Artificial limb heating device
By designing a heating device on the prosthesis and using an electric heating wire and Bluetooth control module to regulate the temperature, the problem of large temperature differences in the prosthesis in cold environments is solved, improving user comfort and reducing the impact on the amputation site.
Patent Information
- Application Number
- CN202422869147.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-11-25
AI Technical Summary
In winter or cold environments, the temperature difference between the prosthesis and the human body is large, which affects the user experience and has an adverse effect on the amputation site.
Design a prosthetic heating device comprising a base, a heating layer, an insulation layer, and a protective layer. It achieves temperature regulation and monitoring of the prosthesis by heating with an electric heating wire and combining a Bluetooth control module and a temperature sensor.
It effectively reduces the temperature difference between the prosthesis and the human body, improves user comfort, and reduces the negative impact on the amputation site.
Smart Images

Figure CN223640901U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of maintenance, in particular to a prosthetic heating device. BACKGROUND
[0002] Prostheses, also known as artificial limbs, are artificial prostheses specially designed and made for amputees or partially disabled limbs. Their main function is to replace the lost part of the body and restore some self-care and work ability to the amputee. Prostheses are divided into two categories: upper limb prostheses and lower limb prostheses, which can be further divided into full arm and shoulder prostheses, above-elbow prostheses, below-elbow prostheses, finger prostheses, hip prostheses, above-knee prostheses, below-knee prostheses and foot prostheses.
[0003] The materials of prostheses usually include aluminum plates, wood, leather, plastic, etc., and the mainstream materials are titanium alloy and carbon fiber.
[0004] In winter or cold environment, the prosthesis is affected by temperature, and the temperature difference between the prosthesis and the human body is large, which affects the wearing experience, and the large temperature difference is not beneficial to the amputation of the amputee. INVENTION CONTENT
[0005] The utility model discloses a prosthetic heating device to solve the above-mentioned problems existing in the prior art.
[0006] Technical scheme: a prosthetic heating device, comprising:
[0007] A base body and a cable connected to the base body;
[0008] The base body is wrapped around the prosthesis, the cable is provided with a controller, and the end of the cable is provided with an electrified connector;
[0009] The base body comprises, in order from the contact surface of the prosthesis to the non-contact surface, an anti-slip layer, a heat preservation layer, a heating layer, a heat preservation layer and a protective layer; the anti-slip layer, the heat preservation layer, the heating layer, the heat preservation layer and the protective layer are all flexible materials;
[0010] The heating layer is provided with an electric heating wire;
[0011] The end of the base body is provided with a connecting piece.
[0012] The protective layer is made of waterproof material, and the heat preservation layer has heat preservation cotton.
[0013] The utility model discloses a heating layer in the base body, and a heat preservation layer is designed to preserve heat. The base body is wrapped around the surface of the contact between the prosthesis and the patient, and the electric heating wire is used to complete the heating, so as to heat the prosthesis, avoid the large temperature difference between the prosthesis and the patient, improve the user's experience, and reduce the influence of the large temperature difference on the patient's amputation.
[0014] The substrate contains a PCB board and a control processor and a Bluetooth control module connected to the PCB board.
[0015] The Bluetooth control module is connected to the control processor. Through the design of the Bluetooth module, the operation of the electric heating wire can be controlled by a mobile terminal.
[0016] The heating wire is connected to the PCB board;
[0017] The cable is connected to the PCB board. The controller consists of a temperature control switch with a temperature display and a timer switch. The temperature control switch and the timer switch control the control processor, and the control processor controls the operation of the electric heating wire.
[0018] The electrical connector includes a 12-volt power adapter. The electrical connector can include various types, depending on the actual usage. The 12-volt power adapter is connected to an external 12-volt power bank.
[0019] The substrate is also equipped with a temperature sensor that is connected to the PCB board. It can be set on the protective layer and directly contact the prosthesis to detect the temperature information of the prosthesis. The sensor converts the information into an electrical signal and transmits it to the control processor for feedback to the temperature control switch with temperature display, so that the user can view the temperature information in real time.
[0020] The control processor is disposed on the heating layer.
[0021] A perforation is provided at the edge of the anti-slip layer, through which the cable passes and connects to the PCB board.
[0022] In a further embodiment, the surface of the anti-slip layer is provided with a plurality of anti-slip contact points.
[0023] In a further embodiment, the surface of the anti-slip layer is provided with multiple suction cups.
[0024] In a further embodiment, the connector includes a hook and loop male surface and a hook and loop female surface respectively disposed at both ends of the base.
[0025] The male and female sides of the hook and loop fasteners are sewn onto any one or more layers of the anti-slip layer, insulation layer, heating layer, and protective layer using elastic fabric.
[0026] In a further embodiment, the connector includes a male snap-fit connector and a female snap-fit connector respectively disposed at both ends of the base and adapted to each other.
[0027] The male and female buckles are sewn onto any one or more layers of the anti-slip layer, insulation layer, heating layer, and protective layer using elastic fabric.
[0028] In a further embodiment, the male snap fastener has a predetermined shape;
[0029] The snap-fit female includes:
[0030] The female head housing has a first limiting block and a second limiting block inside, which together form a moving channel of a predetermined shape.
[0031] A female head bracket is disposed inside the female head housing and is adapted to the female head housing. The end of the female head bracket is provided with a female head locking arm adapted to the male head buckle, a female head swing arm hinged to the female head locking arm, a female head slider disposed at the end of the female head swing arm and adapted to the moving channel, and a female head spring connected to the female head bracket and abutting against the female head housing.
[0032] Beneficial effects: This utility model discloses a prosthesis heating device. This utility model designs a heating layer in the substrate and a heat preservation layer to keep it warm. The substrate is wrapped around the surface of the prosthesis in contact with the patient. Heating is completed by electric heating wire, thereby heating the temperature of the prosthesis. This avoids a large temperature difference between the prosthesis and the patient's body temperature, improves the user experience, and reduces the impact of a large temperature difference when wearing a prosthesis on the amputation site. Attached Figure Description
[0033] Figure 1 This is a schematic diagram of the structure of this utility model.
[0034] Figure 2 This is a cross-sectional schematic diagram of the present invention.
[0035] Figure 3 This is a schematic diagram of the heating layer structure of this utility model.
[0036] Figure 4 This is a schematic diagram of the anti-slip component of this utility model.
[0037] Figure 5 This is a schematic diagram of the connector of this utility model.
[0038] Figure 6 This is a schematic diagram of the snap-fit female head structure of this utility model.
[0039] The attached figures are labeled as follows:
[0040] 1. Prosthetic limbs;
[0041] 2. Matrix; 21. Protective layer;
[0042] 22. Insulation layer;
[0043] 23. Heating layer; 231. Heating wire; 232. Control processor;
[0044] 24. Anti-slip layer; 241. Anti-slip contact point; 242. Suction cup; 243. Male snap fastener;
[0045] 244. Snap-on female head; 2441. Female head locking arm; 2442. Female head frame; 2443. Female head spring; 2444. Female head swing arm; 2445. Female head slider; 2446. Female head housing; 2447. First limiting block; 2447A. Blocking slope; 2448. Second limiting block; 2449. Moving channel;
[0046] 245. Male side of the hook and loop fastener; 246. Female side of the hook and loop fastener;
[0047] 3. Cables; 4. Controller; 5. Power connectors. Detailed Implementation
[0048] This application relates to a prosthetic heating device, which will be explained in detail below through specific embodiments.
[0049] A prosthetic heating device, comprising:
[0050] The base 2, and the cable 3 connected to the base 2;
[0051] The base 2 is wrapped around the prosthesis 1, and the cable 3 is equipped with a controller 4 and a power connector 5 at the end of the cable 3.
[0052] The substrate 2 includes, in sequence from the contact surface with the prosthesis 1 to the non-contact surface, an anti-slip layer 24, a heat insulation layer 22, a heating layer 23, a heat insulation layer 22, and a protective layer 21; the anti-slip layer 24, the heat insulation layer 22, the heating layer 23, the heat insulation layer 22, and the protective layer 21 are all made of flexible materials;
[0053] The heating layer 23 is equipped with an electric heating wire 231;
[0054] The end of the base 2 is provided with a connector.
[0055] The protective layer 21 is made of waterproof material, and the insulation layer 22 contains insulation cotton.
[0056] This invention designs a heating layer 23 inside the base 2 and a heat insulation layer 22 for heat preservation. The base 2 is wrapped around the surface of the prosthesis 1 at the contact point with the patient. Heating is completed by an electric heating wire 231, thereby heating the temperature of the prosthesis 1. This avoids a large temperature difference between the prosthesis 1 and the patient's body temperature, improves the user experience, and reduces the impact of a large temperature difference when using the prosthesis 1 on the patient's amputation site.
[0057] The substrate 2 is provided with a PCB board for connecting a control processor 232 and a Bluetooth control module;
[0058] The Bluetooth control module is connected to the control processor 232. Through the design of the Bluetooth module, the operation of the electric heating wire 231 can be controlled by a mobile terminal.
[0059] The electric heating wire 231 is connected to the PCB board;
[0060] The cable 3 is connected to the PCB board. The controller 4 consists of a temperature control switch with a temperature display and a timer switch. The temperature control switch and the timer switch control the control processor 232, and the control processor 232 controls the operation of the electric heating wire 231.
[0061] The electrical connector includes a 12-volt power adapter. The electrical connector can include various types, depending on the actual use. The 12-volt power adapter is connected to a 12-volt portable power source for power supply.
[0062] The substrate 2 is also provided with a temperature sensor connected to the PCB board. It can be set on the protective layer 21 and directly contact the prosthesis 1. It is used to detect the temperature information of the prosthesis 1 and convert the information into an electrical signal to be transmitted to the control processor 232 for feedback to the temperature control switch with temperature display, so that the user can view the temperature information in real time.
[0063] The control processor 232 is disposed on the heating layer 23;
[0064] The anti-slip layer 24 has a perforation at its edge, through which the cable 3 passes and connects to the PCB board.
[0065] By designing the anti-slip layer 24, the substrate 2 is prevented from slipping off after being wrapped around the prosthesis 1;
[0066] By designing connectors, the first and second ends of the base 2 are connected.
[0067] Example 1:
[0068] The surface of the anti-slip layer 24 is provided with multiple anti-slip contact points 241.
[0069] The connector includes a hook and loop male face 245 and a hook and loop female face 246 respectively disposed at both ends of the base 2.
[0070] The hook and loop fastener male side 245 and hook and loop fastener female side 246 are sewn onto any one or more layers of the anti-slip layer 24, the heat insulation layer 22, the heating layer 23, and the protective layer 21 using elastic fabric.
[0071] Working principle description: During operation, the base body 2 is wrapped around the prosthesis 1. The base body 2 is fixed by the male side 245 and the female side 246 of the hook and loop fastener. At the same time, the anti-slip contact point 241 contacts the limb to prevent the base body 2 from slipping. Then, the electric heating wire 231 heats the prosthesis 1.
[0072] Example 2:
[0073] The surface of the anti-slip layer 24 is provided with multiple suction cups 242.
[0074] The connector includes a hook and loop male face 245 and a hook and loop female face 246 respectively disposed at both ends of the base 2.
[0075] The hook and loop fastener male side 245 and hook and loop fastener female side 246 are sewn onto any one or more layers of the anti-slip layer 24, the heat insulation layer 22, the heating layer 23, and the protective layer 21 using elastic fabric.
[0076] Working principle description: During operation, the base 2 is wrapped around the prosthesis 1. The base 2 is fixed by the male side 245 and the female side 246 of the hook and loop fastener. At the same time, the prosthesis 1 is attracted by the suction cup 242 to prevent the base 2 from slipping off. The prosthesis 1 is then heated by the electric heating wire 231.
[0077] Example 3:
[0078] The surface of the anti-slip layer 24 is provided with multiple anti-slip contact points 241.
[0079] The connector includes a male snap-fit connector 243 and a female snap-fit connector 244 respectively disposed at both ends of the base 2 and adapted to each other.
[0080] The male buckle 243 and female buckle 244 are sewn onto any one or more layers of the anti-slip layer 24, the insulation layer 22, the heating layer 23, and the protective layer 21 using elastic fabric.
[0081] The male buckle 243 has a predetermined shape;
[0082] The snap-fit female head 244 includes:
[0083] The female head housing 2446 is provided with a first limiting block 2447 and a second limiting block 2448 inside the female head housing 2446. The first limiting block 2447 and the second limiting block 2448 form a moving channel 2449 of a predetermined shape. The female head housing 2446 has a through hole adapted to the moving channel 2449.
[0084] The first limiting block 2447 is provided with a blocking slope 2447A. The design of the blocking slope 2447A prevents the female head slider 2445 from moving in the opposite direction from point B to point A when it moves downward from point A.
[0085] A female head bracket 2442 is disposed inside the female head housing 2446 and adapted to the female head housing 2446. The end of the female head bracket 2442 is provided with a female head locking arm 2441 adapted to the male head 243, a female head swing arm 2444 hinged to the female head locking arm 2441, a female head slider 2445 disposed at the end of the female head swing arm 2444 and adapted to the moving channel 2449, and a female head spring 2443 connected to the female head bracket 2442 and abutting against the female head housing 2446.
[0086] Working principle description: During operation, the base body 2 is wrapped around the prosthesis 1. The base body 2 is fixed by the interlocking of the male and female fasteners 243 and 244. At the same time, the anti-slip contact 241 contacts the limb to prevent the base body 2 from slipping. The electric heating wire 231 then heats the prosthesis 1.
[0087] When inserting the male snap-fit connector 243 and the female snap-fit connector 244, as shown in the attached diagram... Figure 6 As shown, when the male latch 243 abuts against the female latch frame 2442, it causes the female latch spring 2443 to retract into the female latch housing 2446. During retraction, the female latch arm 2441 is restricted by the female latch housing 2446 to close, thus locking the male latch 243. When the female latch arm 2441 closes, the female latch swing arm 2444 is affected by the female latch slider 2445 and the second limit block 2448, and moves along the second limit block 2448 until it moves according to... Figure 6 The direction of movement is from point A to point B, and then it is fixed.
[0088] When it is necessary to release, press the male latch 243 again. At this time, the female latch arm 2444 and the female latch ball 2445 continue to move, affected by the blocking slope 2447A, according to the attached... Figure 6 The movement direction is from point B to point A, completing the release;
[0089] If the device encounters a jam or does not move along the designated path, the user can manually adjust it.
[0090] Example 4:
[0091] The surface of the anti-slip layer 24 is provided with multiple suction cups 242.
[0092] The connector includes a male snap-fit connector 243 and a female snap-fit connector 244 respectively disposed at both ends of the base 2 and adapted to each other.
[0093] The male buckle 243 and female buckle 244 are sewn onto any one or more layers of the anti-slip layer 24, the insulation layer 22, the heating layer 23, and the protective layer 21 using elastic fabric.
[0094] The male buckle 243 has a predetermined shape;
[0095] The snap-fit female head 244 includes:
[0096] The female head housing 2446 is provided with a first limiting block 2447 and a second limiting block 2448 inside the female head housing 2446. The first limiting block 2447 and the second limiting block 2448 form a moving channel 2449 of a predetermined shape. The female head housing 2446 has a through hole adapted to the moving channel 2449.
[0097] The first limiting block 2447 is provided with a blocking slope 2447A. The design of the blocking slope 2447A prevents the female head slider 2445 from moving in the opposite direction from point B to point A when it moves downward from point A.
[0098] A female head bracket 2442 is disposed inside the female head housing 2446 and adapted to the female head housing 2446. The end of the female head bracket 2442 is provided with a female head locking arm 2441 adapted to the male head 243, a female head swing arm 2444 hinged to the female head locking arm 2441, a female head slider 2445 disposed at the end of the female head swing arm 2444 and adapted to the moving channel 2449, and a female head spring 2443 connected to the female head bracket 2442 and abutting against the female head housing 2446.
[0099] During operation, the base 2 is wrapped around the prosthesis 1, and the base 2 is fixed by the interlocking of the male and female fasteners 243 and 244. At the same time, the prosthesis 1 is attracted by the suction cup 242 to prevent the base 2 from slipping off, and the prosthesis 1 is heated by the electric heating wire 231.
[0100] When inserting the male snap-fit connector 243 and the female snap-fit connector 244, as shown in the attached diagram... Figure 6 As shown, when the male latch 243 abuts against the female latch frame 2442, it causes the female latch spring 2443 to retract into the female latch housing 2446. During retraction, the female latch arm 2441 is restricted by the female latch housing 2446 to close, thus locking the male latch 243. When the female latch arm 2441 closes, the female latch swing arm 2444 is affected by the female latch slider 2445 and the second limit block 2448, and moves along the second limit block 2448 until it moves according to... Figure 6 The direction of movement is from point A to point B, and then it is fixed.
[0101] When it is necessary to release, press the male latch 243 again. At this time, the female latch arm 2444 and the female latch ball 2445 continue to move, affected by the blocking slope 2447A, according to the attached... Figure 6 The movement direction is from point B to point A, completing the release;
[0102] If the device encounters a jam or does not move along the designated path, the user can manually adjust it.
[0103] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention, and all such equivalent transformations fall within the protection scope of the present invention.
Claims
1. A prosthetic limb heating device, comprising: The substrate (2) and the cable (3) connected to the substrate (2); The feature is that the base (2) is wrapped around the prosthesis (1), the cable (3) is provided with a controller (4), and the end of the cable (3) is provided with a power connector (5); The substrate (2) includes, in sequence from the contact surface with the prosthesis (1) to the non-contact surface, an anti-slip layer (24), a heating layer (23), a heat insulation layer (22), and a protective layer (21); An electric heating wire (231) is provided inside the heating layer (23); The end of the base (2) is provided with a connector.
2. The prosthetic (1) heating device according to claim 1, characterized in that: The surface of the anti-slip layer (24) is provided with multiple anti-slip contact points (241).
3. The prosthetic (1) heating device according to claim 1, characterized in that: The surface of the anti-slip layer (24) is provided with multiple suction cups (242).
4. The prosthetic (1) heating device according to claim 1, characterized in that: The connector includes a hook and loop male surface (245) and a hook and loop female surface (246) respectively disposed at both ends of the base (2).
5. A prosthesis (1) heating device according to claim 1, characterized in that: The connector includes a male snap-fit connector (243) and a female snap-fit connector (244) respectively disposed at both ends of the base (2) and adapted to each other.
6. A prosthesis (1) heating device according to claim 5, characterized in that: The male snap fastener (243) has a predetermined shape; The snap-fit female head (244) includes: The female head housing (2446) is provided with a first limiting block (2447) and a second limiting block (2448) inside the female head housing (2446), and the first limiting block (2447) and the second limiting block (2448) form a moving channel (2449) of a predetermined shape. A female head bracket (2442) is disposed inside the female head housing (2446) and adapted to the female head housing (2446). The end of the female head bracket (2442) is provided with a female head locking arm (2441) adapted to the male head (243), a female head swing arm (2444) hinged to the female head locking arm (2441), a female head slider (2445) disposed at the end of the female head swing arm (2444) and adapted to the moving channel (2449), and a female head spring (2443) connected to the female head bracket (2442) and abutting against the female head housing (2446).