends of the bearing wrist plate are respectively provided with penetrating adjustment holes, and two vertically upward thread rods are fixedly arranged at the upper ends of the two ends of the bearing wrist plate.

[0010] In at least some embodiments, limiting rings are rotatably arranged on the four thread rods, and an arc-shaped limiting plate is arranged at the upper end of the bearing wrist plate.

[0011] In at least some embodiments, mutually symmetrical fixed ear plates are fixedly arranged on the side walls of the two ends of the limiting plate, penetrating round holes are arranged in the middle portions of the fixed ear plates, and adjustment plates are fixedly arranged at the bottoms of the two ends of the limiting plate.

[0012] The portable external fixation device for a hand fracture patient has the following beneficial effects:

[0013] In the fixing device, the limiting plate can limit the wrist of the patient, the four finger grooves can respectively fix four fingers, and the thumb can be fixed by the thumb groove and the thumb positioning plate, so that the fingers and the wrist can be respectively fixed and limited, the rehabilitation time of the wrist and the fingers is saved, the fixation of the wrist and the fingers can ensure that the fracture end does not move, which is beneficial to the healing of the skeleton, good fixation can reduce the movement of the fracture part, thereby reducing the pain, and the fixation is helpful to the healing process of the skeleton by limiting the movement range.

[0014] The finger slot can effectively limit the movement of fingers, and the finger slot can reduce pain and discomfort caused by unnecessary movement, thereby providing necessary stability, helping the healing of fractured fingers, and the thumb is placed in the thumb slot, and the thumb positioning plate is fixed on the hand positioning plate through a screw, the thumb slot and the thumb positioning plate can effectively limit the movement of the injured fingers, provide good stability, and help the healing of the fractured part. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0016] The drawings described in the following description only relate to some embodiments of the present application, and are not a limitation of the present application.

[0017] In the drawings:

[0018] Figure 1 A left front upper axial structural schematic view of the present application is shown;

[0019] Figure 2 A left rear upper axial structural schematic view of the present application is shown;

[0020] Figure 3 A bearing block and a bearing wrist plate partially disassembled structural schematic view of the present application is shown;

[0021] Figure 4 A disassembled structural schematic view of the present application is shown.

[0022] List of reference signs

[0023] 1, bearing block; 101, fixed ring groove; 102, connecting ring; 103, shoulder strap; 104, adjusting groove; 105, fastener; 2, bearing wrist plate; 201, adjusting hole; 202, threaded rod; 203, limiting ring; 204, limiting plate; 205, fixed ear plate; 206, adjusting plate; 3, hand positioning plate; 301, stabilizing strip; 302, finger slot; 303, thumb slot; 304, thumb positioning plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be clearly and completely described below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment one: please refer to Figures 1 to 4 :

[0026] The utility model provides a portable external fixation device suitable for hand fracture patient, include: bearing block 1, the middle part of bearing block 1 is equipped with arc slot, and the middle part of arc slot is equipped with two through round holes, the arc slot department of bearing block 1 is fixedly installed with bearing wrist board 2, and the bottom of bearing wrist board 2 is equipped with two screw grooves, two threaded grooves are set up respectively in the both ends of bearing wrist board 2 upper end, the rear end of bearing wrist board 2 inner concave surface is fixedly installed with hand specified position board 3, and the both ends of hand specified position board 3 are fixedly installed with stable strip 301 respectively, and the both ends of stable strip 301 are rotatably inserted with through screw respectively, the screw on stable strip 301 is rotatably inserted in the threaded groove of bearing wrist board 2, and stable strip 301 and hand specified position board 3 are fixedly limited, when hand specified position board 3 is touched, it also does not move, the bottom of hand specified position board 3 is evenly equipped with arc shape finger groove 302, the patient's finger is placed in finger groove 302, finger groove 302 can effectively limit the movement of finger, finger groove 302 can reduce the pain and discomfort caused by unnecessary movement, the upper end of hand specified position board 3 is equipped with thumb groove 303, and the upper end of thumb groove 303 is installed with thumb specified position board 304, the thumb is placed in thumb groove 303, then thumb specified position board 304 is fixed on hand specified position board 3 through screw, thumb groove 303 and thumb specified position board 304 can effectively limit the movement of injured finger, the both ends of thumb specified position board 304 are fixedly installed with side plate respectively, and the both ends of side plate are rotatably installed with through screw, the screw on the both ends of thumb specified position board 304 side plate is rotatably inserted on hand specified position board 3, and thumb specified position board 304 is fixedly limited, when thumb specified position board 304 is touched, it also does not move.

[0027] Two sides of the bearing block 1 are respectively provided with a fixed ring groove 101, and a thread groove is arranged in the fixed ring groove 101. Two connecting rings 102 are respectively arranged at the two fixed ring grooves 101, and a screw is rotatably arranged on the connecting ring 102. The connecting ring 102 is inserted into the fixed ring groove 101, and the screw on the connecting ring 102 is rotatably inserted into the thread groove in the fixed ring groove 101. The connecting ring 102 is temporarily fixed in the fixed ring groove 101, and the shoulder strap 103 is fixed on the bearing block 1. In this way, the shoulder strap 103 can be sleeved on the neck of the patient, thereby stabilizing the whole arm. When the hand fracture is ready to heal, the screw on the connecting ring 102 is rotated and removed, and the connecting ring 102 and the shoulder strap 103 are also removed. The shoulder strap 103 is fixedly arranged at the middle part of the two connecting rings 102. The two ends of the arc-shaped groove of the bearing block 1 are respectively provided with an adjusting groove 104, and the lower end of the adjusting plate 206 is inserted into the adjusting groove 104. The fastener 105 is rotatably inserted into the bearing wrist plate 2 through the two round holes of the bearing block 1, so that the bearing wrist plate 2 and the bearing block 1 are fixedly connected.

[0028] The two ends of the bearing wrist plate 2 are respectively provided with a through adjusting hole 201. Two vertical upward threaded rods 202 are fixedly arranged at the upper ends of the two ends of the bearing wrist plate 2. Limiting rings 203 are rotatably arranged on the four threaded rods 202. An arc-shaped limiting plate 204 is arranged at the upper end of the bearing wrist plate 2. When the patient's wrist is fractured, the patient's wrist is placed on the inner concave surface of the bearing wrist plate 2, and then the limiting plate 204 is placed above the bearing wrist plate 2. The round hole of the fixed lug 205 is sleeved on the threaded rod 202. Then the limiting ring 203 is gripped and rotated downward to tightly abut against the fixed lug 205, so that the fixed lug 205 and the limiting plate 204 are temporarily fixed and limited. In this way, the inner concave surface of the limiting plate 204 can press and fix the upper end of the wrist. The patient's wrist is fixed and limited and cannot move. The fixed and limited injured part can reduce the possibility of fracture movement and help bone healing. The limiting plate 204 is fixedly arranged on the side wall at the two ends of the limiting plate 204. The fixed lug 205 is symmetrically arranged on the limiting plate 204. The fixed lug 205 is provided with a through round hole in the middle part. The adjusting plate 206 is fixedly arranged at the bottom of the limiting plate 204. The lower end of the adjusting plate 206 penetrates the adjusting hole 201.

[0029] In the embodiment one, on the basis of Figure 1 and Figure 4As shown, two round holes of the bearing block 1 are respectively inserted with the penetrating fasteners 105, the fasteners 105 are rotatably inserted on the bearing wrist plate 2 through the bearing block 1, the fasteners 105 are removed, then the bearing wrist plate 2 is fixedly glued on the bearing block 1, the bearing wrist plate 2 and the bearing block 1 are fixedly connected, the long-term use of the fasteners 105 is avoided from loosening, and meanwhile the part cost is saved.

[0030] The working principle of the embodiment is as follows: in use, when the patient's wrist is fractured, the patient's wrist is placed on the inner concave surface of the bearing wrist plate 2, then the limiting plate 204 is placed above the bearing wrist plate 2, the round hole of the fixed lug 205 is sleeved on the threaded rod 202, then the limiting ring 203 is gripped and rotated downward to tightly adhere to the fixed lug 205, the fixed lug 205 and the limiting plate 204 are temporarily fixed and limited, the inner concave surface of the limiting plate 204 can press and fix the upper end of the wrist, the patient's wrist is fixed and limited from moving, the fixed and limited injury part can reduce the possibility of fracture movement, which is helpful for bone healing, then the patient's four fingers are respectively placed in the four finger grooves 302, the finger grooves 302 can effectively limit the movement of the fingers, the finger grooves 302 can reduce the pain and discomfort caused by unnecessary movement, and the thumb is placed in the thumb groove 303, then the thumb limiting plate 304 is fixed on the finger limiting plate 3 through a screw, the thumb groove 303 and the thumb limiting plate 304 can effectively limit the movement of the injured finger.

[0031] In this paper, the following points need to be noted:

[0032] 1. The drawings of the embodiment of the disclosure only relate to the structures involved in the embodiment of the disclosure, and other structures can refer to the general design.

[0033] 2. In the case of no conflict, the embodiments of the disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0034] The above is only a specific implementation of the disclosure, but the protection scope of the disclosure is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the disclosure, which should be covered within the protection scope of the disclosure. Therefore, the protection scope of the disclosure should be subject to the protection scope of the claims.

Claims

1. A portable external fixation device suitable for use with a patient having a hand fracture, comprising: The utility model provides a bearing block (1), the middle part of bearing block (1) is equipped with arc slot, and the middle part of arc slot is equipped with two through -going round holes, bearing wrist board (2) is fixedly installed at the arc slot of bearing block (1), and the bottom of bearing wrist board (2) is equipped with two screw grooves, two screw grooves are arranged respectively at the both ends of the upper end of bearing wrist board (2), characterized by hand positioning plate (3) is fixedly installed at the back end of the inner concave surface of bearing wrist board (2), two stable strips (301) are fixedly installed respectively at the both ends of hand positioning plate (3), and through -going screw is rotatably inserted into the both ends of stable strip (301), and the bottom of hand positioning plate (3) is uniformly equipped with arc finger slot (302).

2. A portable external fixation device for a patient with a hand fracture as claimed in claim 1, wherein: Two sides of bearing block (1) are equipped with fixed ring groove (101) respectively, and a circle of screw grooves is arranged in fixed ring groove (101) respectively, two fixed ring grooves (101) are installed with connecting ring (102) respectively, and a circle of screw is rotatably installed on connecting ring (102).

3. A portable external fixation device for a patient with a hand fracture as claimed in claim 2, wherein: The middle part of two connecting rings (102) is fixedly installed with shoulder strap (103), the both ends of arc slot of bearing block (1) are equipped with adjusting groove (104) respectively, and through -going fastener (105) is rotatably inserted into two round holes of bearing block (1).

4. The portable external fixation device for a hand fracture patient of claim 1, wherein: Two ends of bearing wrist board (2) are equipped with through -going adjusting hole (201) respectively, and two vertical upward screw rods (202) are fixedly installed at the upper end of both ends of bearing wrist board (2) respectively.

5. A portable external fixation device for a patient with a hand fracture as claimed in claim 4, wherein: Limiting ring (203) is rotatably installed on four screw rods (202) respectively, and arc limiting plate (204) is installed at the upper end of bearing wrist board (2).

6. A portable external fixation device for a patient with a hand fracture as claimed in claim 5, wherein: The side wall of both ends of limiting plate (204) is fixedly installed with mutually symmetrical fixed lug plate (205) respectively, and the middle part of fixed lug plate (205) is equipped with through -going round hole, and the bottom of both ends of limiting plate (204) is fixedly installed with adjusting plate (206) respectively.

7. The portable external fixation device for a hand fracture patient of claim 1, wherein: The upper end of hand positioning plate (3) is equipped with thumb slot (303), and thumb positioning plate (304) is installed on the upper end of thumb slot (303), two side edge plates are fixedly installed respectively at both ends of thumb positioning plate (304), and through -going screw is rotatably installed at the both ends of side edge plate.