Postoperative thumb correcting and fixing device

Abstract

The thumb postoperative correction fixing device comprises a flat plate, a guide plate and a thumb correction assembly, an opening is formed in one end of the guide plate, the thumb correction assembly is connected in the opening in a sliding mode through a movable plate, the thumb correction assembly comprises an outer ring body and an inner ring body, the side wall of the outer ring body is fixedly connected to the movable plate, and the inner ring body is fixedly connected to the outer ring body. One end of the inner ring body is located in the outer ring body and rotationally connected into the outer ring body, the flat plate is fixed to the palm of a patient through the two connecting belts, the thumb stretches into the outer ring body and the inner ring body of the thumb correction assembly, and the inner ring body is rotated to the corresponding angle relative to the outer ring body according to the position of the thumb. The inner ring body is fixed in the outer ring body in a limited manner by rotating the knob on the threaded shaft until the knob is in close contact with the outer ring body, so that the post-operation correction of the thumb at different angles is realized, the position of the thumb correction assembly is adjusted in the opening in a sliding manner through the movable plate, and the thumb correction device is suitable for the thumbs of different patients.

Description

TECHNICAL FIELD

[0001] The utility model relates to thumb correction technical field, concretely is a thumb postoperative correction fixing device. BACKGROUND

[0002] The deformity and the curved state of the finger, generally will have two reasons to cause. One is because the ligament of the finger joint is relaxed caused by the injury, and the finger bending deformity is caused. The best of this situation is to actively exercise the strength of the ligament and the tendon around the finger, so that the curved finger is gradually corrected, and also needs to wear an aluminum plate or a splint, carries out the external fixation of the finger, and gradually recovers the state of the finger bending. Another situation can have rheumatoid arthritis, and the finger bending deformity caused by the disease, which will appear symmetrically, that is, multiple or single joint deformity occurs in the left and right hands at the same time, and the primary disease needs to be actively treated. Once the deformity seriously affects the function of the finger, surgery is needed.

[0003] The finger correction device disclosed in the prior art CN111544186B adjusts the joint shaping mechanism and the phalanx shaping mechanism according to the bending direction of the finger, so that the bending direction of the finger can be adjusted according to the bending direction of the finger. However, this device has a single correction function and is not suitable for different patients' fingers, and cannot meet all the needs of finger correction. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a thumb postoperative correction fixing device to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a thumb postoperative correction fixing device, comprising a flat plate, a guide plate and a thumb correction assembly, the guide plate is integrally connected to the flat plate, one end of the guide plate is provided with an opening, the thumb correction assembly is slidably connected in the opening through a movable plate, the flat plate is connected with one end of the corresponding connecting belt on both sides respectively, the other end of the connecting belt on both sides of the flat plate is detachably connected, the thumb correction assembly comprises an outer ring body and an inner ring body, the side wall of the outer ring body is fixedly connected to the movable plate, one end of the inner ring body is located in the outer ring body and is rotatably connected to the outer ring body, one side of the inner ring body is fixedly connected to one end of a threaded shaft, the other end of the threaded shaft extends out of the outer ring body and is screwedly connected with a knob, the other side of the inner ring body is fixedly connected to one end of a connecting shaft, the other end of the connecting shaft is rotatably connected to the outer ring body through a bearing.

[0006] Preferably, the inner walls on both sides of the opening are provided with sliding grooves, and the movable plate is slidably connected between the two sliding grooves through corresponding pulleys.

[0007] Preferably, the guide plate is provided with a plurality of screw holes on one side of the opening, the movable plate is fixedly connected with a protruding block, the protruding block is threadedly connected with a locking screw rod, and one end of the locking screw rod extends into the corresponding screw hole to position and fix the movable plate.

[0008] Preferably, one end of the knob provided with a limiting block is mounted on the threaded shaft.

[0009] Preferably, the inner wall of the inner ring body is provided with a soft cotton layer.

[0010] Preferably, the other ends of the connecting bands located on both sides of the flat plate are connected through magic tapes.

[0011] Compared with the prior art, the present application has the following beneficial effects:

[0012] 1. The flat plate is fixed on the palm of a patient through two connecting bands, the thumb is inserted into the outer ring body and the inner ring body, the inner ring body is rotated to a corresponding angle relative to the outer ring body according to the position of the thumb, and the knob is rotated on the threaded shaft to tightly contact the outer ring body, so as to position and fix the inner ring body in the outer ring body, thereby achieving correction of different angles of the thumb after surgery.

[0013] 2. The position of the thumb correction assembly is adjusted through the sliding of the movable plate in the opening, and the thumb correction assembly is suitable for different patients. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a schematic view of the overall structure of the present application;

[0015] Fig. 2 is a sectional view of the movable plate mounting structure of the present application;

[0016] Fig. 3 is a sectional view of the connection structure of the inner ring body and the outer ring body of the present application.

[0017] In the drawing, 1 is a flat plate; 2 is a guide plate; 3 is a thumb correction assembly; 4 is an opening; 5 is a movable plate; 6 is a connecting band; 7 is an outer ring body; 8 is an inner ring body; 9 is a threaded shaft; 10 is a knob; 11 is a connecting shaft; 12 is a bearing; 13 is a sliding groove; 14 is a pulley; 15 is a screw hole; 16 is a protruding block; 17 is a locking screw rod. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, while the terms "bottom," "top," "inner," and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0019] See also Figs. 1-3 The present invention provides a thumb correction and fixation device after surgery, including a flat plate 1, a guide plate 2 and a thumb correction component 3. The guide plate 2 is integrally connected to the flat plate 1. One end of the guide plate 2 is provided with an opening 4. The thumb correction component 3 is slidably connected to the opening 4 through a movable plate 5. The two sides of the flat plate 1 are respectively connected to one end of a corresponding connecting belt 6. The other ends of the connecting belts 6 on both sides of the flat plate 1 are detachably connected, making it convenient to fix the flat plate 1 on the palm of the patient through the two connecting belts 6. The width of the flat plate 1 is smaller than the width of a general hand. The thumb correction component 3 includes an outer ring body 7 and an inner ring body 8. The side wall of the outer ring body 7 is fixedly connected to the movable plate 5. On the plate 5, one end of the inner ring body 8 is located inside the outer ring body 7 and is rotatably connected to the outer ring body 7. One side of the inner ring body 8 is fixedly connected to one end of the threaded shaft 9, and the other end of the threaded shaft 9 extends out of the outer ring body 7 and is threadedly connected with a knob 10. The other side of the inner ring body 8 is fixedly connected to one end of the connecting shaft 11, and the other end of the connecting shaft 11 is rotatably connected to the outer ring body 7 through a bearing 12. According to the position of the thumb, the inner ring body 8 is rotated to the corresponding angle relative to the outer ring body 7, and the knob 10 is rotated on the threaded shaft 9 until it is in close contact with the outer ring body 7, so as to limit and fix the inner ring body 8 in the outer ring body 7, so as to correct different angles of the thumb after surgery.

[0020] In this embodiment, a slide groove 13 is provided on the inner walls on both sides of the opening 4, and the two sides of the movable plate 5 are slidably connected between the two slide grooves 13 through corresponding pulleys 14. The position of the movable plate 5 can be slidably adjusted in the opening 4 to suit the thumbs of different patients.

[0021] In this embodiment, a plurality of screw holes 15 are provided on one side of the opening 4 on the guide plate 2, a protrusion 16 is fixedly connected to the movable plate 5, a locking screw 17 is threadedly connected to the protrusion 16, and one end of the locking screw 17 extends into the corresponding screw hole 15 to limit and fix the movable plate 5.

[0022] In this embodiment, a limit block is provided at one end of the threaded shaft 9 on which the knob 10 is installed. The knob 10 rotates between the limit block on the threaded shaft 9 and the outer ring body 7. The knob 10 rotates on the threaded shaft 9 until it is in close contact with the outer ring body 7, so as to limit and fix the inner ring body 8 in the outer ring body 7, thereby realizing correction of different angles after thumb surgery.

[0023] In the embodiment, the inner wall of the inner ring body 8 is provided with a soft cotton layer, so as to increase the comfort when the fingers contact the inner ring body 8.

[0024] In one or more embodiments of the utility model, the other end of the connecting belt 6 located on both sides of the flat plate 1 is connected through magic tape, so that the flat plate 1 and the palm can be fixed or loosened conveniently, and the operation is convenient.

[0025] When the device is used, the flat plate 1 is fixed on the palm of a patient through the two connecting belts 6, the thumb is inserted into the inner ring body 8 inside the outer ring body 7 of the thumb correction assembly 3, the inner ring body 8 is rotated to a corresponding angle relative to the outer ring body 7 according to the position of the thumb, and the knob 10 is rotated on the threaded shaft 9 to tightly contact the outer ring body 7, so as to limit and fix the inner ring body 8 in the outer ring body 7, thereby realizing the correction of different angles of the thumb after operation, wherein the position of the thumb correction assembly 3 is adjusted through the sliding of the movable plate 5 in the opening 4, and the device is suitable for the thumbs of different patients.

[0026] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A thumb postoperative correction and fixation device, characterized by: The invention comprises a flat plate (1), a guide plate (2) and a thumb correction assembly (3), wherein the guide plate (2) is integrally connected to the flat plate (1), an opening (4) is provided at one end of the guide plate (2), and the thumb correction assembly (3) is slidably connected to the opening (4) via a movable plate (5), and one end of a corresponding connecting belt (6) is connected to both sides of the flat plate (1), and the other ends of the connecting belts (6) on both sides of the flat plate (1) are detachably connected, and the thumb correction assembly (3) comprises an outer ring body (7) and an inner ring body (8). The side wall of the outer ring body (7) is fixedly connected to the movable plate (5), one end of the inner ring body (8) is located inside the outer ring body (7) and is rotatably connected to the outer ring body (7), one side of the inner ring body (8) is fixedly connected to one end of the threaded shaft (9), the other end of the threaded shaft (9) extends out of the outer ring body (7) and is threadedly connected to a knob (10), the other side of the inner ring body (8) is fixedly connected to one end of a connecting shaft (11), and the other end of the connecting shaft (11) is rotatably connected to the outer ring body (7) through a bearing (12).

2. The postoperative thumb correction and fixation device according to claim 1, characterized in that: Slide grooves (13) are provided on both inner walls of the opening (4), and both sides of the movable plate (5) are slidably connected between the two slide grooves (13) via corresponding pulleys (14).

3. The postoperative thumb correction and fixation device according to claim 2, characterized in that: A plurality of screw holes (15) are provided on one side of the opening (4) on the guide plate (2); a protrusion (16) is fixedly connected to the movable plate (5); a locking screw (17) is threadedly connected to the protrusion (16); one end of the locking screw (17) extends into the corresponding screw hole (15) to limit and fix the movable plate (5).

4. The postoperative thumb correction and fixation device according to claim 3, characterized in that: One end of the threaded shaft (9) on which the knob (10) is mounted is provided with a limit block, and the knob (10) rotates between the limit block on the threaded shaft (9) and the outer ring body (7).

5. The postoperative thumb correction and fixation device according to claim 4, characterized in that: A soft cotton layer is provided on the inner wall of the inner ring body (8).

6. A thumb post-operative correction and fixation device according to any one of claims 1 to 5, characterized in that: The other ends of the connecting belts (6) located on both sides of the flat plate (1) are bonded together by Velcro.

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