Wrist and finger tenosynovitis treatment fixing device

Abstract

The utility model discloses a wrist and finger tenosynovitis treatment fixing device, which comprises a base, a fixing plate, a knuckle fixing seat and a locking mechanism, a shell is fixedly arranged on the base, the fixing plate is arranged on the shell in a liftable manner, one end of the knuckle fixing seat is rotatably connected with the fixing plate, and the other end of the knuckle fixing seat is rotatably connected with the locking mechanism. A binding belt capable of moving in the length direction of the knuckle fixing base is arranged on the knuckle fixing base, an arc-shaped hole is formed in the fixing plate, and the locking mechanism penetrates through the arc-shaped hole from bottom to top and then is inserted into the knuckle fixing base to be used for locking and fixing the knuckle fixing base to the fixing plate. Wherein the knuckle fixing seat is used for placing knuckles of a patient, the binding belt is used for binding and limiting the knuckles of the patient, through the structural design, it can be ensured that the fingers of the patient cannot move in the operation process, and the problem that due to the fact that the fingers of the patient are not matched, a puncture part is inaccurate or medicine cannot be accurately injected to a diseased region is solved; the success rate of surgical operation is improved. In addition, the fixed state or the movable state of the knuckle fixing base on the fixing plate is switched through the locking mechanism, and the knuckle fixing base can be conveniently adjusted to the designated position; the binding positions of the knuckles of the patient are adjusted by moving the binding belts, so that the use requirements of the knuckles of different patients in different sizes can be met, use is flexible, practicability is high, and operation is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary instruments, in particular to a treatment and fixation device for wrist and finger tenosynovitis. Background Art

[0002] Ultrasound visualization therapy is increasingly widely used in clinical diagnosis and treatment. With the changes in modern people's lifestyles and working methods, the incidence of tenosynovitis is increasing day by day. The traditional treatment method for tenosynovitis is mainly surgical treatment, which has large trauma and high costs. The interventional treatment method for tenosynovitis under ultrasound guidance has significant effects, can avoid further surgical treatment for patients, reduce patient injuries, and save costs and expenses.

[0003] The Chinese utility model patent with the publication number of CN213883418U discloses a treatment and fixation device for wrist and finger tenosynovitis under ultrasound guidance, which includes a base, a counterweight, a housing, a lifting mechanism, a support mechanism, etc., and can fix the patient's body position during treatment. This fixation device can improve the success rate of puncture needle operation, but there are also the following defects and deficiencies: the above fixation device can only bind and limit the entire palm of the patient, but cannot fix each finger joint. Each finger of the patient is in a movable state, so during the operation, there may still be problems such as inaccurate puncture sites or inability to accurately inject drugs into the diseased site due to finger movement.

[0004] Therefore, there is an urgent need in the prior art to invent a treatment and fixation device for tenosynovitis that is suitable for ultrasound guidance and can fix the finger joint part. Summary of the Utility Model

[0005] In order to overcome at least one of the above-mentioned defects in the prior art, the utility model provides a treatment and fixation device for wrist and finger tenosynovitis, which has the characteristics of being able to fix the finger joint part, being simple and convenient to operate, and being flexible to use.

[0006] The technical solution adopted by the utility model to solve its problems is:

[0007] A treatment and fixation device for wrist and finger tenosynovitis, comprising:

[0008] A base and a fixing plate, the base is fixedly provided with a housing, and the fixing plate is arranged on the housing in a liftable manner;

[0009] A plurality of finger joint fixing seats, one end of the finger joint fixing seat is rotatably connected to the fixing plate, and a binding band that can move along its length direction is provided on the finger joint fixing seat;

[0010] A locking mechanism, the fixed plate is provided with an arc-shaped hole, and the locking mechanism passes through the arc-shaped hole from bottom to top and is inserted into the knuckle fixing seat for locking and fixing the knuckle fixing seat on the fixed plate.

[0011] In a preferred embodiment of the present invention, a technical solution for the specific structural settings of the knuckle fixing seat, the restraint strap, and the locking mechanism is provided.

[0012] In this technical solution, the locking mechanism includes a screw and a nut. The nut is arranged inside the knuckle fixing seat. The bottom wall of the knuckle fixing seat is provided with a bottom hole. The screw passes through the arc-shaped hole and the bottom hole and is threadedly connected to the nut. When the screw is tightened, the head of the screw and the nut clamp the fixed plate and the bottom wall of the knuckle fixing seat in the vertical direction.

[0013] Furthermore, the locking mechanism further includes a handle, the handle is arranged at one end of the screw away from the nut, and the handle is arranged below the fixed plate.

[0014] Furthermore, an annular space for the knuckle to pass through is formed between the restraint strap and the knuckle fixing seat, and the tightness of the restraint strap is adjustable.

[0015] Furthermore, side holes extending along its length direction are formed on both sides of the knuckle fixing seat, and the restraint strap is an annular tie strap passing through the two side holes and slidably arranged along the length direction of the side holes.

[0016] Furthermore, a knuckle cover plate is provided on any one of the knuckle fixing seats, and an arc-shaped groove formed by downward depression is provided on the upper surface of the knuckle cover plate.

[0017] In another preferred embodiment of the present invention, a technical solution for realizing the height adjustment of the fixed plate and the angle adjustment of the support plate is provided.

[0018] In this technical solution, a lifting mechanism that can move in the vertical direction is arranged inside the housing, and the fixed plate is arranged at the top of the lifting mechanism.

[0019] Furthermore, the lifting mechanism includes a screw rod rotatably arranged inside the housing and a support rod that can be lifted and lowered inside the housing. The screw rod and the support rod are threadedly connected, and the fixed plate is arranged at the top of the support rod.

[0020] Furthermore, a rotatable knob is inserted into the side wall of the housing. A first gear is arranged at the bottom end of the screw rod, and a second gear is arranged at one end of the knob inserted into the housing. The first gear and the second gear are meshed and connected.

[0021] Furthermore, it further includes a support plate. One end of the support plate is rotatably connected to the fixed plate, and a plurality of parallel strip-shaped grooves are provided on the base, and the strip-shaped grooves are used to abut against the other end of the support plate.

[0022] In summary, the working process and principle of the wrist and finger tenosynovitis treatment and fixation device provided by the present utility model are as follows:

[0023] a. Before the operation, place the five fingers of the patient on the five finger joint fixing seats respectively;

[0024] b. Loosen the screw through the handle, and rotate each finger joint fixing seat on the fixed plate to the designated position;

[0025] c. Tighten the screw through the handle to lock and fix the finger joint fixing seat at the designated position on the fixed plate;

[0026] d. Slide and adjust the restraint belt on the finger joint fixing seat to a suitable position according to the length of the patient's finger joints to ensure that the five fingers cannot move;

[0027] e. After the operation is completed, loosen the restraint belt and loosen the locking mechanism, and the five fingers of the patient can be withdrawn from the finger joint fixing seat.

[0028] Compared with the prior art, the wrist and finger tenosynovitis treatment and fixation device has at least the following technical effects:

[0029] 1) The finger joint fixing seat of the present utility model is used to place the finger joints of the patient, and the restraint belt is used to tie and limit the finger joints of the patient. Through the above structural design, it can ensure that the patient's fingers cannot move during the operation, avoiding problems such as inaccurate puncture sites or inability to accurately inject drugs into the lesion site due to the patient's uncooperative fingers, and improving the success rate of the surgical operation.

[0030] 2) The present utility model switches the fixed or movable state of the finger joint fixing seat on the fixed plate through the locking mechanism, so as to facilitate adjusting the finger joint fixing seat to the designated position; by tightening the restraint belt to tie the patient's finger joints, and by moving the restraint belt to adjust the tying position of the patient's finger joints, the usage requirements of different patient finger sizes can be met, with flexible use, strong practicability, and simple and convenient operation.

[0031] 3) The fixed plate and the finger joint fixing seat of the present utility model are used to support the patient's palm and finger joints, and the support plate is used to support the patient's forearm, so as to realize the fixation of the patient's body position. The height of the fixed plate can be adjusted through the lifting mechanism, and the inclination angle of the support plate can be adjusted by rotating the support plate, so that the height of the fixed plate and the inclination angle of the support plate are adapted to the patient's body position, with high flexibility and further improving the success rate of the surgical operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 Structural schematic diagram of the wrist and finger tenosynovitis treatment and fixation device of the present utility model;

[0033] Figure 2 Another structural schematic diagram of the wrist and finger tenosynovitis treatment and fixation device of the present utility model;

[0034] Figure 3 Structural schematic diagram of the fixing plate, finger joint fixing seat and restraint strap of the present utility model;

[0035] Figure 4 Structural schematic diagram of the finger joint fixing seat, restraint strap and locking mechanism of the present utility model;

[0036] Figure 5 Cross-sectional schematic diagram of the fixing plate, finger joint fixing seat and locking mechanism of the present utility model;

[0037] Figure 6 Cross-sectional schematic diagram of the housing, lifting mechanism and knob of the present utility model;

[0038] Among them, the meanings of the reference numerals are as follows:

[0039] 1, base; 11, strip-shaped groove; 2, housing; 3, fixing plate; 31, arc-shaped hole; 4, finger joint fixing seat; 41, bottom hole; 42, side hole; 43, finger joint cover plate; 5, restraint strap; 6, locking mechanism; 61, screw; 62, nut; 63, handle; 7, lifting mechanism; 71, support rod; 72, screw rod; 73, first gear; 8, knob; 81, second gear; 9, support plate. Detailed implementation manners

[0040] For better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0041] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model.

[0043] See Figure 1 and Figure 2 As shown, according to an embodiment of the present utility model, a treatment and fixation device for wrist and finger tenosynovitis includes a base 1 and a fixing plate 3. A housing 2 is fixedly provided on the base 1, and the fixing plate 3 is disposed on the housing 2 in a liftable manner. Among them, the base 1 is a flat plate structure arranged in the horizontal direction, and the fixing plate 3 is a square housing structure arranged in the vertical direction.

[0044] See Figure 3 As shown, the treatment and fixation device for wrist and finger tenosynovitis further includes a plurality of finger joint fixing seats 4. One end of the finger joint fixing seat 4 is rotatably connected to the fixing plate 3, and a restraint belt 5 that can move along its length is provided on the finger joint fixing seat 4. Among them, the number of finger joint fixing seats 4 is at least five, and preferably set to five. By rotatably connecting one end of the finger joint fixing seat 4 to the fixing plate 3, the position adjustment of the finger joint fixing seat 4 on the fixing plate 3 can be realized by rotating the finger joint fixing seat 4. The restraint belt 5 is used to bind and fix the finger joints placed on the finger joint fixing seat 4, so as to play a role of limiting and fixing the finger joints. Correspondingly, at least one restraint belt 5 is provided on each finger joint fixing seat 4, and the number of restraint belts 5 on each finger joint fixing seat 4 is preferably set to one.

[0045] See Figure 3 and Figure 4 As shown, the treatment and fixation device for wrist and finger tenosynovitis further includes a locking mechanism 6. The fixing plate 3 is provided with an arc-shaped hole 31. The locking mechanism 6 passes through the arc-shaped hole 31 from bottom to top and is inserted into the finger joint fixing seat 4 for locking and fixing the finger joint fixing seat 4 on the fixing plate 3. Among them, when the locking mechanism is assembled, the arc-shaped hole 31 is used to provide space for the movement of the locking mechanism 6. When the locking mechanism 6 is in the locked state, the finger joint fixing seat 4 is locked and fixed on the fixing plate 3 and cannot move; when the locking mechanism 6 is in the non-locked state, the finger joint fixing seat 4 can rotate around the connection point of the two on the fixing plate 3, and at this time the locking mechanism 6 moves in the arc-shaped hole 31.

[0046] In the technical solution of this embodiment, the finger joint fixing seat 4 is used to place the patient's finger joints, and the restraint belt 5 is used to bind and limit the patient's finger joints. After fixation, it can ensure that each finger joint of the patient cannot move during the operation, avoiding problems such as inaccurate puncture sites or inability to accurately inject drugs into the diseased site due to the patient's uncooperative fingers, and improving the success rate of the surgical operation. And, by switching the fixed or movable state of the finger joint fixing seat 4 on the fixing plate 3 through the locking mechanism 6, it is convenient to adjust the finger joint fixing seat 4 to the designated position, and the operation is simple and convenient. By tightening the restraint belt 3 to bind the patient's finger joints and by moving the restraint belt 3 to adjust the binding position of the patient's finger joints, the use requirements of different patient finger sizes can be met, and the use is flexible and the practicability is strong.

[0047] Embodiment 1

[0048] In a preferred embodiment of the present utility model, a technical solution regarding the specific structural settings of the knuckle fixing seat 4, the restraint strap 5, and the locking mechanism 6 is provided.

[0049] See Figure 5 As shown, in an alternative solution of this embodiment, the locking mechanism 6 includes a screw 61 and a nut 62. The nut 62 is disposed inside the knuckle fixing seat 4. The bottom wall of the knuckle fixing seat 4 is provided with a bottom hole. The screw 61 passes through the arc-shaped hole and the bottom hole and is threadedly connected to the nut 62. Wherein, the lower surface of the nut 62 abuts against the upper surface of the bottom wall of the knuckle fixing seat 4, and the upper surface of the head of the screw 61 abuts against the lower surface of the fixing plate 3. Specifically, when the screw 61 is tightened, the head of the screw 61 and the nut 62 clamp the fixing plate 3 and the bottom wall of the knuckle fixing seat 4 in the vertical direction, thereby locking the knuckle fixing seat 4 on the fixing plate 3. More specifically, the bottom hole of the knuckle fixing seat 4 is a U-shaped hole extending along its length direction with a certain length. Since the distance from the screw 61 to the rotation center of the knuckle fixing seat 4 is different when the knuckle fixing seat 4 rotates to different positions, the long-strip-shaped U-shaped bottom hole is provided to provide redundant space for the movement of the screw 61 along the length direction.

[0050] Furthermore, see Figure 5 As shown, the locking mechanism 6 further includes a handle 63. The handle 63 is disposed at one end of the screw 61 away from the nut 62, and the handle is located below the fixing plate 3. Wherein, the handle 63 is used for the operator to rotate by hand, so as to realize the switching between the tightened state and the loosened state between the screw 61 and the nut 62. Preferably, the outer periphery of the handle 63 may be provided with vertical grooves or rib structures to increase the surface roughness of the handle 63, facilitating the operator to rotate.

[0051] See Figures 1 - 3 As shown, in another alternative solution of this embodiment, an annular space for the knuckle to pass through is formed between the restraint strap 3 and the knuckle fixing seat 4. And, the tightness of the restraint strap 3 is adjustable. By adjusting the tightness of the restraint strap 3, the size of the annular space can be adjusted, so as to match it with the size of the patient's knuckle, and complete the bundling and fixing of the knuckle.

[0052] See Figure 4 As shown, side holes 42 extending along its length direction are formed on both sides of the knuckle fixing seat 4. The restraint strap 3 is an annular tie strap that passes through the two side holes 42 and is slidably arranged along the length direction of the side holes 42. Wherein, the side holes 42 of the knuckle fixing seat 4 are long-strip-shaped holes. By moving the restraint strap 3 to different positions in the side holes 42, the position of the restraint strap 3 on the knuckle fixing seat 4 can be adjusted, so as to adapt it to the different lengths of the knuckles of different patients, meet the usage requirements of the knuckle sizes of different patients, with high flexibility and simple and convenient operation.

[0053] See Figure 4 As shown, in another alternative of this embodiment, a knuckle cover plate 43 is provided on any one of the knuckle fixing seats 4, and an arc-shaped groove formed by downward depression is provided on the upper surface of the knuckle cover plate 43. Among them, the arc-shaped groove on the knuckle cover plate 43 is used to accommodate the patient's finger. Compared with the flat structure design, the arc design in this embodiment can further facilitate the positioning of the patient's finger, so as to accurately place the knuckle on the knuckle cover plate 43.

[0054] Embodiment 2

[0055] In another preferred embodiment of the present utility model, a technical solution for realizing the height adjustment of the fixing plate 3 and the angle adjustment of the support plate 9 is provided.

[0056] In an alternative of this embodiment, a lifting mechanism 7 that can move in the vertical direction is provided inside the housing 2, and the fixing plate 3 is arranged at the top of the lifting mechanism 7. The height of the fixing plate 3 is adjusted through the lifting mechanism 7, and further the height of the knuckle fixing seat 4 is adjusted, so that the height of the knuckle fixing seat 4 is adapted to the patient's body position.

[0057] See Figure 6 As shown, further, the lifting mechanism 7 includes a screw rod 72 rotatably arranged inside the housing 2 and a support rod 71 that can be lifted and lowered inside the housing 2. The screw rod 72 and the support rod 71 are threadedly connected, and the fixing plate 3 is arranged at the top of the support rod 71. Among them, the screw rod 72 and the support rod 71 are both arranged in the vertical direction, and the housing 2 and the support rod 71 are arranged as a square structure that matches each other. Therefore, during the rotation of the screw rod 72, the support rod 71 can be driven to rise vertically, and the support rod 71 will not rotate, realizing the height adjustment operation of the knuckle fixing sleeve 4.

[0058] See Figure 2 and Figure 6 As shown, furthermore, a rotatable knob 8 is inserted into the side wall of the housing 2. A first gear 73 is provided at the bottom end of the screw rod 72, and a second gear 81 is provided at the end of the knob 8 inserted into the housing. The first gear 73 and the second gear 81 are meshed and connected. Specifically, both the first gear 73 and the second gear 81 are helical gear structures. The axis of the first gear 73 is arranged in the vertical direction, and the axis of the second gear 81 is arranged in the horizontal direction. The axes of the two are perpendicular to each other and they are meshed and connected. Thus, the rotation of the knob 8 can drive the screw rod 72 to rotate, and further drive the support rod 71 to move up and down, that is, the height position of the fixing seat 3 is adjusted through the knob 8.

[0059] See Figure 1 and Figure 2As shown, in another alternative of this embodiment, the wrist and finger tenosynovitis treatment and fixation device further includes a support plate 9. One end of the support plate 9 is rotatably connected to the fixed plate 3. A plurality of parallel strip-shaped grooves 11 are provided on the base 1. The strip-shaped grooves 11 are used to accommodate and abut against the other end of the support plate 9. Specifically, the fixed plate 3 and the finger joint fixing seat 4 of the present utility model are used to support the palm and finger joint parts of the patient. The support plate 9 is inclined relative to the fixed plate 3 and is used to support the forearm of the patient, so as to realize the fixation of the wrist and finger parts of the patient. After adjusting the height of the fixed plate 3 through the lifting mechanism 7, the inclination angle of the support plate 9 can be adjusted by rotating the support plate 9, so that the height of the fixed plate 3 and the inclination angle of the support plate 9 are adapted to the body position of the patient, with high flexibility and further improving the success rate of the surgical operation.

[0060] The technical means disclosed in the solution of the present utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present utility model.

Claims

1. A fixation device for treating wrist and finger tenosynovitis, characterized in that: include: A base and a fixing plate, wherein a shell is fixedly arranged on the base, and the fixing plate is liftably arranged on the shell; A plurality of knuckle fixing seats, one end of each of which is rotatably connected to the fixing plate, and each of which is provided with a restraining belt that can move along its length direction; The locking mechanism is provided with an arc-shaped hole on the fixing plate, and the locking mechanism passes through the arc-shaped hole from bottom to top and is inserted into the knuckle fixing seat, so as to lock and fix the knuckle fixing seat on the fixing plate.

2. The wrist and finger tenosynovitis treatment and fixation device according to claim 1, characterized in that: The locking mechanism includes a screw and a nut, the nut is arranged inside the knuckle fixing seat, the bottom wall of the knuckle fixing seat is provided with a bottom hole, and the screw is threadedly connected with the nut after passing through the arc hole and the bottom hole; when the screw is tightened, the head of the screw and the nut clamp the fixing plate and the bottom wall of the knuckle fixing seat in the vertical direction.

3. The wrist and finger tenosynovitis treatment and fixation device according to claim 2, characterized in that: The locking mechanism also includes a handle, which is arranged at an end of the screw away from the nut, and the handle is arranged below the fixing plate.

4. The wrist and finger tenosynovitis treatment and fixation device according to claim 1, characterized in that: An annular space for the knuckle to pass through is formed between the restraining belt and the knuckle fixing seat, and the tightness of the restraining belt is adjustable.

5. The wrist and finger tenosynovitis treatment and fixation device according to claim 4, characterized in that: Side holes extending along the length direction of the knuckle fixing seat are provided on both sides thereof, and the restraining belt is an annular tie belt passing through the two side holes and slidably arranged along the length direction of the side holes.

6. The wrist and finger tenosynovitis treatment and fixation device according to any one of claims 1 to 5, characterized in that: Any of the knuckle fixing seats is provided with a knuckle cover plate, and the upper surface of the knuckle cover plate is provided with an arc-shaped groove that is concave downwards.

7. The wrist and finger tenosynovitis treatment and fixation device according to claim 1, characterized in that: A lifting mechanism which can move in a vertical direction is arranged inside the shell, and the fixing plate is arranged on the top end of the lifting mechanism.

8. The wrist and finger tenosynovitis treatment and fixation device according to claim 7, characterized in that: The lifting mechanism comprises a screw rod rotatably arranged inside the shell and a support rod liftably arranged inside the shell, the screw rod and the support rod are threadedly connected, and the fixing plate is arranged at the top end of the support rod.

9. The wrist and finger tenosynovitis treatment and fixation device according to claim 8, characterized in that: A rotatable knob is inserted into the side wall of the shell, a first gear is arranged at the bottom end of the screw rod, a second gear is arranged at one end of the knob inserted into the shell, and the first gear is meshed with the second gear.

10. The wrist and finger tenosynovitis treatment and fixation device according to claim 1, characterized in that: It also includes a support plate, one end of which is rotatably connected to the fixed plate, and the base is provided with a plurality of mutually parallel strip grooves, which are used to abut against the other end of the support plate.

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