Fixing device for foot part of patient

By designing a fixing device for the patient's feet, using components such as sliding mechanisms and worm gear structures, the problem of patients being unable to keep their toes together during the whole body bone scan is solved, and the stable fixation of the calf and foot is achieved, and the scanning imaging effect is improved.

CN223220456UActive Publication Date: 2025-08-15BEIJING LUHE HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV
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Patent Information

Application Number
CN202422107390.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-08-15
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

During the whole body bone scan, the patient was unable to keep his toes together for a long time, resulting in poor scanning imaging.

Method used

A fixing device for the patient's foot is designed, including a base, a sliding mechanism, a rotating groove, a worm gear structure and a telescopic strap. Through the cooperation of these components, the fixation of the patient's calf and foot is achieved to ensure that the toes are kept together.

Benefits of technology

Effectively fix the patient's calf and feet to ensure that the tibia and fibula of the calf are clearly displayed during the scan, improving the imaging effect of the scan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixing device for a foot part of a patient, and relates to the technical field of medical instruments, the fixing device comprises a base, a first sliding groove is formed in the base, a first sliding mechanism is arranged in the first sliding groove, the top of the first sliding mechanism is fixedly connected with a placing plate, and the placing plate is arranged on the base. Two corresponding rotating grooves are formed in the placing plate, fourth rotating shafts are rotatably connected to the interiors of the two rotating grooves, two corresponding second worms are fixedly connected to the outer sides of the fourth rotating shafts and located in the two rotating grooves, and third rotating shafts are rotatably connected to the interiors of the rotating grooves; the leg fixing device has the advantages that through mutual cooperation of the rotating groove, the third rotating shaft, the second worm gear, the fourth rotating shaft, the second worm, the foot supporting plate, the telescopic binding band, leg supporting cotton and the stretching band, the shank and the foot of a patient can be fixed, and the tiptoes of the patient can be kept in a closed state.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a fixing device for a patient's foot. Background Art

[0002] When performing a whole-body bone scan on a patient, the scan needs to be performed from the head to the soles of the feet, which takes about 15-20 minutes. The patient needs to keep the toes together when positioning to ensure that the tibia and fibula of the lower leg can be clearly displayed during the scan. However, since the scan starts from the head and the toes are kept together for too long, some patients cannot maintain a good imaging posture when scanning the feet, and the ideal imaging effect cannot be achieved. Therefore, we propose a fixation device for the patient's foot. Utility Model Content

[0003] In view of the deficiencies of the prior art, the present invention provides a fixing device for a patient's foot, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fixing device for a patient's foot, comprising a base, a first slide groove is provided inside the base, a first sliding mechanism is provided inside the first slide groove, a top of the first sliding mechanism is fixedly connected to a placement plate, two corresponding rotating grooves are provided inside the placement plate, a fourth rotating shaft is rotatably connected inside the two rotating grooves, two corresponding second worms are fixedly connected on the outside of the fourth rotating shaft and located inside the two rotating grooves, a third rotating shaft is rotatably connected inside the rotating groove, a second worm gear is fixedly connected on the outside of the third rotating shaft and located inside the rotating groove, the second worm gear and the second worm gear are meshed with each other, one side of the placement plate is rotatably connected to two corresponding foot support plates, and one end of the third rotating shaft extends to the outside of the placement plate and is fixedly connected to the foot support plate.

[0005] Preferably, the first sliding mechanism includes a first threaded rod and a first slider, the first threaded rod is rotatably connected to the inside of the first slide groove, the first slider is slidably connected to the inside of the first slide groove, the first threaded rod passes through the first slider and is threadedly connected to it, and the placement plate is fixedly connected to the top of the first slider, and the placement plate can be driven to move by the sliding mechanism, thereby adjusting the position of the placement plate according to the length of the patient's calf, thereby improving the applicability of the fixation device for the patient's foot.

[0006] Preferably, an internal groove is opened inside the base, and the internal rotation of the internal groove is connected to the first rotating shaft, the outside of the first rotating shaft and the inside of the internal groove are fixedly connected to the first worm gear, the internal rotation of the internal groove is connected to the second rotating shaft, the outside of the second rotating shaft and the inside of the internal groove are fixedly connected to the first worm gear, the first worm gear and the first worm gear are meshed with each other, one end of the first rotating shaft extends to the inside of the first sliding groove and is fixedly connected to the first threaded rod, and the normal operation of the first sliding mechanism can be guaranteed through the mutual cooperation of the internal groove, the first rotating shaft, the first worm gear, the second rotating shaft and the first worm gear.

[0007] Preferably, a second slide groove is provided inside the base, a second threaded rod is rotatably connected inside the second slide groove, a second slider is slidably connected inside the second slide groove, the second threaded rod passes through the second slider and is threadedly connected to it, and a clamping block is fixedly connected to one side of the second slider. Through the mutual cooperation of the second slide groove, the second slider, the second threaded rod and the clamping block, the base can be clamped and fixed to the top of the examination bed, and it is easy to disassemble it, thereby improving the applicability of the fixing device for the patient's foot.

[0008] Preferably, a retractable strap is fixedly connected to the outer side of the foot support plate.

[0009] Preferably, the top of the placement plate is fixedly connected with a leg support cotton, a stretch belt is fixed inside the leg support cotton, and Velcro is provided on the corresponding side of the stretch belt and the leg support cotton.

[0010] Preferably, a plurality of fixing nails are provided inside the leg support cotton, the leg support cotton and the placement plate are fixed by the fixing nails, and the leg support cotton and the stretch belt are fixed by the fixing nails.

[0011] The utility model provides a fixing device for a patient's foot, which has the following beneficial effects:

[0012] 1. The fixing device for the patient's foot can fix the patient's calf and foot through the mutual cooperation of the rotating groove, the third rotating shaft, the second worm gear, the fourth rotating shaft, the second worm, the foot support plate, the retractable strap, the leg support cotton and the stretch belt, so that the patient's toes can be kept together, so that when the patient is scanned, the tibia and fibula of the lower leg can be clearly displayed respectively. By turning the second knob to drive the fourth rotating shaft to rotate, the two corresponding second worm gears are driven to rotate, thereby driving the two second worm gears to rotate accordingly, and then driving the two third rotating shafts to rotate, and then driving the two foot support plates to rotate respectively toward the middle of the placement plate, so that the patient's toes are kept together.

[0013] 2. The fixing device for the patient's foot part adjusts the positions of the placement plate, the foot support plate and the leg support cotton according to the patient's calf length through the mutual cooperation of the first sliding groove, the first threaded rod, the first slider, the placement plate, the internal groove, the first rotating shaft, the first worm gear, the second rotating shaft and the first worm, thereby improving the practicality of the fixing device for the patient's foot part. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the interior of the placement plate of the present invention;

[0016] Figure 3 This is a schematic diagram of the interior of the first sliding mechanism of the present invention.

[0017] In the figure: 1. base; 2. first slide groove; 3. first threaded rod; 4. first slider; 5. placement plate; 6. internal groove; 7. first rotating shaft; 8. first worm gear; 9. second rotating shaft; 10. first worm; 11. second slide groove; 12. second slider; 13. second threaded rod; 14. clamping block; 15. rotating groove; 16. third rotating shaft; 17. second worm gear; 18. fourth rotating shaft; 19. second worm; 20. foot support plate; 21. retractable strap; 22. leg support cotton; 23. stretch strap. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] See also Figures 1 to 3 The utility model provides a technical solution: a fixing device for a patient's foot part, comprising a base 1, a first slide groove 2 is provided inside the base 1, a first sliding mechanism is provided inside the first slide groove 2, a placement plate 5 is fixedly connected to the top of the first sliding mechanism, two corresponding rotating grooves 15 are provided inside the placement plate 5, a fourth rotating shaft 18 is rotatably connected inside the two rotating grooves 15, two corresponding second worm gears 19 are fixedly connected on the outside of the fourth rotating shaft 18 and located inside the two rotating grooves 15, a third rotating shaft 16 is rotatably connected inside the rotating groove 15, a second worm gear 17 is fixedly connected on the outside of the third rotating shaft 16 and located inside the rotating groove 15, the second worm gear 17 and the second worm gear 19 are meshed with each other, one side of the placement plate 5 is rotatably connected to two corresponding foot support plates 20, one end of the third rotating shaft 16 extends to the outside of the placement plate 5 and is fixedly connected to the foot support plate 20;

[0020] The first sliding mechanism includes a first threaded rod 3 and a first slider 4. The first threaded rod 3 is rotatably connected to the inside of the first slide groove 2. The first slider 4 is slidably connected to the inside of the first slide groove 2. The first threaded rod 3 passes through the first slider 4 and is threadedly connected to it. The placement plate 5 is fixedly connected to the top of the first slider 4. The placement plate 5 can be driven to move by the sliding mechanism, so that the position of the placement plate 5 can be adjusted according to the length of the patient's calf, thereby improving the applicability of the fixation device for the patient's foot.

[0021] An internal groove 6 is opened inside the base 1, and the internal rotation of the internal groove 6 is connected to the first rotating shaft 7. The outside of the first rotating shaft 7 and the inside of the internal groove 6 are fixedly connected to the first worm gear 8. The internal rotation of the internal groove 6 is connected to the second rotating shaft 9. The outside of the second rotating shaft 9 and the inside of the internal groove 6 are fixedly connected to the first worm 10. The first worm 10 and the first worm gear 8 are meshed with each other. One end of the first rotating shaft 7 extends to the inside of the first slide groove 2 and is fixedly connected to the first threaded rod 3. Through the mutual cooperation of the internal groove 6, the first rotating shaft 7, the first worm gear 8, the second rotating shaft 9 and the first worm 10, the first worm gear 8 can be ensured. The normal operation of a sliding mechanism, when in use, manually turning the first knob drives the second rotating shaft 9 to rotate, and then drives the first worm 10 to rotate, and then drives the first worm gear 8 to rotate, and then drives the first rotating shaft 7 to rotate, and then drives the first threaded rod 3 to rotate, and then drives the first slider 4 to slide inside the first slide groove 2, and then drives the placement plate 5 to move on the top of the base 1, thereby driving the foot support plate 20 and the leg support cotton 22 to move, and the position of the foot support plate 20 and the leg support cotton 22 can be adjusted according to the patient's calf length, thereby improving the applicability of the fixation device for the patient's foot part;

[0022] The second slider 12 is slidably connected to the second slide groove 11, and the second slider 12 is slidably connected to the second slide groove 11. The second threaded rod 13 passes through the second slider 12 and is threadedly connected to it. One side of the second slider 12 is fixedly connected to a clamping block 14. Through the mutual cooperation of the second slide groove 11, the second slider 12, the second threaded rod 13 and the clamping block 14, the base 1 can be clamped and fixed to the top of the examination bed, and it is convenient to disassemble it, thereby improving the applicability of the fixing device for the patient's foot. When in use, the base 1 is placed on the top of the examination bed, and then the third knob is manually turned to drive the second threaded rod 13 to rotate, and then the second slider 12 is driven to slide in the second slide groove 11, and then the clamping block 14 is driven to move. The examination bed is clamped by the mutual cooperation of the base 1 and the clamping block 14, so that the base 1 is fixed.

[0023] The outer side of the foot support plate 20 is fixedly connected with a retractable strap 21, the top of the placement plate 5 is fixedly connected with a leg support cotton 22, the inside of the leg support cotton 22 is fixed with a stretch belt 23, and the corresponding sides of the stretch belt 23 and the leg support cotton 22 are both provided with Velcro, and the inside of the leg support cotton 22 is provided with multiple fixing nails, the leg support cotton 22 and the placement plate 5 are fixed by the fixing nails, and the leg support cotton 22 and the stretch belt 23 are fixed by the fixing nails.

[0024] In summary, when using the fixing device for the patient's foot, the medical staff places the base 1 on the top of the examination bed, and then manually turns the third knob to drive the second threaded rod 13 to rotate, and then drives the second slider 12 to slide inside the second slide groove 11, and then drives the clamping block 14 to move, and the examination bed is clamped by the mutual cooperation of the base 1 and the clamping block 14, so as to fix the base 1, and then manually turns the first knob to drive the second rotating shaft 9 to rotate, and then drives the first worm 10 to rotate, and then drives the first worm gear 8 to rotate, and then drives the first rotating shaft 7 to rotate, and then drives the first threaded rod 3 to rotate, and then drives the first slider 4 to slide inside the first slide groove 2, and then drives the placement plate 5 to move on the top of the base 1, from By driving the foot support plate 20 and the leg support cotton 22 to move, the positions of the foot support plate 20 and the leg support cotton 22 can be adjusted according to the patient's calf length, and then the patient's calf is placed inside the leg support cotton 22, and then the patient's calf is fixed by two stretch straps 23. At the same time, the patient's foot is placed inside the foot support plate 20, and then the patient's foot is fixed by two telescopic straps 21, and then the second knob is turned to drive the fourth rotating shaft 18 to rotate, thereby driving the two corresponding second worm gears 19 to rotate, thereby driving the two second worm gears 17 to rotate accordingly, and then driving the two third rotating shafts 16 to rotate, and then driving the two foot supports 20 to rotate respectively toward the middle of the placement plate 5, so that the patient's toes remain close together.

[0025] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixation device for a patient's foot, comprising a base (1), characterized in that: A first slide groove (2) is provided inside the base (1), a first sliding mechanism is provided inside the first slide groove (2), a placement plate (5) is fixedly connected to the top of the first sliding mechanism, two corresponding rotating grooves (15) are provided inside the placement plate (5), the two rotating grooves (15) are internally rotatably connected to a fourth rotating shaft (18), two corresponding second worm gears (19) are fixedly connected outside the fourth rotating shaft (18) and located inside the two rotating grooves (15), a third rotating shaft (16) is internally rotatably connected to the rotation groove (15), a second worm gear (17) is fixedly connected outside the third rotating shaft (16) and located inside the rotation groove (15), the second worm gear (17) and the second worm gear (19) are meshed with each other, one side of the placement plate (5) is rotatably connected to two corresponding foot support plates (20), one end of the third rotating shaft (16) extends to the outside of the placement plate (5) and is fixedly connected to the foot support plate (20).

2. A fixation device for a patient's foot according to claim 1, characterized in that: The first sliding mechanism comprises a first threaded rod (3) and a first slider (4); the first threaded rod (3) is rotatably connected to the inside of the first slide groove (2); the first slider (4) is slidably connected to the inside of the first slide groove (2); the first threaded rod (3) passes through the first slider (4) and is threadedly connected to it; and the placement plate (5) is fixedly connected to the top of the first slider (4).

3. The fixation device for a patient's foot according to claim 1, characterized in that: An internal groove (6) is provided inside the base (1), a first rotating shaft (7) is rotatably connected inside the internal groove (6), a first worm gear (8) is fixedly connected outside the first rotating shaft (7) and located inside the internal groove (6), a second rotating shaft (9) is rotatably connected inside the internal groove (6), a first worm gear (10) is fixedly connected outside the second rotating shaft (9) and located inside the internal groove (6), the first worm gear (10) and the first worm gear (8) are meshed with each other, and one end of the first rotating shaft (7) extends to the inside of the first sliding groove (2) and is fixedly connected to the first threaded rod (3).

4. The fixation device for a patient's foot according to claim 1, characterized in that: A second slide groove (11) is provided inside the base (1), a second threaded rod (13) is rotatably connected inside the second slide groove (11), a second slider (12) is slidably connected inside the second slide groove (11), the second threaded rod (13) passes through the second slider (12) and is threadedly connected thereto, and a clamping block (14) is fixedly connected to one side of the second slider (12).

5. The fixation device for a patient's foot according to claim 1, characterized in that: A retractable strap (21) is fixedly connected to the outer side of the foot support plate (20).

6. The fixation device for a patient's foot according to claim 1, characterized in that: The top of the placement plate (5) is fixedly connected to a leg support cotton (22), a stretching belt (23) is fixed inside the leg support cotton (22), and a Velcro is provided on the side corresponding to the leg support cotton (22).

7. The fixation device for a patient's foot according to claim 6, characterized in that: A plurality of fixing nails are provided inside the leg support cotton (22), and the leg support cotton (22) and the placement plate (5) are fixed by the fixing nails, and the leg support cotton (22) and the stretching belt (23) are fixed by the fixing nails.