Surgical foot towel fixation to prevent pressure sores
By introducing a flexible pressure-reducing layer and a multi-dimensional adjustment mechanism into the footrest device, the problems of insufficient fit and adjustability of existing devices are solved, achieving individualized support and stability for the feet, reducing the risk of pressure sores, and improving patient comfort and rehabilitation outcomes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAN CHILDRENS HOSPITAL
- Filing Date
- 2025-06-03
- Publication Date
- 2026-06-19
AI Technical Summary
Existing footrest devices are inadequate in terms of foot fit and cushioning protection. They lack wrapping design or have overly rigid support structures, and cannot be adjusted in multiple dimensions according to the actual angle of the patient's foot. This results in a single fixation effect, which cannot adapt to the foot posture needs of different patients and increases the risk of pressure sores.
A surgical footstool designed to prevent pressure sores employs a flexible pressure-reducing layer and a foot-wrapping structure, combined with a multi-dimensional adjustment mechanism for toe-down pressure, inversion/exversion, and lateral position. Dynamic support and adjustment are achieved through an air pump and motor drive, while a silicone pad provides flexible cushioning. It also features foot angle adjustment to meet individualized care needs.
It improves the fit and stability of the device to the foot, reduces the risk of pressure ulcers, meets the needs of different patients with varying foot postures, enhances fixation and comfort, and significantly reduces the probability of intraoperative and postoperative pressure ulcers.
Smart Images

Figure CN224370179U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical devices, and in particular to a surgical footrest for preventing pressure sores. Background Technology
[0002] In medical environments such as rehabilitation care and intensive care, where patients need to remain in bed for extended periods or maintain specific positions, the feet often develop complications such as pressure sores and foot drop due to continuous pressure or poor posture. Foot support and stability not only affect patient comfort but also directly impact postoperative recovery and the rehabilitation process. Clinically, foot supports are commonly used to achieve basic foot immobilization and prevent pressure sores.
[0003] However, there are some problems with the existing technology:
[0004] First, existing devices are inadequate in terms of foot fit and cushioning protection, lacking wrapping design or having overly rigid support structures, and cannot effectively fix the foot and prevent pressure sores during or after surgery.
[0005] Secondly, most existing foot support devices are static structures that cannot be adjusted in multiple dimensions according to the actual angle of the patient's foot. In particular, they lack flexible control in terms of toe pressing, inversion / exversion, and lateral position, resulting in a single fixation effect that cannot meet the foot posture needs of different patients.
[0006] Therefore, there is an urgent need to design a surgical footrest that can solve the above technical problems and prevent pressure sores. Utility Model Content
[0007] In view of the problems mentioned in the background art, the purpose of this utility model is to provide a surgical footrest to fix and prevent pressure sores, so as to solve the problems mentioned in the background art.
[0008] To achieve the above objectives, this utility model mainly provides the following technical solutions:
[0009] A surgical footrest for pressure ulcer prevention includes an ankle support, a foot support, a support bracket, a movable base, and a fixed base, and further includes:
[0010] Foot angle adjustment mechanism; wherein:
[0011] The foot angle adjustment mechanism includes a toe-pressing adjustment component fixedly installed between the foot support and the support member, an inversion / outversion adjustment component fixedly installed between the ankle support and the movable base, and a lateral translation adjustment component fixedly installed between the movable base and the fixed base.
[0012] Furthermore, the toe-pressing adjustment component includes an air pump groove a through which the upper end of the front wall of the support member is opened, an air pump a is provided in the air pump groove a, a telescopic rod is provided at the outer end of the air pump a, and the other end of the telescopic rod is fixedly connected to the upper end of the rear wall of the foot support member.
[0013] The upper end of the ankle support and the lower end of the foot support are connected by a hinge.
[0014] Furthermore, the inversion / outversion adjustment component includes a toothed groove extending through the lower end of the ankle support and a rotating groove on the upper wall of the movable base. A motor groove is provided at the rear end of the rotating groove, and a motor is fixedly installed in the motor groove. A toothed rod is provided at the front end of the motor. The toothed rod extends into the toothed groove and meshes with it, and its other end is movably connected to the inner wall of the front of the rotating groove.
[0015] Furthermore, the lateral translation adjustment component includes limiting grooves that are respectively opened laterally through the front and rear ends of the lower part of the movable base, and lateral rollers are provided at the four corners of the bottom wall of the movable base.
[0016] The upper surface of the fixed base is longitudinally provided with a transverse sliding groove. The left and right inner sidewalls of the transverse sliding groove are provided with limiting rods at the front and rear ends corresponding to the limiting groove positions. Air pumps b are respectively provided in the middle of the left and right inner sidewalls of the transverse sliding groove. A fixing rod is provided on the other side of the air pumps b. The other end of the fixing rod is fixedly connected to the outer wall of the movable base.
[0017] Furthermore, silicone pads are movably attached to the inner wall of the ankle support and the front end of the foot support, and adhesive elements are provided on the adhesive surfaces of the silicone pads and the ankle and foot supports.
[0018] Furthermore, the mobile base has a control compartment at its rear end, which contains a battery and a control chip.
[0019] Furthermore, the ankle support and foot support are made of materials that are flexible, cushioning, and skin-friendly;
[0020] The support, movable base, and fixed base are made of high-strength, corrosion-resistant materials.
[0021] Compared with the prior art, the beneficial effects of this utility model are mainly reflected in:
[0022] Firstly, compared to existing devices, these are insufficient in terms of foot fit and cushioning protection, lacking a wrapping design or having an overly rigid support structure, thus failing to effectively fix the foot and prevent pressure sores. To solve this problem, this utility model's surgical footslip fixation and pressure sore prevention device adopts a flexible pressure-reducing layer and a foot wrapping structure to achieve all-round support and stability for the foot, effectively improving the fit between the device and the foot, reducing local pressure, and lowering the risk of pressure sores during and after surgery.
[0023] Secondly, compared to existing static devices, which cannot be adjusted in multiple dimensions according to the actual angle of the patient's foot, the fixation effect is limited. To solve this problem, this utility model of a surgical foot support for pressure ulcer prevention adopts a foot angle adjustment mechanism, which can achieve fine-tuning control of the toe-pressing angle, inversion / exversion posture, and lateral position, effectively meeting the needs of different patients' body position changes or foot posture adjustments, and improving the adaptability and individualized care effect of foot fixation.
[0024] The above description is only an overview of the technical solution of this utility model. In order to clearly understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. Attached Figure Description
[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0026] Figure 1 This utility model relates to a three-dimensional surgical footrest for fixing and preventing pressure sores. Figure 1 ;
[0027] Figure 2 This is an exploded view of a surgical footrest for preventing pressure sores according to this utility model;
[0028] Figure 3 This utility model relates to a three-dimensional surgical footrest for fixing and preventing pressure sores. Figure 2 (Internal front view);
[0029] Figure 4 This utility model relates to a three-dimensional surgical footrest for fixing and preventing pressure sores. Figure 3 (Internal rear view);
[0030] Explanation of reference numerals in the attached figures:
[0031] 1. Ankle support; 2. Foot support; 3. Support backrest; 4. Movable base; 5. Fixed base; 6. Foot angle adjustment mechanism;
[0032] 11. Silicone pad; 12. Adhesive component;
[0033] 41. Control compartment; 42. Battery; 43. Control chip;
[0034] 61. Toe-down adjustment component; 62. Inward / outward tilt adjustment component; 63. Lateral shift adjustment component;
[0035] 611. Air pump slot a; 612. Air pump a; 613. Telescopic rod; 614. Hinge;
[0036] 621. Gear groove; 622. Rotary groove; 623. Motor groove; 624. Motor; 625. Gear rack;
[0037] 631. Limiting groove; 632. Lateral roller; 633. Lateral movement groove; 634. Limiting rod; 635. Air pump b; 636. Fixing rod; Detailed Implementation
[0038] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.
[0039] like Figure 1-4 As shown, this utility model discloses a surgical foot support for preventing pressure sores, comprising an ankle support 1, a foot support 2, a support backrest 3, a movable base 4, and a fixed base 5. Its characteristic is that it further includes:
[0040] Foot angle adjustment mechanism 6; wherein:
[0041] The foot angle adjustment mechanism 6 includes a toe-pressing adjustment component 61 fixedly installed between the foot support 2 and the support 3, an inversion / exversion adjustment component 62 fixedly installed between the ankle support 1 and the movable base 4, and a lateral translation adjustment component 63 fixedly installed between the movable base 4 and the fixed base 5. The foot angle adjustment mechanism 6 is used to realize multi-dimensional control of foot posture, including flexion and extension in the vertical direction, rotation in the horizontal plane, and overall lateral displacement, to meet the clinical positioning needs of different patients, avoid the risk of pressure sores and blood circulation disorders caused by long-term fixation, and effectively improve the comfort of foot fixation.
[0042] like Figure 2 , 3 As shown, in this embodiment, the toe-pressing adjustment component 61 includes an air pump groove a611 that passes through the upper end of the front wall of the support member 3. The air pump groove a611 facilitates the stable embedding of the air pump a612 and prevents shaking during operation. The air pump a612 is installed in the air pump groove a611. The air pump a612 can be quickly inflated or deflated as needed to achieve dynamic support adjustment. The outer end of the air pump a612 is provided with a telescopic rod 613. The other end of the telescopic rod 613 is fixedly connected to the upper end of the rear wall of the foot support member 2. The telescopic rod 613 can maintain the current foot angle without change after the air pump stops running, so as to ensure that the foot support member 2 can achieve precise toe-pressing control.
[0043] The upper end of the ankle support 1 and the lower end of the foot support 2 are movably connected by a hinge 614. The hinge 614 ensures that the ankle support 1 and the foot support 2 are movably connected, and the foot support 2 can rotate around the hinge 614 to achieve toe-press adjustment, while limiting the range of motion to 0° to 30° to avoid excessive folding that could lead to support failure.
[0044] like Figure 1 , 2 As shown in Figure 3, in this embodiment, the inversion / outversion adjustment component 62 includes a toothed groove 621 extending through the lower end of the ankle support 1 and a rotating groove 622 on the upper wall of the movable base 4. The toothed groove 621 is an arc-shaped guide structure used to generate rotation control after meshing with the toothed rod 625, ensuring that the ankle support 1 has a sufficient rotation range during adjustment. A motor groove 623 is opened at the rear end of the rotating groove 622. The motor groove 623 is a closed cavity structure used to accommodate the motor 624. The motor 624 is fixedly installed in the motor groove 623. The motor 624 is used to provide rotational force to realize the inversion / outversion adjustment of the ankle support 1. A toothed rod 625 is provided at the front end of the motor 624. The toothed rod 625 extends into the toothed groove 621 and meshes with it. The other end is movably connected to the front inner wall of the rotating groove 622. After the toothed rod 625 meshes with the toothed groove 621, it can drive the ankle support 1 to make fine angle adjustments through the rotation of the motor 624.
[0045] like Figure 1 , 2 As shown in Figure 3, in this embodiment, the lateral translation adjustment component 63 includes limiting grooves 631 that are respectively opened laterally through the front and rear ends of the lower part of the movable base 4. The limiting grooves 631 are lateral through-type sliding grooves used to guide the movement trajectory and improve the linear stability of the movable base 4 when it moves laterally. The four corners of the bottom wall of the movable base 4 are provided with lateral rollers 632. The symmetrical arrangement of the four corners ensures that the load is evenly distributed and at the same time ensures the stability of the movable base 4 when it moves laterally.
[0046] The upper surface of the fixed base 5 has a longitudinally formed transverse groove 633. The transverse groove 633 is used to support the movable base 4 and provide space for its transverse movement. The left and right inner sidewalls of the transverse groove 633 are provided with limiting rods 634 at the front and rear ends corresponding to the limiting grooves 631. The limiting rods 634 are movably inserted into the limiting grooves 631 to ensure the linear stability of the movable base 4 when it moves laterally. The middle part of the left and right inner sidewalls of the transverse groove 633 is provided with air pumps b635, and air pumps b635 are provided at both the left and right ends. The air pumps b635 provide power support for the transverse movement of the movable base 4. The other side of the air pumps b635 is provided with a fixing rod 636. The other end of the fixing rods 636 is fixedly connected to the outer wall of the movable base 4. The fixing rods 636 are used to transmit the thrust of the air pumps b635, thereby realizing the left and right transverse movement of the movable base 4.
[0047] like Figure 4As shown, in this embodiment, silicone pads 11 are movably attached to the inner wall of the ankle support 1 and the front end of the foot support 2. The silicone pads 11 are 5-8mm thick and have a skin-like micro-texture on the surface, providing excellent fit, elasticity, and breathability. They can effectively disperse pressure, reduce pressure on the patient's local skin and bony prominences, and significantly reduce the probability of pressure sores. The silicone pads 11 are attached to the ankle support 1 and the foot support 2 with adhesive pieces 12. The adhesive pieces 12 are double-sided replaceable Velcro or medical-grade washable pressure-sensitive adhesive, which facilitates the replacement of the silicone pads 11 according to the frequency of use, ensuring cleanliness and hygiene.
[0048] like Figure 4 As shown, in this embodiment, the rear end of the mobile base 4 is provided with a control compartment 41, which contains a battery 42 and a control chip 43. The battery 42 is a lithium battery pack 42, which provides power support for the device's motor 624, air pump a612 and air pump b635. The control chip 43 is an integrated multi-channel control unit, which can adjust the operating rhythm and time of the motor 624, air pump a612 and air pump b635 according to preset settings, thereby realizing the device's bending and stretching in the vertical direction, rotation in the horizontal plane, and overall lateral displacement.
[0049] In this embodiment, the ankle support 1 and the foot support 2 are made of materials that are flexible, cushioning and skin-friendly, which can improve the comfort of use while providing structural support and are suitable for long-term wear;
[0050] The support 3, movable base 4, and fixed base 5 are made of high-strength and corrosion-resistant materials, which can ensure that they will not deform or rust during long-term use in high-intensity disinfection and high-humidity environments during surgery, while also having the advantages of being lightweight and easy to operate.
[0051] The working principle and usage process of this technical solution are as follows: During use, medical staff first select the appropriate size foot support 2 and ankle support 1 according to the patient's foot condition, and place the device in the corresponding area of the foot on the operating table or nursing bed to ensure that the device will not shift or tip over during use.
[0052] Subsequently, medical staff placed the patient's foot between the foot support 2 and the ankle support 1. The silicone pad 11 automatically conformed to the shape of the patient's foot, forming a flexible cushioning wrap. At the same time, the adhesive piece 12 firmly connected the silicone pad 11 to the foot support 2 and the ankle support 1, preventing the silicone pad 11 from shifting or falling off due to limb movement.
[0053] Next, depending on the patient's actual foot posture or surgical needs, the operator can operate the foot angle adjustment mechanism 6 in sequence or in combination, including the toe-down adjustment component 61, the inversion / exversion adjustment component 62, and the lateral translation adjustment component 63.
[0054] The toe-down pressure adjustment component 61 controls the air pump a612 to inflate or deflate the telescopic rod 613, thereby adjusting the angle between the foot support 2 and the support 3, thus simulating the natural stepping state of the foot or realizing foot traction during surgery, which helps maintain muscle tension and prevent foot drop.
[0055] The motor 624 between the movable base 4 and the ankle support 1 drives the toothed bar 625 to rotate along the toothed groove 621, causing the ankle support 1 to rotate around the central axis of the toothed bar 625 to simulate inversion or eversion movements, meeting the needs of patients for different foot correction or support directions during and after surgery. After adjustment, the system fixes the angle through a self-locking structure to ensure that the foot remains stable during care.
[0056] By controlling the air pump b635 to drive the fixed rod 636 to extend and retract, the movable base 4 slides smoothly along the transverse groove 633 on the surface of the fixed base 5. At the same time, the limiting rod 634 is embedded in the limiting groove 631 of the movable base 4 to form a physical limiting lock, thereby preventing the base from sliding or shifting, thereby adjusting the lateral position of the entire foot support structure in the horizontal direction.
[0057] Throughout the entire process, the control chip 43 collects the status information of each execution component in real time and implements the angle control logic through a preset program. After the device is used, medical staff separate the device from the bed and then remove the silicone pad 11 for disinfection, cleaning or disposal, which is convenient for repeated use or keeping it clean, and meets the convenient maintenance needs of high turnover clinical use scenarios in hospitals.
[0058] Through the above-described workflow, this utility model not only achieves precise multi-dimensional adjustment of the foot in terms of structure, but also, combined with the flexible wrapping of the silicone pad 11 and pneumatic and electric adjustment methods, significantly improves the individual adaptability, stability, and comfort of foot fixation, thereby effectively preventing complications such as pressure sores and foot drop during surgery and postoperative recovery, and improving patient safety and postoperative recovery results.
[0059] The present invention has been further described above with reference to the embodiments, but the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. A surgical foot support for pressure sores, comprising an ankle support (1), a foot support (2), a support backrest (3), a movable base (4), and a fixed base (5), characterized in that: Also includes: Foot angle adjustment mechanism (6); wherein: The foot angle adjustment mechanism (6) includes a toe-pressing adjustment component (61) fixedly installed between the foot support (2) and the support (3), an inversion / outversion adjustment component (62) fixedly installed between the ankle support (1) and the movable base (4), and a lateral translation adjustment component (63) fixedly installed between the movable base (4) and the fixed base (5).
2. The surgical footrest for preventing pressure sores according to claim 1, characterized in that: The toe-pressing adjustment assembly (61) includes an air pump groove a (611) that runs through the upper end of the front wall of the support member (3), an air pump a (612) is provided in the air pump groove a (611), a telescopic rod (613) is provided at the outer end of the air pump a (612), and the other end of the telescopic rod (613) is fixedly connected to the upper end of the rear wall of the foot support member (2). The upper end of the ankle support (1) and the lower end of the foot support (2) are movably connected by a hinge (614).
3. The surgical footrest for preventing pressure sores according to claim 1, characterized in that: The inversion / outversion adjustment assembly (62) includes a toothed groove (621) extending through the lower end of the ankle support (1) and a rotating groove (622) extending through the upper wall of the movable base (4). A motor groove (623) is provided at the rear end of the rotating groove (622). A motor (624) is fixedly installed in the motor groove (623). A toothed rod (625) is provided at the front end of the motor (624). The toothed rod (625) extends into the toothed groove (621) and meshes with it. The other end is movably connected to the inner wall of the front of the rotating groove (622).
4. The surgical footrest for preventing pressure sores according to claim 1, characterized in that: The lateral translation adjustment component (63) includes limiting grooves (631) that are opened horizontally through the front and rear ends of the lower part of the movable base (4), and lateral rollers (632) are provided at the four corners of the bottom wall of the movable base (4). The upper surface of the fixed base (5) has a longitudinal transverse groove (633). The left and right inner walls of the transverse groove (633) are provided with limiting rods (634) at the front and rear ends corresponding to the limiting grooves (631). The middle part of the left and right inner walls of the transverse groove (633) is provided with air pumps b (635). The other side of the air pumps b (635) is provided with a fixing rod (636). The other end of the fixing rods (636) is fixedly connected to the outer wall of the movable base (4).
5. The surgical footrest for preventing pressure sores according to claim 1, characterized in that: The inner wall of the ankle support (1) and the front end of the foot support (2) are both movably attached with silicone pads (11), and adhesive pads (12) are provided on the adhesive surfaces of the silicone pads (11) and the ankle support (1) and the foot support (2).
6. The surgical footrest for preventing pressure sores according to claim 1, characterized in that: The mobile base (4) has a control compartment (41) at its rear end, and the control compartment (41) contains a battery (42) and a control chip (43).
7. The surgical footrest for preventing pressure sores according to claim 1, characterized in that: The ankle support (1) and foot support (2) are made of a flexible, cushioning and skin-friendly material; The support (3), movable base (4) and fixed base (5) are made of high-strength and corrosion-resistant materials.