Limiter capable of alarming and preventing postoperative dislocation of artificial hip joint
By designing an alarm-enabled limiter, and using a positioning belt and alarm to detect the hip joint flexion angle, the problem of dislocation after hip replacement surgery is solved, achieving effective prevention and alert functions.
Patent Information
- Application Number
- CN202423070514.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-12
AI Technical Summary
In the current technology, patients are prone to dislocation of the artificial prosthesis after hip replacement surgery due to improper body position, especially elderly patients with poor compliance. Existing measures cannot effectively prevent dislocation caused by hip flexion movement.
Design a limiter that includes a positioning belt, an alarm, a positioning plate, a movable plate, a pin, an L-shaped rotating rod, a limiting plate, and a leg strap. The limiter detects the hip flexion angle through a contact device, and the alarm sounds a warning when the angle reaches 90° to stop the patient from continuing to flex the hip.
It effectively prevents postoperative hip dislocation, alerts patients to avoid improper movements, and improves postoperative rehabilitation.
Smart Images

Figure CN223611983U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of limit stopper, concretely relates to a limit stopper of preventing postoperative dislocation of artificial hip joint. BACKGROUND
[0002] Hip arthroplasty is a kind of hip joint reconstruction and artificial joint prosthesis implantation operation, mainly used for the treatment of end stage of femoral head necrosis, hip osteoarthritis, developmental dysplasia of the hip and other diseases. After hip arthroplasty, since the femoral head and the soft tissue around the acetabular lip and bone scar have not healed completely, if the patient's body position is improper, it is easy to cause postoperative artificial prosthesis dislocation, especially for the elderly patients, the probability of dislocation is higher due to poor compliance. Therefore, the patient should keep the hip joint in 15-30 degrees of abduction neutral position after operation to avoid hip flexion greater than 90 degrees, so as to avoid prosthesis dislocation. Clinically, the patient puts a T-shaped pillow between the two legs to avoid hip adduction and internal rotation, but this measure cannot limit the flexion movement of the hip joint and cannot prevent dislocation caused by improper flexion. When the patient moves, dislocation phenomenon is easy to occur. Therefore, aiming at the above problems, a limit stopper of preventing postoperative dislocation of artificial hip joint is provided. SUMMARY
[0003] The utility model aims at providing a limit stopper of preventing postoperative dislocation of artificial hip joint, solving the problems in the above background.
[0004] In order to solve the above technical problems, the utility model provides the following technical scheme: a limit stopper of preventing postoperative dislocation of artificial hip joint, comprising a positioning waistband, an alarm is arranged on the positioning waistband, a positioning plate is arranged below the alarm, a movable plate is arranged below the positioning plate, a pin column is arranged between the positioning plate and the movable plate, an L-shaped rotating rod is arranged above the movable plate, a limiting plate and a leg band are arranged below the L-shaped rotating rod, an arc-shaped column is arranged on the side surface of the middle part of the movable plate, the arc-shaped column is inserted into the second arc-shaped tube below, the second arc-shaped tube is inserted into the first arc-shaped tube below, a contactor is arranged in the first arc-shaped tube, the first arc-shaped tube and the contactor are arranged below the connecting block, and one end of the connecting block is arranged below the side surface of the alarm.
[0005] Preferably, a plurality of positioning holes are symmetrically arranged on both sides of the positioning waistband, magic tapes are arranged at both ends of the positioning waistband, a plurality of positioning columns are fixedly connected to both sides of the alarm, the positioning columns are inserted into the positioning holes, the positioning plate is fixedly connected below the alarm, and the positioning plate and the movable plate are rotatably connected to the pin column.
[0006] Preferably, the movable plate is rotatably connected below the L-shaped rotating rod, the middle part of the limiting plate is fixedly connected to the horizontal section of the L-shaped rotating rod, the side surface of the limiting plate is fixedly connected to the middle part of the outside of the leg band, and the two ends of the leg band are provided with magic tape parts.
[0007] Preferably, the side surface of the movable plate is fixedly connected to the arc-shaped column, and the arc-shaped column is inserted into the second arc-shaped tube in a sliding manner.
[0008] Preferably, the second arc-shaped tube is inserted into the first arc-shaped tube in a sliding manner, and the inside of the second arc-shaped tube is in communication with the inside of the first arc-shaped tube.
[0009] Preferably, the alarm is fixedly connected to one end of the connecting block in a side and lower manner, and the inside of the connecting block is in communication with the inside of the alarm.
[0010] Preferably, the first arc-shaped tube, the second arc-shaped tube and the arc-shaped column are arranged between the side surface of the movable plate and the connecting block, and the top of the arc-shaped column is below the contact device.
[0011] Preferably, the contact device is electrically connected to the alarm through the connecting block, and the bottom of the contact device corresponds to the top of the arc-shaped column.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The utility model discloses a positioning waistband, and the alarm is arranged below the positioning waistband, and the alarm is provided with a positioning plate and a movable plate, and the movable plate is provided with an L-shaped rotating rod, a limiting plate and a leg band, and the side surface of the movable plate and the connecting block are provided with a first arc-shaped tube, a second arc-shaped tube and an arc-shaped column, and the top of the arc-shaped column is provided with a contact device. ACCURATE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained according to the provided drawings without paying creative labor.
[0015] Fig. 1 It is the overall schematic diagram of the utility model;
[0016] Fig. 2 It is the overall schematic diagram of the utility model;
[0017] Fig. 3 It is the enlarged schematic diagram of A of the utility model.
[0018] The reference signs in the drawings refer to the following:
[0019] 1, positioning waistband; 101, Velcro part; 102, positioning hole; 2, alarm; 201, positioning column; 3, positioning plate; 4, movable plate; 5, pin column; 6, connecting block; 7, limiting plate; 8, leg band; 9, first arc-shaped tube; 10, second arc-shaped tube; 11, arc-shaped column; 12, contact device; 13, L-shaped rotating rod. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in 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.
[0021] Please refer to Figs. 1-3 The utility model provides a prevent artificial hip joint postoperative dislocation's alarmable stopper, including positioning waistband 1, be equipped with alarm 2 on positioning waistband 1, and be equipped with positioning plate 3 below alarm 2, be equipped with movable plate 4 above positioning plate 3 below, and be equipped with pin column 5 between positioning plate 3 and movable plate 4, be equipped with L type rotating rod 13 above movable plate 4 below, and be equipped with limiting plate 7 and leg band 8 in L type rotating rod 13 lower end below, simultaneously movable plate 4 middle part side is equipped with arc-shaped column 11, arc-shaped column 11 above is inserted in second arc-shaped tube 10 below, and second arc-shaped tube 10 above is inserted in first arc-shaped tube 9 below, be equipped with contact device 12 in first arc-shaped tube 9 above, and first arc-shaped tube 9 above and contact device 12 above all place in connecting block 6 below, simultaneously connecting block 6 one end is installed in alarm 2 side below.
[0022] In the embodiment, a plurality of positioning holes 102 are symmetrically arranged on both sides of the positioning waistband 1, and a Velcro part 101 is arranged at both ends of the positioning waistband 1. A plurality of positioning columns 201 are fixedly connected to both sides of the alarm 2, and the plurality of positioning columns 201 are correspondingly inserted into a plurality of positioning holes 102. The positioning plate 3 is fixedly connected below the alarm 2, and the positioning plate 3 is inserted into the opening above the movable plate 4. The positioning plate 3 and the movable plate 4 are both rotatably connected to the pin column 5.
[0023] Further, the movable plate 4 is rotatably connected to the upper side of the L-shaped rotating rod 13 below, and the L-shaped rotating rod 13 is fixedly connected to the middle part of the limiting plate 7 at the inner end of the horizontal section. The limiting plate 7 is fixedly connected to the outer middle part of the leg band 8 at the side surface, and the leg band 8 is provided with a Velcro part 101 at both ends.
[0024] The alarm 2 is arranged on the positioning waistband 1, and can be arranged on any one side of the waist after the positioning waistband 1 is bound on the waist, and can detect the hip joints on both sides, and the alarm 2 does not affect the rest of the patient.
[0025] Further, the arc-shaped column 11 is fixedly connected to the middle part of the side of the movable plate 4, and the arc-shaped column 11 is inserted into the second arc-shaped tube 10 in a sliding manner.
[0026] The positioning plate 3 and the movable plate 4 arranged below the alarm 2 are also arranged on both sides of the body, and the two are connected by the pin column 5. When the thigh is flexed, the movable plate 4 will rotate.
[0027] Further, the second arc-shaped tube 10 is inserted into the lower part of the first arc-shaped tube 9 in a sliding manner, and the second arc-shaped tube 10 is in communication with the first arc-shaped tube 9.
[0028] Further, one end of the connecting block 6 is fixedly connected to the lower part of one side of the alarm 2, and the connecting block 6 is in communication with the alarm 2.
[0029] The arc-shaped column 11 arranged on the side of the movable plate 4 is inserted into the second arc-shaped tube 10 and the first arc-shaped tube 9 in sequence when the thigh is flexed.
[0030] Further, the upper part of the first arc-shaped tube 9 and the upper part of the contactor 12 are fixedly connected to the lower part of the connecting block 6, and the contactor 12 is arranged in the upper part of the first arc-shaped tube 9.
[0031] Further, the contactor 12 is electrically connected to the alarm 2 through the connecting block 6, and the contactor 12 is below the top of the arc-shaped column 11.
[0032] After the arc-shaped column 11 is inserted into the first arc-shaped tube 9, the contactor 12 arranged in the first arc-shaped tube 9 collides with the arc-shaped column 11, and the contactor 12 gives an instruction to the alarm 2 through the connecting block 6, at this time, the alarm 2 alarms to the patient.
[0033] Working principle:
[0034] The alarm 2 is arranged on both sides of the positioning waistband 1, and a positioning plate 3 and a movable plate 4 are arranged below the alarm 2 respectively, and the positioning plate 3 and the movable plate 4 are rotatably connected by a pin 5, an L-shaped rotating rod 13, a limiting plate 7 and a leg band 8 are arranged below the movable plate 4, the leg band 8 is bound on the thigh, when the thigh is flexed, the movable plate 4 rotates around the pin 5 as the base point, and a first arc-shaped tube 9, a second arc-shaped tube 10 and an arc-shaped column 11 are arranged between the side surface of the movable plate 4 and the connecting block 6 respectively, when the movable plate 4 rises, the arc-shaped column 11 is inserted into the second arc-shaped tube 10 and the first arc-shaped tube 9 at one time, when the arc-shaped column 11 collides with the contactor 12 at the top of the first arc-shaped tube 9 after being inserted, and the thigh is flexed to 90°, at this time, the contactor 12 sends a signal to the alarm 2, so that the alarm 2 alarms, and the patient can be prevented from continuing to flex the hip joint.
[0035] In addition, a plurality of positioning holes 102 are symmetrically arranged on both sides of the positioning waistband 1, and a plurality of positioning columns 201 are correspondingly arranged on both sides of the alarm 2, only the positioning columns 201 on the alarm 2 need to be inserted into the positioning holes 102, because generally the hip joint replacement surgery is not performed on both sides, when the right hip needs to be limited, the alarm 2 is on the right side of the positioning waistband 1, and the positioning column 201 on the left side of the alarm 2 is inserted into the positioning hole 102, when the left hip needs to be limited, the alarm 2 is on the left side of the positioning waistband 1, and the positioning column 201 on the right side of the alarm 2 is inserted into the positioning hole 102, and the L-shaped rotating rod 13 needs to be rotated to correspondingly rotate the limiting plate 7 and the leg band 8, so that the alarm 2 can be correspondingly fixed and placed according to the side of the patient's hip joint replacement, and a plurality of positioning holes 102 are arranged on one side in order to adapt to patients with different waist circumferences.
[0036] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0037] The above embodiments are only exemplary embodiments of the present application, and are not used to limit the present application, and the protection scope of the present application is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present application within the spirit and protection scope of the present application, and such modifications or equivalent replacements are also regarded as falling within the protection scope of the present application.
Claims
1. An alarmable limiter for preventing postoperative dislocation of an artificial hip joint, comprising a positioning belt (1), characterized in that: The positioning waistband (1) is provided with an alarm (2), and the lower side of the alarm (2) is provided with a positioning plate (3), the lower side of the positioning plate (3) is provided with the upper side of a movable plate (4), and the positioning plate (3) and the movable plate (4) are provided with a pin column (5) therebetween, the lower side of the movable plate (4) is provided with the upper side of an L-shaped rotating rod (13), and the lower side of the L-shaped rotating rod (13) is provided with a limiting plate (7) and a leg band (8) at the inner end thereof, and the middle side of the movable plate (4) is provided with an arc-shaped column (11), the arc-shaped column (11) is inserted into the lower side of a second arc-shaped tube (10) at the upper side thereof, the second arc-shaped tube (10) is inserted into the lower side of a first arc-shaped tube (9) at the upper side thereof, the upper side of the first arc-shaped tube (9) is provided with a contact device (12) therein, the upper side of the first arc-shaped tube (9) and the upper side of the contact device (12) are both arranged below a connecting block (6), and one end of the connecting block (6) is mounted to the lower side of the side of the alarm (2).
2. The alarmable limiter for preventing dislocation after artificial hip arthroplasty according to claim 1, characterized in that: The positioning waistband (1) is provided with a plurality of positioning holes (102) symmetrically arranged on both sides thereof, and magic tape parts (101) are arranged at both ends of the positioning waistband (1), a plurality of positioning columns (201) are fixedly connected to both sides of the alarm (2), and the plurality of positioning columns (201) are correspondingly inserted into a plurality of the positioning holes (102), and the alarm (2) is fixedly connected with a positioning plate (3) below, and the positioning plate (3) is inserted into the opening in the upper side of a movable plate (4) below, and the positioning plate (3) and the movable plate (4) are both inserted with a rotating connecting pin column (5) therein.
3. The alarmable stopper for preventing dislocation after artificial hip arthroplasty according to claim 2, characterized in that: The lower side of the movable plate (4) is rotatably connected with the upper side of an L-shaped rotating rod (13), and the middle part of the limiting plate (7) is fixedly connected to the inner end of the horizontal section of the L-shaped rotating rod (13), the outer middle part of the leg band (8) is fixedly connected to the side of the limiting plate (7), and magic tape parts (101) are arranged at both ends of the leg band (8).
4. The alarmable stopper for preventing dislocation after artificial hip joint surgery according to claim 3, characterized in that: The side middle part of the movable plate (4) is fixedly connected with an arc-shaped column (11), and the upper side of the arc-shaped column (11) is inserted into the second arc-shaped tube (10) in a sliding manner.
5. The alarmable stopper for preventing dislocation after artificial hip joint surgery according to claim 4, characterized in that: The upper side of the second arc-shaped tube (10) is inserted into the lower side of the first arc-shaped tube (9) in a sliding manner, and the second arc-shaped tube (10) is in communication with the first arc-shaped tube (9) therein.
6. The alarmable stopper for preventing dislocation after artificial hip joint surgery according to claim 5, characterized in that: One end of the connecting block (6) is fixedly connected to the lower side of one side of the alarm (2), and the connecting block (6) is in communication with the alarm (2) therein.
7. The alarmable stopper for preventing dislocation after artificial hip joint surgery according to claim 6, characterized in that: The lower side of the connecting block (6) is fixedly connected with the upper side of the first arc-shaped tube (9) and the upper side of the contact device (12), and the contact device (12) is arranged in the upper side of the first arc-shaped tube (9).
8. The alarmable stopper for preventing dislocation after artificial hip joint surgery according to claim 7, characterized in that: The contact device (12) is electrically connected with the alarm (2) through the connecting block (6), and the lower side of the contact device (12) corresponds to the top of the arc-shaped column (11).