CN111068179A - Flexible passive wireless electric stimulation patch and method - Google Patents
Flexible passive wireless electric stimulation patch and method Download PDFInfo
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- CN111068179A CN111068179A CN202010010807.9A CN202010010807A CN111068179A CN 111068179 A CN111068179 A CN 111068179A CN 202010010807 A CN202010010807 A CN 202010010807A CN 111068179 A CN111068179 A CN 111068179A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
- A61H39/002—Using electric currents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0408—Use-related aspects
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0492—Patch electrodes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
- A61N1/3603—Control systems
- A61N1/36034—Control systems specified by the stimulation parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
Abstract
The embodiment of the invention discloses a flexible passive radio stimulation patch, which comprises: the device comprises a substrate layer, a near-field communication assembly, a control circuit assembly, an adhesion layer and an electrical stimulation electrode; the near field communication assembly comprises a near field communication coil used for acquiring wirelessly transmitted energy from a mobile terminal with a near field communication function or equipment with a radio frequency function, and the energy is processed by a near field communication driving chip and then outputs stable power; the control circuit component comprises a microcontroller, a digital-to-analog conversion chip and a waveform generating circuit, wherein the digital-to-analog conversion chip converts a digital signal sent by the microcontroller into an analog voltage signal, and the waveform generating circuit converts the analog voltage signal into a corresponding waveform; the adhesive layer is fixed on the lower surface of the substrate layer; the electric stimulation electrode is printed on the same side of the adhesion layer; the stable power is transmitted to the electrical stimulation electrode through the analog-to-digital conversion chip and the waveform generation circuit, and the electrical stimulation signal is transmitted to the skin through the electrical stimulation electrode.
Description
Technical Field
The embodiment of the invention relates to a skin electrical stimulation technology, in particular to a flexible passive wireless electrical stimulation patch and a method.
Background
Electrical skin stimulation therapy is an electrical therapy which has been developed in the seventies of the last century and is a method for treating pain or other symptoms by inputting a specific low-frequency pulse current into a human body through the skin. The traditional Chinese medicine composition is clinically used for pain relieving treatment in the United states at the earliest time, and achieves good treatment effect. The skin electrical stimulation is a combination of percutaneous electrical stimulation and acupuncture points of Chinese traditional medicine, and a specific low-frequency pulse current is applied on the surface of the skin. Conventionally, acupuncture and moxibustion and electric needles bring much fear and pricking pain to patients, and especially in the process of needle insertion, children can be difficult to accept the mode, and traditional insertion is replaced by electric stimulation in the using process, so that skin electric stimulation can not leave wounds on the surface of the skin. Relevant scholars also indicate that the electrical needle and skin electrical stimulation have no obvious difference in effect, and the treatment effect can be continued without producing tolerance response.
At present, the skin electrical stimulation is generally realized by a multifunctional electrical therapeutic apparatus, and the multifunctional electrical therapeutic apparatus has the defects of high price, large volume and the like, and most of the multifunctional electrical therapeutic apparatus needs to be operated by professionals in specific places. The invention adopts flexible materials and wireless passive technology, realizes the flexible passive wireless patch type electrical stimulation device by matching with corresponding skin electrical stimulation patch design, has the advantages of wireless passivity, flexibility, attachment, instant use, small volume and convenient operation, and can ensure that a user can use the patch to carry out skin electrical stimulation in different environments at any time and any place.
Disclosure of Invention
The embodiment of the invention aims to provide a solution of a flexible passive wireless electric stimulation patch aiming at the defects of the prior art and products so as to solve the problem that a user carries out skin electric stimulation anytime and anywhere.
The purpose of the invention is realized by the following technical scheme:
the embodiment of the invention provides a flexible passive wireless electric stimulation patch, which comprises: the device comprises a substrate layer, a near-field communication assembly, a control circuit assembly, an adhesion layer and an electrical stimulation electrode;
the near field communication assembly is distributed on the upper surface of the substrate layer and comprises a near field communication coil and a near field communication driving chip, the near field communication coil is used for acquiring wireless transmission energy from a mobile terminal with a near field communication function or equipment with a radio frequency function, and the energy is processed by the near field communication driving chip and then outputs stable power;
the control circuit assembly is distributed on the upper surface of the substrate layer and comprises a microcontroller, a digital-to-analog conversion chip and a waveform generating circuit, the microcontroller sends a digital signal, the digital-to-analog conversion chip converts the digital signal into an analog voltage signal, and the waveform generating circuit converts the analog voltage signal into a corresponding waveform;
the adhesive layer is fixed on the lower surface of the substrate layer and used for fixing the patch on the surface of the skin;
the electric stimulation electrodes are printed on the same side of the adhesion layer, and electric stimulation is applied to the skin through the electrodes;
the stable power is transmitted to the electrical stimulation electrode through the analog-to-digital conversion chip and the waveform generating circuit, and the electrical stimulation signal is transmitted to the skin through the electrical stimulation electrode.
Further, the control assembly also includes an LED light connected to the microcontroller for indicating whether a wireless connection has been established.
Further, the adhesive layer adopts a medical annular adhesive tape.
Further, the waveform generating circuit is a circuit outputting a low current, and transmits a maximum current lower than 10 mA.
Further, the waveform generating circuit is a circuit capable of outputting square waves and triangular waves with the amplitude ranging from 0 to 1 volt, and transmission power, current waveforms, frequency and application time can be adjusted and controlled.
Further, the substrate layer uses a flexible Polyimide (PI) material.
Further, the electrical stimulation electrode is divided into a sheet electrode and a needle electrode.
Further, the material of the electrical stimulation electrode is selected from steel, titanium and nickel.
Further, the needle electrode is prepared by using a Micro Electro Mechanical System (MEMS) process, and is a solid or hollow needle electrode with the length of 10-2000 μm and the diameter of the bottom of the needle of 10-50 μm.
The embodiment of the invention also provides a use method of the flexible passive wireless electric stimulation patch, which has two implementation modes:
implementation mode 1:
1. adhering the flexible passive wireless electric stimulation patch on the surface of the skin or the surface of a related acupuncture point;
2. the method comprises the steps that a mobile terminal is used for conducting electric stimulation parameter setting, and whether the flexible passive wireless electric stimulation patch is in wireless connection with the mobile terminal or not is detected;
3. modifying parameters through the mobile terminal to select the waveform, frequency and stimulation time parameters of the electrical stimulation signal;
4. the mobile terminal is used for controlling the start and the end of applying the electric stimulation, and the mobile terminal sends out corresponding control signals through the near field communication module to generate corresponding electric stimulation signals;
5. and when the user needs to stop in advance, the mobile terminal is used for finishing applying the electric stimulation.
Implementation mode 2:
1. attaching the flexible passive wireless electric stimulation patch to the surface of the skin or the surface of a related acupuncture point;
2. the large coil connected with the programmable radio frequency identification controller is tiled on a plane and needs to be positioned in the plane range of the large coil, the programmable radio frequency identification controller is opened, and whether the flexible passive wireless electric stimulation patch is in wireless connection with the controller or not is detected;
3. selecting the waveform, frequency and stimulation time parameters of the electrical stimulation signal through a controller;
4. the controller is used for controlling the application of the electrical stimulation, and the controller sends out corresponding control signals through the radio frequency module to generate corresponding electrical stimulation signals so as to achieve the effect of applying the stimulation;
5. when the electric stimulation needs to be terminated in advance, the electric stimulation is stopped to be applied through the setting of the controller.
The embodiment of the invention has the following beneficial effects:
the invention provides a flexible passive wireless electric stimulation patch and a method, which realize the application of electric stimulation on the surface of skin. Compared with the traditional percutaneous acupoint electrical stimulation method of the multifunctional electrical therapeutic apparatus, the method can be used together with equipment with a near field communication function, such as a mobile phone, and the like, has a simple operation interface on the mobile phone, and has the advantages of being instant in use, small in size and convenient and fast to operate.
The mobile terminal is used without an additional electrical stimulation device, the skin electrical stimulation process is simplified, the implementation cost of percutaneous acupoint electrical stimulation is reduced, the waveform generation circuit outputs low current, the fear of a user to the percutaneous electrical stimulation can be greatly reduced, and the medical care worker or the individual user can accept the electrical stimulation more easily.
The invention overcomes the defect that the prior percutaneous acupoint electrical stimulation method has higher requirements on users and use places, can complete the operation by using a mobile phone or a radio frequency identification controller with a near-field communication function, has the advantages of convenient operation, quick use, safety and the like, simplifies the electrical stimulation process of skin, and reduces the implementation cost of the electrical stimulation of the skin. According to the advantages, the device and the method can be widely applied to the related field of skin electrical stimulation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic plan view of a flexible passive radio stimulation patch according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a flexible passive radio stimulation patch model according to an embodiment of the present invention;
fig. 3 is a schematic plan view of a flexible passive radio stimulation needle electrode patch provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a flexible passive radio stimulation needle electrode patch model provided by an embodiment of the invention;
fig. 5 is a functional block diagram of a flexible passive radio stimulation patch provided by an embodiment of the present invention;
fig. 6 is a schematic diagram of a waveform output circuit of a flexible passive radio stimulation patch provided by an embodiment of the invention;
fig. 7 is a schematic diagram of a square wave of a flexible passive radio stimulation patch provided by an embodiment of the invention;
fig. 8 is a schematic triangular wave diagram of a flexible passive radio stimulation patch provided by an embodiment of the invention;
fig. 9 is a schematic view of a flexible passive radio stimulation patch embodiment 1 provided by an embodiment of the present invention;
fig. 10 is a schematic diagram of a flexible passive radio stimulation patch embodiment 2 provided by an embodiment of the present invention;
in the figure: the device comprises a near-field communication chip 1, a microcontroller 2, a digital-to-analog conversion chip 3, an electrical stimulation electrode 4, a medical annular adhesive plaster 5, a near-field communication coil 6, an LED lamp 7, a Polyimide (PI) substrate 8, a needle electrode 9, a near-field communication function device 10, an adjustable output waveform 11, an output stimulation adjusting time 12, an output electrical stimulation adjusting frequency 13, an output electrical stimulation adjusting intensity 14, a start button 15, a stop button 16, an electrical stimulation patch 17, a large-scale radio frequency identification coil 18, a radio frequency identification controller 19, a connecting wire 20 and a voltage reducer 21.
Detailed Description
Embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate identical or functionally similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
Furthermore, while the present disclosure has been described in terms of several specific details for purposes of illustration, it will be apparent to those of ordinary skill in the art that the present disclosure may be practiced without some of these specific details, and that some methods and instrumentalities, well known to those skilled in the art, and the use of components and parts may not be described in detail in order to avoid obscuring the subject matter of the present disclosure.
As shown in fig. 1-4, embodiments of the present invention provide a flexible passive wireless electrical stimulation patch, comprising: the device comprises a substrate layer, a near-field communication assembly, a control circuit assembly, an adhesion layer and an electrical stimulation electrode;
the near field communication assembly is distributed on the upper surface of the substrate layer 8 and comprises a near field communication coil 6 and a near field communication driving chip 1, the near field communication coil 6 is used for acquiring wireless transmission energy from equipment 10 with a near field communication function, and the energy is processed by the near field communication driving chip 1 and then stable power is output;
the control circuit assembly is distributed on the upper surface of the substrate layer 8 and comprises a microcontroller 2, a digital-to-analog conversion chip 3 and a waveform generating circuit, the microcontroller 2 sends out a digital signal, the digital-to-analog conversion chip 3 converts the digital signal into an analog voltage signal, and the waveform generating circuit converts the analog voltage signal into a corresponding waveform;
the adhesive layer 5 is fixed on the lower surface of the substrate layer 8 and is used for fixing the patch on the surface of the skin;
the electric stimulation electrode is printed on the same side of the adhesive layer 5, and electric stimulation is applied to the skin through the electric stimulation electrode 4;
the stable power is transmitted to the electrical stimulation electrode 4 through the analog-to-digital conversion chip 3 and the waveform generating circuit, and the electrical stimulation signal is transmitted to the skin through the electrical stimulation electrode 4.
The above embodiment relates to the main technology of near field communication, which can transmit information and energy, the device with such function generates a radio frequency field to transmit energy to the near field communication coil 6 wirelessly, the near field communication coil 6 is coupled and mutually inducted, the energy is processed by the connected near field communication chip 1 and then converted into stable power to be transmitted to the microcontroller 2, and the microcontroller 2 performs system control to further control waveform generation and electric stimulation application. The flexible passive radio stimulation sheet electrode patch and the method designed by the scheme realize that electrical stimulation is applied to the surface of skin, the diameter of the patch is less than 2cm, the patch can be used together with equipment such as a mobile phone with a near field communication function, and the like, have a simple operation interface on the mobile phone, and have the advantages of instant use, small volume and convenient operation. The mobile terminal is used without an additional electrical stimulation device, so that the skin electrical stimulation process is simplified, the implementation cost of the percutaneous acupoint electrical stimulation is reduced, the waveform generation circuit outputs low current, the fear of a user to the percutaneous electrical stimulation can be greatly reduced, and the medical care worker or the individual user can accept the skin electrical stimulation more easily; the electric stimulation patch is small in size, the consumed power is lower than 20mW, and electric energy is saved.
In one possible implementation, the base layer includes a top-down protective film, a copper foil substrate and a reinforcement, which are used for printing of the circuit and enhancing the mechanical strength of the flexible circuit, respectively, and are connected with an adhesive between the layers.
In a possible implementation, the control assembly further comprises an LED lamp 7 connected to the microcontroller 2 for indicating whether a wireless connection has been established.
In a possible implementation manner, the waveform generating circuit is a circuit outputting low current, the maximum transmission current is lower than 10mA, and the low power ensures the power utilization safety.
In a possible implementation mode, the waveform generating circuit is a circuit capable of outputting square waves and triangular waves with the amplitude ranging from 0V to 1V, the current waveform 11, the application time 12, the frequency 13 and the intensity 14 can be adjusted and controlled, the specific current frequency, the density wave type, the power and the application time are set, and the stimulation effect similar to that of an electro-therapeutic apparatus is achieved.
In a possible implementation manner, the low-frequency range output by the waveform generating circuit is 0.1-50 times/second, and the frequency and the waveform can be set by a mobile terminal.
In one possible implementation mode, the electrical stimulation electrode is divided into a sheet electrode 4 and a needle electrode 9, and is used for applying electrical stimulation to skin, wherein the electrode material is a metal material and can be prepared by using steel, titanium and nickel, the sheet electrode is a rectangular electrode with the length of 0.6cm and the width of 0.5cm, the specific implementation size can be manufactured according to the requirements of users, and the needle electrode is prepared by using a Micro Electro Mechanical System (MEMS) process and is a solid or hollow needle electrode with the length of 10-2000 μm and the bottom diameter of 10-50 μm.
In a possible implementation manner, the field communication coil 6 is a ring-shaped coil printed in the substrate layer, the coil diameter is 1.8cm, 1.85cm, 1.9cm, and three coils are used, and the coils are respectively led out to the near field communication driving chip 1 at the inner ring and the outer ring by using conducting wires.
In a possible implementation manner, the substrate layer 8 is made of a flexible substrate material, and may be selected from Polyimide (PI) or Polydimethylsiloxane (PDMS), and has the characteristics of light weight, thin thickness, flexibility and flexibility, and the flexible substrate serves as a protection film to perform a surface insulation function; that is, the base layer 8 is extensible, is deformed and bent to some extent, and can be deformed along with the deformation of the skin, thereby protecting the circuit; and can be adhesively worn on the surface of the human body using the medical loop tape 5.
In a possible implementation manner, the base layer 8 is provided with a through hole for connecting the electrical stimulation electrode 4, and the shape and size of the through hole are not limited.
In one possible implementation, the base layer 8 includes a top-down protective film, a copper foil substrate and reinforcement, which are used for the printing of the circuit and to enhance the mechanical strength of the flexible circuit, respectively, and are connected with an adhesive between the layers.
In a possible implementation, the control assembly further comprises an LED lamp 7 connected to the microcontroller, the LED lamp 7 being used only as an indication whether a connection is established, the color of the emitted light being used only as an example, the package being 0805 and smaller.
In one possible implementation, the microcontroller 2 is selected from the texas instruments MSP430FR2632, which is a mature MSP series commercial chip, and there are many alternatives for such controllers to meet the requirements of low power consumption and size.
In a possible implementation mode, according to the basic principle of potentiometry, an integrated operational amplifier AD8608 of the Asia-Deno semiconductor company is selected as a main working device of a waveform generating circuit, and considering that negative potential does not exist in the circuit, a proper direct-current voltage bias is added at a percutaneous electrical stimulation input end so as to ensure that an output voltage signal can be maintained at a positive voltage and can be smoothly collected by an on-chip analog-to-digital conversion module of an MSP commercial chip. In practical use, the mobile terminal having an NFC (Near Field Communication) module selects Galaxy S5 from samsung. The digital-to-analog conversion and peripheral circuit selects a basic differential circuit for outputting square waves and triangular waves.
In a possible implementation mode, the resonant frequency of a near-field communication coil 6 of the flexible passive wireless electrical stimulation patch for human body transcutaneous electrical stimulation is 13.56MHz, the NT3H2111 of enginepu company is selected as the core of the NFC module for the NFC chip 1, energy can be coupled through the coil, and a voltage output of 0-1V is modulated through an internal power management module to supply power to the control circuit.
In a possible implementation manner, a device 10 with a near field communication function, such as a mobile phone, may transmit power to a near field communication coil 6, collect and transmit energy to a near field communication chip 1 based on a faraday electromagnetic induction effect near field communication coil, the energy transmission is emitted from an NFC module of a smart phone, the energy is transmitted to the near field communication coil 6 of a detection device through coupling mutual inductance of the coil, the near field communication chip 1 connected to the near field communication coil 6 obtains energy from the near field communication coil 6, and transmits the energy to a back end circuit through an internal power management circuit, a back end MSP commercial chip operates under the energy provided by the near field communication chip 1, and transmits a voltage signal to a transcutaneous electrical stimulation electrode patch 17 through an on-chip analog-to-digital conversion port of a single chip, a smart phone application software drives a related application program Interface (abbreviationinginterface, hereinafter abbreviated as API) to set parameters of the near field communication chip 1 for transmitting energy and display parameters of the current electrical stimulation in the interface of the mobile phone.
In one possible implementation, the development of the application software on the device 10 with the near field communication function, such as a mobile phone, is based on the near field communication protocol, and can realize energy transmission and information mutual transmission between the device and the patch, the application software in the mobile phone is opened, the application waveform type 11, the application time 12, the application frequency 13 and the application intensity 14 are selected, and finally, the selection is started, and the implementation of the specific software writing is a conventional means.
In a possible implementation, the flexible passive radio stimulation patch further comprises an adhesive layer 5, provided on the opposite side of the control component layer, for fixing said flexible passive radio stimulation patch to the skin or in the vicinity of the acupuncture points.
Fig. 5 is a functional block diagram of the flexible passive radio stimulation patch according to the embodiment of the present invention, and two embodiments are respectively shown from the left side block diagram to the right side, where energy is obtained through the near field communication coil 6, the energy is transmitted to the microcontroller 2 after being modulated by the near field communication chip 1, and the microcontroller 2 sends a control signal to control the digital-to-analog conversion circuit to output a low-frequency current signal to the electrical stimulation electrode 4.
Fig. 6 is a schematic diagram of a waveform output circuit of a flexible passive radio stimulation patch provided by an embodiment of the invention; fig. 7 is a schematic diagram of a square wave of a flexible passive radio stimulation patch provided by an embodiment of the invention; fig. 8 is a schematic triangular wave diagram of a flexible passive radio stimulation patch provided by an embodiment of the invention; wherein, R1, R2, R3 represent different resistances, C1 represents a capacitor, the circuit can realize square wave output and triangular wave output, rectangular wave output and triangular wave output schematic diagrams, and the circuit can be used for outputting frequency waveforms between 0.1 and 50Hz and outputting voltage signals with amplitude of 0 to 1V.
Fig. 9 is a schematic diagram of an embodiment 1 of a flexible passive radio stimulation patch provided in an embodiment of the present invention, in which a device 10 with a near field communication function is used as a driver, an output waveform 11, a time 12 of output stimulation, a frequency 13 of output electrical stimulation, and an intensity 14 of output electrical stimulation are adjustable on a mobile phone, and start 15 and stop 16 buttons are further designed on an interface; when the present electrical stimulation patch is used, the electrical stimulation patch 17 is first attached to the skin surface of the human body as shown in the schematic position at the knee of fig. 9, and current stimulation of low frequency is applied to the skin surface by the device 10 having the near field communication function as a drive, thereby achieving the effect of electrical therapy, in which the acupuncture points are exemplified by the depressed acupuncture points at the knee.
Fig. 10 is a schematic diagram of an embodiment 2 of the flexible passive radio stimulation patch according to an embodiment of the present invention, in which an electrical stimulation patch 17 is adhered to the skin surface of a human body, a large-sized radio frequency identification coil 18 may cover the human body, and when the flexible passive radio stimulation patch is used, the coil may be laid under a mattress or on a seat, and the radio frequency identification coil 18 may realize stable energy transmission within 70 centimeters up and down in the coil plane, so as to meet the requirement of the surface size of the human body; when the device is used, the step-down transformer 21 is connected with the radio frequency identification controller 19 by using the connecting wire 20, the waveform, time, frequency and intensity parameters of time are set on the radio frequency identification controller, and academic electrical stimulation is carried out after the device is started; the area of the radio frequency identification coil is 0.5-5 square meters, the radio frequency identification coil is made of copper wires, the diameter of each copper wire is 8mm, the coil can be folded and arranged when not in use, and the voltage reducer can reduce the power supply voltage to the required voltage; the effective transmission distance of the large coil is 140cm, and the large coil can be placed under a mattress in practical use and is simple and light to place and take.
The invention provides a flexible passive wireless electric stimulation patch and a method, which realize the application of electric stimulation on the surface of skin. Compared with the traditional percutaneous acupoint electrical stimulation method of the multifunctional electrical therapeutic apparatus, the patch has the advantages that the diameter is smaller than 2cm, the patch can be used together with equipment with a near-field communication function, such as a mobile phone, and the like, a simple operation interface is arranged on the mobile phone, and the multifunctional electrical therapeutic apparatus is instant in use, small in size and convenient and fast to operate.
The mobile terminal is used without an additional electrical stimulation device, so that the skin electrical stimulation process is simplified, the implementation cost of the percutaneous acupoint electrical stimulation is reduced, the waveform generation circuit outputs low current, the fear of a user to the percutaneous electrical stimulation can be greatly reduced, and the medical care worker or the individual user can accept the skin electrical stimulation more easily; the electric stimulation patch is small in size, the consumed power is lower than 20mW, and electric energy is saved; the electric stimulation patch is made of a flexible polyimide material, the adhesive layer is made of a medical annular adhesive tape, the patch can deform along with the deformation of the skin, the patch cannot be damaged due to bending, the patch can be attached to the surface of the skin for a long time, and the use difficulty is reduced; the electrical stimulation electrode material uses steel, titanium and nickel which are all human body compatible metals, thereby further reducing the use safety risk to the minimum.
The invention overcomes the defect that the prior percutaneous acupoint electrical stimulation method has higher requirements on users and use places, can complete the operation by using a mobile phone or a radio frequency identification controller with a near-field communication function, has the advantages of convenient operation, quick use, safety and the like, simplifies the electrical stimulation process of skin, and reduces the implementation cost of the electrical stimulation of the skin. According to the advantages, the device and the method can be widely applied to the related field of skin electrical stimulation.
The method for applying skin electric stimulation on the surface of the skin by using the wireless passive flexible electric stimulation device comprises the following two specific methods:
operation mode 1:
1, adhering the electric stimulation patch on the surface of skin or the surface of a related acupuncture point;
2, clicking to open the mobile terminal to set electrical stimulation parameters, and detecting whether the report electrical stimulation patch is wirelessly connected with the mobile terminal;
3, modifying parameters through the mobile terminal to select the waveform, frequency and stimulation time parameters of the electrical stimulation signal;
4, the mobile terminal is used for controlling the start and the end of applying the electric stimulation, and the mobile terminal sends out corresponding control signals through the near field communication module, so that the device generates corresponding electric stimulation signals to achieve the effect of applying the stimulation;
and 5, when the mobile terminal needs to stop in advance, finishing applying the electric stimulation by using the mobile terminal.
Operation mode 2:
1, attaching an electric stimulation patch on the surface of skin or the surface of a related acupuncture point;
2, tiling the large coil connected with the programmable radio frequency identification controller on a plane, opening the programmable radio frequency identification controller when a user needs to be in the large coil plane range, and detecting whether the report electric stimulation patch is wirelessly connected with the controller;
3 selecting parameters such as waveform, frequency and stimulation time of the electrical stimulation signal through a controller;
4, the controller is used for controlling the application of electrical stimulation, and the mobile terminal sends out corresponding control signals through the radio frequency module, so that the device generates corresponding electrical stimulation signals to achieve the effect of applying stimulation;
and 5, when the electric stimulation is required to be terminated in advance, the electric stimulation is stopped to be applied through the setting of the controller.
The flexible passive wireless electric stimulation patch and the method disclosed by the invention can realize percutaneous electric stimulation and carry out electrotherapy on the skin of a human body by adhering the electric stimulation patch to the surface of the skin of the human body and using equipment with near field communication for wireless control.
It should be noted that, the above two specific embodiments describe the implementation and operation of the present invention, but those skilled in the art will understand that the present disclosure should not be limited thereto, and in fact, the user may set the shape structure and material of the flexible passive wireless electrical stimulation patch in practical application according to personal preference, as long as the precise control of electrical stimulation and the portable wearing on human body are realized.
Claims (10)
1. A flexible passive radio stimulation patch, comprising: the device comprises a substrate layer, a near-field communication assembly, a control circuit assembly, an adhesion layer and an electrical stimulation electrode;
the near field communication assembly is distributed on the upper surface of the substrate layer and comprises a near field communication coil and a near field communication driving chip, the near field communication coil is used for acquiring wireless transmission energy from a mobile terminal with a near field communication function or equipment with a radio frequency function, and the energy is processed by the near field communication driving chip and then outputs stable power;
the control circuit assembly is distributed on the upper surface of the substrate layer and comprises a microcontroller, a digital-to-analog conversion chip and a waveform generating circuit, the microcontroller sends a digital signal, the digital-to-analog conversion chip converts the digital signal into an analog voltage signal, and the waveform generating circuit converts the analog voltage signal into a corresponding waveform;
the adhesive layer is fixed on the lower surface of the substrate layer;
the electric stimulation electrode is printed on the same side of the adhesion layer;
the stable power is transmitted to the electrical stimulation electrode through the analog-to-digital conversion chip and the waveform generating circuit, and the electrical stimulation signal is transmitted to the skin through the electrical stimulation electrode.
2. The flexible passive radio-stimulation patch of claim 1, wherein: the control assembly further comprises an LED lamp connected with the microcontroller.
3. The flexible passive radio-stimulation patch of claim 1, wherein: the adhesive layer adopts a medical annular adhesive tape.
4. The flexible passive radio-stimulation patch of claim 1, wherein: the waveform generating circuit is a circuit for outputting low current, and the maximum transmission current is lower than 10 mA.
5. The flexible passive radio-stimulation patch of claim 1, wherein: the waveform generating circuit is a circuit capable of outputting square waves and triangular waves with the amplitude ranging from 0 to 1 volt, and can also adjust and control transmission power, current waveforms, frequency and application time.
6. The flexible passive radio-stimulation patch of claim 1, wherein: the substrate layer uses a flexible Polyimide (PI) material.
7. The flexible passive radio-stimulation patch of claim 1, wherein: the electrical stimulation electrode is divided into a sheet electrode and a needle electrode.
8. The flexible passive radio-stimulation patch of claim 1, wherein: the material of the electric stimulation electrode is selected from steel, titanium and nickel.
9. The flexible passive radio-stimulation patch of claim 7, wherein: the needle electrode is prepared by a Micro Electro Mechanical System (MEMS) process, is a solid or hollow needle electrode with the length of 10-2000 mu m and the diameter of the bottom of the needle of 10-50 mu m.
10. Use of a flexible passive radio stimulation patch according to any of the claims 1-9, characterized in that it has two implementations:
implementation mode 1:
1. adhering the flexible passive wireless electric stimulation patch on the surface of the skin or the surface of a related acupuncture point;
2. the method comprises the steps that a mobile terminal is used for conducting electric stimulation parameter setting, and whether the flexible passive wireless electric stimulation patch is in wireless connection with the mobile terminal or not is detected;
3. modifying parameters through the mobile terminal to select the waveform, frequency and stimulation time parameters of the electrical stimulation signal;
4. the mobile terminal is used for controlling the start and the end of applying the electric stimulation, and the mobile terminal sends out corresponding control signals through the near field communication module to generate corresponding electric stimulation signals;
5. and when the user needs to stop in advance, the mobile terminal is used for finishing applying the electric stimulation.
Implementation mode 2:
1. attaching the flexible passive wireless electric stimulation patch to the surface of the skin or the surface of a related acupuncture point;
2. the large coil connected with the programmable radio frequency identification controller is tiled on a plane and needs to be positioned in the plane range of the large coil, the programmable radio frequency identification controller is opened, and whether the flexible passive wireless electric stimulation patch is in wireless connection with the controller or not is detected;
3. selecting the waveform, frequency and stimulation time parameters of the electrical stimulation signal through a controller;
4. the controller is used for controlling the application of the electrical stimulation, and the controller sends out corresponding control signals through the radio frequency module to generate corresponding electrical stimulation signals so as to achieve the effect of applying the stimulation;
5. when the electric stimulation needs to be terminated in advance, the electric stimulation is stopped to be applied through the setting of the controller.
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| CN111068179B (en) | 2021-10-22 |
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