Reusable operating room thermal insulation cape capable of being wiped and disinfected
By adopting a three-layer structure design consisting of silicone polyurethane composite material, graphene heating material, and medical silicone coated composite fabric, combined with the heating function of graphene electric heating film and a removable inner lining, the problem of insufficient heat preservation and waste of disposable non-woven thermal shawls is solved, achieving reusability and high-efficiency heat preservation, and reducing the generation of medical waste.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-03
AI Technical Summary
In the existing technology, disposable non-woven thermal shawls have limited thermal insulation effect and generate a large amount of medical waste, and cannot effectively prevent hypothermia and complications during surgery.
The device employs a three-layer structure design, consisting of a silicone polyurethane composite material as the outer layer, graphene heating material as the middle insulation layer, and medical-grade silicone coated composite fabric as the inner lining layer. Combined with the heating function of the graphene electric heating film and the removable inner lining layer design, it supports repeated use through wiping disinfection.
It provides better insulation, significantly reduces medical waste, prevents hypothermia complications during surgery, and improves ease of use and safety.
Smart Images

Figure CN223958360U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to medical thermal insulation materials, and more particularly to a reusable operating room thermal shawl that can be wiped clean and disinfected. Background Technology
[0002] In the operating room environment, anesthetic drugs affect the patient's thermoregulation mechanism. Simultaneously, the low ambient temperature of the operating room and the exposed surgical area can cause a rapid drop in the patient's body temperature. Clinical studies have shown that hypothermia during surgery (body temperature below 36°C) significantly increases the risk of postoperative infection, prolongs wound healing time, and increases the likelihood of blood clotting disorders. Currently, disposable non-woven fabric thermal shawls are commonly used clinically to keep patients warm. While these shawls are inexpensive, their insulation effect is limited, and they generate a large amount of medical waste. Summary of the Invention
[0003] This invention aims to at least partially solve one of the technical problems in related technologies. Therefore, the purpose of this invention is to provide a reusable, wipeable, disinfectable operating room thermal shawl.
[0004] To achieve the above objectives, the wipeable, disinfectable, and reusable operating room thermal shawl according to an embodiment of the present invention includes:
[0005] The outer surface layer is made of silicone polyurethane composite material;
[0006] An intermediate insulation layer, wherein the intermediate insulation layer is a graphene heating material;
[0007] The inner lining layer is a medical-grade silicone-coated composite fabric used in contact with the human body.
[0008] The reusable, wipeable, and disinfectable operating room thermal shawl provided by this invention utilizes a three-layer structure: a silicone polyurethane composite material as the outer layer, graphene heating material as the middle insulation layer, and medical-grade silicone-coated composite fabric as the inner lining. This effectively solves the problems of limited insulation effect and large amounts of medical waste generated by disposable non-woven thermal shawls. The shawl is reusable and can be cleaned by wiping and disinfecting. It not only provides better insulation for surgical patients, effectively preventing complications caused by hypothermia during surgery, but also significantly reduces the generation of medical waste.
[0009] In addition, the wipeable, disinfectable, and reusable operating room thermal shawl according to the above embodiments of this utility model may also have the following additional technical features:
[0010] According to one embodiment of the present invention, the inner lining layer includes a medical-grade silicone coating, a polyester fiber layer and a moisture-wicking and quick-drying fabric layer arranged sequentially; the medical-grade silicone coating, the polyester fiber layer and the moisture-wicking and quick-drying fabric layer are composited into one piece by a hot-pressing molding process, and the moisture-wicking and quick-drying fabric layer is detachably assembled to the intermediate insulation layer.
[0011] According to one embodiment of the present invention, the intermediate insulation layer is a graphene electrothermal film, and the edge of the shawl is provided with an electrical connector that connects to the graphene electrothermal film. The electrical connector is used to connect to an external electrical control box, through which the electrical control box supplies power to the graphene electrothermal film.
[0012] According to one embodiment of the present invention, at least one temperature sensor is provided between the outer surface and the intermediate insulation layer, and the electrical control box is also used to control and adjust the heating temperature of the graphene electric heating film according to the temperature value monitored by the temperature sensor.
[0013] According to one embodiment of the present invention, the shawl has a neckline area, and the neckline area is provided with a connecting strap for wearing the shawl around the neck of a person.
[0014] According to one embodiment of the present invention, the surface of the outer layer is coated with a nano-antibacterial coating, the nano-antibacterial coating comprising a metal-based antibacterial agent.
[0015] According to one embodiment of the present invention, the shawl is provided with positioning straps at intervals along its edges, and the free end of the positioning straps is provided with magnetic adsorption elements for adsorption and fixation to the edge of the operating table.
[0016] According to one embodiment of the present invention, the outer layer is further provided with an RFID tag, the RFID tag having unique information about the shawl.
[0017] According to one embodiment of the present invention, the shawl has two straight slits, which are spaced apart in the width direction of the shawl to allow the patient's arms to extend.
[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0019] 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 the structures shown in these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of the reusable, wipeable, disinfectable operating room thermal shawl from one perspective in an embodiment of this utility model;
[0021] Figure 2 This is a schematic diagram of the structure of the reusable, wipeable, disinfectable operating room thermal shawl from another perspective in this utility model embodiment;
[0022] Figure 3 This is an exploded view of the reusable, wipeable, disinfectable operating room thermal shawl in this embodiment of the present invention;
[0023] Figure 4 This is a cross-sectional view of the inner lining layer of the reusable, wipeable, disinfectable operating room thermal shawl in this embodiment of the present invention.
[0024] Figure label:
[0025] 10. Outer layer;
[0026] 101. Connecting belt;
[0027] 102. Positioning belt;
[0028] 1021. Magnetic adsorption components;
[0029] 103. Electrical connectors;
[0030] H10, incision;
[0031] 20. Intermediate insulation layer;
[0032] 201. Temperature sensor;
[0033] 30. Inner lining layer;
[0034] 301. Medical-grade silicone coating;
[0035] 302. Polyester fiber layer;
[0036] 303. Moisture-wicking and quick-drying fabric layer;
[0037] 304. Velcro.
[0038] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0039] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.
[0040] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0043] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0044] The following describes in detail, with reference to the accompanying drawings, an embodiment of the present invention: a wipeable, disinfectable, and reusable operating room thermal shawl.
[0045] Reference Figures 1 to 4 As shown, the reusable operating room thermal shawl that can be wiped clean and disinfected according to an embodiment of the present invention includes an outer layer 10, a middle thermal insulation layer 20, and an inner lining layer 30.
[0046] Specifically, the outer layer 10 is made of silicone polyurethane composite material. This material has good abrasion resistance, tear resistance, and water resistance, which can well meet the needs of wiping disinfection. At the same time, the silicone polyurethane composite material has a smooth surface, which is easy to perform surface disinfection treatment and meets the strict hygiene standards for medical devices.
[0047] This silicone-polyurethane composite material is generally composed of medical-grade silicone material and thermoplastic polyurethane elastomer. The medical-grade silicone material accounts for 30-50% by weight. The silicone material and polyurethane elastomer form an interpenetrating network structure through chemical cross-linking, which gives the material good hardness, elongation at break and wear resistance.
[0048] The middle insulating layer 20 is made of graphene heating material. The inner lining layer 30 is a medical-grade silicone-coated composite fabric for contact with the human body. Graphene, as a novel carbon material, possesses excellent thermal conductivity and thermal stability. In this embodiment, the graphene heating material can evenly distribute heat, providing a long-lasting and stable heat preservation effect, effectively preventing the patient's body temperature from dropping during surgery. Compared with traditional insulation materials, the graphene heating material is thinner and lighter, yet provides superior heat preservation performance, making the entire insulating shawl lightweight and comfortable.
[0049] The inner lining layer 30 is a medical-grade silicone-coated composite fabric intended for contact with the human body. This composite fabric has good biocompatibility and will not cause skin allergies or irritation. The medical-grade silicone coating is soft and skin-friendly, providing a comfortable feel and reducing patient discomfort. Furthermore, the medical-grade silicone-coated composite fabric has certain antibacterial properties, which can reduce the risk of microbial growth to some extent.
[0050] The reusable, wipeable, and disinfectable operating room thermal shawl provided in this embodiment of the invention utilizes a three-layer structure design: a silicone polyurethane composite material as the outer layer 10, graphene heating material as the middle insulation layer 20, and medical-grade silicone-coated composite fabric as the inner lining layer 30. This effectively solves the problems of limited insulation effect and large amounts of medical waste generated by disposable non-woven thermal shawls. The shawl is reusable and can be cleaned by wiping and disinfecting. It not only provides better insulation for surgical patients, effectively preventing complications caused by hypothermia during surgery, but also significantly reduces the generation of medical waste.
[0051] In one embodiment of the present invention, the inner lining layer 30 includes a medical-grade silicone coating 301, a polyester fiber layer 302, and a moisture-wicking and quick-drying fabric layer 303 arranged sequentially; the medical-grade silicone coating 301, the polyester fiber layer 302, and the moisture-wicking and quick-drying fabric layer 303 are integrally formed by a hot pressing process, and the moisture-wicking and quick-drying fabric layer 303 is detachably assembled to the intermediate insulation layer.
[0052] The medical-grade silicone coating 301 is the part of the inner lining layer 30 that comes into direct contact with the patient's skin. This medical-grade silicone coating 301 has a thickness of 0.2-0.3 mm, ensuring optimal tactile feel and safety, and also possesses a certain degree of water resistance.
[0053] The polyester fiber layer 302 is located between the medical-grade silicone coating 301 and the moisture-wicking and quick-drying fabric layer 303, serving a supporting and insulating function. For example, this layer is made of high-density polyester fiber material with a thickness of approximately 1.0-1.5 mm, exhibiting good elasticity, resilience, and shape retention. The polyester fiber layer 302 may employ a three-dimensional structural design, forming numerous tiny air cavities that effectively store heat and enhance the overall insulation effect.
[0054] The moisture-wicking and quick-drying fabric layer 303 is in direct contact with the intermediate insulation layer. This layer can be made of functional textile fabric with a thickness of approximately 0.5-0.8 mm. The surface of this fabric can be treated with antibacterial agents, such as nano-silver ions, which can effectively inhibit bacterial growth and reduce the risk of cross-infection. The entire inner lining layer 30 has an overall thickness in the range of 2.0-2.5 mm, is lightweight, has good toughness, and a soft feel.
[0055] In addition, the moisture-wicking and quick-drying fabric layer 303 can be detachably assembled to the middle insulation layer. The detachable method can be Velcro 304, snap fasteners, or other structures to ensure that the inner lining layer 30 is reliably connected during use and will not come off, while also being easy to disassemble, clean, or replace.
[0056] In this embodiment, the inner lining layer 30 adopts a three-layer composite structure consisting of a medical-grade silicone coating 301, a polyester fiber layer 302, and a moisture-wicking and quick-drying fabric layer 303. This is achieved through a thermoforming process to form an integrated design, and it is detachably combined with the intermediate insulation layer. This design not only significantly improves the comfort and safety of the thermal shawl but also greatly enhances its practicality and convenience. Its detachable design facilitates cleaning, disinfection, and replacement, extending the overall lifespan of the thermal shawl and reducing long-term usage costs.
[0057] In one embodiment of this utility model, the middle layer is a graphene electrothermal film, and the edge of the shawl is provided with an electrical connector 103 connected to the graphene electrothermal film. The electrical connector 103 is used to connect to an external electrical control box, and the electrical control box supplies power to the graphene electrothermal film.
[0058] For example, the graphene electrothermal film has a thickness of approximately 0.3-0.5 mm, and is characterized by its thinness, lightness, and flexibility, allowing it to conform to the curves of the human body and provide a comfortable and snug fit. The graphene electrothermal film employs a uniformly distributed conductive network structure inside, ensuring that heat is released evenly across the entire film surface and preventing localized overheating.
[0059] The electrical connector 103 at the edge of the cape can be quick-plugged or magnetically attached, allowing medical staff to quickly connect or disconnect the power supply and improving operational convenience. The connector 103 connects to an external electrical control box via a connecting cable. The control box allows for temperature adjustment, for example, within a range of 30-42℃. A display screen can be installed on the surface of the control box to show parameters such as the temperature setting, actual temperature, and battery level, facilitating real-time monitoring by medical staff. The control box is powered by a built-in lithium battery, sufficient to meet the needs of most surgical procedures.
[0060] In this embodiment, a combination design of graphene electrothermal film and external electrical control box is used to achieve the active heating function of the operating room thermal shawl. The temperature can be adjusted according to the patient's needs, achieving better insulation and effectively preventing a drop in patient body temperature during surgery. Simultaneously, the control box enhances the ease of use, providing medical staff with a simple and intuitive operating experience.
[0061] In one embodiment of this invention, at least one temperature sensor 201 is provided between the outer surface and the intermediate insulation layer 20. The electrical control box is further used to control and adjust the heating temperature of the graphene electrothermal film based on the temperature value monitored by the temperature sensor 201. These temperature sensors 201 are flexible thermistors and can be embedded in the structure of the heat-insulating shawl without affecting the overall comfort. Preferably, there are 2 to 6 temperature sensors 201, distributed in different positions inside the shawl. The temperature sensors 201 are connected to the external electrical control box via an electrical connector 103. The electrical control box can adjust the heating intensity of each graphene electrothermal film based on the feedback from the temperature sensors 201 to achieve temperature management.
[0062] In this embodiment, the temperature control capability of the shawl is greatly improved by configuring temperature sensors 201. By collecting multi-point temperature data in real time, closed-loop precise control of the shawl's temperature can be achieved, avoiding problems such as large temperature fluctuations and low control accuracy. This temperature control method based on feedback from multiple temperature sensors 201 can adjust heating parameters according to individual patient differences, such as setting different upper temperature limits, providing personalized temperature management and offering safer and more comfortable insulation measures for surgical patients.
[0063] In one embodiment of this invention, the shawl has a neckline area with a connecting strap 101 for wearing the shawl around the neck. The connecting strap 101 can be made of medical-grade silicone elastic material. The connecting strap 101 can be configured as a loop structure or as two independent connecting ends, which are then connected together after being wrapped around the patient's neck during use.
[0064] In this embodiment, the connecting strap 101 securely positions the shawl around the patient's neck, preventing displacement due to patient movement or external forces during surgery and ensuring continuous and effective warmth. Furthermore, the connecting strap 101 can be designed to be adjustable to meet the needs of patients of different body types.
[0065] In one embodiment of this invention, the surface of the outer layer 10 is coated with a nano-antibacterial coating, which comprises a metal-based antibacterial agent. The metal base includes, but is not limited to, metal ions such as silver, copper, or zinc. These metal ions are dispersed at the nanoscale in a polymer matrix, forming a uniform and dense antibacterial film that effectively inhibits the attachment and reproduction of bacteria, viruses, and fungi. Furthermore, the antibacterial activity remains stable even after repeated wiping and disinfection during use.
[0066] By coating the outermost layer 10 with a nano-antibacterial coating and utilizing the broad-spectrum antibacterial properties of the metal-based antibacterial agent, this embodiment significantly improves the antibacterial and anti-pollution performance of the operating room thermal shawl during long-term and repeated disinfection processes, while maintaining the physical properties and durability of the material, effectively ensuring hygiene and safety in the medical environment and extending the product's service life.
[0067] In one embodiment of the present invention, the shawl is provided with positioning straps 102 at intervals along its edge, and the free end of the positioning straps 102 is provided with a magnetic adsorption member 1021 for adsorption and fixation to the edge of the operating table.
[0068] The positioning strap 102 can be made of a flexible, high-strength material, ensuring sufficient abrasion resistance and toughness during the procedure. The positioning strap 102 is either integrally molded with the overall structure of the shawl or fixed to the edge spacing of the shawl using an edge-fixing connection method.
[0069] The magnetic adsorption component 1021 can be made of permanent magnets or magnetic alloys, and its shape can be designed as a circle, a square, or other shapes to adapt to the shape of different operating table edges. When using the shawl, after covering the patient, the free end of the positioning strap 102 can be adsorbed to the surrounding metal area of the operating table or the corresponding matching metal plate pre-fixed on the edge of the operating table through the magnetic adsorption component 1021, ensuring that the shawl remains fixed in the designated position during the operation and is not easily displaced due to patient movement or other external factors.
[0070] By setting positioning straps 102 at the intervals along the edges of the shawl and equipping them with magnetic adsorption components 1021 at their free ends, the shawl is securely fixed, ensuring that it maintains good coverage of the patient during surgery, preventing the shawl from slipping or shifting, effectively improving the heat preservation effect, while simplifying the operation process for medical staff and enhancing the overall ease of use and reliability.
[0071] In one embodiment of this invention, the outer layer 10 is further provided with an RFID tag, which contains unique information about the shawl. In practical applications, the RFID tag can be identified each time the shawl is disinfected and reused, thereby recording the number of times it has been disinfected and reused.
[0072] In this embodiment, an RFID (Radio Frequency Identification) tag is integrated into the outer layer 10. By firmly embedding or adhering the RFID tag to the surface or interior of the silicone polyurethane composite material, it remains stable and reliable during repeated disinfection and reuse. The RFID tag contains a chip with unique identification information for the shawl, including but not limited to product serial number, number of uses, etc. After the shawl undergoes disinfection, the RFID tag can be quickly scanned by a reading device, thereby enabling identification and usage record management of the shawl.
[0073] In practical applications, before each disinfection and reuse, medical staff can scan and identify the shawl using an RFID reader, thereby accurately recording the shawl's usage and disinfection cycle. The system can automatically update the shawl's cumulative usage count, last disinfection time, etc., facilitating the hospital's management of material maintenance and replacement cycles, ensuring the shawl is in optimal condition, improving the level of medical device management, and reducing potential safety hazards caused by product aging or insufficient disinfection.
[0074] In one embodiment of the present invention, the shawl has two straight cuts H10, which are spaced apart in the width direction of the shawl to allow the patient's arms to extend.
[0075] In practical use, when clinical medical staff need to perform intravenous infusions, injections, or other arm-related procedures on patients, the patient only needs to extend the corresponding arm through incision H10, keeping the operating area exposed for easy operation, while the rest of the body remains covered by the shawl to maintain appropriate temperature and insulation. Incision H10 features a straight design, which ensures that the arm can be extended while effectively preventing a decrease in the overall insulation function of the shawl due to the arm being extended.
[0076] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0077] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. A wipeable, sterilizable, reusable, operating room warming wrap, comprising: The application relates to a graphene electric heating film lapel coat. The outer surface layer is made of a silica gel polyurethane composite material. The intermediate warm-keeping layer is made of a graphene electric heating film. The inner lining layer is a medical silica gel coating composite fabric for contacting the human body.
2. The disposable, sterilizable, reusable, surgical warming wrap of claim 1, wherein, The inner lining layer comprises a medical-grade silica gel coating, a polyester fiber layer and a moisture-conducting and quick-drying fabric layer arranged in sequence.
3. The disposable, sterilizable, reusable, surgical warming wrap of claim 1, wherein, The medical-grade silica gel coating, the polyester fiber layer and the moisture-conducting and quick-drying fabric layer are integrally combined through a hot-pressing forming process.
4. The disposable, sterilizable, reusable, surgical warming wrap of claim 3, wherein, The intermediate warm-keeping layer is a graphene electric heating film.
5. The disposable sterilizable reusable surgical warming wrap of claim 2, wherein, The edges of the coat are provided with electric connectors connected with the graphene electric heating film.
6. The disposable sterilizable reusable surgical warming wrap of claim 2, wherein, The electric connectors are used for connecting an external electric control box.
7. The disposable sterilizable reusable surgical warming wrap of claim 1 wherein, The electric control box supplies power to the graphene electric heating film.
8. The disposable, sterilizable, reusable, surgical warming wrap of claim 1, wherein, At least one temperature sensor is arranged between the outer surface layer and the intermediate warm-keeping layer.
9. The disposable, sterilizable, reusable, surgical warming wrap of claim 1, wherein, The electric control box is used for controlling and adjusting the heating temperature of the graphene electric heating film according to the temperature value monitored by the temperature sensor. The coat has a collar area provided with a connecting belt for wearing the coat on the neck of the human body. The surface of the outer surface layer is coated with a nano antibacterial coating. The nano antibacterial coating comprises a metal-based antibacterial agent. The edges of the coat are provided with positioning belts. The free ends of the positioning belts are provided with magnetic accessories for being adsorbed and fixed to the edges of an operating table. The outer surface layer is provided with an RFID tag. The RFID tag has unique information of the coat. The coat has two linear incisions arranged in the width direction of the coat. The two incisions are used for the arms of the patient to extend out.