Position pad used after hip and knee joint replacement

By designing an adjustable angle and height post-position pad of hip and knee arthroplasty, the problem of inconvenient angle adjustment of existing equipment is solved, the practicality and functionality of the equipment are improved, and the health and comfort characteristics such as moisture absorption, breathability, and antibacteriality are provided.

CN222955626UActive Publication Date: 2025-06-10LANGFANG PEOPLES HOSPITAL
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Patent Information

Application Number
CN202421420562.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-06-10
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The existing position pads after hip and knee arthroplasty surgery are inconvenient for angle adjustment, which reduces the practicality of the equipment.

Method used

A post-height and knee arthroplasty cushion with a main mechanism, an auxiliary mechanism and a breathable mechanism is designed. The main mechanism realizes the angle adjustment of the cushion through an electric push rod and a hydraulic push rod. The auxiliary mechanism realizes the height adjustment of the equipment through a cylinder and a hydraulic column. The breathable mechanism adopts a multi-layer material structure to provide moisture absorption, breathability, antibacterial and other characteristics.

Benefits of technology

It realizes flexible adjustment of the cushion angle and equipment height, improves the practicality and functionality of the equipment, and provides a healthy and comfortable user experience such as moisture absorption, breathability, and antibacteriality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222955626U_ABST
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Abstract

The utility model relates to the technical field of medical instruments, and discloses a hip and knee joint replacement post-operation position pad which comprises a main body mechanism, an auxiliary mechanism and a ventilation mechanism, the auxiliary mechanism is located above the main body mechanism, and the ventilation mechanism is located inside the auxiliary mechanism. The main body mechanism comprises a supporting box body, an electric push rod, a hydraulic push rod, a movable rod, a movable ring, a connecting seat and a back cushion, the electric push rod is fixedly installed at the right end of the supporting box body, the hydraulic push rod is movably installed at the upper end of the electric push rod, and the movable rod is fixedly installed at the upper end of the hydraulic push rod; and the movable ring is movably mounted at the upper end of the movable rod. According to the hip and knee joint replacement post-operation body position cushion, by installing the main body mechanism, medical staff can conveniently adjust the angle of the cushion, so that the cushion can be adjusted to a proper angle according to the requirements of the medical staff, the recovery speed of hip and knee joints of a patient after operation is increased, and the practicability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a body position cushion after hip and knee joint replacement. Background Technique

[0002] After hip and knee joint replacement, patients often need to elevate the lower limbs above the heart level to promote blood circulation and maintain the functional position of the limbs, and be in the neutral abduction position. After hip joint replacement, patients also need to maintain the neutral abduction position to prevent joint dislocation caused by adduction and external rotation of the leg.

[0003] In the prior art, the patent document with the publication number CN214549992U discloses a body position cushion after hip and knee joint replacement. This patent document mentions that it includes a main column, a secondary column and a placement plate. The bottom of the main column is fixed with a bottom plate by bolts, and an anti-slip pad is glued to the bottom of the bottom plate. One end of the main column is installed with a swing plate through an installation groove. Fixed sleeves are fixed on both sides of the main column by bolts. A support rod is sleeved inside the fixed sleeve. The top of the support rod is welded with an arc-shaped clamping plate. A lead screw is installed inside the main column through a bearing. The top of the main column is sleeved with a secondary column, and a placement plate is arranged on the top of the secondary column. An elastic pad is glued to the top of the placement plate. The utility model has a simple structure, is convenient to operate, occupies a small area, and can be adjusted in angle, and is suitable for being widely promoted and used.

[0004] However, in the actual use process of the existing body position cushion after hip and knee joint replacement, most of them are not convenient for adjusting the angle of the cushion, thus not facilitating the subsequent recuperation of the affected part by the user, and reducing the practicability of the device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a body position cushion after hip and knee joint replacement, so as to solve the problem that most of them are not convenient for adjusting the angle of the cushion in the above-mentioned background technique, thus not facilitating the subsequent recuperation of the affected part by the user, and reducing the practicability of the device.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A body position cushion after hip and knee joint replacement, including a main body mechanism, an auxiliary mechanism and a ventilation mechanism. The auxiliary mechanism is located above the main body mechanism, and the ventilation mechanism is located inside the auxiliary mechanism. The main body mechanism includes a support box body, an electric push rod, a hydraulic push rod, a movable rod, a movable ring, a connecting seat and a backrest. The electric push rod is fixedly installed at the right end of the support box body. The hydraulic push rod is movably installed at the upper end of the electric push rod. The movable rod is fixedly installed at the upper end of the hydraulic push rod. The movable ring is movably installed at the upper end of the movable rod. The connecting seat is fixedly installed at the upper end of the movable ring. The backrest is fixedly installed at the upper end of the connecting seat.

[0007] Preferably, the auxiliary mechanism includes a counterweight, a cylinder, a hydraulic column, a lying cushion, a movable chain, and a fixed handle. The counterweight is fixedly installed at the lower end of the inner side of the support box.

[0008] Preferably, the cylinder is fixedly installed at the upper end of the counterweight, the hydraulic column is movably installed at the upper end of the cylinder, and the lying cushion is fixedly installed at the upper end of the hydraulic column.

[0009] Preferably, the movable chain is movably installed at the right end of the lying cushion, the movable chain is movably installed at the left end of the backrest cushion, and the fixed handle is fixedly installed at the upper end of the lying cushion.

[0010] Preferably, the ventilation mechanism includes a bamboo carbon fiber silk layer, a polyester resin material layer, a polycarbonate material layer, a moisture-absorbing and sweat-wicking fiber layer, and a skin-friendly and warm fluff layer. The bamboo carbon fiber silk layer is fixedly installed at the inner side of the lying cushion, and the polyester resin material layer is fixedly installed at the lower end of the bamboo carbon fiber silk layer.

[0011] Preferably, the polycarbonate material layer is fixedly installed at the lower end of the polyester resin material layer, the moisture-absorbing and sweat-wicking fiber layer is fixedly installed at the lower end of the polycarbonate material layer, and the skin-friendly and warm fluff layer is fixedly installed at the lower end of the moisture-absorbing and sweat-wicking fiber layer.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. For this hip and knee joint replacement postoperative body position cushion, by installing the main body mechanism, it is convenient for the user to adjust the angle of the backrest cushion electrically, thus facilitating the user to use and improving the practicability of the device.

[0014] 2. For this hip and knee joint replacement postoperative body position cushion, by installing the auxiliary mechanism, the user can adjust the height of the device, thus facilitating the patient to recuperate the affected area and increasing the functionality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is a schematic sectional structure diagram of the present utility model;

[0017] Figure 3 is a schematic diagram of a partially enlarged structure of the main body mechanism of the present utility model;

[0018] Figure 4 is a schematic diagram of a partially enlarged structure of the ventilation mechanism of the present utility model.

[0019] In the figure: 1. Main body mechanism; 101. Support box body; 102. Electric push rod; 103. Hydraulic push rod; 104. Movable rod; 105. Movable ring; 106. Connecting seat; 107. Cushion; 2. Auxiliary mechanism; 201. Counterweight block; 202. Cylinder; 203. Hydraulic column; 204. Reclining cushion; 205. Movable chain; 206. Fixed handle; 3. Ventilation mechanism; 301. Bamboo carbon fiber silk layer; 302. Polyester resin material layer; 303. Polycarbonate material layer; 304. Moisture-absorbing and sweat-wicking fiber layer; 305. Skin-friendly and warm fluff layer. Detailed implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 , the present invention provides a technical solution: a body position cushion after hip and knee joint replacement, including a main body mechanism 1, an auxiliary mechanism 2 and a ventilation mechanism 3. The auxiliary mechanism 2 is located above the main body mechanism 1, and the ventilation mechanism 3 is located inside the auxiliary mechanism 2. The main body mechanism 1 includes a support box body 101, an electric push rod 102, a hydraulic push rod 103, a movable rod 104, a movable ring 105, a connecting seat 106 and a cushion 107. The electric push rod 102 is fixedly installed at the right end of the support box body 101, the hydraulic push rod 103 is movably installed at the upper end of the electric push rod 102, the movable rod 104 is fixedly installed at the upper end of the hydraulic push rod 103, the movable ring 105 is movably installed at the upper end of the movable rod 104, the connecting seat 106 is fixedly installed at the upper end of the movable ring 105, and the cushion 107 is fixedly installed at the upper end of the connecting seat 106.

[0022] The auxiliary mechanism 2 includes a counterweight 201, a cylinder 202, a hydraulic column 203, a lying cushion 204, a movable chain 205 and a fixed handle 206. The counterweight 201 is fixedly installed at the lower end of the inner side of the support box body 101. The cylinder 202 is fixedly installed at the upper end of the counterweight 201. The hydraulic column 203 is movably installed at the upper end of the cylinder 202. The lying cushion 204 is fixedly installed at the upper end of the hydraulic column 203. The movable chain 205 is movably installed at the right end of the lying cushion 204, and the movable chain 205 is movably installed at the left end of the backrest cushion 107. The fixed handle 206 is fixedly installed at the upper end of the lying cushion 204. When medical staff need to adjust the angle of the backrest cushion 107, the user starts the electric push rod 102, so that the electric push rod 102 can push the hydraulic push rod 103 to rise, so that the backrest cushion 107 can rise while adjusting the angle of the backrest cushion 107. Through the use of the movable rod 104 and the movable ring 105, the connecting seat 106 can always maintain the same angle as the backrest cushion 107. When the user needs to adjust the height of the device, the user starts the cylinder 202 on the counterweight 201, so that the cylinder 202 can control the lifting of the hydraulic column 203, thus facilitating the user to adjust the height of the device. Through the use of the movable chain 205, it is convenient for the user to adjust the angle between the backrest cushion 107 and the lying cushion 204.

[0023] The ventilation mechanism 3 includes a bamboo carbon fiber silk layer 301, a polyester resin material layer 302, a polycarbonate material layer 303, a moisture-absorbing and sweat-wicking fiber layer 304 and a skin-friendly and warm fluff layer 305. The bamboo carbon fiber silk layer 301 is fixedly installed at the inner side of the lying cushion 204. The polyester resin material layer 302 is fixedly installed at the lower end of the bamboo carbon fiber silk layer 301. The polycarbonate material layer 303 is fixedly installed at the lower end of the polyester resin material layer 302. The moisture-absorbing and sweat-wicking fiber layer 304 is fixedly installed at the lower end of the polycarbonate material layer 303. The skin-friendly and warm fluff layer 305 is fixedly installed at the lower end of the moisture-absorbing and sweat-wicking fiber layer 304. Through the use of the bamboo carbon fiber silk layer 301, the cushion can have the characteristics of moisture absorption, ventilation, antibacterial and odor removal. Through the use of the polyester resin material layer 302, the polyester resin material layer 302 can play a supporting role for the cushion. Through the use of the polycarbonate material layer 303, the cushion can have the characteristic of anti-static. Through the use of the moisture-absorbing and sweat-wicking fiber layer 304, the cushion can have the characteristic of moisture absorption and sweat wicking. Through the use of the skin-friendly and warm fluff layer 305, the position where the cushion contacts the human body can have the skin-friendly characteristic.

[0024] Working principle: When medical staff need to adjust the angle of the cushion 107, the user activates the electric push rod 102, so that the electric push rod 102 can push the hydraulic push rod 103 to rise, so that the cushion 107 can rise while completing the adjustment of the angle of the cushion 107. Through the use of the movable rod 104 and the movable ring 105, the connecting seat 106 can always maintain the same angle as the cushion 107. When the user needs to adjust the height of the device, the user activates the cylinder 202 on the counterweight 201, so that the cylinder 202 can control the lifting of the hydraulic column 203, thus facilitating the user to adjust the height of the device. Through the use of the movable chain 205, it is convenient for the user to adjust the angle between the cushion 107 and the lying cushion 204. Through the use of the bamboo carbon fiber filament layer 301, the cushion can have the characteristics of moisture absorption, air permeability, antibacterial, odor removal, etc. Through the use of the polyester resin material layer 302, the polyester resin material layer 302 can play a supporting role for the cushion. Through the use of the polycarbonate material layer 303, the cushion can have the characteristic of anti-static. Through the use of the moisture absorption and sweat discharge fiber layer 304, the cushion can have the characteristic of moisture absorption and sweat discharge. Through the use of the skin-friendly and warm fluff layer 305, the position where the cushion contacts the human body can obtain the skin-friendly characteristic.

[0025] The above shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A postoperative positioning pad for hip and knee replacement, comprising a main body mechanism (1), an auxiliary mechanism (2) and a breathable mechanism (3), characterized in that: The auxiliary mechanism (2) is located above the main mechanism (1); the ventilation mechanism (3) is located inside the auxiliary mechanism (2); the main mechanism (1) comprises a support box (101), an electric push rod (102), a hydraulic push rod (103), a movable rod (104), a movable ring (105), a connecting seat (106) and a cushion (107); the electric push rod (102) is fixedly mounted on the right end of the support box (101); the hydraulic push rod (103) is movably mounted on the upper end of the electric push rod (102); the movable rod (104) is fixedly mounted on the upper end of the hydraulic push rod (103); the movable ring (105) is movably mounted on the upper end of the movable rod (104); the connecting seat (106) is fixedly mounted on the upper end of the movable ring (105); and the cushion (107) is fixedly mounted on the upper end of the connecting seat (106).

2. A post-operative positioning pad for hip and knee replacement according to claim 1, characterized in that: The auxiliary mechanism (2) comprises a counterweight (201), a cylinder (202), a hydraulic column (203), a lying cushion (204), a movable chain (205) and a fixed handle (206); the counterweight (201) is fixedly mounted at the lower end of the inner end of the supporting box (101).

3. A post-operative positioning pad for hip and knee replacement according to claim 2, characterized in that: The cylinder (202) is fixedly mounted on the upper end of the counterweight (201), the hydraulic column (203) is movably mounted on the upper end of the cylinder (202), and the lying pad (204) is fixedly mounted on the upper end of the hydraulic column (203).

4. A post-operative positioning pad for hip and knee replacement according to claim 3, characterized in that: The movable chain (205) is movably mounted on the right end of the lying cushion (204), the movable chain (205) is movably mounted on the left end of the back cushion (107), and the fixed handle (206) is fixedly mounted on the upper end of the lying cushion (204).

5. A post-operative positioning pad for hip and knee replacement according to claim 4, characterized in that: The ventilation mechanism (3) comprises a bamboo carbon fiber layer (301), a polyester resin material layer (302), a polycarbonate material layer (303), a moisture absorption and perspiration wicking fiber layer (304) and a skin-friendly and warm fleece layer (305); the bamboo carbon fiber layer (301) is fixedly mounted on the inner end of the lying pad (204), and the polyester resin material layer (302) is fixedly mounted on the lower end of the bamboo carbon fiber layer (301).

6. A post-operative positioning pad for hip and knee replacement according to claim 5, characterized in that: The polycarbonate material layer (303) is fixedly mounted on the lower end of the polyester resin material layer (302), the moisture absorption and perspiration wicking fiber layer (304) is fixedly mounted on the lower end of the polycarbonate material layer (303), and the skin-friendly and warm fleece layer (305) is fixedly mounted on the lower end of the moisture absorption and perspiration wicking fiber layer (304).

Citation Information

Patent Citations

  • Position pad used after hip and knee joint replacement

    CN214549992U