CN101773701A - Nerve stimulator - Google Patents

Nerve stimulator Download PDF

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Publication number
CN101773701A
CN101773701A CN201010000519A CN201010000519A CN101773701A CN 101773701 A CN101773701 A CN 101773701A CN 201010000519 A CN201010000519 A CN 201010000519A CN 201010000519 A CN201010000519 A CN 201010000519A CN 101773701 A CN101773701 A CN 101773701A
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CN
China
Prior art keywords
signal
data
antenna
reverse
nerve stimulator
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Pending
Application number
CN201010000519A
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Chinese (zh)
Inventor
孙晓安
曾凡钢
陈洪斌
傅前杰
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HANGZHOU NUORKANG NEURAL ELECTRONIC TECHNOLOGY Co Ltd
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HANGZHOU NUORKANG NEURAL ELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN201010000519A priority Critical patent/CN101773701A/en
Publication of CN101773701A publication Critical patent/CN101773701A/en
Pending legal-status Critical Current

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Abstract

The invention provides a nerve stimulator, which comprises an internal antenna, a forward path and a stimulating electrode which are connected in sequence and also comprises a backward path which is connected between the stimulating electrode and the internal antenna, wherein the internal antenna receives an external radio frequency antenna signal and the forward path generates a stimulating current for stimulating nerves according to the received antenna signal; the stimulating electrode stimulates the nerves according to the simulating current which is generated by the forward path; the backward path is used for monitoring and measuring physical and physiological parameters related to electrode stimuli and feeding the physical and physiological parameters back to an external antenna by an internal antenna. The nerve stimulator can transmit a forward signal from the external to the internal and transmit a backward signal from the internal to the external by using only one set of internal and external antennas, so the information feedback of the nerve simulator can be realized. Thus, a doctor or a user can obtain more internal physical and physiological parameter information to control and adjust the stimulator according to the information.

Description

Nerve stimulator
Technical field
The present invention relates to the artificial implant technical field, relate in particular to a kind of nerve stimulator.
Background technology
Nerve stimulator directly stimulates the relevant nerve of human body with electric current, thereby partly or entirely loses the human organ of normal function or the effective efficiency of tissue for band.At present typical nerve stimulator has: be implanted in the cochlear implantation prosthesis that the human body internal ear is used to stimulate auditory nerve, or claim cochlear implant; Be implanted in retina and be used to retina stimulator that stimulates optic nerve etc.
Nerve stimulator is usually by internal antenna, and electric stimulator and stimulating electrode are formed, and wherein internal antenna is used to receive the signal of external emission, and electric stimulator produces corresponding stimulating current, and electrode reaches nervous tissue with electricity irritation.
Nerve stimulator belongs to safety and the highest active three class implants of effectiveness requirement.Based on the particularity of its application, not only require the nerve stimulation function should be safe and effective, and wish can be in the duty of external monitoring stimulator, and the relevant human body physiological parameter of energy measurement.
Summary of the invention
Technical problem to be solved by this invention is, a kind of nerve stimulator is provided, be used to solve existing nerve stimulator can only unidirectional enforcement to the galvanism of nerve, and can't know the problem of the physiological parameter of the physical parameter of nerve stimulator and corresponding human body.
For solving the problems of the technologies described above, the invention provides a kind of nerve stimulator, comprise the internal antenna, through path, the stimulating electrode that are linked in sequence, also comprise the backward channel that is connected between stimulating electrode and the internal antenna, wherein:
Described internal antenna receives external radio-frequency antenna signal, and through path produces according to the aerial signal that receives and is used for neuroactive stimulating current; Stimulating electrode stimulates nerve according to the stimulating current that through path produces; Backward channel is used to monitor physics and the physiological parameter relevant with electricity irritation with measurement, and gained physics and physiological parameter are fed back to external antenna by internal antenna.
Further, described backward channel comprises:
Physics and physiological parameter detecting unit are used to detect stimulating electrode in Electric Field Distribution on each electrode of the impedance between the nervous tissue, stimulating current, neural to the reaction of electricity irritation and the duty of through path;
Coding/communication unit is used for detected physics and physiological parameter are carried out mould/number conversion, parallel/serial conversion, Frame coding and storage successively, and is transferred to external antenna with the reverse telemetry that the load-modulate mode will be stored from internal antenna.
Further, described physics and physiological parameter detecting unit comprise:
Three select a selector switch, are used for selecting a parameter to send into backward channel from electrode impedance, Electric Field Distribution and three kinds of parameters of nerves reaction; Programmable amplifier is used for selecting a selector switch to select the amplification that gains of the parameter signals of output to described three; N selects 1 selector switch, is used for the parameter signal after the gain amplification is optionally monitored the duty of monitoring nerve stimulator inside; Low pass filter able to programme is used for N is selected the selected parameter signal of 1 selector switch, carries out bandpass filtering, exports filtered signal to coding/communication unit.
Further, described physics and physiological parameter detecting unit comprise:
A/D converter is used for the reverse signal by physics and the input of physiological parameter detecting unit is converted to digital quantity by analog quantity;
Parallel/serial convertor, be used for the parallel output data of A/D converter is converted to serial data;
The Frame encoder is used for the serial data of described walking abreast/serial convertor output is added frame synchronization coding and parity check code;
Data storage is used for the reverse link parameter data after the Frame encoder encodes are stored;
The reverse data manipulator is used for reading the reverse link parameter data from data storage, and described reverse link parameter data are carried out modulation treatment, transfers to the reverse link parameter signal after the modulation external via internal antenna.
Further, described reverse data manipulator is in the mode of load-modulate the reverse digital signal in the memorizer to be modulated.Described reverse data manipulator utilizes in the memorizer opening and closing of reverse Digital Signals modulation switch, modulation load is inserted from the intrinsic load of internal antenna or disconnects.
Further, described through path comprises:
The energy acquiring unit is used for obtaining energy from the radiofrequency signal of external emission, after voltage-regulation, for whole nerve stimulator provides power supply;
Detecting signal unit is used for detecting fundamental frequency signal and clock signal from the radiofrequency signal carrier wave of external emission, and the fundamental frequency data signal is sent to signal decoding unit;
Signal decoding unit is used for from every information of the fundamental frequency data flow extraction electric stimulation pulse of detecting signal unit output, and the every information of electric stimulation pulse is sent to security control unit and electric stimulator;
Security control unit is used to check the effectiveness of the every information of electric stimulation pulse;
Electric stimulator is used under security control unit control, to the boost pulse that meets effectiveness in the electricity irritation of specifying stimulating electrode to produce required current amplitude, pulse width and stimulus frequency.
Nerve stimulator of the present invention, can utilize backward channel to realize to the collection of the human body physiological parameter under the stimulating electrode effect and the collection of stimulator self physical parameter, and will gather the gained parameter and feed back to external antenna by internal antenna, thereby make patient or doctor can know the corresponding information of nerve stimulation, help to adjust the user mode of nerve stimulator.
The present invention only needs can realize from external to intravital the forward signal transmission and from transmitting to external reverse signal in the body once cover internal antenna and external antenna.Thereby can realize the information feedback of nerve stimulator,, be used for carrying out the control and the adjustment of stimulator with reference to these information so that know more internal physical and physiological parameter information for doctor or user.
Description of drawings
Fig. 1 is the nerve stimulator sketch map of double band through path of the present invention and backward channel;
Fig. 2 is the functional block diagram of through path 102 in the nerve stimulator;
Fig. 3 is the functional block diagram of backward channel 104 in the nerve stimulator;
Fig. 4 is the physics of backward channel and the circuit structure diagram of physiological parameter detecting unit 104A;
Fig. 5 is the modular structure sketch map of the coding/communication unit 104B of backward channel;
Fig. 6 is the work sketch map of reverse data manipulator among the coding/communication unit 104B of backward channel.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, shown a kind of nerve stimulator with reverse telemetry function of the present invention, having comprised: internal antenna 101 is used to receive external radio-frequency antenna signal; Through path 102 is used for producing safety and effectively being used for neuroactive stimulating current according to the aerial signal that receives; Stimulating electrode 103 is used for according to the stimulating current that through path produces nerve being stimulated; Backward channel 104 is used to monitor physical parameter and the human body physiological parameter relevant with electricity irritation with measurement, and will monitor and measure the gained physical parameter and physiological parameter feeds back to external antenna and external monitoring equipment by internal antenna.
The circuit structure of described through path 102 as shown in Figure 2, through path 102 comprises:
Energy acquiring unit 102A is used for from obtaining energy by the radiofrequency signal of the external emission that internal antenna received, after voltage-regulation, for whole nerve stimulator circuit provides power supply;
Detecting signal unit 102B is used for detecting fundamental frequency signal and clock signal from the radiofrequency signal carrier wave by the external emission that internal antenna received, and the fundamental frequency data signal is sent to signal decoding unit 102C;
Signal decoding unit 102C is used for from every information of the fundamental frequency data flow extraction electric stimulation pulse of detecting signal unit 102B output, and the every information of electric stimulation pulse is sent to security control unit 102D and electric stimulator 102E;
Security control unit 102D is used to check the effectiveness of the every information of electric stimulation pulse prevent to produce unsafe electricity irritation, for example: stimulate the positive and negative charge imbalance, overstimulation, ineffective stimulation parameter, electrode Electro-Static Discharge and unmatched extracorporeal treatment device;
Electric stimulator 102E, generally include digital to analog converter, current source and switching network, according to the every information of boost pulse, under security control unit 102D control, to meeting the boost pulse of effectiveness index, in the electricity irritation of specifying stimulating electrode to produce required current amplitude, pulse width and stimulus frequency.
As shown in Figure 3, the functional block diagram that has shown described backward channel 104.Described backward channel 104 comprises:
Physics and physiological parameter detecting unit 104A are used to detect stimulating electrode in Electric Field Distribution on each electrode of the impedance between the nervous tissue, stimulating current, neural to the reaction of electricity irritation and the duty of electric stimulator 102E.
Coding/communication unit 104B, be used for detected physics and physiological parameter carry out that mould/number changes, parallel/serial conversion, Frame coding and storage, and the reverse telemetry in the memorizer is transferred to external antenna from internal antenna in the load-modulate mode.
Further, the circuit structure of physics shown in Figure 3 and physiological parameter detecting unit 104A as shown in Figure 4.This physics and physiological parameter detecting unit 104A comprise:
1) three select a selector switch, be used for selecting a parameter to send into backward channel from electrode impedance, Electric Field Distribution and three kinds of parameters of nerves reaction, wherein, these three kinds of parameters have different signal amplitude scopes, and concrete scope can be regulated in conjunction with actual needs and is provided with;
2) 0-60dB programmable amplifier, according to described three parameter signals that select the selected output of a selector switch, by programmable amplifier to the amplification that gains of the parameter signal of this selection output, the gain multiple can concrete the setting be amplified to the appropriate signal amplitude with the reverse link parameter signal of selecting according to parameter type is different;
3) N selects 1 selector switch, is used for monitoring selectively the key job state of stimulator inside;
4) low pass filter able to programme is used for according to selected parameter signal, by the band connection frequency of programme-control wave filter, thus the interference of the outer frequency signal of filtering passband.The output signal of wave filter is delivered to coding/communication unit 104B.
As shown in Figure 5, shown the modular structure sketch map of the coding/communication unit 104B of backward channel, this coding/communication unit 104B comprises:
A) A/D converter (ADC) is used for the reverse signal of input is converted to digital quantity by analog quantity, to improve the reliability of reverse data transmission;
B) parallel/serial convertor is used for the parallel output data of ADC is converted to serial data, to adapt to the needs of follow-up data coding and transfer of data;
C) Frame encoder is used for the reverse link parameter data of described walking abreast/serial convertor output are added frame synchronization coding and parity check code, with the synchronous and data check of convenient external reverse signal receptor;
D) data storage is used for the reverse link parameter data behind the coding are stored;
E) reverse data manipulator is used for reading the reverse link parameter data from data storage, and described reverse link parameter data are carried out modulation treatment, will transfer to external via internal antenna through the repercussion parameter signal after the modulation.
As shown in Figure 6, the modulation system sketch map that has shown described reverse data manipulator.Wherein, the reverse data manipulator transfers to external antenna with the reverse digital signal in the memorizer by internal antenna in the mode of load-modulate.Reverse digital signaling zero in the memorizer/1 control modulation switch K leaving and closing, thereby a modulation load Rm is inserted from the intrinsic load Re of internal antenna or disconnects.
The signal amplitude of external antenna can change along with the load variations of internal antenna.The reverse signal testing circuit of extracorporeal circuit detects intravital reverse digital signal by the signal amplitude variation of detection bodies outside antenna.Adopt this reversing data transmission method, only need to realize from external to intravital the forward signal transmission and from transmitting to external reverse signal in the body once cover internal antenna and external antenna.Thereby can realize the information feedback of nerve stimulator,, be used for carrying out the control and the adjustment of stimulator with reference to these information so that know more internal physical and physiological parameter information for doctor or user.
The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.

Claims (7)

1. a nerve stimulator is characterized in that, comprises the internal antenna, through path, the stimulating electrode that are linked in sequence, also comprises the backward channel that is connected between stimulating electrode and the internal antenna, wherein:
Described internal antenna receives external radio-frequency antenna signal, and through path produces according to the aerial signal that receives and is used for neuroactive stimulating current; Stimulating electrode stimulates nerve according to the stimulating current that through path produces; Backward channel is used to monitor physics and the physiological parameter relevant with electricity irritation with measurement, and gained physics and physiological parameter are fed back to external antenna by internal antenna.
2. nerve stimulator as claimed in claim 1 is characterized in that, described backward channel comprises:
Physics and physiological parameter detecting unit are used to detect stimulating electrode in Electric Field Distribution on each electrode of the impedance between the nervous tissue, stimulating current, neural to the reaction of electricity irritation and the duty of through path;
Coding/communication unit is used for detected physics and physiological parameter are carried out mould/number conversion, parallel/serial conversion, Frame coding and storage successively, and is transferred to external antenna with the reverse telemetry that the load-modulate mode will be stored from internal antenna.
3. nerve stimulator as claimed in claim 2 is characterized in that, described physics and physiological parameter detecting unit comprise:
Three select a selector switch, are used for selecting a parameter to send into backward channel from electrode impedance, Electric Field Distribution and three kinds of parameters of nerves reaction;
Programmable amplifier is used for selecting a selector switch to select the amplification that gains of the parameter signals of output to described three;
N selects 1 selector switch, is used for the parameter signal after the gain amplification is optionally monitored the duty of monitoring nerve stimulator inside;
Low pass filter able to programme is used for N is selected the selected parameter signal of 1 selector switch, carries out bandpass filtering, exports filtered signal to coding/communication unit.
4. nerve stimulator as claimed in claim 2 is characterized in that, described physics and physiological parameter detecting unit comprise:
A/D converter is used for the reverse signal by physics and the input of physiological parameter detecting unit is converted to digital quantity by analog quantity;
Parallel/serial convertor, be used for the parallel output data of A/D converter is converted to serial data;
The Frame encoder is used for the serial data of described walking abreast/serial convertor output is added frame synchronization coding and parity check code;
Data storage is used for the reverse link parameter data after the Frame encoder encodes are stored;
The reverse data manipulator is used for reading the reverse link parameter data from data storage, and described reverse link parameter data are carried out modulation treatment, transfers to the reverse link parameter signal after the modulation external via internal antenna.
5. nerve stimulator as claimed in claim 4 is characterized in that, described reverse data manipulator is in the mode of load-modulate the reverse digital signal in the memorizer to be modulated.
6. nerve stimulator as claimed in claim 5 is characterized in that, described reverse data manipulator utilizes in the memorizer opening and closing of reverse Digital Signals modulation switch, modulation load is inserted from the intrinsic load of internal antenna or disconnects.
7. nerve stimulator as claimed in claim 1 is characterized in that, described through path comprises:
The energy acquiring unit is used for obtaining energy from the radiofrequency signal of external emission, after voltage-regulation, for whole nerve stimulator provides power supply;
Detecting signal unit is used for detecting fundamental frequency signal and clock signal from the radiofrequency signal carrier wave of external emission, and the fundamental frequency data signal is sent to signal decoding unit;
Signal decoding unit is used for from every information of the fundamental frequency data flow extraction electric stimulation pulse of detecting signal unit output, and the every information of electric stimulation pulse is sent to security control unit and electric stimulator;
Security control unit is used to check the effectiveness of the every information of electric stimulation pulse;
Electric stimulator is used under security control unit control, to the boost pulse that meets effectiveness in the electricity irritation of specifying stimulating electrode to produce required current amplitude, pulse width and stimulus frequency.
CN201010000519A 2010-01-11 2010-01-11 Nerve stimulator Pending CN101773701A (en)

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103608069A (en) * 2011-03-24 2014-02-26 加利福尼亚理工学院 Neurostimulator
CN103648583A (en) * 2011-05-13 2014-03-19 萨鲁达医疗有限公司 Method and apparatus for measurement of neural response - a
CN104080509A (en) * 2011-07-29 2014-10-01 斯蒂维科技公司 Remote control of power or polarity selection for a neural stimulator
CN104548344A (en) * 2015-01-16 2015-04-29 江苏科技大学 Injection type nerve stimulator with power supplied by radio frequency energy
CN104548346A (en) * 2015-01-16 2015-04-29 江苏科技大学 Injecting type nerve stimulator with electromagnetic coupling link power supply
CN104689472A (en) * 2014-11-28 2015-06-10 苏州景昱医疗器械有限公司 Electromagnetic type magnetic sensitive information feedback method and system
CN105012051A (en) * 2015-06-30 2015-11-04 上海力声特医学科技有限公司 Handshake method and handshake unit for cochlear implant communication protocol
CN105492066A (en) * 2013-06-13 2016-04-13 迪彦希斯有限公司 Method and apparatus for stimulative electrotherapy
CN105688333A (en) * 2016-01-12 2016-06-22 中国人民解放军军事医学科学院基础医学研究所 Nerve effect evaluation apparatus of external transcranial magnetic stimulation
US9409029B2 (en) 2014-05-12 2016-08-09 Micron Devices Llc Remote RF power system with low profile transmitting antenna
CN106075721A (en) * 2016-05-30 2016-11-09 沈阳弘鼎康医疗器械有限公司 Impedometer
US9566449B2 (en) 2011-01-28 2017-02-14 Micro Devices, LLC Neural stimulator system
CN106725419A (en) * 2017-04-10 2017-05-31 陈东朝 Amplifier of creatures' physical electric signals device
CN107073266A (en) * 2014-09-23 2017-08-18 波士顿科学神经调制公司 The system and method for the selection that user for receiving electrode list provides
US9789314B2 (en) 2011-04-04 2017-10-17 Micron Devices Llc Implantable lead
CN107773238A (en) * 2016-08-24 2018-03-09 四川锦江电子科技有限公司 A kind of cardiac electrophysiology program stimulation instrument
US9974965B2 (en) 2011-09-15 2018-05-22 Micron Devices Llc Relay module for implant
US10315039B2 (en) 2011-01-28 2019-06-11 Stimwave Technologies Incorporated Microwave field stimulator
CN111202669A (en) * 2020-01-08 2020-05-29 微传智能科技(上海)有限公司 Body-embedded physical therapy training device and application thereof
US10953228B2 (en) 2011-04-04 2021-03-23 Stimwave Technologies Incorporated Implantable lead
WO2022218125A1 (en) * 2021-04-16 2022-10-20 北京领创医谷科技发展有限责任公司 Implantable nerve stimulator system
US11583683B2 (en) 2012-12-26 2023-02-21 Stimwave Technologies Incorporated Wearable antenna assembly

Cited By (38)

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US10471262B2 (en) 2011-01-28 2019-11-12 Stimwave Technologies Incorporated Neural stimulator system
US9925384B2 (en) 2011-01-28 2018-03-27 Micron Devices Llc Neural stimulator system
US9757571B2 (en) 2011-01-28 2017-09-12 Micron Devices Llc Remote control of power or polarity selection for a neural stimulator
US9566449B2 (en) 2011-01-28 2017-02-14 Micro Devices, LLC Neural stimulator system
US10315039B2 (en) 2011-01-28 2019-06-11 Stimwave Technologies Incorporated Microwave field stimulator
US10420947B2 (en) 2011-01-28 2019-09-24 Stimwave Technologies Incorporated Polarity reversing lead
CN103608069B (en) * 2011-03-24 2017-03-29 加利福尼亚理工学院 Nerve stimulator
CN103608069A (en) * 2011-03-24 2014-02-26 加利福尼亚理工学院 Neurostimulator
US10238874B2 (en) 2011-04-04 2019-03-26 Stimwave Technologies Incorporated Implantable lead
US10953228B2 (en) 2011-04-04 2021-03-23 Stimwave Technologies Incorporated Implantable lead
US11872400B2 (en) 2011-04-04 2024-01-16 Curonix Llc Implantable lead
US9789314B2 (en) 2011-04-04 2017-10-17 Micron Devices Llc Implantable lead
CN103648583B (en) * 2011-05-13 2016-01-20 萨鲁达医疗有限公司 For measuring method and the instrument of nerves reaction-A
CN103648583A (en) * 2011-05-13 2014-03-19 萨鲁达医疗有限公司 Method and apparatus for measurement of neural response - a
CN104080509B (en) * 2011-07-29 2017-09-08 米克伦设备有限责任公司 The remote control that power or polarity for nerve stimulator are selected
CN104080509A (en) * 2011-07-29 2014-10-01 斯蒂维科技公司 Remote control of power or polarity selection for a neural stimulator
US11745020B2 (en) 2011-09-15 2023-09-05 Curonix Llc Relay module for implant
US9974965B2 (en) 2011-09-15 2018-05-22 Micron Devices Llc Relay module for implant
US11583683B2 (en) 2012-12-26 2023-02-21 Stimwave Technologies Incorporated Wearable antenna assembly
CN105492066A (en) * 2013-06-13 2016-04-13 迪彦希斯有限公司 Method and apparatus for stimulative electrotherapy
CN105492066B (en) * 2013-06-13 2018-03-27 迪彦希斯有限公司 For stimulating diathermic method and apparatus
US10258800B2 (en) 2014-05-12 2019-04-16 Stimwave Technologies Incorporated Remote RF power system with low profile transmitting antenna
US9409029B2 (en) 2014-05-12 2016-08-09 Micron Devices Llc Remote RF power system with low profile transmitting antenna
CN107073266A (en) * 2014-09-23 2017-08-18 波士顿科学神经调制公司 The system and method for the selection that user for receiving electrode list provides
CN107073266B (en) * 2014-09-23 2020-08-11 波士顿科学神经调制公司 System and method for receiving user-provided selections of electrode lists
CN104689472A (en) * 2014-11-28 2015-06-10 苏州景昱医疗器械有限公司 Electromagnetic type magnetic sensitive information feedback method and system
CN104548344A (en) * 2015-01-16 2015-04-29 江苏科技大学 Injection type nerve stimulator with power supplied by radio frequency energy
CN104548346A (en) * 2015-01-16 2015-04-29 江苏科技大学 Injecting type nerve stimulator with electromagnetic coupling link power supply
CN104548346B (en) * 2015-01-16 2017-02-22 江苏科技大学 Injecting type nerve stimulator with electromagnetic coupling link power supply
CN105012051A (en) * 2015-06-30 2015-11-04 上海力声特医学科技有限公司 Handshake method and handshake unit for cochlear implant communication protocol
CN105688333B (en) * 2016-01-12 2019-02-26 中国人民解放军军事医学科学院基础医学研究所 A kind of neural effect evaluating apparatus of external transcranial magnetic stimulation
CN105688333A (en) * 2016-01-12 2016-06-22 中国人民解放军军事医学科学院基础医学研究所 Nerve effect evaluation apparatus of external transcranial magnetic stimulation
CN106075721A (en) * 2016-05-30 2016-11-09 沈阳弘鼎康医疗器械有限公司 Impedometer
CN106075721B (en) * 2016-05-30 2018-06-19 沈阳弘鼎康医疗器械有限公司 Impedometer
CN107773238A (en) * 2016-08-24 2018-03-09 四川锦江电子科技有限公司 A kind of cardiac electrophysiology program stimulation instrument
CN106725419A (en) * 2017-04-10 2017-05-31 陈东朝 Amplifier of creatures' physical electric signals device
CN111202669A (en) * 2020-01-08 2020-05-29 微传智能科技(上海)有限公司 Body-embedded physical therapy training device and application thereof
WO2022218125A1 (en) * 2021-04-16 2022-10-20 北京领创医谷科技发展有限责任公司 Implantable nerve stimulator system

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Address after: Yuhang District, Hangzhou City, Zhejiang Province, 311100 West No. 1500 Building 1 room 325

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Inventor before: Sun Xiaoan

Inventor before: Zeng Fangang

Inventor before: Chen Hongbin

Inventor before: Fu Qianjie

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Application publication date: 20100714