CN102921104A - Functional electric stimulation device and method thereof - Google Patents
Functional electric stimulation device and method thereof Download PDFInfo
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- CN102921104A CN102921104A CN2012104827813A CN201210482781A CN102921104A CN 102921104 A CN102921104 A CN 102921104A CN 2012104827813 A CN2012104827813 A CN 2012104827813A CN 201210482781 A CN201210482781 A CN 201210482781A CN 102921104 A CN102921104 A CN 102921104A
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Abstract
The invention discloses a functional electric stimulation device which comprises a display screen, a singlechip, a stimulation current generator and electrode plates, wherein the display screen is connected with the singlechip and used for displaying the parameters of the functional electric stimulation device; the singlechip controls the make-and-break of the stimulation current generator; the currents generated by the stimulation current generator act on muscles through the electrode plates; the singlechip is embedded to simulate a muscle action time series program related to the body movement of a normal person; and the program controls the stimulation current generating time series of the stimulation current generator. Through the functional electric stimulation device, the program control of make-and-break time series of the currents flowing through the electrode plates acting on the limb parts of the person is realized, and the whole therapeutic process can be fulfilled without the need of external assistance; and the device is provided with a plurality of channels which can accurately realize simulation of body movement activities and rehabilitation therapy to the patient. According to a method provided by the invention, the activities of the muscles of the normal person during movement are simulated by setting the time series of the activities of the limb parts of the body of the person, so as to realize rehabilitation therapy to the patient.
Description
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of functional electric stimulation device and method.
Background technology
According to World Health Organization's statistics, apoplexy has become the second largest cause of the death of world population at present, is only second to ischemic heart desease.Just have 1 people may suffer from apoplexy among per 6 people in the whole world, just have 1 people to die from apoplexy per 6 seconds, and just have 1 people forever to disable because of apoplexy per 6 seconds.The paralytic is because the musculus flexor spasm often is subject to diastole myasthenia or the not puzzlement of autonomous muscle contraction.As far back as 1971, Liberson is exactly the method help drop foot patient walking with electricity irritation, and the method for electricity irritation is exactly by little galvanism patient muscular tissue, helps to recover human body limb or hand exercise, belong to the physics physical therapy method, the typical utilization is exactly low-frequency therapy apparatus.In various electric stimulation rehabilitations, functional electric stimulation is the most complicated, and reason is that the problem that functional electric stimulation solves is to use the functional movement of galvanism hemiplegia, paralytic patient simulation Healthy People, to reach the rehabilitation efficacy after the apoplexy.
Chinese utility model patent " a kind of functional low-frequency electrostimulating therapy equipment based on the human body walking pattern " (Granted publication CN201431704Y) discloses a kind of functional low-frequency electrostimulating apparatus, this device need to be by the process control module, namely the switch of outside triggering is to assist the normal use of this device, within treatment time, assistance many times is that medical personnel or this work of household all are heavy, another kind method is that patient oneself triggers, this more can not finely be realized concerning itself taken action distortion or constant patient.
" China Medical Device Information " the 2nd phase of the 16th volume in 2010 has been put down in writing document " based on the low-frequency electrical stimulation pulse paralysis therapeutic instrument of walking mode ", described equipment also is need to be by the trigger switch of outside assisting the normal use of this device, also is based on the said equipment for the method for rehabilitation of Walk Simulation rehabilitation and makes.
Summary of the invention
Goal of the invention: the object of the invention is to the problem for the artificial several times external trigger of needs functional electric stimulation device, a kind of functional electric stimulation Apparatus and system that can control the current switching sequential is provided.
Technical scheme: the invention provides a kind of functional electric stimulation device, comprise display screen, single-chip microcomputer, stimulating current generator and electrode slice, display screen connects single-chip microcomputer, be used for showing the parameter of described functional electric stimulation device, the program of the musculation sequential that the embedded simulation of single-chip microcomputer normal person limb motion relates to, programme-control stimulating current generator produces the sequential of stimulating current, and stimulating current acts on muscle by electrode slice;
Described stimulating current generator comprises gauge tap, comparison amplifier, master switch, feedback circuit and transformator, single-chip microcomputer links to each other with gauge tap, described gauge tap connects comparison amplifier, the outfan of comparison amplifier links to each other with transformator by master switch, described transformator connects the input of comparison amplifier by feedback circuit, the outfan of transformator links to each other with electrode slice simultaneously.In order to adapt with each limbs position muscle movement of human body, the stimulating current generator contains four with upper channel, a kind of muscle movement sequential of each channel setting, and each passage connects 1 group of electrode slice, and every group of electrode slice has 2.
As present invention further optimization, transformator is pulse transformer, and former secondary coil turn ratio is 15:1, is suitable for the electric current less than 100mA that stimulates the human muscle to move in order to generation.
A kind of functional electric stimulation method may further comprise the steps:
(1) described single-chip microcomputer passes to gauge tap in the described stimulating current generator with the clock signal in the program, and gauge tap is according to the clock signal break-make;
(2) amplifier comparator according to the break-make of described gauge tap will be relatively after signal be used for the break-make of control master switch;
(3) the break-make control transformer of master switch produces the thereupon identical stimulating current of frequency, and the feedback signal that produces is failed back comparison amplifier by feedback circuit;
(4) stimulating current that produces of transformator conducts muscle to each limbs position of human body by described electrode slice;
(5) display screen shows the parameter in the work of described functional electric stimulation device.
Said method can be used for the muscle at each limbs position of human body, is preferably flexor carpi ulnaris m., extensor carpi radialis muscle, triangular muscle rear portion, biceps brachii m., triangular muscle front portion, triceps brachii, tibialis anterior, gastrocnemius, quadriceps femoris Huo hamstring.
Concrete sequential is, from 0 counts constantly, the beginning and ending time that is used for the functional electric stimulation device of flexor carpi ulnaris m. is 10-80s, the beginning and ending time that is used for the functional electric stimulation device of extensor carpi radialis muscle is 0-10s and 80-90s, the functional electric stimulation device beginning and ending time that is used for triangular muscle rear portion and biceps brachii m. is 20-50s, the beginning and ending time that is used for the functional electric stimulation device of triangular muscle front portion and triceps brachii is 50-80s, and sets as a circulation, more than the circulation primary with this.
Perhaps, from 0 counts constantly, the beginning and ending time that is used for the functional electric stimulation device of tibialis anterior is 0-5s and 55-100s, the beginning and ending time that is used for the functional electric stimulation device of gastrocnemius is 5-50s, the beginning and ending time that is used for the functional electric stimulation device of quadriceps femoris is that the beginning and ending time of the functional electric stimulation device of 0-5s, 55-65s and 90-100s Yong Yu hamstring is 0-5s and 80-100s, and sets as a circulation, more than the circulation primary with this.
Beneficial effect: 1, the present invention has realized the break-make sequential of sequencing control action current flowing on the electrode slice at people's limbs position, does not need outside assistance just can finish whole therapeutic process; 2, the port number of apparatus of the present invention is many, can accurately realize the simulation of human motion action, realizes the rehabilitation to the patient; 3, the inventive method is by setting the sequential of each limbs position action of human body, and the muscle movement of simulation normal person motion is realized the rehabilitation to the patient.
Description of drawings
The schematic diagram of Fig. 1 apparatus of the present invention;
The circuit diagram of a passage of Fig. 2 apparatus of the present invention.
The specific embodiment
The below is elaborated to technical solution of the present invention, but protection scope of the present invention is not limited to described embodiment.
Embodiment:A kind of functional electric stimulation device of the present invention, as shown in Figure 1, comprise display screen 1, single-chip microcomputer 2, stimulating current generator 3 and electrode slice 4, described display screen 1 connects single-chip microcomputer 2, be used for showing the parameter of described functional electric stimulation device, the program of the musculation sequential that single-chip microcomputer 2 embedded simulation normal person limb motions relate to, this programme-control stimulating current generator 3 produces the sequential of stimulating current, and stimulating current acts on muscle by electrode slice 4.
Stimulating current generator 3 comprises gauge tap 301, comparison amplifier 302, master switch 304, feedback circuit 303 and transformator 305, the break-make of the signal controlling gauge tap 301 of single-chip microcomputer 2, gauge tap 301 connects comparison amplifier 302, the break-make of the signal controlling master switch 304 of comparison amplifier 302 usefulness after relatively, master switch 304 connection transformers 305, transformator 305 is input to comparison amplifier 302 by feedback circuit 303 with feedback signal, and ultimate current is transferred to electrode slice 4 by transformator 305.
Stimulating current generator 3 contains four passages, and corresponding 4, one groups of the one group of electrode slices that connect of each passage comprise 2 plate electrode sheets.
The concrete connecting circuit of 3 one passages of stimulating current generator as shown in Figure 2, LCD display 1 connects the ATmaga8 single-chip microcomputer 2 that special Mel semiconductor company (Atmel) is liked by the U.S., ATmaga8 single-chip microcomputer 2 is exported 2 tunnel pulse width modulations (PWM) signal according to the sequential of current path setting, one termination enters the base stage of transistor Q1, namely one road pwm signal is input to transistor Q1, the other end connects the colelctor electrode of transistor Q1, the colelctor electrode of transistor Q1 connects the in-phase input end of comparison amplifier U1 simultaneously, be the in-phase end that is input to comparison amplifier U1 after the output of transistor Q1 and the stack of another road pwm signal, the grounded emitter of transistor Q1; The outfan of comparison amplifier U1 connects the base stage of transistor Q2, the break-make of the output signal control transistor Q2 of comparison amplifier U1, the emitter stage of transistor Q2 connects feedback resistance R1, feedback resistance R1 connects the end of oppisite phase of amplifier U1 simultaneously, be the feedback signal of the emitter stage input feedback resistance R 1 of transistor Q2 accesses amplifier U1 after dividing potential drop end of oppisite phase, the other end ground connection of feedback resistance R1; Transformator T1 is pulse transformer, former secondary coil turn ratio is 15:1, the former edge joint of transformator T1 enters cathode power supply Vcc, the colelctor electrode of transistor Q2 is connected to the other end on the former limit of transformator T1, the break-make of transistor Q2 causes the interrupted of transformator T1 primary current, the pulse current that control V cc produces by transformator, the secondary connection electrode sheet 4 of transformator T1, secondary current is because electromagnetic coupled produces corresponding pulse current input electrode sheet 4, electric current is by the muscle of electrode slice 4 conduction to the patient, patient's muscle is subject to the stimulation of electric current, produces action.
Use the functional electric stimulation method of said apparatus, may further comprise the steps:
(1) described single-chip microcomputer passes to transistor Q1 in the stimulating current generator with the clock signal in the program, and transistor Q1 is according to the clock signal break-make;
(2) amplifier comparator U1 according to the break-make of described transistor Q1 will be relatively after signal be used for the break-make of control transistor Q2;
(3) the break-make control transformer T1 of transistor Q2 produces the thereupon identical stimulating current of frequency, and the feedback signal that produces is failed back to comparison amplifier U1 after feedback resistance R1 dividing potential drop;
(4) stimulating current of transformator T1 generation is by the muscle of described electrode slice 4 conduction to each limbs position of human body;
(5) parameter in the work of the described functional electric stimulation device of display screen 1 demonstration.
Said method is used for the flexor carpi ulnaris m. of human body, extensor carpi radialis muscle, the triangular muscle rear portion, biceps brachii m., triangular muscle is anterior, when triceps brachii and tibialis anterior, the concrete sequential of setting is: from 0 counts constantly, the beginning and ending time that is used for the functional electric stimulation device of flexor carpi ulnaris m. is 10-80s, the beginning and ending time that is used for the functional electric stimulation device of extensor carpi radialis muscle is 0-10s and 80-90s, the functional electric stimulation device beginning and ending time that is used for triangular muscle rear portion and biceps brachii m. is 20-50s, the beginning and ending time that is used for the functional electric stimulation device of triangular muscle front portion and triceps brachii is 50-80s, and set as a circulation, more than the circulation primary with this.
Said method is used for the tibialis anterior, gastrocnemius, quadriceps femoris of human body with during hamstring, the concrete sequential of setting is: from 0 counts constantly, the beginning and ending time that is used for the functional electric stimulation device of tibialis anterior is 0-5s and 55-100s, the beginning and ending time that is used for the functional electric stimulation device of gastrocnemius is 5-50s, the beginning and ending time that is used for the functional electric stimulation device of quadriceps femoris is that the beginning and ending time of the functional electric stimulation device of 0-5s, 55-65s and 90-100s Yong Yu hamstring is 0-5s and 80-100s, and set as a circulation, more than the circulation primary with this.
The sequential of above two kinds of settings all is the sequential of simulation normal human muscle movement when moving, and therefore impels the patient to recover normal person's muscle function motion, reaches the purpose of therapy rehabilitation.
As mentioned above, although represented and explained the present invention with reference to specific preferred embodiment, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (9)
1. functional electric stimulation device, comprise display screen (1), single-chip microcomputer (2), stimulating current generator (3) and electrode slice (4), it is characterized in that: described display screen (1) connects single-chip microcomputer (2), be used for showing the parameter of described functional electric stimulation device, the program of the musculation sequential that the embedded simulation of described single-chip microcomputer (2) normal person limb motion relates to, described programme-control stimulating current generator (3) produces the sequential of stimulating current, and stimulating current acts on muscle by electrode slice (4);
Described stimulating current generator (3) comprises gauge tap (301), comparison amplifier (302), master switch (304), feedback circuit (303) and transformator (305), single-chip microcomputer (2) links to each other with gauge tap (301), described gauge tap (301) connects comparison amplifier (302), the outfan of described comparison amplifier (302) links to each other with transformator (305) by master switch (304), described transformator (305) connects the input of comparison amplifier (302) by feedback circuit (303), the outfan of transformator (305) links to each other with electrode slice (4) simultaneously.
2. functional electric stimulation device according to claim 1 and 2, it is characterized in that: described stimulating current generator (3) contains four with upper channel.
3. functional electric stimulation device according to claim 3, it is characterized in that: each passage of described stimulating current generator (3) connects one group of electrode slice (4), and every group comprises 2 plate electrode sheets (4).
4. functional electric stimulation device according to claim 1, it is characterized in that: described transformator (305) is pulse transformer.
5. functional electric stimulation device according to claim 4, it is characterized in that: the former secondary coil turn ratio of described pulse transformer is 15:1.
6. functional electric stimulation method is characterized in that: may further comprise the steps:
(1) described single-chip microcomputer passes to gauge tap in the described stimulating current generator with the clock signal in the program, and gauge tap is according to the clock signal break-make;
(2) amplifier comparator according to the break-make of described gauge tap will be relatively after signal be used for the break-make of control master switch;
(3) the break-make control transformer of master switch produces the thereupon identical stimulating current of frequency, and the feedback signal that produces is failed back comparison amplifier by feedback circuit;
(4) stimulating current that produces of transformator conducts muscle to each limbs position of human body by described electrode slice;
(5) display screen shows the parameter in the work of described functional electric stimulation device.
7. functional electric stimulation method according to claim 5, it is characterized in that: the muscle at each limbs position of human body described in the step (4) is flexor carpi ulnaris m., extensor carpi radialis muscle, triangular muscle rear portion, biceps brachii m., triangular muscle front portion, triceps brachii, tibialis anterior, gastrocnemius, quadriceps femoris Huo hamstring.
8. functional electric stimulation method according to claim 7, it is characterized in that: from 0 counts constantly, the beginning and ending time that is used for the functional electric stimulation device of flexor carpi ulnaris m. is 10-80s, the beginning and ending time that is used for the functional electric stimulation device of extensor carpi radialis muscle is 0-10s and 80-90s, the functional electric stimulation device beginning and ending time that is used for triangular muscle rear portion and biceps brachii m. is 20-50s, the beginning and ending time that is used for the functional electric stimulation device of triangular muscle front portion and triceps brachii is 50-80s, and set as a circulation, more than the circulation primary with this.
9. functional electric stimulation method according to claim 7, it is characterized in that: from 0 counts constantly, the beginning and ending time that is used for the functional electric stimulation device of tibialis anterior is 0-5s and 55-100s, the beginning and ending time that is used for the functional electric stimulation device of gastrocnemius is 5-50s, the beginning and ending time that is used for the functional electric stimulation device of quadriceps femoris is that the beginning and ending time of the functional electric stimulation device of 0-5s, 55-65s and 90-100s Yong Yu hamstring is 0-5s and 80-100s, and set as a circulation, more than the circulation primary with this.
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| CN2012104827813A CN102921104A (en) | 2012-11-26 | 2012-11-26 | Functional electric stimulation device and method thereof |
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| CN2012104827813A CN102921104A (en) | 2012-11-26 | 2012-11-26 | Functional electric stimulation device and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310519A (en) * | 2016-08-31 | 2017-01-11 | 王东岩 | Flexor and extensor alternative electrical stimulation apparatus used for curing paralysis |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041883A (en) * | 1988-10-19 | 1990-05-09 | 中国医学科学院生物医学工程研究所 | The physical therapy device that is used for hemiplegia patient |
| US20040082979A1 (en) * | 2002-10-23 | 2004-04-29 | Kai-Yu Tong | Functional electrical stimulation system |
| CN201342193Y (en) * | 2009-01-08 | 2009-11-11 | 北京大学第一医院 | Functional electric stimulation trainer for lower limb |
| CN201431704Y (en) * | 2009-06-10 | 2010-03-31 | 燕铁斌 | Functional low-frequency electrical stimulation therapy device based on mode of human walking |
| CN203090255U (en) * | 2012-11-26 | 2013-07-31 | 南京伟思医疗科技有限责任公司 | Functional electrical stimulation device |
-
2012
- 2012-11-26 CN CN2012104827813A patent/CN102921104A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041883A (en) * | 1988-10-19 | 1990-05-09 | 中国医学科学院生物医学工程研究所 | The physical therapy device that is used for hemiplegia patient |
| US20040082979A1 (en) * | 2002-10-23 | 2004-04-29 | Kai-Yu Tong | Functional electrical stimulation system |
| CN201342193Y (en) * | 2009-01-08 | 2009-11-11 | 北京大学第一医院 | Functional electric stimulation trainer for lower limb |
| CN201431704Y (en) * | 2009-06-10 | 2010-03-31 | 燕铁斌 | Functional low-frequency electrical stimulation therapy device based on mode of human walking |
| CN203090255U (en) * | 2012-11-26 | 2013-07-31 | 南京伟思医疗科技有限责任公司 | Functional electrical stimulation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310519A (en) * | 2016-08-31 | 2017-01-11 | 王东岩 | Flexor and extensor alternative electrical stimulation apparatus used for curing paralysis |
| CN106310519B (en) * | 2016-08-31 | 2018-10-02 | 王东岩 | A kind of musculus flexor and extensor alternating electrical stimulation device for treating paralysis |
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Application publication date: 20130213 |