A lower limb immobilization assisting device after femoral artery puncture

Abstract

This invention discloses a lower limb immobilization assistive device after femoral artery puncture, comprising: a flexible immobilizing body made of flexible material; multiple first straps on one side of the flexible immobilizing body; the first straps being detachably connected to the other side of the flexible immobilizing body via first Velcro straps; multiple massage protrusions on the inner surface of the flexible immobilizing body; each massage protrusion containing a vibrator for vibrating and massaging the patient's leg; a monitoring unit on the flexible immobilizing body for monitoring changes in leg flexion; multiple ventilation holes on the flexible immobilizing body; and symmetrically arranged first fixing straps on the outer surface of the flexible immobilizing body for securing it to a hospital bed. This invention, through the vibrator and massage protrusions, can massage the patient's leg, promote blood circulation, relax the leg muscles, and simultaneously monitor in real time whether the patient's leg is flexing, facilitating timely intervention by medical personnel.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and more specifically to a lower limb immobilization assist device after femoral artery puncture. Background Technology

[0002] Femoral artery puncture is an interventional procedure performed by puncturing the femoral artery for diagnosis or treatment. It is commonly used for cardiovascular angiography, interventional therapy, or hemodynamic monitoring. To prevent abnormalities such as bleeding at the puncture site, patients are required to immobilize the operated lower limb for 24 hours post-procedure, necessitating the use of a lower limb immobilization device.

[0003] However, existing lower limb immobilization devices have the following problems: 1. Patients' limbs will become stiff and numb after being immobilized for a long time, requiring assistance from staff to massage and relieve the numbness, which is time-consuming and laborious; 2. There is a lack of monitoring devices, so when the patient's limb on the operated side bends, medical staff cannot deal with it in time. Summary of the Invention

[0004] In view of this, the present invention provides a lower limb immobilization assist device after femoral artery puncture, the purpose of which is to solve the problems existing in the prior art.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A lower limb immobilization assistive device after femoral artery puncture includes: a flexible immobilizing body made of flexible material; a plurality of first straps on one side of the flexible immobilizing body; the first straps being detachably connected to the other side of the flexible immobilizing body via first Velcro; a plurality of massage protrusions on the inner surface of the flexible immobilizing body; a vibrator for providing vibration massage to the patient's leg inside each massage protrusion; a monitoring unit for monitoring changes in the bending of the patient's leg on the flexible immobilizing body; a plurality of ventilation holes on the flexible immobilizing body; and first fixing straps symmetrically arranged on the outer surface of the flexible immobilizing body for fixing to the bed.

[0006] Preferably, the monitoring unit includes an infrared ranging sensor; the infrared ranging sensor is detachably connected to the outer surface of the flexible braking body via a second Velcro strap.

[0007] Preferably, the flexible braking body is provided with multiple electric heating wires for heating the patient's leg.

[0008] Preferably, the flexible braking body has a base plate at its bottom; the top of the base plate has a plurality of limiting mechanisms for limiting the patient's legs.

[0009] Preferably, the limiting mechanism includes an inverted U-shaped fixing frame; the flexible braking body is located inside the fixing frame; a bidirectional lead screw is rotatably connected to the upper part of the fixing frame; a first motor is provided on one side of the fixing frame; one end of the bidirectional lead screw is connected to the output shaft of the first motor; two drive blocks are symmetrically threaded on the bidirectional lead screw; a drive rod is provided at the bottom of the drive block; and an arc-shaped clamp is provided on the side of the drive rod near the flexible braking body.

[0010] Preferably, the arc-shaped clamp is provided with a buffer protective pad on the side near the flexible braking body.

[0011] Preferably, the base plate is provided with second fixing straps on the left and right sides for fixing to the hospital bed.

[0012] Preferably, the rear side of the base plate is provided with a passive ankle pump motion mechanism for driving the patient's foot movement.

[0013] Preferably, the passive ankle pump mechanism includes a fixed plate, two support plates, a second motor, a rotating shaft, and a pedal; the fixed plate is detachably connected to the rear side of the base plate; the two support plates are symmetrically arranged on the top left and right sides of the fixed plate; the rotating shaft is rotatably connected between the two support plates; the second motor is disposed on one of the support plates; the output shaft of the second motor is connected to one end of the rotating shaft; the pedal is fixedly connected to the rotating shaft; and a support plate is provided at the bottom of the pedal near the flexible braking body.

[0014] Preferably, the pedal is provided with a second strap for restraining the patient's foot on the side near the flexible braking body.

[0015] The present invention achieves the following technical effects compared to the prior art: 1) This invention uses a vibrator and massage protrusions to massage the patient's legs, promote blood circulation, relax the patient's leg muscles, and at the same time, the monitoring unit can detect in real time whether the patient's legs are bent, so that medical staff can deal with it in time.

[0016] 2) By setting an electric heating wire inside the flexible braking body, the present invention can heat the flexible braking body, thereby heating the patient's leg and improving the patient's comfort.

[0017] 2) The present invention can drive the patient's foot to perform dorsiflexion and plantarflexion movements through a passive ankle pump movement mechanism, thereby helping the patient to complete the flexion and extension of the ankle joint, thereby preventing deep vein thrombosis, maintaining joint range of motion and promoting blood circulation. Attached Figure Description

[0018] Figure 1 This is a perspective view of a lower limb immobilization assist device after femoral artery puncture according to the present invention. Figure 2 This is a perspective view of a lower limb immobilization assist device after femoral artery puncture according to the present invention from another angle; Figure 3 This is a side view of a lower limb immobilization assist device after femoral artery puncture according to the present invention; Figure 4 This is a schematic diagram of the limiting mechanism; Figure 5 This is a schematic diagram of the passive ankle pump mechanism. In the diagram: 1. Flexible braking body; 2. First strap; 3. First Velcro; 4. Massage protrusion; 5. Ventilation hole; 6. First fixing strap; 7. Infrared ranging sensor; 8. Second Velcro; 9. Base plate; 10. Fixing frame; 11. Two-way lead screw; 12. First motor; 13. Drive block; 14. Drive rod; 15. Arc-shaped clamp; 16. Buffer protective pad; 17. Second fixing strap; 18. Fixing plate; 19. Support plate; 20. Second motor; 21. Rotating shaft; 22. Pedal; 23. Support plate; 24. Second strap; 25. Alarm; 26. First fixing seat; 27. First fastening bolt; 28. Third Velcro; 29. ​​Fourth Velcro; 30. Fifth Velcro; 31. Fixing ring; 32. Through groove; 33. Second fixing seat; 34. Slide groove; 35. Long hole; 36. Second fastening bolt; 37. Third fastening bolt. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example

[0021] Reference Figure 1-5 As shown, this invention discloses a lower limb immobilization assist device after femoral artery puncture, comprising: a flexible immobilizing body 1 made of flexible material; a plurality of first straps 2 on one side of the flexible immobilizing body 1; the first straps 2 being detachably connected to the other side of the flexible immobilizing body 1 via first Velcro 3; a plurality of massage protrusions 4 on the inner side of the flexible immobilizing body 1; each massage protrusion 4 having a vibrator inside for vibrating massage of the patient's leg; a monitoring unit for monitoring changes in the bending of the patient's leg on the front side of the flexible immobilizing body 1; a plurality of ventilation holes 5 on the flexible immobilizing body 1 for ventilation; and first fixing straps 6 symmetrically arranged on the outer side of the flexible immobilizing body 1 for fixing to the bed.

[0022] In use, the patient's leg is first placed on the flexible braking body 1. Then, the first strap 2 is pulled, and the first Velcro 3 is used to fix the first strap 2 to the corresponding position on the other side of the flexible braking body 1 to fix the patient's leg. Finally, the end of the first fixing strap 6 away from the flexible braking body 1 is fixedly connected to the bed to prevent the device from shifting as a whole. This achieves the fixation of the patient's leg. After fixation, the patient's leg can be massaged by the vibrator and massage protrusions to promote blood circulation and relax the leg muscles. At the same time, the monitoring unit monitors in real time whether the patient's leg is bent, so that medical staff can deal with it in time.

[0023] In this embodiment, the first hook and loop fastener 3 includes a first hook surface and a first loop surface; the first hook surface is disposed on the first strap 2; the first loop surface is disposed on the outer side of the flexible braking body 1; in use, according to the patient's body shape, the first hook surface is attached to the corresponding position of the first loop surface to fix the patient's leg.

[0024] In this embodiment, the monitoring unit includes an infrared ranging sensor 7; the infrared ranging sensor 7 is detachably connected to the outer surface of the flexible braking body 1 via a second Velcro 8; when the patient's leg bends, the flexible braking body 1 will move with the movement of the patient's leg, thereby driving the infrared ranging sensor 7 to move, and the infrared ranging sensor 7 can confirm whether the patient's leg has bent by detecting the displacement change.

[0025] In this embodiment, the flexible braking body 1 is equipped with an alarm 25; when the infrared ranging sensor 7 detects that the patient's leg is bent, the alarm 25 automatically sounds an alarm to remind medical staff so that they can handle the situation in a timely manner.

[0026] In this embodiment, the flexible braking body 1 is equipped with multiple electric heating wires inside; when the weather is cold, the flexible braking body 1 can be heated by the electric heating wires, thereby heating the patient's leg and improving the patient's comfort.

[0027] In this embodiment, the flexible braking body 1 has a base plate 9 at its bottom; the top of the base plate 9 has a plurality of limiting mechanisms arranged side by side for limiting the patient's legs, thereby further improving the braking effect on the patient's legs.

[0028] In this embodiment, the limiting mechanism includes an inverted U-shaped fixing frame 10; a flexible braking body 1 is located inside the fixing frame 10; a bidirectional lead screw 11 is rotatably connected to the upper part of the fixing frame 10; a first motor 12 is provided on one side of the fixing frame 10; one end of the bidirectional lead screw 11 is connected to the output shaft of the first motor 12; two drive blocks 13 are symmetrically threaded on the bidirectional lead screw 11; a drive rod 14 is provided at the bottom of the drive block 13; an arc-shaped clamping plate 15 is provided on the side of the drive rod 14 near the flexible braking body 1; in use, the first motor 12 drives the bidirectional lead screw 11 to rotate, the bidirectional lead screw 11 drives the two drive blocks 13 to move towards each other, the two drive blocks 13 drive the two drive rods 14 to move towards each other, and the two drive rods 14 drive the two arc-shaped clamping plates 15 to move towards each other until the arc-shaped clamping plates 15 abut against the outer side of the flexible braking body 1, further limiting the patient's leg.

[0029] In this embodiment, the fixing frame 10 includes a horizontal plate and two vertical plates; the two vertical plates are symmetrically arranged on the left and right sides of the flexible braking body 1; the horizontal plate is fixedly connected to the top of the two vertical plates; the two ends of the bidirectional lead screw 11 are respectively rotatably connected to the two vertical plates; the vertical plates are connected to the top of the base plate 9 through the first fixing seat 26.

[0030] In this embodiment, the first fixing seat 26 is fixedly connected to the top of the base plate 9; the top of the first fixing seat 26 has a slot; the vertical plate is inserted into the corresponding slot; the outer side wall of the first fixing seat 26 is threaded with a first fastening bolt 27 for fixing the vertical plate; in use, the vertical plate is inserted into the corresponding slot and the first fastening bolt 27 is tightened to fix the limiting mechanism on the base plate 9; when it is necessary to disassemble the limiting mechanism, the first fastening bolt 27 is loosened and the vertical plate is pulled out from the slot to complete the disassembly of the limiting mechanism.

[0031] In this embodiment, the curved clamping plate 15 is provided with a buffer protective pad 16 on the side close to the flexible braking body 1 to prevent the curved clamping plate 15 from damaging the flexible braking body 1 during the clamping process.

[0032] In this embodiment, the first fixing strap 6 is provided with a third hook and loop fastener 28; the third hook and loop fastener 28 includes a third hook surface and a third loop surface; the third hook surface and the third loop surface are located on the same side of the first fixing strap 6; in use, the first fixing strap 6 is fixedly connected to the hospital bed by the cooperation of the third hook surface and the third loop surface of the third hook and loop fastener 28.

[0033] In this embodiment, the base plate 9 is provided with second fixing straps 17 on the left and right sides for fixing to the hospital bed.

[0034] In this embodiment, the second fixing strap 17 is provided with a fourth hook and loop fastener 29; the fourth hook and loop fastener 29 includes a fourth hook surface and a fourth loop surface; the fourth hook surface and the fourth loop surface are located on the same side of the second fixing strap 17; in use, the second fixing strap 17 is fixedly connected to the hospital bed by the cooperation of the fourth hook surface and the fourth loop surface of the fourth hook and loop fastener 29.

[0035] In this embodiment, a passive ankle pump motion mechanism for driving the patient's foot movement is provided on the rear side of the base plate 9.

[0036] In this embodiment, the passive ankle pump motion mechanism includes a fixed plate 18, two support plates 19, a second motor 20, a rotating shaft 21, and a pedal 22. The fixed plate 18 is detachably connected to the rear side of the base plate 9. The two support plates 19 are symmetrically arranged on the left and right sides of the top of the fixed plate 18. The rotating shaft 21 is rotatably connected between the two support plates 19. The second motor 20 is mounted on one of the support plates 19. The output shaft of the second motor 20 is connected to one end of the rotating shaft 21. The pedal 22 is fixedly connected to the rotating shaft 21. The bottom of the pedal 22 near the flexible braking body 1 is provided with a support plate 23 for supporting the patient's heel. In use, the patient's foot is first placed on the pedal 22, and then the second motor 20 is started. The second motor 20 drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the pedal 22 to rotate, and the pedal 22 drives the patient's foot to perform dorsiflexion or plantarflexion movements, thereby helping the patient to complete the flexion and extension of the ankle joint, thereby preventing deep vein thrombosis, maintaining joint range of motion, and promoting blood circulation.

[0037] In this embodiment, the pedal 22 is provided with a second strap 24 for restraining the patient's foot on the side near the flexible braking body 1.

[0038] In this embodiment, one end of the second strap 2 is fixedly connected to the pedal 22, and the other end of the second strap 24 is provided with a fifth hook and loop fastener 30; the fifth hook and loop fastener 30 includes a fifth hook surface and a fifth loop surface; the fifth hook surface and the fifth loop surface are located on the same side of the second strap 24; a fixing ring 31 is provided on the side of the pedal 22 away from the second strap 2; in use, the second strap 24 is passed through the fixing ring 31, and the fifth hook surface is attached to the fifth loop surface to fix the patient's foot.

[0039] In this embodiment, a through groove 32 is provided on the fixing plate 18; the through groove 32 is located directly below the pedal 22 to avoid interference between the pedal 22 and the fixing plate 18.

[0040] In this embodiment, the top of the fixing plate 18 is provided with a second fixing seat 33; the number of second fixing seats 33 is the same as that of the support plate 19, and they are arranged in a one-to-one correspondence; the top of the second fixing seat 33 is provided with a sliding groove 34; the support plate 19 is slidably connected in the corresponding sliding groove 34; the outer wall of the second fixing seat 33 is provided with an elongated hole 35; the side of the support plate 19 near the elongated hole 35 is provided with a threaded hole; a second fastening bolt 36 is threadedly connected in the threaded hole; in use, first move the support plate 19 to a suitable position, then pass the second fastening bolt 36 through the elongated hole 35 and screw it into the threaded hole, and then continue to rotate the second fastening bolt 36 until the nut of the second fastening bolt 36 abuts against the outer wall of the second fixing seat 33, so that the support plate 19 can be fixed.

[0041] In this embodiment, a slot is provided on the side of the base plate 9 near the fixing plate 18; the fixing plate 18 is provided on the side of the base plate 9 near the slot with an insert plate that is compatible with the slot; the insert plate is inserted into the slot; a third fastening bolt 37 is threadedly connected to the top of the base plate 9 for fixing the insert plate.

[0042] In this embodiment, the vibrator is a linear resonant motor.

[0043] In some other embodiments, a breathable sponge layer is provided on the inner side of the flexible braking body 1.

[0044] In some other embodiments, the device also includes a remote controller; the remote controller is connected to the vibrator, electric heating wire, infrared ranging sensor, first motor 12, second motor 20 and alarm 25 in the device for convenient control.

[0045] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the technical scope of the present invention. Therefore, any minor modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A lower limb immobilization assist device after femoral artery puncture, characterized in that, include: A flexible braking body (1) is made of flexible material; a plurality of first straps (2) are provided on one side of the flexible braking body (1); the first straps (2) are detachably connected to the other side of the flexible braking body (1) by a first Velcro (3); a plurality of massage protrusions (4) are provided on the inner side of the flexible braking body (1); each massage protrusion (4) is provided with a vibrator for vibrating and massaging the patient's legs; a monitoring unit for monitoring changes in the bending of the patient's legs is provided on the flexible braking body (1); a plurality of ventilation holes (5) are provided on the flexible braking body (1); a first fixing strap (6) for fixing to the hospital bed is symmetrically provided on the outer side of the flexible braking body (1).

2. The lower limb immobilization assist device after femoral artery puncture according to claim 1, characterized in that, The monitoring unit includes an infrared ranging sensor (7); the infrared ranging sensor (7) is detachably connected to the outer surface of the flexible braking body (1) via a second Velcro strap (8).

3. The lower limb immobilization assist device after femoral artery puncture according to claim 1, characterized in that, The flexible braking body (1) is equipped with multiple electric heating wires inside, which are used to heat the patient's legs.

4. The lower limb immobilization assist device after femoral artery puncture according to claim 1, characterized in that, The flexible braking body (1) has a base plate (9) at the bottom; the base plate (9) has multiple limiting mechanisms at the top for limiting the patient's legs.

5. The lower limb immobilization assist device after femoral artery puncture according to claim 4, characterized in that, The limiting mechanism includes an inverted U-shaped fixing frame (10); the flexible braking body (1) is located inside the fixing frame (10); a bidirectional lead screw (11) is rotatably connected to the upper part of the fixing frame (10); a first motor (12) is provided on one side of the fixing frame (10); one end of the bidirectional lead screw (11) is connected to the output shaft of the first motor (12); two drive blocks (13) are symmetrically threaded on the bidirectional lead screw (11); a drive rod (14) is provided at the bottom of the drive block (13); an arc-shaped clamping plate (15) is provided on the side of the drive rod (14) near the flexible braking body (1).

6. A lower limb immobilization assist device after femoral artery puncture according to claim 5, characterized in that, The arc-shaped clamp (15) has a buffer protective pad (16) on the side near the flexible braking body (1).

7. A lower limb immobilization assist device after femoral artery puncture according to claim 4, characterized in that, The base plate (9) is symmetrically provided with second fixing straps (17) on the left and right sides for fixing to the hospital bed.

8. A lower limb immobilization assist device after femoral artery puncture according to claim 4, characterized in that, The rear side of the base plate (9) is provided with a passive ankle pump motion mechanism for driving the patient's foot movement.

9. A lower limb immobilization assistive device after femoral artery puncture according to claim 8, characterized in that, The passive ankle pump motion mechanism includes a fixed plate (18), two support plates (19), a second motor (20), a rotating shaft (21), and a pedal (22); the fixed plate (18) is detachably connected to the rear side of the base plate (9); the two support plates (19) are symmetrically arranged on the top left and right sides of the fixed plate (18); the rotating shaft (21) is rotatably connected between the two support plates (19); the second motor (20) is arranged on one of the support plates (19); the output shaft of the second motor (20) is connected to one end of the rotating shaft (21); the pedal (22) is fixedly connected to the rotating shaft (21); the bottom of the pedal (22) near the flexible braking body (1) is provided with a support plate (23).

10. A lower limb immobilization assist device after femoral artery puncture according to claim 9, characterized in that, The pedal (22) is provided with a second strap (24) for restraining the patient's foot on the side near the flexible braking body (1).

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