WO2022237496A1

WO2022237496A1 - Graphene physiotherapy elbow pad

Info

Publication number: WO2022237496A1
Application number: PCT/CN2022/088314
Authority: WO
Inventors: 范存义; 钱运; 严至文; 宋家林; 王美丽
Original assignee: 上海市第六人民医院
Priority date: 2021-05-10
Filing date: 2022-04-21
Publication date: 2022-11-17
Also published as: LU502025A1; CN113262398A; LU502025B1

Abstract

The present invention provides a graphene physiotherapy elbow pad, comprising: a high-elasticity elbow pad body which comprises a surface layer, a middle layer, and an inner layer, the inner layer being in contact with skin; a telescopic heating module provided in the middle layer and used for performing heating physiotherapy on the elbow; a temperature control module provided in the middle layer and used for controlling the telescopic heating module to perform heating physiotherapy on the elbow in a preset temperature interval; a sweat absorbing part detachably provided on the surface of the inner layer in contact with the skin; and a fixing part provided on the surface layer and used for surrounding and fixing the high-elasticity elbow pad body to an elbow joint. The graphene physiotherapy elbow pad provided by the present invention solves the problem that heating materials of other elbow heating physiotherapy products are difficult to stretch when joints move, and the heating function of graphene heating filaments is more excellent; an intelligent temperature control system can effectively prevent the overheating problem in a physiotherapy process; and the sweat absorbing part can solve the problem of sweat in the physiotherapy process, such that the graphene physiotherapy elbow pad is more comfortable to use.

Description

A kind of graphene physiotherapy elbow support

technical field

The invention relates to the technical field of physiotherapy medical equipment, in particular to a graphene physiotherapy elbow protector.

Background technique

Elbow joint strain is a relatively common disease in orthopedic surgery, characterized by soreness and pain in the elbow joint caused by non-acute injury. The pathology mainly includes lateral epicondylitis of humerus, medial epicondylitis of humerus, olecranon bursitis, etc. The main causes of the disease include long-term improper posture, overuse of elbow joint, impact and other external injuries. The treatment of this disease is mainly conservative treatment, mainly including closed needle injection and subsequent physical therapy rehabilitation. Among them, continuous physical therapy is particularly important. It has the advantages of non-invasive, non-traumatic, continuous curative effect and prevention of recurrence of elbow joint strain. Therefore, people pay more and more attention to the physical therapy of chronic elbow injury. For the physical therapy of the strained elbow joint, it is usually necessary to wear elbow pads on the elbow, but the existing elbow pads are mainly designed for sports protection and labor protection, and there is no elbow pad with physiotherapy function. Patients generally use traditional physiotherapy instruments instead. However, traditional physiotherapy instruments are not designed for elbow joint physiotherapy, and the wearing experience is poor. In addition, traditional physiotherapy instruments generally use heating resistance wires, which have poor heating effects and are difficult to achieve intelligent temperature control. . In addition, the sweat produced by physiotherapy will also affect the experience of using the physiotherapy device.

The principle of graphene heating is based on the characteristics of single-layer graphene. First of all, graphene is the material with the highest thermal conductivity so far. It has very good thermal conductivity. The superconductivity of vinyl material ensures stable heating performance. At present, there are graphene heating pads and other products in the market, which use graphene instead of traditional resistance wire for heating, which is more practical.

Contents of the invention

Aiming at the defects of the prior art, the present invention provides a graphene physiotherapy elbow protector.

The present invention adopts the following technical solutions for solving the problems of the technologies described above:

The invention provides a graphene physiotherapy elbow support, comprising:

The body of the high-elastic elbow pad includes the surface layer, the middle layer and the inner layer; the inner layer is in contact with the skin;

The retractable heating module is set in the middle layer to heat and treat the elbow;

The temperature control module is arranged in the middle layer, and is used to control the stretchable heating module to perform heating and physiotherapy on the elbow within a preset temperature range;

a sweat-absorbing member detachably disposed on the skin-contacting side of the inner layer; and

The fixing part is arranged on the surface layer, and is used to surround and fix the body of the high-elastic elbow pad at the elbow joint;

Among them, the scalable heating module includes:

Multiple graphene heating filaments for thermal therapy;

A plurality of elastic parts, graphene heating filaments are arranged around the elastic parts, which can expand and contract with the elastic parts;

The first control unit is connected to a plurality of graphene heating filaments and a temperature control module, and controls the graphene heating filaments to start or close; and

The first power supply is connected to the first control unit and the graphene heating filament.

Further, the elastic component is an ultra-fine spring wire, which is twisted in a "Z" shape and can be stretched and stretched.

Further, the graphene heating filament is bent and accompanied around the ultra-fine spring wire; the graphene heating filament is provided with multiple fixed points, and the fixed points are glued and fixed on the ultra-fine spring wire to form a "Z" The midpoint between the corners of the shape.

Further, the temperature control module includes:

A plurality of temperature detection components are used to detect and send the temperature information in the graphene physiotherapy elbow pad;

The analog-to-digital conversion unit is connected to multiple temperature detection components, and the received temperature information is converted into a signal and sent;

The second control unit is connected to the analog-to-digital conversion unit and the first control unit to receive signals and send control signals to the first control unit; and

The second power supply is connected to multiple temperature detection components, the analog-to-digital conversion unit and the second control unit.

Further, the temperature control module also includes a remote control unit connected to the second control unit and the second power supply for remote adjustment of the temperature range.

Further, the temperature detection component is a temperature sensor made of graphene.

Furthermore, the surface layer and the inner layer are three-dimensionally woven by polyurethane nanofibers, which have elasticity.

Further, the preparation method of polyurethane nanofiber comprises the following steps:

Step 1, using tetrahydrofuran and N,N-dimethylformamide as solvents to dissolve polyurethane, prepare a polyurethane solution, and then stir at a constant speed to form a uniformly mixed suspension;

Step 2, electrospinning to prepare a polyurethane nanofiber membrane;

Step 3, cutting the polyurethane nanofiber membrane into pieces, adding tert-butanol, rotating and stirring to break up and dissolve the pieces to form a solution, and then freeze-drying the solution;

Step 4, soaking in glutaraldehyde after freeze-drying for cross-linking, and continuing freeze-drying after cross-linking to obtain polyurethane nanofibers.

Further, the sweat-absorbing component is a replaceable sweat-absorbing patch.

Further, the sweat-absorbing patch is made of blended fibers of cotton and spandex.

Further, the fixing parts include:

a fixing strap disposed on one side of the surface; and

The fixing ring is arranged on the other side of the surface layer;

The high-elastic elbow protector body surrounds the elbow, and the fixing belt passes through the fixing ring to fix the high-elastic elbow protector body on the elbow.

Further, the middle layer includes a plurality of partitions, and each partition is respectively provided with a graphene heating filament, an elastic component and a temperature detection component.

The present invention adopts the above technical scheme, and compared with the prior art, it has the following technical effects:

The graphene physiotherapy elbow support provided by the present invention is made of a high-elastic elbow support body to connect the surface layer and the inner layer, and a middle layer is formed therebetween. The middle layer is provided with a scalable heating module and a temperature control module, and the inner layer is provided with a replaceable sweat-absorbing patch. The high-elastic elbow support body made of 3D woven high-elastic polyurethane nanofibers can facilitate the movement of the elbow joint and is suitable for wearing; the stretchable heating system can solve the heat-generating materials caused by joint activities in other elbow heating physiotherapy products in the prior art Stretching is difficult. No matter how the elbow pad is stretched, the heating module can be stretched and deformed accordingly, without affecting the heating function. The heating function of the graphene heating filament is better than that of the traditional resistance sheet, with fast heat conduction and stable temperature; The intelligent temperature control system can effectively prevent overheating problems during physical therapy; the replaceable sweat-absorbing patch can solve the problem of sweat accumulation during physical therapy, making the use of graphene physical therapy elbow pads more comfortable.

Description of drawings

Fig. 1 is a schematic diagram when wearing the graphene physiotherapy elbow support provided by an embodiment of the present invention;

Fig. 2 is the structural representation of the inner layer in the graphene physiotherapy elbow support provided by an embodiment of the present invention;

Fig. 3 is the structural representation of the surface layer in the graphene physiotherapy elbow support provided by an embodiment of the present invention;

4 is a schematic diagram of a scalable heating module in a graphene physiotherapy elbow support provided by an embodiment of the present invention;

Fig. 5 is the schematic diagram of the temperature control module in the graphene physiotherapy elbow support provided by an embodiment of the present invention;

Wherein the reference signs are: 10-high elastic elbow support body, 11-surface layer, 12-inner layer, 13-middle layer, 14-fixed part, 141-fixed belt, 142-fixed ring, 15-sweat-absorbing part, 20- Scalable heating module, 21-graphene heating filament, 22-elastic component, 23-first control unit, 24-first power supply, 30-temperature control module, 31-temperature detection component, 32-analog-to-digital conversion unit, 33-second control unit, 34-second power supply, 35-remote control unit.

Detailed ways

The present invention provides a graphene physiotherapy elbow support. The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings to better understand the present invention, but does not limit the scope of the present invention.

As shown in FIGS. 1 to 3 , the present invention provides a graphene physiotherapy elbow support, which includes a high-elastic elbow support body 10 , a scalable heating module 20 and a temperature control module 30 . The high elastic elbow support body 10 includes a surface layer 11, a middle layer 13 and an inner layer 12, and the inner layer 12 is a layer in contact with the skin. The surface layer 11 and the inner layer 12 are integrally structured, and the space between them is a hollow structure, forming the middle layer 13, and the scalable heating module 20 and the temperature control module 30 are both arranged in the middle layer.

The surface layer 11 and the inner layer 12 are three-dimensionally woven by polyurethane nanofibers and have elasticity. The polyurethane nanofibers used in the present invention are prepared by the following preparation method: use electrospinning equipment SS-2535H, Ucalery to prepare nanofibers, use tetrahydrofuran and N,N-dimethylformamide as solvents, and use a ratio of 3:1 Dissolve polyurethane 10514005, WEICON, and configure it into a 10% polyurethane solution. Use a magnetic stirrer 81-2, and Shanghai Shile to stir at 800rpm for 48 hours to prepare a well-mixed suspension. At room temperature 24°C, spinning voltage 12kV, acceptance distance 13cm Electrospinning was carried out under the condition of spinning liquid flow rate of 0.3mm/min, and the spinning time was 6 hours to prepare polyurethane nanofiber membrane. Use a cutting die to cut the fiber film into 1cm × 1cm pieces, add it to a beaker containing 100ml of tert-butanol, use a high-speed homogenizer to homogenize the film at a speed of 12000rpm for 15 minutes, and place the solution in a 3mm, Put it in a cylindrical mold with a length of 35 cm, put it in a freeze dryer for 48 hours until it is completely freeze-dried, and then soak it in glutaraldehyde for 10 minutes to cross-link, rinse with deionized water and continue to freeze-dry for 48 hours to obtain a 3D nanofiber braid The material is used for three-dimensional weaving of the high-elastic elbow support body 10 . The polyurethane fiber prepared by the above preparation method has a nano-structure, which makes the high elastic elbow support body 10 prepared by weaving have better elasticity.

As shown in FIG. 4 , the stretchable heating module 20 is used for thermal therapy on the elbow, which includes a plurality of graphene heating filaments 21 , a plurality of elastic components 22 , a first control unit 23 and a first power supply 24 . The elastic member 22 is specifically an ultra-fine spring wire, and is twisted in a "Z" shape, which can be stretched or shortened. The graphene heating filament 21 bends and surrounds and travels around the ultrafine spring wire; the graphene heating filament 21 is provided with a plurality of fixed points, and the fixed point is fixed to the ultrafine spring wire by using polytetrafluoroethylene bonding The middle point between the formed "Z"-shaped knuckles makes the graphene heating filament 21 bonded and cross-linked with the elastic member 22, which can expand and contract with the elastic member 22. When the graphene physiotherapy elbow is worn on the elbow, Since the elbow is a curved surface, the graphene physiotherapy elbow protector will bend and stretch when the arm is flexed and stretched. Since the graphene heating filament 21 can be stretched and deformed along with the elastic member 22, the stretchable heating module 20 can be stretched when the elbow is stretched and deformed. The heating function will not be affected, and the patient does not need to keep the arm stretched posture when using the graphene physiotherapy elbow pad provided by the invention, which is more comfortable.

The first control unit 23 is connected to a plurality of graphene heating filaments 21 and the temperature control module 30 , and controls the graphene heating filaments 21 to start heating or turn off under the control of the temperature control module 30 . The first power supply 24 is connected to the first control unit 23 and the graphene heating filament 21 and provides power.

As shown in Figure 5, the temperature control module 30 is arranged in the middle layer 13, in order to control the extensible heating module 20 to carry out heating physiotherapy to the elbow in a preset temperature range, which includes a plurality of temperature detection components 31, a module A conversion unit 32 , a second control unit 33 and a second power source 34 . A plurality of temperature detection components 31 are arranged in the middle layer 13 to detect the temperature information in the graphene physiotherapy elbow and send it to the analog-to-digital conversion unit 32; the analog-to-digital conversion unit 32 is connected to a plurality of temperature detection components 31 to receive the temperature The information is converted into a signal and sent to the second control unit 33; the second control unit 33 connects the analog-to-digital conversion unit 32 and the first control unit 23, compares the signal with a preset temperature range, and sends a control signal to The first control unit 23 . The second power supply 34 provides power for the temperature detection component 31 , the analog-to-digital conversion unit 32 and the second control unit 33 .

The temperature control module 30 is configured to start together with the scalable heating module 20 to control the temperature of the scalable heating module 20 . Specifically, the temperature detection part 31 detects the temperature information in the graphene physiotherapy elbow pad and then sends it to the analog-to-digital conversion unit 32 to convert it into a signal, and then sends it to the second control power supply 33, and the temperature information corresponding to the signal is compared with a preset The temperature range is compared, for example, the temperature range is 37°C to 39°C, if the temperature is less than 37°C, the second control unit 33 sends a control signal to the first control unit 23 to start the graphene heating filament 21 for heating If the temperature is greater than 39° C., the second control unit 33 sends a control signal to the first control unit 23 to turn off the heating of the graphene heating filament 21 to cool down, thereby avoiding that the temperature of the scalable heating module 20 is too high, And make the patient feel uncomfortable, can't reach the purpose of physiotherapy treatment.

A plurality of partitions can be set in the middle layer 13, and a graphene heating filament 21, an elastic member 22 and a temperature detection part 31 are respectively arranged in each partition, and heating physiotherapy is carried out separately in each partition, and the temperature detection part 31 can be independently The temperature in each zone is detected and controlled to make the effect of heating therapy more uniform and stable.

The temperature control module 30 also includes a remote control unit 35 connected to the second control unit 33 and the second power supply 34 for remote adjustment of the temperature range. The remote control unit 35 can specifically be equipped with a smart terminal, such as an APP in a smart phone or a smart watch, which is wirelessly connected to the temperature control module 30, and the connection method can be selected from Bluetooth connection, LAN connection or WIFI connection. The preset temperature range can be adjusted through the remote control unit 35, for example, adjusted to 39°C-41°C or 35°C-37°C, etc., which can be adjusted according to the needs of different users to meet the needs of heating physiotherapy at different temperatures.

A sweat-absorbing part 15 is also arranged on the side of the inner layer 12 in contact with the skin, which is specifically a detachable and slippery inner sweat-absorbing patch, composed of 96% cotton and 4% spandex, which can effectively absorb the sweat of the elbow skin during heating and physical therapy. Sweat makes the treatment process more comfortable. The sweat-absorbing part 15 and the inner layer 12 are bonded and fixed and can be replaced, which is more hygienic.

In a preferred embodiment of the present invention, a fixing part 14 is arranged on the surface layer 11. The high elastic elbow support body 10 is in a sheet shape. Fastened at the elbow. The fixing part 14 includes a fixing belt 141 and a fixing ring 142 , the fixing belt 141 is arranged on one side of the surface layer 11 ; the fixing ring 142 is arranged on the other side of the surface layer 11 . One side of the fixing belt 141 is provided with a Velcro surface, and the other surface is provided with a Velcro female surface. The high-elastic elbow support body 10 surrounds and covers the elbow. The fixing belt 141 passes through the fixing ring 142, and the Velcro The sub-surface and the female surface of the velcro are bonded and fixed, so that the high-elastic elbow support body 10 is fixed on the elbow. There are multiple fixing parts 14. In a preferred embodiment of the present invention, there are three fixing parts 14, which are respectively arranged on the end of the high elastic elbow support body 10 corresponding to the end close to the upper arm, the elbow joint and the end close to the forearm. , is more stable.

The present invention solves the problem that the elbow joint physiotherapy instrument cannot flexibly flexibly follow the joint. In addition, it is equipped with a temperature control module 30 to facilitate the user to use the physiotherapy instrument during work and rest. The sweat-absorbing patch 15 can be replaced and can be disassembled and cleaned. , which improves the user experience,

The principle of graphene physiotherapy elbow support to relieve elbow joint strain is to promote the ability of microvascular circulation in the elbow. The etiology of elbow joint strain is the tension and stiffness of local ligaments, tendons, and muscle tissue caused by long-term improper posture, excessive use of the elbow joint, or trauma such as impact, resulting in microcirculation occlusion, poor local metabolism, and the resulting accumulation of inflammatory factors. If things go on like this, the patient will have a soreness and pain in the elbow joint. Equipped with thin graphene wires in the elbow pads for local long-lasting and moderate hyperthermia, it can expand the local contracted microvessels, relax the stiff ligaments, tendons, and muscle tissues, reduce the local circulatory resistance, increase blood flow, and make the capillaries of the elbow joint The backflow of the pipe network is increased and accelerated, and the exudate diffuses freely, thereby accelerating the absorption of local inflammatory factors, thereby reducing the stimulation of inflammatory factors on the local nerves of the elbow joint, thereby relieving the patient's soreness and pain. Long-term use of the invention can achieve the effect of gradually improving the symptoms of elbow joint strain.

The specific embodiments of the present invention have been described in detail above, but they are only examples, and the present invention is not limited to the specific embodiments described above. For those skilled in the art, any equivalent modifications and substitutions to this practice are also within the scope of the present invention. Therefore, equivalent changes and modifications made without departing from the spirit and scope of the present invention shall fall within the scope of the present invention.

Claims

A kind of graphene physiotherapy elbow support, is characterized in that, comprises:

The high-elastic elbow support body (10) includes a surface layer (11), a middle layer (13) and an inner layer (12); the inner layer (12) is in contact with the skin;

A retractable heating module (20), arranged in the middle layer (13), is used for heating and physiotherapy to the elbow;

A temperature control module (30), arranged in the middle layer (13), is used to control the stretchable heating module (20) to perform heating and physiotherapy on the elbow within a preset temperature range;

a sweat-absorbing member (15), detachably arranged on the side of the inner layer (12) in contact with the skin; and

A fixing part (14), arranged on the surface layer (11), is used to surround and fix the high elastic elbow support body (10) at the elbow joint;

Wherein, the scalable heating module (20) includes:

A plurality of graphene heating filaments (21) for heating physiotherapy;

A plurality of elastic components (22), the graphene heating filaments (21) are arranged around the elastic components (22), and can expand and contract with the elastic components (22);

The first control unit (23) connects a plurality of said graphene heating filaments (21) and said temperature control module (30), controls said graphene heating filaments (21) to start or close; and

A first power supply (24) is connected to the first control unit (23) and the graphene heating filament (21).
The graphene physiotherapy elbow protector according to claim 1, characterized in that, the elastic member (22) is an ultra-fine spring wire, and is coiled in a "Z" shape, and can be stretched and stretched.
Graphene physiotherapy elbow protector according to claim 2, is characterized in that, described graphene heating filament (21) bends around and accompanies around described ultrafine spring wire; Described graphene heating filament (21) ) is provided with a plurality of fixed points, and the fixed points are bonded and fixed to the middle point between the knuckles of the "Z" shape formed by the ultra-fine spring wire.
Graphene physiotherapy elbow support according to claim 1, is characterized in that, described temperature control module (30) comprises:

A plurality of temperature detection parts (31), in order to detect the temperature information in the described graphene physiotherapy elbow support and send;

An analog-to-digital conversion unit (32), connected to a plurality of temperature detection components (31), receives the temperature information and converts it into a signal and sends it;

A second control unit (33), connected to the analog-to-digital conversion unit (32) and the first control unit (23), receives the signal and sends a control signal to the first control unit (23);

The second power supply (34) is connected to a plurality of the temperature detection components (31), the analog-to-digital conversion unit (32) and the second control unit (33).
Graphene physiotherapy elbow support according to claim 4, is characterized in that, described temperature control module (30) also comprises a remote control unit (35), connects described second control unit (33) and described second A power supply (34), used for remote adjustment of the temperature range.
The graphene physiotherapy elbow protector according to claim 4, characterized in that, the temperature detection component (31) is a temperature sensor made of graphene.
The graphene physiotherapy elbow protector according to claim 1, characterized in that, the surface layer (11) and the inner layer (12) are three-dimensionally woven from polyurethane nanofibers and have elasticity.
Graphene physiotherapy elbow protector according to claim 7, is characterized in that, the preparation method of described polyurethane nanofiber comprises the following steps:

Step 1, using tetrahydrofuran and N,N-dimethylformamide as solvents to dissolve polyurethane, prepare a polyurethane solution, and then stir at a uniform speed to form a uniformly mixed suspension;

Step 2, using the suspension to perform electrospinning to prepare a polyurethane nanofiber membrane;

Step 3, cutting the polyurethane nanofiber membrane into pieces, adding tert-butanol, rotating and stirring to break up and dissolve the pieces to form a solution, and then freeze-drying the solution;

Step 4, soaking in glutaraldehyde after freeze-drying for cross-linking, and continuing freeze-drying after cross-linking to obtain the polyurethane nanofibers.
The graphene physiotherapy elbow protector according to claim 1, wherein the sweat-absorbing component (15) is a replaceable sweat-absorbing patch; the replaceable sweat-absorbing patch is made of blended fibers of cotton and spandex.
Graphene physiotherapy elbow support according to claim 1, is characterized in that, described fixing part (14) comprises:

a fixing band (141), arranged on one side of the surface layer (11); and

a fixing ring (142), arranged on the other side of the surface layer (11);

The high elastic elbow protector body (10) surrounds the elbow, and the fixing belt (141) passes through the fixing ring (142) to fix the high elastic elbow protector body (10) on the elbow.