Interventional postoperative lower limb fixing device

By designing a height adjustment device and a lower limb clamping device after interventional lower limb fixation device, the problem of the inability to adjust the patient's leg posture in the prior art is solved, and the effect of adjusting the lower limb posture according to the condition and promoting blood circulation and rehabilitation is achieved.

CN222942580UActive Publication Date: 2025-06-06AIR FORCE HOSPITAL OF THE EASTERN THEATER COMMAND OF THE CHINESE PEOPLES LIBERATION ARMY
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Patent Information

Application Number
CN202421918126.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-06-06
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

After interventional surgery, the lower limb fixation device cannot adjust the tilt angle between the patient's legs and the hospital bed, causing the patient's legs to maintain a posture for a long time, which may lead to numbness and poor blood circulation, affecting recovery.

Method used

A post-interventional lower limb fixation device is designed, including a height adjustment device and a lower limb clamping device. The height adjustment device achieves a different height fit with the hospital bed through a linear motor and a lifting table. The lower limb clamping device flexibly clamps the thighs and calf through the first and second placement plates and elastic ropes, allowing the lower limb posture to be adjusted according to the condition.

Benefits of technology

The device can adjust the lower limb posture according to the patient's condition requirements, avoiding numbness and poor blood circulation caused by maintaining a posture for a long time in the legs, and ensuring normal blood circulation and recovery of the patient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an interventional postoperative lower limb fixing device, and relates to the technical field of medical instruments. The interventional postoperative lower limb fixing device comprises a movable base, a height adjusting device is arranged at the top end of the movable base, and a lower limb clamping device is arranged at the movable end of the height adjusting device. According to the interventional postoperative lower limb fixing device, the height adjusting device and the lower limb clamping device are arranged, and a lifting table can be promoted to drive the lower limb clamping device to be attached to sickbeds with different heights through a linear motor in a driving box contained in the height adjusting device; the thighs and the shanks of the patient can be clamped in a flexion and extension manner by matching with a first placing plate and a second placing plate of the lower limb clamping device, so that the fixing device can adjust the lower limbs into different postures according to the illness condition requirements of the patient; therefore, the condition that the legs of the patient are numb due to the fact that the legs of the patient keep a posture for a long time is avoided, blood of the patient can normally circulate, and rehabilitation of the patient is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a lower limb fixation device after interventional surgery. Background Art

[0002] Interventional therapy is a minimally invasive treatment performed using modern high-tech means. Under the guidance of medical imaging equipment, special catheters, guide wires and other precision instruments are introduced into the human body to diagnose and locally treat pathologies in the body.

[0003] After the interventional surgery, the patient needs to return to the ward and rest in bed. Because the blood vessels in the puncture site are arteries and the pressure is very high, the punctured lower limbs need to be clamped by a fixation device to prevent bleeding at the puncture site and subcutaneous hematoma due to random movement of the lower limbs.

[0004] After searching, it is found that in the patent publication number CN215081273U, it is stated that "the utility model places a U-shaped support plate on the support surface, and then uses the support half-tube and the fitting half-tube to effectively support and fix the lower limbs. The control knob is rotated to control the rotation of the threaded rod. The rotation of the threaded rod causes the two threaded blocks to move toward the side close to the suspension plate under the limit of the limit rod, thereby effectively hanging and fixing the patient's lower limbs. Therefore, when switching between hanging fixation and support fixation, there is no need to replace the device, thereby improving the efficiency of fixing the patient's lower limbs."

[0005] However, the above scheme still has certain shortcomings in actual use. When in use, this scheme cannot adjust the inclination angle between the patient's legs and the bed, but only brakes the patient's heels. The patient's legs maintain a posture for a long time, which will cause numbness in the patient's legs. Poor blood circulation may affect the patient's independent heel movement and affect the patient's recovery. Utility Model Content

[0006] The utility model provides a lower limb fixation device after interventional surgery to solve the problems in the background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lower limb fixation device after interventional surgery, comprising a movable base, a height adjustment device is arranged at the top of the movable base, and a lower limb clamping device is arranged at the movable end of the height adjustment device;

[0008] The height adjustment device comprises a driving box, the inner wall of which is rotatably connected to a linear motor via an inner wall power supply, and a lifting platform is fixedly mounted on the movable end of the linear motor;

[0009] The lower limb clamping device includes a brake box and a cover plate, which are movably connected with each other. The inner wall of the brake box is provided with a driving gear through a built-in power supply, and the outer side of the driving gear is meshed with a follower gear. An eccentric rod is fixedly installed on the outer side of the follower gear, and the end of the eccentric rod away from the follower gear is rotatably connected to a first placement plate, and the outer side of the cover plate is rotatably connected to a second placement plate through a rotating shaft.

[0010] Furthermore, the front side of the driving box is movably connected with a front cover, and the lifting platform is located at the front side of the front cover.

[0011] Furthermore, a cylinder is provided on the inner wall of the brake box, a positioning rack is fixedly mounted on the movable end of the cylinder, and the positioning rack is located above the follower gear.

[0012] Furthermore, a slide rail is provided inside the cover plate, and the eccentric rod is located inside the slide rail and is slidably connected to the inner wall of the slide rail.

[0013] Furthermore, the first placement plate and the second placement plate are both provided with elastic ropes, and the elastic ropes are rubber-coated elastic ropes.

[0014] Compared with the prior art, the utility model provides a lower limb fixation device after interventional surgery, which has the following features:

[0015] Beneficial effects:

[0016] The post-interventional lower limb fixation device is provided with a height adjustment device and a lower limb clamping device. The linear motor inside the driving box contained in the height adjustment device can prompt the lifting platform to drive the lower limb clamping device to fit with beds of different heights. The first placement plate and the second placement plate contained in the lower limb clamping device can then be used to perform flexion and extension clamping of the patient's thigh and calf, so that the fixation device can adjust the lower limbs to different postures according to the patient's condition, thereby avoiding the patient's legs from maintaining a posture for a long time, causing numbness in the patient's legs, allowing the patient's blood to circulate normally, and ensuring the patient's recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the height adjustment device of the utility model;

[0019] Figure 3 It is a schematic diagram of the height adjustment device of the utility model;

[0020] Figure 4 It is a schematic diagram of the lower limb clamping device of the utility model.

[0021] In the figure: 1. Mobile base; 2. Height adjustment device; 201. Drive box; 202. Linear motor; 203. Front cover; 204. Lifting platform; 3. Lower limb clamping device; 301. Brake box; 302. Drive gear; 303. Follower gear; 304. Eccentric rod; 305. Positioning rack; 306. Cover plate; 307. Slide rail; 308. Rotating shaft; 309. First placement plate; 310. Second placement plate; 311. Elastic rope. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model discloses a lower limb fixation device after interventional surgery, comprising a movable base 1, a height adjustment device 2 is arranged at the top of the movable base 1, and a lower limb clamping device 3 is arranged at the movable end of the height adjustment device 2.

[0024] The height adjustment device 2 includes a drive box 201, the front side of the drive box 201 is movably connected to a front cover 203, the lifting platform 204 is located on the front side of the front cover 203, the inner wall of the drive box 201 is rotatably connected to a linear motor 202 through an inner wall power supply, and the movable end of the linear motor 202 is fixedly installed with a lifting platform 204.

[0025] The lower limb clamping device 3 includes a brake box 301 and a cover plate 306, which are movably connected with each other. The inner wall of the brake box 301 is provided with a driving gear 302 through a built-in power supply. The outer side of the driving gear 302 is meshed with a follower gear 303. An eccentric rod 304 is fixedly installed on the outer side of the follower gear 303. The end of the eccentric rod 304 away from the follower gear 303 is rotatably connected to a first placement plate 309, and the outer side of the cover plate 306 is rotatably connected to a second placement plate 310 via a rotating shaft 308.

[0026] By setting up a height adjustment device 2 and a lower limb clamping device 3, the linear motor 202 inside the driving box 201 included in the height adjustment device 2 can prompt the lifting platform 204 to drive the lower limb clamping device 3 to fit with beds of different heights, and then cooperate with the first placement plate 309 and the second placement plate 310 included in the lower limb clamping device 3 to flex and extend the patient's thigh and calf, so that the fixing device can adjust the lower limbs to different postures according to the patient's condition, thereby avoiding the patient's legs from maintaining a posture for a long time, causing numbness of the patient's legs, allowing the patient's blood to circulate normally, and ensuring the patient's recovery.

[0027] Specifically, a cylinder is disposed on the inner wall of the brake box 301 , and a positioning rack 305 is fixedly mounted on the movable end of the cylinder. The positioning rack 305 is located above the follower gear 303 .

[0028] In this embodiment, the cylinder can be used to drive the positioning rack 305 to adjust the height, so that the positioning rack 305 gradually meshes with the follower gear 303, thereby limiting the rotation of the follower gear 303, so that the positioning rack 305 can limit the follower gear 303.

[0029] Specifically, a slide rail 307 is provided inside the cover plate 306 , and the eccentric rod 304 is located inside the slide rail 307 and is slidably connected to the inner wall of the slide rail 307 .

[0030] In this embodiment, the slide rail 307 can be used to make the eccentric rod 304 slide along the inside of the slide rail 307 , thereby improving the movement stability of the eccentric rod 304 .

[0031] Specifically, the first placement plate 309 and the second placement plate 310 are both provided with elastic ropes 311, and the elastic ropes 311 are rubber-coated elastic ropes.

[0032] In this embodiment, the elastic rope 311 has its own elastic force, so the elastic rope 311 will restrict the patient's calf and thigh to the inner side of the first placement board 309 and the second placement board 310 respectively.

[0033] When in use, the fixing device is first moved to a specified position through the self-locking universal wheel at the bottom of the mobile base 1, and then the state of the self-locking universal wheel is adjusted so that the self-locking universal wheel is limited, so that the mobile base 1 is inserted under the bed;

[0034] Then, the height adjustment device 2 is started, so that the movable end of the linear motor 202 inside the driving box 201 drives the lifting platform 204 to move in the axial direction, so that the lifting platform 204 gradually contacts the mattress of the bed;

[0035] Then, the patient's calf is inserted into the first placement board 309, and then the patient's thigh is inserted into the second placement board 310. Since the elastic rope 311 has its own elastic force, the elastic rope 311 will restrict the patient's calf and thigh to the inner side of the first placement board 309 and the second placement board 310 respectively, and the patient's lower limbs are in a stretched state at this time;

[0036] When the clamped lower limb needs to be flexed and extended, the built-in power supply is started, so that the driving gear 302 drives the follower gear 303 to mesh and transmit, so that the follower gear 303 starts to drive the eccentric rod 304 to move in an arc with the midpoint of the follower gear 303 as the center, so that the eccentric rod 304 starts to move inside the slide rail 307, so that the eccentric rod 304 drives the first placement plate 309 to swing back and forth;

[0037] The first placement plate 309 drives the calf to gradually lift up, and as the calf is lifted up, the rotating shaft 308 drives the thigh on the inner side of the second placement plate 310 to rotate, so that the patient's thigh and calf gradually become flexed and extended, so that the fixing device can adjust the lower limbs to different postures according to the patient's condition.

[0038] In summary, the post-interventional lower limb fixation device, by setting up a height adjustment device 2 and a lower limb clamping device 3, can use the linear motor 202 inside the drive box 201 contained in the height adjustment device 2 to prompt the lifting platform 204 to drive the lower limb clamping device 3 to fit with beds of different heights, and then cooperate with the first placement plate 309 and the second placement plate 310 contained in the lower limb clamping device 3 to flex and extend the patient's thigh and calf, so that the fixation device can adjust the lower limbs to different postures according to the patient's condition, thereby avoiding the patient's legs from maintaining a posture for a long time, causing numbness of the patient's legs, allowing the patient's blood to circulate normally, and ensuring the patient's recovery.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A post-intervention lower limb fixation device, comprising a movable base (1), characterized in that: The top end of the movable base (1) is provided with a height adjustment device (2), and the movable end of the height adjustment device (2) is provided with a lower limb clamping device (3); The height adjustment device (2) comprises a drive box (201), the inner wall of the drive box (201) is rotatably connected to a linear motor (202) via an inner wall power supply, and a lifting platform (204) is fixedly mounted on the movable end of the linear motor (202); The lower limb clamping device (3) comprises a brake box (301) and a cover plate (306), wherein the brake box (301) and the cover plate (306) are movably connected to each other, and the inner wall of the brake box (301) is provided with a driving gear (302) through a built-in power supply, and the outer side of the driving gear (302) is meshed with a follower gear (303), and an eccentric rod (304) is fixedly installed on the outer side of the follower gear (303), and one end of the eccentric rod (304) away from the follower gear (303) is rotatably connected to a first placement plate (309), and the outer side of the cover plate (306) is rotatably connected to a second placement plate (310) through a rotating shaft (308).

2. The post-intervention lower limb fixation device according to claim 1, characterized in that: The front side of the driving box (201) is movably connected to a front cover (203), and the lifting platform (204) is located on the front side of the front cover (203).

3. The post-intervention lower limb fixation device according to claim 1, characterized in that: The inner wall of the brake box (301) is provided with a cylinder, and a positioning rack (305) is fixedly mounted on the movable end of the cylinder. The positioning rack (305) is located above the follower gear (303).

4. The post-intervention lower limb fixation device according to claim 1, characterized in that: A slide rail (307) is provided inside the cover plate (306), and the eccentric rod (304) is located inside the slide rail (307) and is slidably connected to the inner wall of the slide rail (307).

5. The post-intervention lower limb fixation device according to claim 1, characterized in that: The first placement plate (309) and the second placement plate (310) are both provided with elastic ropes (311), and the elastic ropes (311) are rubber-coated elastic ropes.

Citation Information

Patent Citations

  • Lower limb fixing device for interventional postoperative patient

    CN215081273U