CN102145204B - External counterpulsation device and external counterpulsation signal control method - Google Patents
External counterpulsation device and external counterpulsation signal control method Download PDFInfo
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Abstract
The invention discloses an external counterpulsation device and an external counterpulsation signal control method. The device at least comprises an acquisition module, a pulse control module and a stimulating electrode connected sequentially; the acquisition module acquires human body signals and transmits the human body signals to the pulse control module; the pulse control module processes the received human body signals, generates counterpulsation stimulating pulse signals, simultaneously sets time delay related with the counterpulsation stimulating pulse signals, and transmits the counterpulsation stimulating pulse signals to the stimulating electrode; and the stimulating electrode is arranged at the position attached to the external skin of the human body muscle, and executes counterpulsation operation according to the counterpulsation stimulating pulse signals. The external counterpulsation device has the advantages of small volume, power economization and low energy consumption by adopting the stimulating electrode to execute the counterpulsation operation.
Description
[technical field]
The present invention relates to a kind of medical treatment device and method, relate in particular to a kind of external counterpulsation apparatus and external counterpulsation signal control method.
[background technology]
At present, the disease that influences human health is a lot, is human main killer at cardiovascular and cerebrovascular diseases such as the depletion of numerous kinds of Diseases rear center, coronary heart disease, angina pectoris, apoplexy, accounts for total sick mortality rate 63.5%.Along with the aggravation of aged tendency of population trend, cardiovascular and cerebrovascular disease Susceptible population sharply increases, and prevention and treatment cardiovascular and cerebrovascular disease have become important topic.According to the statistical data of 2000～2006 " Chinese health statistics yearbooks " of the issue of China Ministry of Public Health, cardiovascular and cerebrovascular disease is to cause one of China's population main causes of death, is in front three always; Disability rate height not only, mortality rate is also very high.
Main Therapeutic Method at this type of disease has Drug therapy, revascularization, artery bypass and blood vessel internal airbag etc. at present.Although this class methods effect is more remarkable, or there are problems such as drug reaction, drug resistance, or have massive hemorrhage, infection and other sequela risks because get involved the sexual trauma operation.
At the nineteen fifty-three professor of Harvard University Kantrowitz the anti-theory of fighting is proposed, through unremitting efforts such as the Soroff of the New York State University professor and professors Zheng Zhensheng of Zhongshan Medical Univ., external counterpulsation apparatus is in development and the improvement of five more than ten years, started a kind of non-intervention, safe and effective, the new way that has no side effect in treatment cardiovascular and cerebrovascular disease field.Its operation principle is: at diastole, the air bag that is wrapped in shank, thigh and the buttocks pressure with about 0.03MPa is pushed or sequential extruding, increase blood and reflux, improve blood circulation.Before arterial valve was closed, quick and complete ground release pressure did not influence the normal blood flow of paradoxical expansion.
Recently year, worldwide carried out with the perspective experiment that the external counterpulsation center is studied and the external counterpulsation treatment congestive heart failure exhausts of composition such as Harvard University, Columbia University, Yale University, the New York State University successively etc.The result shows that external counterpulsation can effectively alleviate angina pectoris, multiple diseases such as the treatment chronic heart failure exhausts, coronary heart disease, and be proved to be to effectively protecting cardiac function, improve quality of life.
And current external counterpulsation apparatus all adopts fluid or hydraulic pressure as power source, all is that compressor, air accumulator or oil storage tank, electromagnetic valve group and various pipeline fitting, air bag etc. are formed.This class extracorporeal counterpulsation device has that volume is big, the defective of high energy consumption.
[summary of the invention]
In view of this, be necessary to provide a kind of volume is little, energy consumption is low external counterpulsation apparatus and the control method of external counterpulsation signal.
The invention provides a kind of external counterpulsation apparatus, comprise at least: the acquisition module of Lian Jieing, pulse control module and stimulating electrode successively; Described acquisition module is gathered human body signal and is transferred to pulse control module; The anti-stimulation pulse signal of fighting is handled and generated to described pulse control module to the human body signal that receives, and sets the time delay that is associated with the described anti-stimulation pulse signal of fighting simultaneously, and the described anti-stimulation pulse signal of fighting is transferred to stimulating electrode; Described stimulating electrode is arranged on and human muscle's external skin joint place, and carries out the anti-work of beating by the anti-stimulation pulse signal of fighting.
Preferably, described stimulating electrode comprises a plurality of stimulating electrode groups, and each described stimulating electrode group is arranged on corresponding described human muscle's external skin joint place and the stimulating electrode group is carried out the anti-work of beating by the time delay that the described anti-stimulation pulse signal of fighting is associated.
Preferably, described a plurality of stimulating electrode group is fitted at least one place in the gluteus maximus both sides of the semitendinosus m. of gastrocnemius, thigh of shank and buttocks respectively.
Preferably, described acquisition module comprises the electrocardiogram acquisition unit at least, gathers electrocardiosignal.
Preferably, described acquisition module comprises finger arteries and veins collecting unit, gathers to refer to the arteries and veins signal.
Preferably, described pulse control module comprises at least: the interface unit of Lian Jieing, processing unit and output unit successively; Described interface unit is used for receiving the human body signal of acquisition module transmission; Described processing unit is handled the human body signal that receives, and generates control signal and transfers to output unit; Described output unit produces the anti-stimulation pulse signal of fighting by control signal.
Preferably, described output unit comprises digital-control constant-flow source and pulse transformer, and described digital-control constant-flow source comprises DA conversion chip and pliotron; Described DA transducer is controlled the base voltage of described pliotron according to the control signal of processing unit, the collector and emitter loop of described pliotron produces the control electric current and controls the former limit input current of described pulse transformer, generates the controlled anti-stimulation pulse signal of fighting.
Preferably, described digital-control constant-flow source also comprises analog switch, described analog switch is selected the current work state of described pliotron according to the control signal of processing unit, change the sense of current of described pulse transformer according to the current work state of described pliotron, generate the two-way anti-stimulation pulse signal of fighting.
Preferably, described pliotron is provided with the current-limiting resistance of series connection with it, adjusts described pliotron base voltage.
Preferably, described pulse control module also comprises the display unit that is connected with processing unit, is used for the result of display processing unit, and described display unit adopts LED or OLED display screen.
Preferably, described pulse control module also comprises the input block that is connected with processing unit, and described input block is to the processing unit input select signal.
Preferably, described selection signal is: voltage selection, the anti-boost pulse frequency selection of fighting, the anti-selection of time of fighting, counter fight selection of times or suspend begin to select.
Preferably, described pulse control module comprises power supply, is used to interface unit, processing unit, display unit and output unit that electric energy is provided; Described power supply is ni-mh or lithium battery.
The present invention also provides a kind of external counterpulsation signal control method, comprises the steps: step S1, gathers human body signal; Step S2, the human body signal also generates the anti-stimulation pulse signal of fighting, and sets the time delay that the described anti-stimulation pulse signal of fighting is associated simultaneously; Step S3, the anti-stimulation pulse signal of fighting that transmission is associated with described setting-up time delay.
Preferably, described human body signal is electrocardiosignal and/or refers to the arteries and veins signal.
Preferably, described step S2 in turn includes the following steps: S21, interface unit is provided, and be used for receiving human body signal; S22 provides processing unit, is used for the human body signal that receives is handled, and generates control signal and transfers to output unit; S23 provides output unit, is used for producing the anti-stimulation pulse signal of fighting by control signal, sets the time delay that the described anti-stimulation pulse signal of fighting is associated simultaneously.
Preferably, described step S23 also comprises: digital-control constant-flow source and pulse transformer are provided, and the described digital-control constant-flow source that provides comprises DA conversion chip and pliotron; The described DA transducer that provides is according to the base voltage of the described pliotron that provides of control signal control of processing unit, then the collector and emitter loop of described pliotron produces the former limit input current of controlling electric current and controlling described pulse transformer, generates the controlled anti-stimulation pulse signal of fighting.
Preferably, the described digital-control constant-flow source that provides also comprises analog switch, described analog switch is selected the current work state of described pliotron according to the control signal of processing unit, change the sense of current of described pulse transformer according to the current work state of described pliotron, generate the two-way anti-stimulation pulse signal of fighting.
Preferably, the described pliotron that provides is provided with the current-limiting resistance of series connection with it, controls described pliotron base voltage.
Preferably, described step S2 also comprises: S24, input block is provided, and be used for to the processing unit input select signal; S25 provides display unit, is used for the result of display processing unit; S26 provides power supply, is used to interface unit, processing unit, display unit and output unit that electric energy is provided; Described selection signal is: voltage selection, the anti-boost pulse frequency selection of fighting, the anti-selection of time of fighting, counter fight selection of times or suspend begin to select.
Because adopt above-mentioned technical scheme, beneficial effect of the present invention is as follows:
The external counterpulsation apparatus based on muscle electric stimulation that the present invention is novel is carried out the anti-work of beating by adopting stimulating electrode, has that volume is little, a power saving, advantage of low energy consumption;
Each stimulating electrode group lags behind successively and carries out the anti-work of beating, and makes each stimulating electrode group lag behind successively, reaches the better anti-effect of fighting; Implement the anti-effect of fighting of monitoring by this acquisition module, accordingly by pulse control module optimization and generate the anti-stimulation pulse signal of fighting of best lag time of value, further reach the better anti-effect of fighting.
This stimulating electrode comprises the stimulating electrode group and is separately positioned on the semitendinosus m. of the gastrocnemius of shank, thigh and the both sides of the gluteus maximus of buttocks, makes the easier purpose that muscle rigidity is shunk that reaches;
This acquisition module comprises the electrocardiogram acquisition unit at least, refers to the arteries and veins collecting unit, for the invention provides more human body signal, obtains more human body information;
This output unit comprises digital-control constant-flow source and pulse transformer, and this digital-control constant-flow source comprises DA conversion chip, pliotron and analog switch, can generate two-way, the controlled anti-stimulation pulse signal of fighting, and improves ease for use;
By be provided with the current-limiting resistance of series connection with it at pliotron, can expand the excursion of certain electric current output area internal power transistor base voltage, reach the meticulous control to external counterpulsation apparatus of the present invention, can also limit simultaneously the maximum input current in the former limit of pulse transformer, guarantee that the pulse transformer maximum output current is slightly larger than the maximum output of requirement;
This analog switch is selected the current work state of described pliotron by control signal, change the sense of current of described pulse transformer according to the current work state of described pliotron, generate the two-way anti-stimulation pulse signal of fighting, avoid because to flow through the net charge amount of human body non-vanishing and injury that tissue is caused is safe and reliable; Pulse transformer becomes little electric current, high-tension stimulus signal with the conversion of signals of big electric current, low-voltage, has avoided the direct effect on human body of dc high voltage, and is further safe and reliable;
This input block by button select voltage, the anti-boost pulse frequency of fighting, the anti-selection of time of fighting, counter fight selection of times and suspend function such as begin, improved ease for use;
This input block is by adopting the display unit of LED or OLED display screen, has the duty of image, the concrete current counter-pulsation device of understanding, improved ease for use; This display unit is LED or OLED display screen simultaneously, saves electric energy;
This power supply is ni-mh or lithium battery, can use external counterpulsation apparatus of the present invention anywhere or anytime; Insert and as power supply by external power supply, and then improved the ease for use of external counterpulsation apparatus of the present invention, be easy to extensively promote and use in family;
The present invention adopts general stimulating electrode and collecting unit, and it is low to have a cost; This stimulating electrode of control by the signal of telecommunication has the high advantage of efficient.
[description of drawings]
For further understanding feature of the present invention and technology contents, see also following relevant accompanying drawing of the present invention, yet institute's accompanying drawing only provides reference and explanation usefulness, and the present invention is limited.
Fig. 1 is the theory diagram of external counterpulsation apparatus of the present invention;
Fig. 2 is the flow chart of external counterpulsation signal control method of the present invention.
[specific embodiment]
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, will make technical scheme of the present invention and other beneficial effects apparent.
The human body signal that the present invention gathers by acquisition module transfers to pulse control module and generates the anti-stimulation pulse signal of fighting, set the time delay that is associated simultaneously, this stimulating electrode is arranged on human muscle's external skin joint place and carries out the anti-work of beating by the anti-stimulation pulse signal of fighting.
Referring to Fig. 1, external counterpulsation apparatus of the present invention comprises acquisition module, pulse control module and the stimulating electrode that connects successively at least;
Acquisition module is used for gathering human body signal, and this acquisition module comprises the electrocardiogram acquisition unit and refers to the arteries and veins collecting unit; This electrocardiogram acquisition unit is provided with three, is arranged at the shirtfront of human body, left abdominal part and three positions of right abdominal part respectively, by the electrode of electrocardiogram acquisition unit is next to the skin, and fixedly is placed in the vest; After the human body surface current potential that the electrocardiogram acquisition unit collects was isolated through buffer circuit, process computing and amplifying circuit were converted to the electrocardiosignal that II leads or III leads between the 0-5 volt; This refers to that the arteries and veins collecting unit mainly is to utilize infrared noinvasive blood oxygen transducer to gather the real-time oxygen content of finger, utilizes the direct ratio of oxygen content and blood flow to obtain finger arteries and veins signal, and refers to the arteries and veins signal through generating after the A/D conversion.
Pulse control module is used for generating the anti-stimulation pulse signal of fighting by the human body signal that receives, and sets the time delay that is associated with the anti-stimulation pulse signal of fighting simultaneously.This pulse control module also comprises interface unit, processing unit and the output unit that connects successively; This interface unit is used for receiving the human body signal of acquisition module transmission, and this human body signal comprises electrocardiosignal and refers to the arteries and veins signal; In another embodiment, when if the human body signal frequency that acquisition module is gathered and the handled frequency of pulse control module do not match, then this interface unit can resample according to the human body signal of acquisition module, reaches the processing frequency identical with pulse control module;
Processing unit is used for the human body signal that receives is handled, and generates control signal and transfers to output unit; This processing unit is to the human body signal analysis that receives (for example R wave crest of electrocardiosignal value, the finger arteries and veins diastolic wave amplitude of beating and the ratio D/S value of contraction wave amplitude) at every turn; Whole external counterpulsation apparatus is coordinated control, and logic control and the signal processing of other unit such as a mouthful unit, output unit that achieve a butt joint generate control signal simultaneously; This processing unit is single-chip microcomputer, digital processing unit or other general processor, has versatility.
Output unit is used for producing the anti-stimulation pulse signal of fighting by control signal; This output unit comprises digital-control constant-flow source and pulse transformer, and this digital-control constant-flow source comprises DA conversion chip and pliotron; This DA transducer is controlled the base voltage of this pliotron according to the control signal of processing unit, then the collector and emitter loop of pliotron produces the former limit input current of control electric current and control impuls transformator, generates the controlled anti-stimulation pulse signal of fighting; This pliotron is provided with the current-limiting resistance of series connection with it, can expand the excursion of certain electric current output area internal power transistor base voltage, can limit the maximum input current in the former limit of pulse transformer again, guarantee that the pulse transformer maximum output current is slightly larger than the maximum output of requirement, realizes the meticulous control to external counterpulsation apparatus of the present invention; In another embodiment, this output unit also comprises analog switch, this analog switch is selected the current work state of described pliotron according to the control signal (for example clock signal) of processing unit, change the sense of current of pulse transformer according to the current work state of pliotron, generate the two-way anti-stimulation pulse signal of fighting, avoid because to flow through the net charge amount of human body non-vanishing and injury that tissue is caused is safe and reliable; Pulse transformer becomes little electric current, high-tension stimulus signal with the conversion of signals of big electric current, low-voltage, has avoided the direct effect on human body of dc high voltage, and is more safe and reliable.
Pulse control module also comprises input block and the display unit that is connected with processing unit in another embodiment; This input block is to the processing unit input select signal, and this selection signal comprises: voltage selects that (for example 0～28V), the anti-boost pulse frequency of fighting is selected (for example 0～100HZ), the selection (for example 1～1000 time) of the anti-selection of time of fighting (for example 0～2 hour), the anti-number of times of fighting and suspend and begin selection; After selection was finished, processing unit was according to selecting signal to handle and be sent to display unit; This display unit shows the selection mode of input block or shows the duty of current external counterpulsation apparatus; It is display screen that this display unit adopts LED or OLED, can reach power saving, saves the effect of energy consumption.
Stimulating electrode comprises a plurality of stimulating electrode groups, and the present invention is preferably 3 stimulating electrode groups, and each stimulating electrode group is provided with 4 stimulon electrodes.These 3 stimulating electrode groups are arranged on the both sides of the gluteus maximus of the semitendinosus m. of gastrocnemius, thigh of shank and buttocks respectively; Then carry out the anti-work of beating when stimulating electrode receives the anti-stimulation pulse signal of fighting, reach the purpose that muscle rigidity is shunk; This stimulating electrode can make each stimulating electrode group lag behind successively and carry out the anti-work of beating according to the anti-stimulation pulse signal of fighting that is associated with the setting-up time delay simultaneously, reaches better effect.
External counterpulsation apparatus of the present invention, implement the anti-effect of fighting of monitoring by acquisition module, and accordingly by pulse control module optimization and best value lag time of generation, generate the anti-stimulation pulse signal of fighting that Best Times postpones simultaneously, and then reach the better anti-effect of fighting.
The present invention also provides a kind of external counterpulsation signal control method, comprises the steps:
Step S1 gathers human body signal, and this human body signal is the electrocardiogram acquisition unit electrocardiosignal of gathering and the finger arteries and veins signal that refers to that the arteries and veins collecting unit is gathered;
Step S2, the human body signal also generates the anti-stimulation pulse signal of fighting, and sets the time delay that this anti-stimulation pulse signal of fighting is associated simultaneously;
Step S3, the anti-stimulation pulse signal of fighting that transmission is associated with this setting-up time delay.
Step S2 comprises successively:
S21 provides interface unit, is used for receiving human body signal;
S22 provides processing unit, is used for the human body signal that receives is handled, and generates control signal and transfers to output unit; This processing unit is coordinated control to the human body signal analysis that receives (for example R wave crest of electrocardiosignal value, the finger arteries and veins diastolic wave amplitude of beating and the ratio D/S value of contraction wave amplitude) at every turn to whole external counterpulsation apparatus;
S23 provides output unit, is used for producing the anti-stimulation pulse signal of fighting by control signal, sets the time delay that this anti-stimulation pulse signal of fighting is associated simultaneously; Digital-control constant-flow source and pulse transformer also are provided simultaneously, provide digital-control constant-flow source to comprise DA conversion chip and pliotron; The DA transducer that provides is provided according to the control signal of processing unit by the base voltage of the pliotron that provides, then the collector and emitter loop of pliotron produces the former limit input current of control electric current and control impuls transformator, generates the controlled anti-stimulation pulse signal of fighting; Further digital-control constant-flow source also provides and comprises analog switch, analog switch is selected the current work state of pliotron according to the control signal of processing unit, change the sense of current of pulse transformer according to the current work state of pliotron, generate the two-way anti-stimulation pulse signal of fighting; The pliotron that further also provides is provided with the current-limiting resistance of series connection with it, control pliotron base voltage.
S24, input block is provided, be used for to the processing unit input select signal, this selections signal comprises: voltage selects that (for example 0～28V), the anti-boost pulse frequency of fighting selects that (for example 0～100HZ), selection (for example 1～1000 time) and the time-out of the anti-selection of time of fighting (for example 0～2 hour), the anti-number of times of fighting begin selection;
S25 provides display unit, is used for the result of display processing unit;
S26 provides power supply, is used to interface unit, processing unit, display unit and output unit that electric energy is provided;
The above embodiment has only expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (13)
1. an external counterpulsation apparatus is characterized in that, comprises at least: the acquisition module of Lian Jieing, pulse control module and stimulating electrode successively; Described acquisition module is gathered human body signal and is transferred to pulse control module; The anti-stimulation pulse signal of fighting is handled and generated to described pulse control module to the human body signal that receives, and sets the time delay that is associated with the described anti-stimulation pulse signal of fighting simultaneously, and the described anti-stimulation pulse signal of fighting is transferred to stimulating electrode; Described stimulating electrode is arranged on and human muscle's external skin joint place, and carries out the anti-work of beating by the anti-stimulation pulse signal of fighting;
Described stimulating electrode comprises a plurality of stimulating electrode groups, and each described stimulating electrode group is arranged on corresponding described human muscle's external skin joint place and the stimulating electrode group is carried out the anti-work of beating by the time delay that the described anti-stimulation pulse signal of fighting is associated;
Described a plurality of stimulating electrode group is fitted at least one place in the gluteus maximus both sides of the semitendinosus m. of gastrocnemius, thigh of shank and buttocks respectively;
Described acquisition module comprises the electrocardiogram acquisition unit at least, gathers electrocardiosignal
Described acquisition module comprises finger arteries and veins collecting unit, gathers to refer to the arteries and veins signal
Described pulse control module comprises at least: the interface unit of Lian Jieing, processing unit and output unit successively; Described interface unit is used for receiving the human body signal of acquisition module transmission; Described processing unit is handled the human body signal that receives, and generates control signal and transfers to output unit; Described output unit produces the anti-stimulation pulse signal of fighting by control signal;
When the human body signal frequency of gathering when described acquisition module and the handled frequency of described pulse control module do not match, then described interface unit resamples according to the human body signal of described acquisition module, reaches the processing frequency identical with described pulse control module.
2. external counterpulsation apparatus according to claim 1 is characterized in that, described output unit comprises digital-control constant-flow source and pulse transformer, and described digital-control constant-flow source comprises DA conversion chip and pliotron; Described DA transducer is controlled the base voltage of described pliotron according to the control signal of processing unit, the collector and emitter loop of described pliotron produces the control electric current and controls the former limit input current of described pulse transformer, generates the controlled anti-stimulation pulse signal of fighting.
3. external counterpulsation apparatus according to claim 2, it is characterized in that, described digital-control constant-flow source also comprises analog switch, described analog switch is selected the current work state of described pliotron according to the control signal of processing unit, change the sense of current of described pulse transformer according to the current work state of described pliotron, generate the two-way anti-stimulation pulse signal of fighting.
4. external counterpulsation apparatus according to claim 3 is characterized in that, described pliotron is provided with the current-limiting resistance of series connection with it, adjusts described pliotron base voltage.
5. external counterpulsation apparatus according to claim 1 is characterized in that, described pulse control module also comprises the display unit that is connected with processing unit, is used for the result of display processing unit, and described display unit adopts LED or OLED display screen.
6. external counterpulsation apparatus according to claim 1 is characterized in that, described pulse control module also comprises the input block that is connected with processing unit, and described input block is to the processing unit input select signal.
7. external counterpulsation apparatus according to claim 6 is characterized in that, described selection signal is: voltage selection, the anti-boost pulse frequency selection of fighting, the anti-selection of time of fighting, counter fight selection of times or suspend begin to select.
8. external counterpulsation apparatus according to claim 1 is characterized in that, described pulse control module comprises power supply, is used to interface unit, processing unit, display unit and output unit that electric energy is provided; Described power supply is ni-mh or lithium battery.
9. an external counterpulsation signal control method comprises the steps:
Step S1 gathers human body signal, and described human body signal is electrocardiosignal and/or refers to the arteries and veins signal;
Step S2, the human body signal also generates the anti-stimulation pulse signal of fighting, and sets the time delay that the described anti-stimulation pulse signal of fighting is associated simultaneously;
S21 provides interface unit, is used for receiving human body signal;
S22 provides processing unit, is used for the human body signal that receives is handled, and generates control signal and transfers to output unit;
S23 provides output unit, is used for producing the anti-stimulation pulse signal of fighting by control signal, sets the time delay that the described anti-stimulation pulse signal of fighting is associated simultaneously;
When the frequency of described human body signal frequency and processing does not match, then resample according to described human body signal, reach identical processing frequency;
Step S3, the anti-stimulation pulse signal of fighting that transmission is associated with described setting-up time delay.
10. external counterpulsation signal control method according to claim 9 is characterized in that, described step S23 also comprises: digital-control constant-flow source and pulse transformer are provided, and the described digital-control constant-flow source that provides comprises DA conversion chip and pliotron; The described DA transducer that provides is according to the base voltage of the described pliotron that provides of control signal control of processing unit, then the collector and emitter loop of described pliotron produces the former limit input current of controlling electric current and controlling described pulse transformer, generates the controlled anti-stimulation pulse signal of fighting.
11. external counterpulsation signal control method according to claim 10, it is characterized in that, the described digital-control constant-flow source that provides also comprises analog switch, described analog switch is selected the current work state of described pliotron according to the control signal of processing unit, change the sense of current of described pulse transformer according to the current work state of described pliotron, generate the two-way anti-stimulation pulse signal of fighting.
12. external counterpulsation signal control method according to claim 11 is characterized in that, the described pliotron that provides is provided with the current-limiting resistance of series connection with it, controls described pliotron base voltage.
13. external counterpulsation signal control method according to claim 9 is characterized in that, described step S2 also comprises:
S24 provides input block, is used for to the processing unit input select signal;
S25 provides display unit, is used for the result of display processing unit;
S26 provides power supply, is used to interface unit, processing unit, display unit and output unit that electric energy is provided;
Described selection signal is: voltage selection, the anti-boost pulse frequency selection of fighting, the anti-selection of time of fighting, counter fight selection of times or suspend begin to select.
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| CN108593329A (en) * | 2018-07-25 | 2018-09-28 | 苏州好博医疗器械有限公司 | External counterpulsation apparatus simulated testing system and test method |
| CN110960792A (en) * | 2018-09-28 | 2020-04-07 | 深圳盈嘉健康科技有限公司 | Muscle stimulation device |
| CN109646265A (en) * | 2018-12-19 | 2019-04-19 | 北京航空航天大学 | A kind of counterpulsation patients with type Ⅰ DM footcare device |
| CN112754521B (en) * | 2021-01-12 | 2022-06-21 | 上海交通大学 | Method and system for evaluating brain blood flow automatic regulation capability |
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