Limb fixing device for anesthesia department
The anesthesiology limb fixation device, which combines a hydraulic lifting seat and an electric telescopic rod with a clamping mechanism, solves the problems of unstable fixation and cumbersome operation in traditional methods. It achieves flexible and precise limb fixation and simple operation, adapting to the needs of different surgical positions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-21
- Publication Date
- 2026-03-10
AI Technical Summary
Existing limb fixation methods are unstable in supine or prone positions during surgery, making it difficult to adapt to individual differences. They are cumbersome to operate and lack coordinated adjustment. Traditional tools are prone to loosening or causing excessive local pressure, making it difficult to achieve rapid and accurate positioning.
It adopts a hydraulic lifting seat, support plate, detachable chest pad, knee joint limiting component, ankle joint limiting component and arm limiting component, combined with electric telescopic rod and clamping mechanism to achieve multi-dimensional adjustment and automatic fixation. It achieves fast and precise limb fixation through motor drive and gear rack structure.
It achieves flexible and precise adaptability, automatic and reliable fixation, simple operation, and a balance between comfort and protection. It can quickly switch configurations according to the surgical position, avoiding the limitations of traditional methods.
Smart Images
Figure CN121622401A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of medical devices, in particular to a limb fixing device for anesthesiology department. BACKGROUND
[0002] During clinical operation, especially when the patient is in a general anesthetic state, the limbs will completely lose the ability of autonomous activity and adjustment. In order to ensure the smooth operation and protect the safety of the patient, the limbs of the patient must be properly and stably fixed.
[0003] At present, for patients in supine or prone position operation, the common limb fixing method often depends on traditional restraint belts, sandbags, soft pads and simple fixing brackets and other tools. These methods have many limitations: first, the fixing effect is often not stable, the restraint belt is easy to loosen or cause excessive local pressure, and it is difficult to fine-tune according to individual differences of patients (such as leg length, joint thickness); secondly, in prone position operation, the chest, knee, ankle and arm of the patient need to be supported and limited at the same time, the traditional method is complicated to operate, and there is lack of coordinated and unified adjustment mechanism between the parts, so it is difficult to achieve rapid and accurate body position placement. SUMMARY
[0004] The summary part of the present application is used to introduce the concept in a brief form, which will be described in detail in the specific embodiment part. The summary part of the present application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.
[0005] In order to solve the technical problems mentioned in the background part, some embodiments of the present application provide a limb fixing device for anesthesiology department, which comprises an oil pressure lifting seat, a support plate fixed at the output end of the oil pressure lifting seat, a chest pad detachably fixed at the upper end of the support plate, two groups of knee joint limiting components located on one side of the chest pad and arranged on the support plate, and an ankle joint limiting component located on one side of the knee joint limiting component and arranged on the support plate. The ankle joint limiting component comprises a foot supporting plate, a first electric telescopic rod located at the lower end of the support plate and fixed at both ends of the foot supporting plate and the support plate, a gap slot arranged on the foot supporting plate, a lifting frame located below the foot supporting plate, a second electric telescopic rod fixed at both ends of the foot supporting plate and the lifting frame, two moving mechanisms symmetrically and fixedly arranged at the upper end of the lifting frame, an arc-shaped block fixedly arranged on the moving mechanism, a first clamping mechanism arranged on the arc-shaped block, and a first plate slot arranged at the upper end of the foot supporting plate.
[0006] Specifically, the moving mechanism comprises two first sliding rails fixed on the lifting frame, two first sliding blocks respectively slidingly arranged on the two first sliding rails, a plurality of first insertion holes equidistantly arranged on the first sliding rails, two first insertion rods respectively penetrating through and slidingly arranged on the two first sliding blocks, a second sliding rail having two ends respectively fixed on upper ends of the two first insertion rods, a first spring sleeved on the first insertion rod and having two ends respectively fixed on the second sliding rail and the first sliding block, a second sliding block slidingly arranged on the second sliding rail, a plurality of second insertion holes equidistantly arranged on the second sliding rail, a second insertion rod penetrating through and slidingly arranged on the second sliding block, and a second spring sleeved on the second insertion rod and having two ends respectively fixed on the second sliding block and the arc-shaped block; the arc-shaped block is fixedly connected with an upper end of the second insertion rod.
[0007] Specifically, the knee joint limiting assembly comprises a shaft body fixed on the support plate, a third sliding rail having one end tightly rotatably arranged on the shaft body, a third sliding block tightly slidingly arranged on the third sliding rail, a disc fixed on an upper end of the third sliding block, a groove arranged on an upper end of the disc, and a second plate slot arranged on an upper end of the support plate.
[0008] Specifically, the knee joint limiting assembly further comprises a moving plate slidingly arranged on the chest pad away from one end of the knee joint limiting assembly, a head pad fixed on the moving plate, an arm limiting assembly arranged on the support plate on both sides of the head pad, and a cavity arranged on the chest pad close to one side of the head pad.
[0009] Specifically, the arm limiting assembly comprises a driving shaft rotatably arranged at one end of the support plate, a first driven shaft and a second driven shaft coaxially arranged at the other end of the support plate, a first pulley and a second pulley fixedly sleeved on both ends of the driving shaft, a third pulley and a fourth pulley fixedly sleeved on the first driven shaft and the second driven shaft respectively, a first plate-type conveying belt wound on the first pulley and the third pulley, a second plate-type conveying belt wound on the second pulley and the fourth pulley, and two limiting plates fixed on the first plate-type conveying belt and the second plate-type conveying belt respectively.
[0010] Specifically, the arm limiting assembly further comprises a plurality of second clamping mechanisms equidistantly arranged on the limiting plates, a first gear fixedly sleeved on the driving shaft, a motor fixed on the support plate, and a second gear fixedly sleeved on an output shaft of the motor and engaged with the first gear.
[0011] Specifically, the first clamping mechanism and the second clamping mechanism are structurally identical, and the first clamping mechanism comprises a rack slidingly arranged on the arc-shaped block, an arc-shaped soft strip fixedly arranged at the upper end of the rack, third and fourth driven shafts rotatably arranged on both sides of the rack and the arc-shaped block, a first toothed plate fixedly sleeved on the third driven shaft and in meshing arrangement with the rack, a second toothed plate fixedly sleeved on the fourth driven shaft and in meshing arrangement with the rack, a first clamping rod having one end fixedly arranged on the first toothed plate, a second clamping rod having one end fixedly arranged on the second toothed plate, a first torsion spring sleeved on the third driven shaft and having both ends fixedly arranged on the first toothed plate and the arc-shaped block, and a second torsion spring sleeved on the fourth driven shaft and having both ends fixedly arranged on the second toothed plate and the arc-shaped block.
[0012] Specifically, the first clamping mechanism further comprises a fifth driven shaft rotatably arranged on the other end of the first clamping rod, a sixth driven shaft rotatably arranged on the other end of the second clamping rod, a third clamping rod having one end fixedly sleeved on the fifth driven shaft, a fourth clamping rod having one end fixedly sleeved on the sixth driven shaft, a third torsion spring having both ends fixedly arranged on the first clamping rod and the fifth driven shaft, a fourth torsion spring having both ends fixedly arranged on the second clamping rod and the sixth driven shaft, a first elastic belt having both ends fixedly arranged on the first toothed plate and the third clamping rod, and a second elastic belt having both ends fixedly arranged on the second toothed plate and the fourth clamping rod.
[0013] The present application has the following advantages: Flexible and accurate adjustment, strong adaptability: through the cooperation of the oil pressure lifting seat, the first electric telescopic rod, the moving mechanism, and the third sliding rail and the third sliding block of the knee joint limiting assembly, the height of the supporting plate, the front and rear distance of the foot supporting plate, the horizontal position of the ankle joint, and the position of the knee support can be flexibly adjusted and finely adjusted in multiple dimensions and a large range, so as to accurately adapt to patients of different heights, leg lengths, and body types.
[0014] Fixed automatically and reliably, easy to operate: the first clamping mechanism and the second clamping mechanism are designed ingeniously, when the patient's limbs are placed on the arc-shaped block or the limiting plate, the self-gravity of the patient's limbs presses down to trigger the movement of the rack, thereby driving the first toothed plate, the second toothed plate, the first clamping rod, the second clamping rod, the third clamping rod, the fourth clamping rod, and the first and second elastic belts to automatically complete the wrapping type clamping and fixing of the ankle joint or the arm. At the same time, the pressing force makes the first and second insertion rods in the moving mechanism automatically inserted into the first and second insertion holes, and the position is locked instantaneously. This process does not require additional manual locking by medical staff, realizes "placement and fixation", greatly simplifies the operation process, and improves the fixing efficiency and reliability.
[0015] Comfort and protection: the first clamping mechanism adopts the combination of arc-shaped soft strips, rotatable first clamping rods, second clamping rods, third clamping rods, fourth clamping rods, and first and second elastic belts, which increases the contact area with the patient's skin, and the pressure is evenly distributed, avoiding local pressure injuries or discomfort caused by traditional hard clamps or restraint belts. The design of the recessed disc, head pad and chest pad also provides good support and cushioning.
[0016] Quick switching configuration according to different needs of supine or prone position surgery, providing limb fixation and support for patients, effectively preventing slipping during surgery.
[0017] Optimized spatial layout: the arm limiting assembly is designed with first and second plate-type conveyor belts, which can be completely stored under the support plate when not in use, avoiding interference with patient transfer, anesthesia operation or other equipment placement. BRIEF DESCRIPTION OF DRAWINGS
[0018] The drawings constituting a part of this application are used to provide a further understanding of the application, so that other features, objects and advantages of the application become more apparent. The illustrative embodiment drawings of the application and their descriptions are used to explain the application, and do not constitute an undue limitation on the application.
[0019] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic, and the elements and elements are not necessarily drawn to scale.
[0020] In the drawings: Figure 1 is a structural schematic diagram of the present application; Figure 2 is a side schematic diagram of the present application; Figure 3 is Figure 2 is a sectional view of A-A line in Figure 4 is Figure 2 is a structural sectional view of B-B line in Figure 5 is Figure 3 is a partial structural sectional view of C-C line in Figure 6 is Figure 3 is a partial structural sectional view of D-D line in Figure 7 is Figure 6 is an enlarged view of A in
[0021] The reference signs are explained as follows: 1, oil pressure lifting seat; 2, support plate; 3, chest pad; 4, knee joint limiting assembly; 41, shaft body; 42, third sliding rail; 43, third sliding block; 44, disc; 45, groove; 46, second plate slot; 5, ankle joint limiting assembly; 51, foot support plate; 52, first electric telescopic rod; 53, accommodation slot; 54, lifting frame; 55, second electric telescopic rod; 56, moving mechanism; 561, first sliding rail; 562, first sliding block; 563, first jack; 564, first insertion rod; 565, second sliding rail; 566, first spring; 567, second sliding block; 568, second jack; 569, second insertion rod; 5610, second spring; 57, arc-shaped block; 58, first clamping mechanism; 581, gear rack; 582, arc-shaped soft strip; 583, third driven shaft; 584, fourth driven shaft; 585, first toothed plate; 586, second toothed plate; 587, first clamping rod; 588, second clamping rod; 589, first torsional spring; 5810, second elastic belt; 5820, fifth driven shaft; 5830, sixth driven shaft; 5840, third clamping rod; 5850, fourth clamping rod; 5860, third torsional spring; 5870, fourth torsional spring; 5880, first elastic belt; 59, first plate slot; 6, moving plate; 7, head pad; 8, arm limiting assembly; 81, driving shaft; 82, first driven shaft; 83, second driven shaft; 84, first pulley; 85, second pulley; 86, third pulley; 87, fourth pulley; 88, first plate conveyor belt; 89, second plate conveyor belt; 810, limiting plate; 820, second clamping mechanism; 830, first gear; 840, motor; 850, second gear; 9, cavity. DETAILED DESCRIPTION
[0022] Embodiments of the present disclosure will be described in more detail with reference to the drawings. Although certain embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly and completely understood. It should be understood that the drawings of the present disclosure are for exemplary purposes only and are not intended to limit the scope of protection of the present disclosure.
[0023] It should also be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings. The embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.
[0024] It should be noted that the concepts of "first", "second" and the like mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.
[0025] It should be noted that the modification of "one", "a plurality of" mentioned in the present disclosure is illustrative but not restrictive, and those skilled in the art should understand that unless the context clearly indicates otherwise, it should be understood as "one or more".
[0026] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.
[0027] Referring to Figures 1-7 As shown in the figure, the limb fixing device for anesthesiology department of the present application comprises an oil pressure lifting seat 1, a support plate 2 fixedly arranged at the output end of the oil pressure lifting seat 1, a chest pad 3 detachably fixedly arranged at the upper end of the support plate 2, two sets of knee joint limiting assemblies 4 arranged at one side of the chest pad 3 and on the support plate 2, and an ankle joint limiting assembly 5 arranged at one side of the knee joint limiting assembly 4 and on the support plate 2; the oil pressure lifting seat 1 is a prior art which will not be described here; The ankle joint limiting assembly 5 comprises a foot supporting plate 51, a first electric telescopic rod 52 arranged at the lower end of the support plate 2 and fixedly arranged at both ends of the foot supporting plate 51 and the support plate 2, a gap 53 arranged on the foot supporting plate 51, a lifting frame 54 arranged below the foot supporting plate 51, a second electric telescopic rod 55 fixedly arranged at both ends of the foot supporting plate 51 and the lifting frame 54, two moving mechanisms 56 symmetrically and fixedly arranged at the upper end of the lifting frame 54, an arc-shaped block 57 fixedly arranged on the moving mechanism 56, a first clamping mechanism 58 arranged on the arc-shaped block 57, and a first placing groove 59 arranged at the upper end of the foot supporting plate 51; the first electric telescopic rod 52 and the second electric telescopic rod 55 are commercially available; In clinical practice, after the patient enters the operating room, the patient in a general anesthetic state loses the self-adjusting ability of the limbs, and needs to be safely and effectively protected and fixed by medical staff, otherwise, if the patient's limbs produce side slip phenomenon during the operation, it will affect the smooth progress of the operation treatment. When the patient is in a supine position for operation, first, the cover plate on the first placing groove 59 is lifted, the lifting frame 54 is driven to rise by the second electric telescopic rod 55, the two moving mechanisms 56 and the arc-shaped block 57 and the first clamping mechanism 58 thereon on the lifting frame 54 are raised together, the foot supporting plate 51 is driven to approach or move away from the support plate 2 by the first electric telescopic rod 52, and the length of the patient's leg is adjusted, the patient's ankle joint is fixed by the first clamping mechanism 58, the position of the first clamping mechanism 58 is fine-tuned by the moving mechanism 56, and the first clamping mechanism 58 is set by the first clamping mechanism 58, so that when the patient's ankle joint is placed thereon, the fixing can be completed automatically. At the same time, the downward pressure of the leg on the first clamping mechanism 58 makes the moving mechanism 56 automatically fix the position of the first clamping mechanism 58, thereby completing the fixation of the patient's leg; When the patient is in a prone position surgery, repeat the above work on the patient's leg fixation, that is, through the first clamping mechanism 58 of the patient's ankle joint clamping and fixing, enabling two groups of knee joint limiting components 4, the patient's two knees are placed on the two groups of knee joint limiting components 4, and the two knees are supported and limited by the two groups of knee joint limiting components 4, and the chest pad 3 is installed on the support plate 2, and the chest pad 3 supports the patient's chest.
[0028] Specifically, the moving mechanism 56 includes two first sliding rails 561 fixedly arranged on the lifting frame 54, two first sliding blocks 562 respectively slidably arranged on the two first sliding rails 561, a plurality of first insertion holes 563 equidistantly arranged on the first sliding rail 561, two first insertion rods 564 respectively penetrating and slidably arranged on the two first sliding blocks 562, a second sliding rail 565 having two ends respectively fixedly arranged at upper ends of the two first insertion rods 564, a first spring 566 sleeved on the first insertion rod 564 and having two ends respectively fixedly arranged on the second sliding rail 565 and the first sliding block 562, a second sliding block 567 slidably arranged on the second sliding rail 565, a plurality of second insertion holes 568 equidistantly arranged on the second sliding rail 565, a second insertion rod 569 penetrating and slidably arranged on the second sliding block 567, and a second spring 5610 sleeved on the second insertion rod 569 and having two ends respectively fixedly arranged on the second sliding block 567 and the arc-shaped block 57; the arc-shaped block 57 is fixedly connected with an upper end of the second insertion rod 569; according to the position of the patient's ankle joint, the two first sliding blocks 562, the second sliding rail 565 and the second sliding block 567 are moved, so that the horizontal position of the first clamping mechanism 58 is moved; when the patient's leg exerts a downward pressure on the arc-shaped block 57, the second insertion rod 569 is inserted into the second insertion hole 568, the second spring 5610 is compressed, the second sliding block 567 and the second sliding rail 565 are fixed, the first insertion rod 564 is inserted into the first insertion hole 563, the first spring 566 is compressed, the first sliding block 562 and the first sliding block 562 are fixed, and finally the position of the arc-shaped block 57 and the first clamping mechanism 58 thereon is automatically fixed; when the patient's leg is removed from the arc-shaped block 57, the first insertion rod 564 and the second insertion rod 569 are reset by the first spring 566 and the second spring 5610, so that the first sliding block 562 can continue to move on the first sliding rail 561, and the second sliding block 567 can continue to move on the second sliding rail 565.
[0029] Specifically, the knee joint limiting assembly 4 comprises a shaft body 41 fixed on the support plate 2, a third sliding rail 42 rotatably arranged on the shaft body 41, a third sliding block 43 tightly fitted and slidably arranged on the third sliding rail 42, a disc 44 fixed on the upper end of the third sliding block 43, a groove 45 arranged on the upper end of the disc 44, a second plate groove 46 arranged on the upper end of the support plate 2 and located at the groove 45; when the patient is in a prone position for surgery, the cover plate on the second plate groove 46 is removed, the disc 44 is installed on the third sliding block 43, the third sliding rail 42 is rotated, and the third sliding block 43 moves on the third sliding rail 42, so that the position of the disc 44 is finally adjusted, the knee of the patient corresponds to the groove 45 of the disc 44, and the knee of the patient is supported and limited.
[0030] Specifically, the knee joint limiting assembly 4 comprises a shaft body 41 fixed on the support plate 2, a third sliding rail 42 rotatably arranged on the shaft body 41, a third sliding block 43 tightly fitted and slidably arranged on the third sliding rail 42, a disc 44 fixed on the upper end of the third sliding block 43, a groove 45 arranged on the upper end of the disc 44, a second plate groove 46 arranged on the upper end of the support plate 2 and located at the groove 45; when the patient is in a prone position for surgery, the cover plate on the second plate groove 46 is removed, the disc 44 is installed on the third sliding block 43, the third sliding rail 42 is rotated, and the third sliding block 43 moves on the third sliding rail 42, so that the position of the disc 44 is finally adjusted, the knee of the patient corresponds to the groove 45 of the disc 44, and the knee of the patient is supported and limited.
[0031] Specifically, the arm limiting assembly 8 comprises a driving shaft 81 rotatably arranged at one end of the support plate 2, a first driven shaft 82 and a second driven shaft 83 coaxially arranged at the other end of the support plate 2, a first pulley 84 and a second pulley 85 fixedly sleeved on both ends of the driving shaft 81, a third pulley 86 and a fourth pulley 87 fixedly sleeved on the first driven shaft 82 and the second driven shaft 83 respectively, a first plate conveyor belt 88 wound around the first pulley 84 and the third pulley 86, a second plate conveyor belt 89 wound around the second pulley 85 and the fourth pulley 87, and two limiting plates 810 fixedly arranged on the first plate conveyor belt 88 and the second plate conveyor belt 89 respectively; the first plate conveyor belt 88 and the second plate conveyor belt 89 are commercially available; the arm limiting assembly 8 further comprises a plurality of second clamping mechanisms 820 equidistantly spaced apart and arranged on the limiting plates 810, a first gear 830 fixedly sleeved on the driving shaft 81, a motor 840 fixedly arranged on the support plate 2, and a second gear 850 fixedly sleeved on the output shaft of the motor 840 and engaged with the first gear 830; the motor 840 is commercially available; When the patient's arms need to be fixed and positioned, first, two limiting plates 810 are located below the support plate 2, the motor 840 is started, the second gear 850 is rotated, the first gear 830 is rotated, the driving shaft 81 is rotated, the first and second belt pulleys are rotated together, the first and second plate conveyors 88 and 89 are operated, the first and second driven shafts 82 and 83 and the third and fourth belt pulleys 86 and 87 are adapted to rotate, and the two limiting plates 810 on them move, and finally move from below the support plate 2 to above it, and the positions of the two limiting plates 810 are adjusted as needed. The motor 840 is a self-locking motor 840, and after the motor 840 stops, the positions of the two limiting plates 810 are automatically fixed, the patient's two arms are placed on them respectively, the patient's arms are supported, and the patient's arms are positioned by the second clamping mechanism 820; when the patient's arms do not need to be supported and positioned, the two limiting plates 810 are located below the support plate 2, which avoids obstruction.
[0032] Specifically, the first clamping mechanism 58 and the second clamping mechanism 820 are the same in structure, the first clamping mechanism 58 comprises a rack 581 slidingly arranged on the arc block 57, an arc soft strip 582 fixedly arranged at the upper end of the rack 581, third and fourth driven shafts 583 and 584 rotatably arranged on both sides of the rack 581 and rotatably arranged on the arc block 57, a first tooth plate 585 fixedly sleeved on the third driven shaft 583 and in meshing arrangement with the rack 581, a second tooth plate 586 fixedly sleeved on the fourth driven shaft 584 and in meshing arrangement with the rack 581, a first clamping rod 587 fixedly arranged at one end on the first tooth plate 585, a second clamping rod 588 fixedly arranged at one end on the second tooth plate 586, a first torsional spring 589 sleeved on the third driven shaft 583 and fixedly arranged at both ends on the first tooth plate 585 and the arc block 57, and a second torsional spring sleeved on the fourth driven shaft 584 and fixedly arranged at both ends on the second tooth plate 586 and the arc block 57. The first clamping mechanism 58 further comprises a fifth driven shaft 5820 rotatably arranged at the other end of the first clamping rod 587, a sixth driven shaft 5830 rotatably arranged at the other end of the second clamping rod 588, a third clamping rod 5840 fixedly sleeved at one end on the fifth driven shaft 5820, a fourth clamping rod 5850 fixedly sleeved at one end on the sixth driven shaft 5830, a third torsional spring 5860 fixedly arranged at both ends on the first clamping rod 587 and the fifth driven shaft 5820, a fourth torsional spring 5870 fixedly arranged at both ends on the second clamping rod 588 and the sixth driven shaft 5830, a first elastic band 5880 fixedly arranged at both ends on the first tooth plate 585 and the third clamping rod 5840, and a second elastic band 5810 fixedly arranged at both ends on the second tooth plate 586 and the fourth clamping rod 5850. When the rack 581 is subjected to downward pressure, the rack 581 moves downward, the first toothed plate 585 and the second toothed plate 586 rotate relative to each other, the third driven shaft 583 and the fourth driven shaft 584 rotate relative to each other, thereby rotating the first clamping rod 587 and the second clamping rod 588 towards each other, and the first torsional spring 589 and the second torsional spring are twisted, thereby clamping and fixing the patient's ankle joint through the first clamping rod 587 and the second clamping rod 588, and subsequently resetting the first clamping rod 587 and the second clamping rod 588 through the first torsional spring 589 and the second torsional spring, so that the patient's ankle joint is conveniently and quickly fixed. When the first clamping rod 587 and the second clamping rod 588 clamp the patient, the first elastic band 5880 and the second elastic band 5810 are arranged to fix the position to be clamped of the patient, the third clamping rod 5840 and the fourth clamping rod 5850 are self-adapted to rotate, the third torsional spring 5860 and the fourth torsional spring 5870 are self-adapted to twist, the fifth driven shaft 5820 and the sixth driven shaft 5830 are self-adapted to rotate, and finally the first elastic band 5880 and the second elastic band 5810 fix the patient's ankle joint, increase the contact area of the clamped part, protect the clamped part, improve comfort, and firmly fix the patient's ankle joint, and are suitable for most patients.
[0033] The above description is only some of the preferred embodiments of the present disclosure and a description of the principles of the technology used. Those skilled in the art should understand that the scope of the application involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or equivalent features without departing from the above inventive concept. For example, the above features are replaced with the technical features disclosed in the embodiments of the present disclosure (but not limited to) having similar functions to form a technical solution.
Claims
1. Anesthesiology limb fixing device, comprising an oil pressure lifting seat, a support plate fixedly arranged at the output end of the oil pressure lifting seat, a chest pad detachably fixedly arranged at the upper end of the support plate, two sets of knee joint limiting assemblies arranged at one side of the chest pad and on the support plate, and an ankle joint limiting assembly arranged at one side of the knee joint limiting assemblies and on the support plate, characterized in that: the ankle joint limiting assembly comprises a foot supporting plate, a first electric telescopic rod arranged at the lower end of the support plate and fixedly arranged at both ends of the foot supporting plate and the support plate, a gap arranged on the foot supporting plate, a lifting frame arranged below the foot supporting plate, a second electric telescopic rod fixedly arranged at both ends of the foot supporting plate and the lifting frame, two moving mechanisms symmetrically and fixedly arranged at the upper end of the lifting frame, an arc-shaped block fixedly arranged on the moving mechanism, a first clamping mechanism arranged on the arc-shaped block, and a first placing groove arranged at the upper end of the foot supporting plate.
2. An anaesthesiology limb fixation device according to claim 1, characterized in that: the moving mechanism comprises two first sliding rails fixedly arranged on the lifting frame, two first sliding blocks slidably arranged on the two first sliding rails, a plurality of first insertion holes equidistantly and spacedly arranged on the first sliding rails, two first insertion rods penetratingly and slidably arranged on the two first sliding blocks, a second sliding rail fixedly arranged at both ends of the upper ends of the two first insertion rods, a first spring sleeved on the first insertion rod and fixedly arranged at both ends of the second sliding rail and the first sliding block, a second sliding block slidably arranged on the second sliding rail, a plurality of second insertion holes equidistantly and spacedly arranged on the second sliding rail, a second insertion rod penetratingly and slidably arranged on the second sliding block, and a second spring sleeved on the second insertion rod and fixedly arranged at both ends of the second sliding block and the arc-shaped block; the arc-shaped block is fixedly connected with the upper end of the second insertion rod.
3. The anesthesiology limb fixation device according to claim 1, characterized in that: the knee joint limiting assembly comprises a shaft body fixedly arranged on the support plate, a third sliding rail rotatably and tightly fitted at one end of the shaft body, a third sliding block tightly and slidably arranged on the third sliding rail, a disc fixedly arranged at the upper end of the third sliding block, a groove arranged at the upper end of the disc, and a second placing groove arranged at the upper end of the support plate.
4. The anesthesiology limb fixation device according to claim 1, characterized in that: it further comprises a moving plate slidably arranged on the chest pad away from one end of the knee joint limiting assembly, a head pad fixedly arranged on the moving plate, an arm limiting assembly arranged on the support plate at both sides of the head pad, and a cavity arranged on the chest pad close to one side of the head pad.
5. An anaesthesiology limb fixation device according to claim 4, characterized in that: the arm limiting assembly comprises a driving shaft rotatably arranged at one end of the support plate, a first driven shaft and a second driven shaft coaxially arranged at the other end of the support plate, a first pulley and a second pulley fixedly sleeved at both ends of the driving shaft, a third pulley and a fourth pulley fixedly sleeved on the first driven shaft and the second driven shaft, a first plate-type conveying belt wound on the first pulley and the third pulley, a second plate-type conveying belt wound on the second pulley and the fourth pulley, and two limiting plates fixedly arranged on the first plate-type conveying belt and the second plate-type conveying belt.
6. An anaesthesiology limb fixation device according to claim 5, characterized in that: the arm limiting assembly further comprises a plurality of second clamping mechanisms equidistantly and spacedly arranged on the limiting plates, a first gear fixedly sleeved on the driving shaft, a motor fixedly arranged on the support plate, a second gear fixedly sleeved on the output shaft of the motor and engaged with the first gear.
7. An anaesthesia limb immobilization device according to claim 6, wherein: The first clamping mechanism and the second clamping mechanism are structurally identical, and the first clamping mechanism comprises a rack slidingly arranged on the arc-shaped block, an arc-shaped soft strip fixedly arranged at the upper end of the rack, third and fourth driven shafts rotatably arranged on the arc-shaped block at both sides of the rack, a first toothed plate fixedly sleeved on the third driven shaft and in meshing arrangement with the rack, a second toothed plate fixedly sleeved on the fourth driven shaft and in meshing arrangement with the rack, a first clamping rod with one end fixedly arranged on the first toothed plate, a second clamping rod with one end fixedly arranged on the second toothed plate, a first torsion spring sleeved on the third driven shaft and with both ends fixedly arranged on the first toothed plate and the arc-shaped block, and a second torsion spring sleeved on the fourth driven shaft and with both ends fixedly arranged on the second toothed plate and the arc-shaped block.
8. An anaesthesiology limb fixation device according to claim 7, characterized in that: The first clamping mechanism further comprises a fifth driven shaft rotatably arranged on the other end of the first clamping rod, a sixth driven shaft rotatably arranged on the other end of the second clamping rod, a third clamping rod with one end fixedly sleeved on the fifth driven shaft, a fourth clamping rod with one end fixedly sleeved on the sixth driven shaft, a third torsion spring with both ends fixedly arranged on the first clamping rod and the fifth driven shaft, a fourth torsion spring with both ends fixedly arranged on the second clamping rod and the sixth driven shaft, a first elastic belt with both ends fixedly arranged on the first toothed plate and the third clamping rod, and a second elastic belt with both ends fixedly arranged on the second toothed plate and the fourth clamping rod.