Hip joint post-operation leg abduction angle controller
By designing an adjustable leg abduction angle controller after hip arthrosurgery, the problem that the prior art cannot control the leg abduction angle of patients is solved, and effective protection and rehabilitation for patients after hip arthrosurgery is achieved.
Patent Information
- Application Number
- CN202421877120.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The existing post-hip position pads cannot control the patient's leg abduction angle according to needs, resulting in an increased risk of hip dislocation, and poor assisted hip rehabilitation.
A leg abduction angle controller after hip arthropathy is designed, using an isosceles trapezoidal position pad, with rotatable straight rods and movable blocks at both ends. By rotating the straight rod, the angle between the body position pad is adjusted to achieve precise control of the leg abduction angle.
Effectively prevent hip dislocation caused by the patient's legs, improve hip rehabilitation effect, and is easy to operate and safe.
Smart Images
Figure CN222983303U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical appliances, and specifically relates to a controller for the external abduction angle of the leg after hip joint surgery. Background Art
[0002] The incidence of joint dislocation after hip joint replacement in patients is approximately 2% - 10%. Early joint dislocation is mostly caused by the fact that the hip muscle strength has not yet returned to normal, and the lower limbs of the patients are in a dangerous position prone to joint dislocation.
[0003] Under normal circumstances, the main method for medical staff to fix the lower limb position of patients is to use a body position pad. The body position pad after hip joint surgery is made of a trapezoidal soft pad. Reference can be made to a multifunctional body position pad after hip joint surgery disclosed in the existing patent CN214180899U. The body position pad is clamped between the legs to abduct the bilateral hip joints of the patient by 20° to 30°, assisting in the rehabilitation of the hip joint.
[0004] The above technology still has deficiencies: the shape of the body position pad is fixed and cannot control the external abduction angle of the patient's leg according to requirements, and the effect of assisting hip joint rehabilitation is relatively poor.
[0005] Therefore, how to design a body position pad that can control the external abduction angle of the patient's leg and prevent the patient's leg from adducting to cause hip joint dislocation has become an urgent problem to be solved in the field of medical appliances. Content of the Utility Model
[0006] The purpose of the utility model is to provide a controller for the external abduction angle of the leg after hip joint surgery, which can control the external abduction angle of the patient's leg according to requirements, effectively prevent the patient's leg from adducting to cause hip joint dislocation, and has a better effect of assisting hip joint rehabilitation.
[0007] In order to achieve the above invention purpose, the utility model adopts the following technical solutions:
[0008] A hip joint postoperative leg abduction angle controller, comprising a body position pad. The body position pad is in the shape of an isosceles trapezoid. The two ends of the body position pad are respectively the upper bottom end and the lower bottom end. The body position pad is clamped between the patient's legs to abduct the legs after hip joint surgery. Rigid fixing members are respectively provided at the two ends of the body position pad. A rotatable straight rod is provided between the two fixing members. The straight rod and the two fixing members are on the same straight line. The straight rod has an external thread, and a movable block with an internal thread is sleeved outside the straight rod. The movable block is threadedly connected to the straight rod. By rotating the straight rod, the movable block moves along the length direction of the straight rod. Support plates are respectively provided on the two waist surfaces of the body position pad. Flipable linkage rods are provided on both sides of the movable block. The two linkage rods are horizontally symmetrically arranged. One end of each of the two support plates is respectively flipably connected to the end portions of the two linkage rods, and the other end of each of the two support plates is respectively flipably connected to both sides of the fixing member at the upper bottom end: When the straight rod rotates forward, the movable block moves towards one end of the straight rod, driving the two support plates to approach each other, so that the included angle between the two waist surfaces of the body position pad decreases; when the straight rod rotates reversely, the movable block moves towards the other end of the straight rod, driving the two support plates to move away from each other, so that the included angle between the two waist surfaces of the body position pad increases.
[0009] Compared with the prior art, the hip joint postoperative leg abduction angle controller adopting the above technical solution has the following beneficial effects:
[0010] By using the hip joint postoperative leg abduction angle controller of the present utility model, the included angle between the two waist surfaces of the body position pad is adjusted by rotating the straight rod, and the abduction angle of the patient's leg can be controlled according to requirements, effectively preventing the hip joint from dislocating due to the adduction of the patient's leg, and having a better auxiliary hip joint rehabilitation effect.
[0011] Preferably, a knob is provided at the lower bottom end of the body position pad on the straight rod. The knob is arranged outside the body position pad, and the straight rod is driven to rotate in the same direction by rotating the knob. The medical staff controls the abduction angle of the patient's leg by rotating the knob, and the operation is simple.
[0012] Preferably, the present utility model further includes two leg placement pads. Grooves are provided on the upper surfaces of the leg placement pads. The two leg placement pads are respectively arranged on both sides of the body position pad, and the side surfaces of the leg placement pads are abutted against the waist surfaces of the body position pad. The patient's legs are respectively limited in the grooves of the two leg placement pads. The two leg placement pads respectively fix the positions of the patient's legs, preventing the hip joint from dislocating due to excessive abduction angle of the patient's legs.
[0013] Preferably, the body position pad and the leg placement pads are detachably connected. A buckle groove is provided on the waist surface of the body position pad, and a buckle ring is provided on the side surface of the leg placement pad. The buckle ring is clamped in the buckle groove, and the insertion plate of the buckle groove is inserted into the ring opening of the buckle ring. The groove surface of the groove of the leg placement pad corresponds to the outer shape of the patient's leg. Different leg placement pads with different groove inner diameters can be installed on the body position pad for the legs of patients with different body types.
[0014] Preferably, buckle straps are provided on the two waists of the body position cushion, and a binding strap is provided on the leg placement cushion. The binding strap is fixed to the side of the groove away from the body position cushion. The movable end of the binding strap passes through the buckle strap and is fixed by sticking with a magic tape, so that the patient's legs are clamped between the groove and the binding strap. Fixing with the binding strap can prevent the patient's legs from bending too much at the knees, resulting in hip joint dislocation.
[0015] Preferably, the number of binding straps on the leg placement cushion is two. One binding strap of the leg placement cushion winds around the patient's thigh, and the other binding strap of the leg placement cushion winds around the patient's calf. This can enhance the fixation of the patient's legs.
[0016] Preferably, the straight rod is driven by a motor to rotate. An angle adjustment key is provided on the body position cushion, and the angle adjustment key is electrically connected to the straight rod motor. Medical staff can control the abduction angle of the patient's legs by pressing the angle adjustment key, which is labor-saving.
[0017] Preferably, an angle sensor is provided at the flip connection of the support plate. A display screen is provided on the body position cushion, and the display screen is electrically connected to the angle sensor. The display screen shows the abduction angle of the leg. Medical staff can know the current abduction angle of the leg by checking the display screen, and the operation is safer. Description of the Drawings
[0018] Figure 1 It is a schematic structural diagram of the controller in Embodiment 1.
[0019] Figure 2 It is a schematic use diagram of the controller in Embodiment 1.
[0020] Figure 3 It is a schematic structural diagram inside the body position cushion when the movable block moves upward to the upper end fixing part in Embodiment 1.
[0021] Figure 4 It is a schematic structural diagram inside the body position cushion when the movable block moves downward to the lower end fixing part in Embodiment 1.
[0022] Figure 5 It is a schematic structural diagram of the body position cushion in Embodiment 1.
[0023] Figure 6 It is a schematic structural diagram of the leg placement cushion in Embodiment 1.
[0024] Figure 7 It is a top view of the controller in Embodiment 2.
[0025] Figure 8 It is a block diagram of the electrical connection between the angle sensor and the display screen in Embodiment 2.
[0026] Reference numerals: 1, body position cushion; 10, fixing member; 11, straight rod; 12, support plate; 13, movable block; 14, linkage rod; 15, knob; 2, leg placement cushion; 20, groove; 21, buckle groove; 22, buckle; 23, strap; 24, buckle; 3, display screen; 31, angle adjustment key; 4, angle piece. Detailed implementation mode
[0027] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following combines the attached drawings and preferred embodiments to describe in detail the specific implementation mode, structure, features and their effects of the present utility model as follows.
[0028] Embodiment 1
[0029] As Figures 1 to 6 shown, the hip joint postoperative leg abduction angle controller includes a body position cushion 1. The body position cushion 1 is in the shape of an isosceles trapezoid. The two ends of the body position cushion 1 are respectively the upper bottom end and the lower bottom end. The body position cushion 1 is clamped between the patient's legs to abduct the legs after hip joint surgery. Rigid fixing members 10 are respectively provided at both ends of the body position cushion 1. A rotatable straight rod 11 is provided between the two fixing members 10. The straight rod 11 and the two fixing members 10 are on the same straight line. The straight rod 11 has an external thread, and a movable block 13 with an internal thread is sleeved outside the straight rod 11. The movable block 13 is threadedly connected to the straight rod 11. By rotating the straight rod 11, the movable block 13 moves along the length direction of the straight rod 11. Support plates 12 are respectively provided on the two waist surfaces of the body position cushion 1. Flipable linkage rods 14 are provided on both sides of the movable block 13. The two linkage rods 14 are horizontally symmetrically arranged. One end of each of the two support plates 12 is respectively flipably connected to the end of the two linkage rods 14, and the other end of each of the two support plates 12 is respectively flipably connected to both sides of the fixing member 10 at the upper bottom end: when the straight rod 11 rotates forward, the movable block 13 moves towards one end of the straight rod 11, driving the two support plates 12 to approach each other, so that the included angle between the two waist surfaces of the body position cushion 1 decreases; when the straight rod 11 rotates reversely, the movable block 13 moves towards the other end of the straight rod 11, driving the two support plates 12 to move away from each other, so that the included angle between the two waist surfaces of the body position cushion 1 increases. Elastic angle pieces 4 are respectively provided at the four corners of the body position cushion 1. The angle pieces 4 bend as the support plates 12 flip. The material of the angle pieces 4 can be metal, plastic or silicone. The present utility model adjusts the included angle between the two waist surfaces of the body position cushion 1 by rotating the straight rod 11, can control the leg abduction angle of the patient according to needs, effectively prevents the patient's legs from adducting and causing hip joint dislocation, and has a better auxiliary hip joint rehabilitation effect.
[0030] Among them, a knob 15 is provided at the lower bottom end of the body position cushion 1 for the straight rod 11. The knob 15 is provided outside the body position cushion 1. By rotating the knob 15, the straight rod 11 is driven to rotate in the same direction. Medical staff can control the leg abduction angle of the patient by rotating the knob 15, and the operation is simple.
[0031] The utility model further includes two leg placement pads 2, on which there are grooves 20. The two leg placement pads 2 are respectively arranged on both sides of the body position pad 1, and the sides of the leg placement pads 2 are abutted against the waist surface of the body position pad 1. The patient's legs are respectively limited in the grooves 20 of the two leg placement pads 2. The two leg placement pads 2 respectively fix the positions of the patient's legs to prevent the hip joint from dislocating due to excessive abduction angle of the patient's legs.
[0032] Wherein, the body position pad 1 and the leg placement pad 2 are detachably connected. There is a buckle groove 21 on the waist surface of the body position pad 1, and a buckle ring 22 is arranged on the side of the leg placement pad 2. The buckle ring 22 is clamped in the buckle groove 21, and the insertion plate of the buckle groove 21 is inserted into the ring opening of the buckle ring 22. The groove surface of the groove 20 of the leg placement pad 2 corresponds to the shape of the patient's leg. Different leg placement pads 2 with different inner diameters of the groove 20 can be installed on the body position pad 1 for the legs of patients with different body types.
[0033] Embodiment 2
[0034] As Figures 7 to 8 shown in the hip joint postoperative leg abduction angle controller, this embodiment is based on Embodiment 1. The difference between this embodiment and Embodiment 1 is that the electric control straight rod rotates instead of manually turning the knob.
[0035] The straight rod 11 rotates driven by a motor. There is an angle adjustment key 31 on the body position pad 1, and the angle adjustment key 31 is electrically connected to the motor of the straight rod 11. Medical staff control the abduction angle of the patient's leg by pressing the angle adjustment key 31, which is labor-saving in operation.
[0036] There is an angle sensor at the flipping connection of the support plate 12. There is a display screen 3 on the body position pad 1, and the display screen 3 is electrically connected to the angle sensor. The display screen 3 displays the leg abduction angle. Medical staff can know the current leg abduction angle by checking the display screen 3, and the operation is safer.
[0037] There are buckle straps 24 respectively arranged on the two waists of the body position pad 1. The leg placement pad 2 is provided with a binding strap 23. The binding strap 23 is fixed on the side of the groove 20 away from the body position pad 1. The movable end of the binding strap 23 passes through the buckle strap 24 and is fixed by a magic tape, so that the patient's leg is clamped between the groove 20 and the binding strap 23. The number of the binding straps 23 on the leg placement pad 2 is two. One of the binding straps 23 on the leg placement pad 2 winds around the patient's thigh, and the other binding strap 23 on the leg placement pad 2 winds around the patient's calf. Through the fixation of the binding strap 23, it is prevented that the hip joint dislocates due to excessive knee bending of the patient's leg.
[0038] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model. Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes within the scope of the technical solution of the present utility model by using the technical content disclosed above. However, as long as it does not depart from the content of the technical solution of the present utility model, any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims
1. A controller for leg abduction angle after hip joint surgery, characterized in that: The body positioning pad (1) comprises a body positioning pad (1) which is in the shape of an isosceles trapezoid. The two ends of the body positioning pad (1) are respectively an upper bottom end and a lower bottom end. The body positioning pad (1) is clamped between the patient's legs to enable the legs to be abducted after hip joint surgery. The two ends of the body positioning cushion (1) are respectively provided with rigid fixing members (10), a rotatable straight rod (11) is provided between the two fixing members (10), the straight rod (11) and the two fixing members (10) are on the same straight line, the straight rod (11) has an external thread, and a movable block (13) with an internal thread is provided on the outer sleeve of the straight rod (11), the movable block (13) is threadedly connected to the straight rod (11), and the movable block (13) moves along the length direction of the straight rod (11) by rotating the straight rod (11). The two waist surfaces of the body positioning cushion (1) are respectively provided with support plates (12), and the two sides of the movable block (13) are provided with flippable linkage rods (14). The two linkage rods (14) are arranged horizontally and symmetrically. The same end of the two support plates (12) can be flipped and connected to the ends of the two linkage rods (14), and the other ends of the two support plates (12) can be flipped and connected to the two sides of the upper bottom end fixing member (10). When the straight rod (11) rotates forward, the movable block (13) moves toward one end of the straight rod (11), driving the two support plates (12) to approach each other, so that the angle between the two waist surfaces of the body positioning cushion (1) is reduced; when the straight rod (11) rotates reversely, the movable block (13) moves toward the other end of the straight rod (11), driving the two support plates (12) to move away from each other, so that the angle between the two waist surfaces of the body positioning cushion (1) is increased.
2. The leg abduction angle controller after hip joint surgery according to claim 1, characterized in that: The straight rod (11) is provided with a knob (15) at the lower end of the body positioning pad (1); the knob (15) is arranged outside the body positioning pad (1); and the straight rod (11) is driven to rotate in the same direction by rotating the knob (15).
3. The leg abduction angle controller after hip joint surgery according to claim 1, characterized in that: It also comprises two leg-placement pads (2), each of which is provided with a groove (20) for placing the patient's legs. The two leg-placement pads (2) are respectively arranged on both sides of the body positioning pad (1), and the side surfaces of the leg-placement pads (2) are in contact with the waist surface of the body positioning pad (1), and the patient's legs are respectively confined in the grooves (20) of the two leg-placement pads (2).
4. The leg abduction angle controller after hip joint surgery according to claim 3, characterized in that: The body positioning pad (1) is detachably connected to the leg support pad (2); a buckle groove (21) is provided on the waist surface of the body positioning pad (1); a buckle ring (22) is provided on the side surface of the leg support pad (2); the buckle ring (22) is clamped in the buckle groove (21), and a plug plate of the buckle groove (21) is inserted in the ring opening of the buckle ring (22).
5. The leg abduction angle controller after hip joint surgery according to claim 4, characterized in that: The two waist parts of the positioning pad (1) are respectively provided with buckles (24), and the leg support pad (2) is provided with a strap (23). The strap (23) is fixed to the side of the groove (20) away from the positioning pad (1). The movable end of the strap (23) passes through the buckle (24) and is fixed by Velcro, so that the patient's legs are clamped between the groove (20) and the strap (23).
6. The leg abduction angle controller after hip joint surgery according to claim 5, characterized in that: The number of straps (23) on the leg rest pad (2) is two, one of the straps (23) of the leg rest pad (2) is wrapped around the patient's thigh, and the other strap (23) of the leg rest pad (2) is wrapped around the patient's calf.
7. The leg abduction angle controller after hip joint surgery according to claim 1, characterized in that: The straight rod (11) is driven by a motor to rotate, and an angle adjustment key (31) for adjusting the angle between two waist surfaces of the position pad (1) is provided on the position pad (1), and the angle adjustment key (31) is electrically connected to the motor of the straight rod (11).
8. The leg abduction angle controller after hip joint surgery according to claim 1, characterized in that: An angle sensor is provided at the flip connection of the support plate (12), a display screen (3) is provided on the position pad (1), the display screen (3) is electrically connected to the angle sensor, and the display screen (3) displays the leg abduction angle.