CN117482398B - Radio stimulation equipment capable of adjusting emission frequency - Google Patents

Radio stimulation equipment capable of adjusting emission frequency Download PDF

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Publication number
CN117482398B
CN117482398B CN202311858777.7A CN202311858777A CN117482398B CN 117482398 B CN117482398 B CN 117482398B CN 202311858777 A CN202311858777 A CN 202311858777A CN 117482398 B CN117482398 B CN 117482398B
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Prior art keywords
module
resistor
pin
main control
capacitor
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CN117482398A (en
Inventor
郭超
单成全
王楚
杨全威
周国庆
高郑润
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Kedou Suzhou Bc Technology Co ltd
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Kedou Suzhou Bc Technology Co ltd
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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
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/37211—Means for communicating with stimulators
    • A61N1/37217—Means for communicating with stimulators characterised by the communication link, e.g. acoustic or tactile
    • A61N1/37223—Circuits for electromagnetic coupling
    • 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
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/37211—Means for communicating with stimulators
    • A61N1/37235—Aspects of the external programmer
    • 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
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/37211—Means for communicating with stimulators
    • A61N1/37235—Aspects of the external programmer
    • A61N1/37247—User interfaces, e.g. input or presentation means
    • 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
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/37211—Means for communicating with stimulators
    • A61N1/37252—Details of algorithms or data aspects of communication system, e.g. handshaking, transmitting specific data or segmenting data
    • 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
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/378—Electrical supply
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10366—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042—Universal serial bus [USB]

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Acoustics & Sound (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Transmitters (AREA)

Abstract

The invention discloses a radio stimulation device capable of adjusting emission frequency, which comprises a power supply module, a main control module, a communication module, a voltage regulating module and a radio stimulation module. The voltage input end of the main control module is connected with the voltage output end of the power supply module; the voltage input end of the communication module is connected with the power input end of the power module, the first transmitting/receiving signal end of the communication module is connected with the first signal communication end of the main control module, and the second transmitting/receiving signal end of the communication module is connected with the second signal communication end of the main control module; the first voltage input end of the voltage regulating module is connected with the power input end of the power module, the second voltage input end of the voltage regulating module is connected with the voltage output end of the power module, and the signal receiving end of the voltage regulating module is connected with the second signal output end of the main control module; the voltage input end of the wireless stimulation module is connected with the voltage output end of the voltage regulating module, and the signal input end of the wireless stimulation module is connected with the first signal output end of the main control module.

Description

Radio stimulation equipment capable of adjusting emission frequency
Technical Field
The present application relates to the field of electrical stimulation, and in particular to a radio stimulation device with adjustable firing frequency.
Background
The existing implantable electrical stimulation equipment needs to be implanted into a body together with the stimulation equipment and the power supply module, the battery needs to be taken out and replaced regularly, the implant can be damaged to some extent in the process, meanwhile, the working state of the implantable electrical stimulation equipment is unstable along with the attenuation of the electric quantity of the battery, and finally the experimental result can be influenced. Even some radio stimulation devices can only stimulate the target experimental body through a fixed stimulation mode and stimulation frequency, so that the use scene is limited.
Disclosure of Invention
In view of this, the present invention provides a radio stimulation device with adjustable emission frequency, which can stimulate a target within a larger frequency variation range, so as to realize a multidirectional operation mode and have electrophysiological stimulation with different stimulation emission frequencies.
In order to achieve the above object, the present invention provides the following technical solutions.
A radio-stimulation device with adjustable firing frequency, comprising:
the device comprises a power supply module, a main control module, a communication module, a voltage regulation module and a wireless stimulation module.
Wherein:
the voltage input end of the main control module is connected with the voltage output end of the power supply module;
the voltage input end of the communication module is connected with the power input end of the power module, the first transmitting/receiving signal end of the communication module is connected with the first signal communication end of the main control module, and the second transmitting/receiving signal end of the communication module is connected with the second signal communication end of the main control module;
the first voltage input end of the voltage regulating module is connected with the power input end of the power module, the second voltage input end of the voltage regulating module is connected with the voltage output end of the power module, and the signal receiving end of the voltage regulating module is connected with the second signal output end of the main control module;
the voltage input end of the wireless stimulation module is connected with the voltage output end of the voltage regulating module, and the signal input end of the wireless stimulation module is connected with the first signal output end of the main control module.
Preferably, the power module includes: the power management chip U1, the lithium battery VBAT, the voltage reduction chip U2, the first power resistor R101, the second power resistor R102, the third power resistor R103, the first power capacitor C101, the second power capacitor C102, the third power capacitor C103, the light emitting diode LED1, the field effect transistor Q101, the diode D101 and the switch SW1.
Wherein:
the fourth pin 4 of the power management chip U1 is used as a power input end VBUS of the power module;
the second pin 2 of the buck chip U2 is used as a voltage output terminal VOUT of the power module;
one end of the first power supply resistor R101, one end of the third power supply resistor R103, one end of the first power supply capacitor C101, the grid electrode 1 of the field effect transistor Q101 and the anode of the diode D101 are connected to the power supply input end VBUS;
the other end of the first power supply resistor R101 is connected to the positive electrode of the light emitting diode LED1, and the negative electrode of the light emitting diode LED1 is connected to the first pin 1 of the power supply management chip U1;
the drain electrode 3 of the field effect tube Q101 and the positive electrode of the lithium battery VBAT are connected to the third pin 3 of the power management chip U1;
one end of the second power resistor R102 is connected to the fifth pin 5 of the power management chip U1;
the source electrode 2 of the field effect transistor Q101 and the cathode of the diode D101 are connected to one end of the switch SW1, and the other end of the switch SW1 and one end of the second power capacitor C102 are connected to the third pin 3 of the buck chip U2;
one end of the third power capacitor C103 is connected to the voltage output terminal VOUT;
the second pin 2 of the power management chip U1, the first pin 1 of the buck chip U2, the other end of the third power supply resistor R103, the other end of the first power supply capacitor C101, the negative electrode of the lithium battery VBAT, the other end of the second power supply resistor R102, the other end of the second power supply capacitor C102 and the other end of the third power supply capacitor C103 are all grounded.
Preferably, the main control module includes: the single chip microcomputer U3, a first master control resistor R201, a second master control resistor R202, a third master control resistor R203, a fourth master control resistor R204, a fifth master control resistor R205, a first master control capacitor C201, a second master control capacitor C202, a third master control capacitor C203, a fourth master control capacitor C204 and a fifth master control capacitor C205.
Wherein:
the singlechip U3 is provided with 48 pins;
the first pin 1, the ninth pin 9, the twenty-fourth pin 24, the thirty-sixth pin 36 and the forty-eighth pin 48 of the single chip microcomputer U3 are used as voltage input ends of the main control module;
an eighteenth pin 18 of the singlechip U3 is used as a first signal output end of the main control module;
the twenty-first pin 21 and the twenty-second pin 22 of the singlechip U3 are used as a second signal output end of the main control module together;
the thirty-first pin 30 and the thirty-first pin 31 of the singlechip U3 are used together as a first signal communication end of the main control module;
an eleventh pin 11 and a twelfth pin 12 of the singlechip U3 are used as a second signal communication end of the main control module together;
one end of the first master control capacitor C201 is connected to the forty-eight pin 48 of the singlechip U3;
one end of the second master control capacitor C202 is connected to a ninth pin 9 of the singlechip U3;
one end of the third main control capacitor C203 is connected to a thirty-sixth pin 36 of the singlechip U3;
one end of the fourth main control capacitor C204 is connected to the twenty-fourth pin 24 of the single chip microcomputer U3;
one end of the first master control resistor R201 is connected to a forty-fourth pin 44 of the singlechip U3;
one end of the second main control resistor R202 is connected to the voltage input end of the main control module, and the other end of the second main control resistor R202 and one end of the fifth main control capacitor C205 are connected to the seventh pin 7 of the singlechip U3;
the other ends of the first master control capacitor C201, the second master control capacitor C202, the third master control capacitor C203, the fourth master control capacitor C204, the fifth master control capacitor C205 and the first master control resistor R201 are grounded;
one end of the third main control resistor R203, the fourth main control resistor R204 and the fifth main control resistor R205 is connected to the voltage input end of the main control module, the other end of the third main control resistor R203 is connected to the fourteenth pin 14 of the single chip microcomputer U3, the other end of the fourth main control resistor R204 is connected to the thirteenth pin 13 of the single chip microcomputer U3, and the other end of the fifth main control resistor R205 is connected to the fifteenth pin 15 of the single chip microcomputer U3.
Preferably, the main control module further comprises: toggle switch SW2, crystal oscillator X1, sixth master control capacitor C206, seventh master control capacitor C207.
Wherein:
the public end of the toggle switch SW2 is grounded, and the other three ends of the toggle switch SW2 are respectively connected to a thirteenth pin 13, a fourteenth pin 14 and a fifteenth pin 15 of the singlechip;
one end of the first pin 1 and one end of the sixth main control capacitor C206 of the crystal oscillator X1 are connected to the fifth pin 5 of the singlechip U3; one end of the third pin 3 and one end of the seventh main control capacitor C207 of the crystal oscillator X1 are connected to the sixth pin 6 of the singlechip U3;
the other ends of the sixth master capacitor C206 and the seventh master capacitor C207 are grounded, and the second pin 2 and the fourth pin 4 of the crystal oscillator X1 are grounded.
Preferably, the communication module includes: USB communication module and wireless radio frequency module.
Wherein:
one end of the USB communication module and one end of the wireless radio frequency module are used as voltage input ends of the communication modules;
the other end of the USB communication module is used as a first sending/receiving signal end of the communication module;
the other end of the wireless radio frequency module is used as a second transmitting/receiving signal end of the communication module.
Preferably, the voltage regulating module includes: the voltage regulating chip U4, the first voltage regulating capacitor C401, the second voltage regulating capacitor C402, the third voltage regulating capacitor C403 and the first voltage regulating resistor R401.
Wherein:
the first pin 1 of the voltage regulating chip U4 is used as a first voltage input end VBUS of the voltage regulating module;
the fifth pin 5 of the voltage regulating chip U4 is used as the voltage output terminal VOUT of the voltage regulating module;
one end of the first voltage regulating capacitor C401 is connected to the first voltage input end VBUS, and the other end is grounded;
the voltage output end VOUT of the voltage regulating module is connected with one ends of the second voltage regulating capacitor C402, the third voltage regulating capacitor C403 and the first voltage regulating resistor R401; the other end of the second voltage regulating capacitor C402 and the other end of the first voltage regulating resistor R401 are connected to a fourth pin 4 of the voltage regulating chip U4, and the other end of the third voltage regulating capacitor C403 is grounded.
Preferably, the voltage regulating module further comprises: the second voltage regulating resistor R402, the third voltage regulating resistor R403, the fourth voltage regulating resistor R404 and the digital potentiometer U5.
Wherein:
the first pin 1 of the digital potentiometer U5 is used as a second voltage input end VCC of the voltage regulating module;
the third pin 3 and the fourth pin 4 of the digital potentiometer U5 are used together as a signal receiving end of the voltage regulating module;
one end of the second voltage regulating resistor R402 is connected to a fourth pin 4 of the voltage regulating chip U4, and the other end of the second voltage regulating resistor R is connected to a fifth pin 5 of the digital potentiometer U5;
the second voltage input end VCC of the voltage regulating module is connected with one ends of the third voltage regulating resistor R403 and the fourth voltage regulating resistor R404, the other end of the third voltage regulating resistor R403 is connected to the third pin 3 of the digital potentiometer U5, and the other end of the fourth voltage regulating resistor R404 is connected to the fourth pin 4 of the digital potentiometer U5.
Preferably, the wireless stimulation module comprises: a transmitting coil and a stimulating circuit.
Wherein:
the stimulation circuit includes: the first stimulating resistor R501, the second stimulating resistor R502, the third stimulating resistor R503, the fourth stimulating resistor R504, the first diode D501, the second diode D502, the first field effect transistor Q501, the second field effect transistor Q502, the first inductor L501, the second inductor L502 and the capacitor C501;
one end of the first stimulating resistor R501 is connected with one end of the second stimulating resistor R502 through a first connecting line, a first connecting point 1 is arranged on the first connecting line, and the first connecting point 1 is used as a voltage input end of the wireless stimulating module;
the other end of the first stimulating resistor R501 is connected to the anode of the second diode D502 and the grid electrode of the first field effect transistor Q501;
the other end of the second stimulating resistor R502 is connected to the anode of the first diode D501 and the grid electrode of the second field effect transistor Q502;
one end of the third stimulating resistor R503 is connected to the grid electrode of the first field effect transistor Q501, and the other end of the third stimulating resistor R503 is connected to the source electrode of the first field effect transistor Q501 and serves as the negative end of the stimulating circuit; the drain electrode of the first field effect transistor Q501 is connected to the negative electrode of the first diode D501 through a second connecting line, and a second connecting point 2 is arranged on the second connecting line;
one end of the fourth stimulating resistor R504 is connected to the grid electrode of the second field effect transistor Q502, and the other end of the fourth stimulating resistor R is connected to the source electrode of the second field effect transistor Q502 and serves as the negative end of the stimulating circuit; the drain electrode of the second field effect transistor Q502 is connected to the negative electrode of the second diode D502 through a third connecting line, and a third connecting point 3 is arranged on the third connecting line;
one end of the capacitor C501 is connected to the second connection point 2, and the other end is connected to the third connection point 3;
one end of the first inductor L501 is connected to the second connection point 2, and the other end of the first inductor L is connected to the voltage input end of the wireless stimulation module;
one end of the second inductor L502 is connected to the third connection point 3, and the other end of the second inductor L is connected to the voltage input end of the wireless stimulation module;
the second connection point 2 and the third connection point 3 are connected with the transmitting coil H2, and the transmitting coil H2 is used as a signal transmitting end of the wireless stimulation module.
Preferably, the wireless stimulation module further comprises: an electronic switching circuit, the electronic switching circuit comprising: a first switching resistor R505, a second switching resistor R506, and a third fet Q503.
Wherein:
one end of the first switch resistor R505 is used as a signal input end of the wireless stimulation module;
the other end of the first switch resistor R505 and one end of the second switch resistor R506 are connected to the grid electrode of the third field effect transistor Q503, the drain electrode of the third field effect transistor Q503 is connected to the negative terminal of the stimulation circuit, and the source electrode of the third field effect transistor Q503 and the other end of the second switch resistor R506 are grounded.
Preferably, the diameter of the transmitting coil H2 is 31mm, and the inductance value is 110uH.
Compared with the prior art, the invention has the following advantages:
1. the emission frequency of the wireless stimulation can be adjusted, and the adjustment range is between 90KHz and 300 KHz;
2. the stimulation voltage intensity of the wireless stimulation can also be adjusted;
3. the wireless stimulation equipment can be driven by using the software instructions of the upper computer to realize stimulation, can also be stimulated by the NFC recognition instructions, and can be completed by adjusting keys on the wireless stimulation equipment, so that the wireless stimulation equipment is greatly convenient for operators to use, and the application range of the wireless stimulation equipment is enlarged.
Specific embodiments of the invention are disclosed in detail below with reference to the following description and the accompanying drawings, indicating the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the invention are not limited in scope thereby. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present invention, and are not particularly limited. Those skilled in the art with access to the teachings of the present invention can select a variety of possible shapes and scale sizes to practice the present invention as the case may be. In the drawings:
fig. 1 is a functional block diagram of a radio stimulation device according to an embodiment of the present invention;
FIG. 2 is a circuit topology of the power module of FIG. 1;
FIG. 3 is a circuit topology of the master control module of FIG. 1;
FIG. 4 is a circuit topology of the communication module of FIG. 1;
FIG. 5 is a circuit topology of the voltage regulation module of FIG. 1;
fig. 6 is a circuit topology of the wireless stimulation module of fig. 1.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, shall fall within the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the radio stimulation device provided in the embodiment of the present invention includes a power module 100, a main control module 200, a communication module 300, a voltage regulation module 400, and a wireless stimulation module 500. The voltage input end of the main control module 200 is connected with the voltage output end of the power module 100. The voltage input end of the communication module 300 is connected with the power input end of the power module 100, the first transmitting/receiving signal end of the communication module 300 is connected with the first signal communication end of the main control module 200, and the second transmitting/receiving signal end of the communication module 300 is connected with the second signal communication end of the main control module 200. The first voltage input end of the voltage regulating module 400 is connected with the power input end of the power module 100, the second voltage input end of the voltage regulating module 400 is connected with the voltage output end of the power module 100, and the signal receiving end of the voltage regulating module 400 is connected with the second signal output end of the main control module 200. The voltage input end of the wireless stimulation module 500 is connected with the voltage output end of the voltage regulating module 400, and the signal input end of the wireless stimulation module 500 is connected with the first signal output end of the main control module 200.
As shown in fig. 2, the power module 100 includes a charging/power supply circuit, which includes a power management chip U1, a lithium battery VBAT, a buck chip U2, resistors R101 to R103, capacitors C101 to C103, a light emitting diode LED1, a field effect transistor Q101, a diode D101, and a switch SW1.
The power module 100 includes a power input terminal and a voltage output terminal. Pin 4 of the power management chip U1 is used as the power input VBUS of the power module 100, and pin 2 of the buck chip U2 is used as the voltage output VOUT of the power module 100. One end of the resistor R101, one end of the resistor R103, one end of the capacitor C101, the gate 1 of the field effect transistor Q101, and the positive electrode of the diode D101 are connected to the power supply input terminal VBUS.
The other end of the resistor R101 is connected to the positive electrode of the light emitting diode LED1, and the negative electrode of the light emitting diode LED1 is connected to the pin 1 of the power management chip U1.
The drain electrode 3 of the field effect transistor Q101 and the positive electrode of the lithium battery VBAT are connected to the pin 3 of the power management chip U1.
One end of the resistor R102 is connected to the pin 5 of the power management chip U1.
The source 2 of the field effect transistor Q101, the cathode of the diode D101 are connected to one end of the switch SW1, the other end of the switch SW1, and one end of the capacitor C102 are connected to the pin 3 of the buck chip U2. One end of the capacitor C103 is connected to the voltage output terminal VOUT.
The pin 2 of the power management chip U1, the pin 1 of the buck chip U2, the other end of the resistor R103, the other end of the capacitor C101, the negative electrode of the lithium battery VBAT, the other end of the resistor R102, the other end of the capacitor C102 and the other end of the capacitor C103 are all grounded.
When the power input VBUS of the power module 100 is connected to the charging device, the power input VBUS charges the lithium battery VBAT. If switch SW1 is pressed, the power input VBAT supplies power to the entire device at the same time. When the power input end VBUS is not connected with the charging equipment, the switch SW1 is pressed, and the lithium battery VBAT supplies power to the whole equipment.
As shown in FIG. 3, the main control module 200 comprises a single chip microcomputer U3, a toggle switch SW2, a crystal oscillator X1, resistors R201-R205 and capacitors C201-C207.
The main control module 200 includes a voltage input terminal, a first signal output terminal, a second signal output terminal, a first signal communication terminal, and a second signal communication terminal. The model of the singlechip U3 is STM32F103C8T6, and the singlechip U3 has 48 pins. Pin 1, pin 9, pin 24, pin 36, pin 48 of the single chip microcomputer U3 are used as voltage input ends. Pin 18 serves as a first signal output. Pin 21 and pin 22 together serve as a second signal output. Pin 30 and pin 31 together serve as a first signal communication terminal. Pin 11 and pin 12 together serve as a second signal communication terminal.
One end of a capacitor C201 is connected to the pin 48 of the single-chip microcomputer U3, one end of a capacitor C202 is connected to the pin 9 of the single-chip microcomputer U3, one end of a capacitor C203 is connected to the pin 36 of the single-chip microcomputer U3, one end of a capacitor C204 is connected to the pin 24 of the single-chip microcomputer U3, one end of a resistor R201 is connected to the pin 44 of the single-chip microcomputer U3, one end of a resistor R202 is connected to the voltage input end (namely, the pin 1, the pin 9, the pin 24, the pin 36 and the pin 48 of the single-chip microcomputer U3) of the main control module 200, and the other end of the resistor R202 and one end of the capacitor C205 are connected to the pin 7 of the single-chip microcomputer U3. The other ends of the capacitors C201-C205 and the other end of the resistor R201 are grounded.
The public ground of the toggle switch SW2 is grounded, and the other three ends are respectively connected to a pin 13, a pin 14 and a pin 15 of the singlechip U3.
One end of the resistor R203, the resistor R204 and the resistor R205 is connected to the voltage input end (namely, the pin 1, the pin 9, the pin 24, the pin 36 and the pin 48 of the singlechip U3) of the main control module 200, the other end of the resistor R203 is connected to the pin 14 of the singlechip U3, the other end of the resistor R204 is connected to the pin 13 of the singlechip U3, and the other end of the resistor R205 is connected to the pin 15 of the singlechip U3.
One end of the pin 1 and one end of the capacitor C206 of the crystal oscillator X1 are connected to the pin 5 of the singlechip U3. One end of the pin 3 and one end of the capacitor C207 of the crystal oscillator X1 are connected to the pin 6 of the singlechip U3. The other ends of the capacitor C206 and the capacitor C207 are grounded to the pins 2 and 4 of the crystal X1.
As shown in fig. 4, the communication module 300 includes a USB communication module 301 and a wireless radio frequency module 302. One end of the USB communication module 301 and the wireless radio frequency module 302 are used as a voltage input end of the communication module 300, the other end of the USB communication module 301 is used as a first transmitting/receiving signal end of the communication module 300, and the other end of the wireless radio frequency module 302 is used as a second transmitting/receiving signal end of the communication module 300.
As shown in fig. 5, the voltage regulating module 400 includes a voltage regulating chip U4, capacitors C401 to C403, resistors R401 to R404, and a digital potentiometer U5.
The voltage regulating module 400 includes a first voltage input terminal, a second voltage input terminal, a voltage output terminal, and a signal receiving terminal. Pin 1 of the voltage regulating chip U4 is used as a first voltage input terminal VBUS, and pin 5 is used as a voltage output terminal VOUT. Pin 1 of digital potentiometer U5 serves as a second voltage input VCC, and pin 3 and pin 4 together serve as a signal receiving terminal.
One end of the capacitor C401 is connected to the first voltage input terminal VBUS, and the other end is grounded.
The voltage output terminal VOUT is connected to one end of the capacitor C402, the capacitor 403, and the resistor R401. The other end of the capacitor C402 and the other end of the resistor R401 are connected to the pin 4 of the voltage regulating chip U4, and the other end of the capacitor C403 is grounded.
One end of the resistor R402 is connected to the pin 4 of the voltage regulating chip U4, and the other end is connected to the pin 5 of the digital potentiometer U5. The second voltage input end VCC is connected with one end of a resistor R403 and one end of a resistor R404, the other end of the resistor R403 is connected to a pin 3 of the digital potentiometer U5, and the other end of the resistor R404 is connected to a pin 4 of the digital potentiometer U5.
As shown in fig. 6, the wireless stimulation module 500 includes a transmit coil, a stimulation circuit, and an electronic switching circuit.
The diameter of the transmitting coil H2 is 31mm, and the inductance value is 110uH.
The stimulation circuit includes: resistors R501-R504, diodes D501-D502, field effect transistors Q501-502, inductors L501-L502, and capacitor C501.
The electronic switching circuit includes: resistors R505-R506 and field effect transistor Q503.
The wireless stimulation module 500 includes a voltage input terminal, a signal input terminal, and a signal transmitting terminal. One end of the resistor R501 and one end of the resistor R502 are connected together through a first connection line, a first connection point 1 is arranged on the first connection line, and the first connection point 1 is used as a voltage input end of the wireless stimulation module 500.
The other end of the resistor R501 is connected to the anode of the diode D502 and the gate of the field effect transistor Q501. The other end of resistor R502 is connected to the anode of diode D501 and the gate of field effect transistor Q502. One end of the stimulus resistor R503 is connected to the gate of the field effect transistor Q501, and the other end is connected to the source of the field effect transistor Q501 as the negative terminal of the stimulus circuit. The drain electrode of the field effect transistor Q501 is connected to the cathode of the diode D501 through a second connection line, and a second connection point 2 is disposed on the second connection line.
One end of the stimulating resistor R504 is connected to the grid electrode of the field effect transistor Q502, and the other end is connected to the source electrode of the field effect transistor Q502 and serves as the negative end of the stimulating circuit. The drain electrode of the field effect transistor Q502 is connected to the cathode of the diode D502 through a third connection line, and a third connection point 3 is disposed on the third connection line.
One end of the capacitor C501 is connected to the second connection point 2 and the other end is connected to the third connection point 3. One end of the inductor L501 is connected to the second connection point 2, and the other end is connected to the voltage input terminal of the wireless stimulation module 500. One end of the inductor L502 is connected to the third connection point 3, and the other end is connected to the voltage input terminal of the wireless stimulation module 500. The second connection point 2 and the third connection point 3 are connected with a transmitting coil H2, and the transmitting coil H2 is used as a signal transmitting end of the wireless stimulation module 500.
One end of the resistor R505 serves as a signal input terminal of the wireless stimulation module 500.
The other end of the resistor R505 and one end of the resistor R506 are connected to the grid electrode of the field effect tube Q503, the drain electrode of the field effect tube Q503 is connected to the negative end of the stimulation circuit, and the source electrode of the field effect tube Q503 and the other end of the switch resistor R506 are grounded.
The working principle of the invention is as follows:
the method comprises the steps that program instructions are input into the control equipment through upper computer software to stimulate a target, or fixed instructions are identified through NFC, the control equipment stimulates the target, or related parameters of the equipment are adjusted through keys on the equipment, and then the target is stimulated.
Specifically, the relevant parameters of the stimulus need to be clarified before starting up, the emission frequency of the stimulus needs to be clarified, and the emission frequency of the stimulus of the device is adjusted to a specified value in advance through the wireless stimulus module 500. The switch SW1 of the power module 100 is pressed and the device is turned on. The main control module 200 is connected to voltage through a voltage input end, the main control module 200 starts to work, after the main control module 200 receives an instruction of the communication module 300 through a first signal communication end or a second signal communication end, the second signal output end of the main control module 200 controls and adjusts the resistance value of the digital potentiometer U5 of the voltage regulating module 400, and therefore the voltage value of the voltage output end of the voltage regulating module 400 is adjusted. Then, the main control module 200 controls the on-off of the electronic switch of the wireless stimulation module 500 through the first signal output end, so as to control the stimulation frequency of the device, and finally achieve the purpose of stimulating the target.
The radio stimulation device of the embodiment is mainly applied to device power supply, stimulation intensity and stimulation frequency adjustment required by the implanted electric stimulation device. The device breaks through the dilemma that the existing wireless stimulation device can only stimulate in a fixed mode, and solves the problem that the stimulated emission frequency of the existing wireless stimulation device cannot be freely adjusted. The device can be connected with a computer through a data line, the device is controlled to stimulate a target through a program instruction input by upper computer software, or a fixed instruction is identified through NFC, the device is controlled to stimulate the target, or a toggle switch on the device is used for adjusting relevant parameters of the device, and then the target is stimulated.
It should be noted that, in the description of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and to distinguish between similar objects, and there is no order of preference between them, nor should they be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the applicant be deemed to have such subject matter not considered to be part of the disclosed subject matter.

Claims (10)

1. A radio stimulation device with adjustable firing frequency, comprising:
the device comprises a power supply module, a main control module, a communication module, a voltage regulation module and a wireless stimulation module;
wherein:
the voltage input end of the main control module is connected with the voltage output end of the power supply module;
the voltage input end of the communication module is connected with the power input end of the power module, the first transmitting/receiving signal end of the communication module is connected with the first signal communication end of the main control module, and the second transmitting/receiving signal end of the communication module is connected with the second signal communication end of the main control module;
the first voltage input end of the voltage regulating module is connected with the power input end of the power module, the second voltage input end of the voltage regulating module is connected with the voltage output end of the power module, and the signal receiving end of the voltage regulating module is connected with the second signal output end of the main control module;
the voltage input end of the wireless stimulation module is connected with the voltage output end of the voltage regulating module, and the signal input end of the wireless stimulation module is connected with the first signal output end of the main control module.
2. The radio stimulation apparatus of claim 1 wherein the radio stimulation apparatus,
the power module includes: the lithium battery is connected with the power management chip, the lithium battery is connected with the step-down chip, the first power resistor, the second power resistor, the third power resistor, the first power capacitor, the second power capacitor, the third power capacitor, the light emitting diode, the field effect transistor, the diode and the switch;
wherein:
a fourth pin of the power management chip is used as a power input end of the power module;
the second pin of the step-down chip is used as a voltage output end of the power supply module;
one end of the first power supply resistor, one end of the third power supply resistor, one end of the first power supply capacitor, the grid electrode of the field effect transistor and the anode of the diode are connected to the power supply input end;
the other end of the first power supply resistor is connected to the positive electrode of the light-emitting diode, and the negative electrode of the light-emitting diode is connected to the first pin of the power supply management chip;
the drain electrode of the field effect tube and the positive electrode of the lithium battery are connected to a third pin of the power management chip;
one end of the second power supply resistor is connected to a fifth pin of the power supply management chip;
the source electrode of the field effect tube and the cathode of the diode are connected to one end of the switch, and the other end of the switch and one end of the second power capacitor are connected to a third pin of the buck chip;
one end of the third power supply capacitor is connected to the voltage output end;
the second pin of the power management chip, the first pin of the voltage reduction chip, the other end of the third power supply resistor, the other end of the first power supply capacitor, the negative electrode of the lithium battery, the other end of the second power supply resistor, the other end of the second power supply capacitor and the other end of the third power supply capacitor are all grounded.
3. The radio stimulation device according to claim 1, wherein the master control module comprises: the single chip microcomputer, the first master control resistor, the second master control resistor, the third master control resistor, the fourth master control resistor, the fifth master control resistor, the first master control capacitor, the second master control capacitor, the third master control capacitor, the fourth master control capacitor and the fifth master control capacitor;
wherein:
the singlechip is provided with 48 pins;
the first pin, the ninth pin, the twenty-fourth pin, the thirty-sixth pin and the forty-eighth pin of the singlechip are used as voltage input ends of the main control module;
an eighteenth pin of the singlechip is used as a first signal output end of the main control module;
the twenty-first pin and the twenty-second pin of the singlechip are used as a second signal output end of the main control module together;
the thirty-first pin and the thirty-first pin of the singlechip are used as a first signal communication end of the main control module together;
an eleventh pin and a twelfth pin of the singlechip are used as a second signal communication end of the main control module together;
one end of the first main control capacitor is connected to a forty-eighth pin of the singlechip;
one end of the second main control capacitor is connected to a ninth pin of the singlechip;
one end of the third main control capacitor is connected to a thirty-sixth pin of the singlechip;
one end of the fourth main control capacitor is connected to a twenty-fourth pin of the singlechip;
one end of the first main control resistor is connected to a forty-fourth pin of the singlechip;
one end of the second main control resistor is connected to the voltage input end of the main control module, and the other end of the second main control resistor and one end of the fifth main control capacitor are connected to a seventh pin of the singlechip;
the other ends of the first main control capacitor, the second main control capacitor, the third main control capacitor, the fourth main control capacitor, the fifth main control capacitor and the first main control resistor are grounded;
one end of the third main control resistor, one end of the fourth main control resistor and one end of the fifth main control resistor are connected to the voltage input end of the main control module, the other end of the third main control resistor is connected to the fourteenth pin of the single chip microcomputer, the other end of the fourth main control resistor is connected to the thirteenth pin of the single chip microcomputer, and the other end of the fifth main control resistor is connected to the fifteenth pin of the single chip microcomputer.
4. The radio stimulation device according to claim 3, wherein the master control module further comprises: the crystal oscillator comprises a toggle switch, a crystal oscillator, a sixth main control capacitor and a seventh main control capacitor;
wherein:
the public end of the toggle switch is grounded, and the other three ends of the toggle switch are respectively connected to a thirteenth pin, a fourteenth pin and a fifteenth pin of the singlechip;
one end of the first pin and one end of the sixth main control capacitor of the crystal oscillator are connected to the fifth pin of the singlechip; one end of the third pin and one end of the seventh main control capacitor of the crystal oscillator are connected to the sixth pin of the singlechip;
and the other ends of the sixth master control capacitor and the seventh master control capacitor are grounded, and the second pin and the fourth pin of the crystal oscillator are grounded.
5. The radio stimulation device according to claim 1, wherein the communication module comprises: the USB communication module and the wireless radio frequency module;
wherein:
one end of the USB communication module and one end of the wireless radio frequency module are used as voltage input ends of the communication modules;
the other end of the USB communication module is used as a first sending/receiving signal end of the communication module;
the other end of the wireless radio frequency module is used as a second transmitting/receiving signal end of the communication module.
6. The radio stimulation device according to claim 1, wherein the voltage regulation module comprises: the voltage regulating chip, the first voltage regulating capacitor, the second voltage regulating capacitor, the third voltage regulating capacitor and the first voltage regulating resistor;
wherein:
a first pin of the voltage regulating chip is used as a first voltage input end of the voltage regulating module;
the fifth pin of the voltage regulating chip is used as a voltage output end of the voltage regulating module;
one end of the first voltage regulating capacitor is connected to the first voltage input end, and the other end of the first voltage regulating capacitor is grounded;
the voltage output end of the voltage regulating module is connected with one end of the second voltage regulating capacitor, one end of the third voltage regulating capacitor and one end of the first voltage regulating resistor; the other end of the second voltage regulating capacitor and the other end of the first voltage regulating resistor are connected to a fourth pin of the voltage regulating chip, and the other end of the third voltage regulating capacitor is grounded.
7. The radio stimulation apparatus of claim 6, wherein the voltage regulation module further comprises: the second voltage regulating resistor, the third voltage regulating resistor, the fourth voltage regulating resistor and the digital potentiometer;
wherein:
the first pin of the digital potentiometer is used as a second voltage input end of the voltage regulating module;
the third pin and the fourth pin of the digital potentiometer are used as a signal receiving end of the voltage regulating module together;
one end of the second voltage regulating resistor is connected to a fourth pin of the voltage regulating chip, and the other end of the second voltage regulating resistor is connected to a fifth pin of the digital potentiometer;
the second voltage input end of the voltage regulating module is connected with one ends of the third voltage regulating resistor and the fourth voltage regulating resistor, the other end of the third voltage regulating resistor is connected to a third pin of the digital potentiometer, and the other end of the fourth voltage regulating resistor is connected to a fourth pin of the digital potentiometer.
8. The radio stimulation device according to claim 1, wherein the radio stimulation module comprises: a transmitting coil and a stimulating circuit;
wherein:
the stimulation circuit includes: the first stimulation resistor, the second stimulation resistor, the third stimulation resistor, the fourth stimulation resistor, the first diode, the second diode, the first field effect transistor, the second field effect transistor, the first inductor, the second inductor and the capacitor;
one end of the first stimulation resistor is connected with one end of the second stimulation resistor through a first connecting line, a first connecting point is arranged on the first connecting line, and the first connecting point is used as a voltage input end of the wireless stimulation module;
the other end of the first stimulating resistor is connected to the anode of the second diode and the grid electrode of the first field effect transistor;
the other end of the second stimulating resistor is connected to the anode of the first diode and the grid electrode of the second field effect transistor;
one end of the third stimulating resistor is connected to the grid electrode of the first field effect transistor, and the other end of the third stimulating resistor is connected to the source electrode of the first field effect transistor and serves as the negative end of the stimulating circuit; the drain electrode of the first field effect transistor is connected to the cathode of the first diode through a second connecting line, and a second connecting point is arranged on the second connecting line;
one end of the fourth stimulation resistor is connected to the grid electrode of the second field effect transistor, and the other end of the fourth stimulation resistor is connected to the source electrode of the second field effect transistor and serves as the negative end of the stimulation circuit; the drain electrode of the second field effect transistor is connected to the cathode of the second diode through a third connecting line, and a third connecting point is arranged on the third connecting line;
one end of the capacitor is connected to the second connection point, and the other end of the capacitor is connected to the third connection point;
one end of the first inductor is connected to the second connection point, and the other end of the first inductor is connected to the voltage input end of the wireless stimulation module;
one end of the second inductor is connected to a third connection point, and the other end of the second inductor is connected to the voltage input end of the wireless stimulation module;
the second connection point and the third connection point are connected with the transmitting coil, and the transmitting coil is used as a signal transmitting end of the wireless stimulation module.
9. The radio stimulation device of claim 8, wherein the radio stimulation module further comprises: an electronic switching circuit, the electronic switching circuit comprising: the first switch resistor, the second switch resistor and the third field effect transistor;
wherein:
one end of the first switch resistor is used as a signal input end of the wireless stimulation module;
the other end of the first switch resistor and one end of the second switch resistor are connected to the grid electrode of the third field effect transistor, the drain electrode of the third field effect transistor is connected to the negative end of the stimulation circuit, and the source electrode of the third field effect transistor and the other end of the second switch resistor are grounded.
10. The radio stimulation apparatus according to claim 8, wherein the transmitting coil has a diameter of 31mm and an inductance value of 110uH.
CN202311858777.7A 2023-12-30 2023-12-30 Radio stimulation equipment capable of adjusting emission frequency Active CN117482398B (en)

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Citations (2)

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Publication number Priority date Publication date Assignee Title
CN217286901U (en) * 2021-12-09 2022-08-26 河北兰格医疗设备有限公司 Micro-current stimulation instrument
WO2023011491A1 (en) * 2021-08-03 2023-02-09 苏州景昱医疗器械有限公司 In-vitro program controller, and control circuit and program control system thereof

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Publication number Priority date Publication date Assignee Title
US10452143B2 (en) * 2015-10-20 2019-10-22 San Diego State University Research Foundation Apparatus and method of implantable bidirectional wireless neural recording and stimulation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023011491A1 (en) * 2021-08-03 2023-02-09 苏州景昱医疗器械有限公司 In-vitro program controller, and control circuit and program control system thereof
CN217286901U (en) * 2021-12-09 2022-08-26 河北兰格医疗设备有限公司 Micro-current stimulation instrument

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