CN106725451A - A kind of human body electrocardio R ripple detecting systems - Google Patents
A kind of human body electrocardio R ripple detecting systems Download PDFInfo
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- CN106725451A CN106725451A CN201611251772.8A CN201611251772A CN106725451A CN 106725451 A CN106725451 A CN 106725451A CN 201611251772 A CN201611251772 A CN 201611251772A CN 106725451 A CN106725451 A CN 106725451A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/346—Analysis of electrocardiograms
- A61B5/349—Detecting specific parameters of the electrocardiograph cycle
- A61B5/352—Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4836—Diagnosis combined with treatment in closed-loop systems or methods
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00613—Irreversible electroporation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00702—Power or energy
- A61B2018/00708—Power or energy switching the power on or off
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00839—Bioelectrical parameters, e.g. ECG, EEG
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention provides a kind of human body electrocardio R ripple detecting systems, including pulse wave signal acquisition module, signal processing unit, high-voltage pulse system of tumor treatment, the pulse information of collection is passed to signal processing unit by pulse wave signal acquisition module, real-time displaying device and high-voltage pulse system of tumor treatment are sent to after the pulse signal treatment that signal processing unit will be received, high-voltage pulse system of tumor treatment realizes discharge process after receiving signal.Pulse wave is a kind of energy form of expression with blood flow as carrier, high-frequency high-voltage effect of signals is not received in its conduction, using the invention in high-voltage pulse oncotherapy, without waiting for recovery time, the R ripple moment can still be calculated, data stabilization reliability, it is to avoid the defect that traditional cardiac diagnosis lead method detection R ripples are easily influenceed by high-voltage pulse signal, reduces risk of the surgical procedure mesohigh pulse to patient.
Description
Technical field
The invention belongs to technical field of medical equipment, more particularly, to a kind of human body electrocardio R ripple detecting systems, is used for
The use of additional high pressure pulse therapeutic apparatus for treating tumor.
Background technology
Electrocardio is the concentrated expression of the countless cardiac muscle cells except process of repolarization of heart, and the biological Electrical change produced by cardiac muscle leads to
The conductive tissues such as muscle, blood vessel, the body fluid crossed around heart, come in reflection to body surface, make parts of body per wholeheartedly
Also all there is regular Electrical change activity in the dynamic cycle.So-called Conditions of Cardiac Cell Depolarization, is the electrophysiological phenomena of cell, normal thin
Current potential inside and outside the cell membrane of born of the same parents be it is interior it is negative outer just, when there is an external electro photoluminescence to act on the cell, then at application point from
Subchannel is opened, and a large amount of positive charges enter intracellular, makes to become inside and outside cell membrane interior just outer negative, now at this and peripheral cell
Film just has individual potential difference, produces electric current, and cloth is just expanded in the electro photoluminescence on cell membrane, until whole cell membrane depolarization, Ran Houkuo
Cloth is to next door cell.
Tumour is treated to the irreversible electroporation effect of tumour cell using high-frequency impulse, is more novel therapeutic in recent years
The method (hereinafter referred to as electrion system) of tumour.In high voltage high frequency bursts neoplastic process, if therapentic part is apart from the heart
Dirty relatively near, high-frequency impulse can jeopardize heartbeat function on cardiac muscle cell except process of repolarization produces influence.Generally need to coordinate the heart
Electrical detection device, human body electrocardio R -- R interval transmitting high-frequency impulse, so that it is this influence be preferably minimized.
But Whole Body electrocardio is believed because under high voltagehigh frequency environment, high voltage is organized as conduction path with surrounding them
Number conduction causes strong influence except process of repolarization, often in a period of time after electrode discharge, the electrocardio letter for collecting
It is number extremely disorderly, or even do not collect electrocardiosignal.Wait more than ten seconds or longer time is needed to wait the heart in surgical procedure
Electric signal conduction recovers, to instruct follow-up electrion process.
Equally comprising the characteristic information of a large amount of human hearts beating, it conducts to whole body pulse wave along arterial blood tube wall, and
Conduction is not influenceed by high-voltage high-frequency signal, and according to Hemodynamics principle, to pulse transit to people since heartbeat
The time of body privileged site is changeless, you can the process of heartbeat is inferred by pulse wave data, ecg-r wave is found out
Generation time.
The content of the invention
In view of this, the invention is directed to a kind of human body electrocardio R ripple detecting systems, swollen for additional high pressure pulse
Knurl therapeutic equipment, stably can gather and calculate heartbeat state, and provide the device at R ripple crest moment to provide one kind.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
A kind of human body electrocardio R ripple detecting systems, including pulse wave signal acquisition module, signal processing unit, high-voltage pulse
The pulse information of collection is passed to signal processing unit, signal transacting list by system of tumor treatment, pulse wave signal acquisition module
Real-time displaying device and high-voltage pulse system of tumor treatment are sent to after the pulse signal treatment that unit will receive, high-voltage pulse swells
Knurl treatment system realizes discharge process after receiving signal, in surgical procedure, pulse wave signal acquisition module is fixed into human body
Skin surface, real-time detection human pulse wave number evidence, with reference to conduction time, calculates the ecg-r wave moment and provides discharge signal, high
Pressure pulse system of tumor treatment receives discharge signal, performs one group of electric discharge work, and high-voltage pulse system of tumor treatment enters afterwards
Enter wait state, until the arrival of next discharge signal.
Further, the pulse wave signal acquisition module includes photoelectric sensor, the letter that photoelectric sensor will be collected
Number pass to signal processing unit.
Further, the model JFH102 of the photoelectric sensor, is provided with LED region and sensing on photoelectric sensor
Device region, is provided with light-blocking member corresponding with photoelectric sensor on photoelectric sensor, the first printing opacity is offered on light-blocking member
Hole and the second loophole, the first loophole are corresponding with LED region, and the second loophole is corresponding with sensor region, the first loophole
And second be provided with the crossbeam for separating the first loophole and the second loophole between loophole.
Further, the signal processing unit include microprocessor MCU, pulse wave signal acquisition module by gather
Signal transmission gives microprocessor MCU, and, by the signal transmission after treatment to isolation circuit, isolation circuit will for microprocessor MCU
Signal output passes to high-voltage pulse system of tumor treatment.
Further, the isolation circuit include photoelectrical coupler, the first light emitting diode, the first diode, triode,
First resistor, second resistance, the 4th resistance, the 5th resistance and the first electric capacity, the output end of microprocessor MCU and the 5th resistance
One end connection, the other end of the 5th resistance one end respectively with the first electric capacity, the second pin of photoelectrical coupler be connected, light
First pin of electric coupler and the first electric capacity other end connect+5V power supplys, the three-prong of photoelectrical coupler and the 4th respectively
One end connection of resistance, the other end of the 4th resistance is connected with the base stage of triode and one end of second resistance respectively, and second
The other end ground connection of resistance, the grounded emitter of triode, the 4th pin of photoelectrical coupler connects with one end of first resistor
Connect, the other end of first resistor is connected with the positive pole of the first light emitting diode, the negative pole and triode of the first light emitting diode
Colelctor electrode connection, be parallel with the first diode in first resistor and the first light emitting diode, the positive pole of the first diode and the
The negative pole connection of one light emitting diode, is connected to+12V electricity at photoelectrical coupler, first resistor, the connecting node of the first diode
Source, the current collection extremely signal output part of triode.
Relative to prior art, a kind of human body electrocardio R ripple detecting systems described in the invention have the advantage that：
(1) pulse wave is a kind of energy form of expression with blood flow as carrier, and high-frequency and high-voltage telecommunications is not received in its conduction
Number influence, using the invention in tumor therapeutic procedure, without waiting for recovery time, can still calculate R ripple moment, data
It is reliable and stable, it is to avoid the defect that traditional cardiac diagnosis lead method detection R ripples are easily influenceed by high-voltage pulse signal, reduce surgical procedure
Risk of the mesohigh pulse to patient；
(2) the invention is based on microprocessor MCU process signals, and high speed acquisition human pulse wave number evidence is capable of achieving
Real-time monitoring and display to human pulse ripple signal, meet real-time to human body physiological data in electrion system work process
Property collection display requirement.
Brief description of the drawings
The accompanying drawing for constituting the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made does not constitute the improper restriction to the invention for explaining the invention.
In accompanying drawing：
Fig. 1 is the schematic diagram of the invention embodiment；
Fig. 2 chooses schematic diagram for the electrocardiosignal and pulse wave signal characteristic point of the invention embodiment；
Fig. 3 is the photosensor structure schematic diagram of the invention embodiment；
Fig. 4 is the structural representation of the light-blocking member of the invention embodiment；
Fig. 5 is the circuit diagram of the isolation circuit described in the invention embodiment.
Description of reference numerals：
1- photoelectric sensors；101-LED regions；102- sensor regions；2- light-blocking members；The loopholes of 201- first；
The loopholes of 202- second.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or imply that the device or element of meaning with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is the limitation to the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in the invention.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Fig. 1 to 5, a kind of human body electrocardio R ripple detecting systems, including pulse wave signal acquisition module, signal transacting
The pulse information of collection is passed to signal transacting list by unit, high-voltage pulse system of tumor treatment, pulse wave signal acquisition module
Unit, real-time displaying device and high-voltage pulse oncotherapy system are sent to after the pulse signal treatment that signal processing unit will be received
System, high-voltage pulse system of tumor treatment realizes discharge process after receiving signal.Pulse wave signal acquisition module includes photoelectric transfer
Sensor 1, the signal transmission that photoelectric sensor 1 will be collected is to signal processing unit.The model JFH102 of photoelectric sensor 1,
LED region 101 and sensor region 102 are provided with photoelectric sensor 1.In order to external optical signals are not right in ensureing detection process
Photoelectric sensor 1 influences, and preferably, light-blocking member 2 corresponding with photoelectric sensor 1 is provided with photoelectric sensor 1,
Light-blocking member 2 is fitted and around sensor.The first loophole 201 and the second loophole 202, first are offered on light-blocking member 2
Loophole 201 is corresponding with LED region 101, and the second loophole 202 is corresponding with sensor region 102, the first loophole 201 and
The crossbeam for separating the first loophole 201 and the second loophole 202 is provided between two loopholes 202, for preventing launching light
The scattering phenomenon of line.Signal processing unit includes microprocessor MCU, the signal transmission that pulse wave signal acquisition module will be gathered
Give microprocessor MCU.Because the invention is used for high-voltage pulse environment, it is contemplated that influence of the long lead to signal transmission,
Simultaneously in order to reduce the coupling effect between front stage circuit, isolation circuit (such as Fig. 5), the left side are increased in segment signal output
Win3 is signal input part, and the right WindDrive3 is signal output part.Microprocessor MCU gives the signal transmission after treatment
Signal output is passed to high-voltage pulse system of tumor treatment by isolation circuit, isolation circuit.
As shown in figure 5, isolation circuit includes photoelectrical coupler OP1, the first light emitting diode DA1, the first diode D1, three
Pole pipe TA1, first resistor R1, second resistance R2, the 4th resistance R4, the 5th resistance R5 and the first electric capacity CA1, microprocessor
The output end of MCU is connected with one end of the 5th resistance R5, and the other end of the 5th resistance R5 is respectively with the one of the first electric capacity CA1
End, the second pin connection of photoelectrical coupler OP1.The other end of first pin of photoelectrical coupler OP1 and the first electric capacity CA1
+ 5V power supplys DVCC5 is met respectively.The three-prong of photoelectrical coupler OP1 is connected with one end of the 4th resistance R4, the 4th resistance R4's
Other end is connected with the base stage of triode TA1 and one end of second resistance R2 respectively.The other end ground connection of second resistance R2,
The grounded emitter of triode TA1.4th pin of photoelectrical coupler OP1 is connected with one end of first resistor R1, first resistor
The other end of R1 is connected with the positive pole of the first light emitting diode DA1, negative pole and the triode TA1 of the first light emitting diode DA1
Colelctor electrode connection.The first diode D1 is parallel with first resistor R1 and the first light emitting diode DA1, the first diode D1's
Positive pole is connected with the negative pole of the first light emitting diode DA1, photoelectrical coupler OP1, first resistor R1, the connection of the first diode D1
+ 12V power supplys EVCC12 is connected at node.The current collection of triode TA1 extremely signal output part.
A kind of detection method of human body electrocardio R ripple detecting systems, comprises the following steps：
Step one：Selected collection pulse wave position, pulse wave collection position selection skin surface is smooth, subdermal arterial blood vessel
The abundant position of abundant and the good position of permeability, such as finger tip, inboard arm or forehead subdermal arterial vascular tissue, by pulse wave
Signal acquisition module posts and fixes selected position surface；
Step 2：Measurement pulse wave translation time, and calibrated with traditional cardiac diagnosis lead system；
Step 3：Signal transmission is given signal transacting signal element by pulse wave signal acquisition module, and signal processing unit will
Signal sends high-voltage pulse system of tumor treatment to, and high-voltage pulse system of tumor treatment carries out discharge process.
The operation principle of the invention：
(1) collection pulse wave position is selected, smooth skin surface, subdermal arterial rich blood vessel and the good portion of permeability is selected
Position, selected position surface is posted and fixed by sensor, and it is subcutaneous that finger tip, inboard arm or forehead etc. are chosen in position general recommendations
The abundant position of arterial vascular tissue.Pulse wave signal acquisition module chooses photoelectric sensor 1, and its principle is based on the blood in blood
Lactoferrin is different with the assimilation effect of infrared light to feux rouges, and content of hemoglobin in blood is continually changing with heartbeat
's.Pulse wave detecting method, the bottom integrated optical source of photoelectric sensor 1, with 100HZ frequency launch wavelength 660nm feux rouges, top is
Optical signal receiving area, electric signal is converted to by the reflected light signal comprising human pulse ripple, and is exported in real time, the signal of output
MCU processors are transferred to through connecting line to process, identification feature value, by result of calculation through isolation circuit output to high-voltage pulse tumour
The electric discharge device for the treatment of system.
(2) preoperative measurement pulse wave translation time, and calibrated with traditional cardiac diagnosis lead service system.This calibration step
Suddenly, method is to gather electrocardio and pulse wave data simultaneously with the frequency of 500Hz, is made with the R ripples crest of standard lead I electrocardiogram (ECG) datas
It is the starting point of heartbeat, pulse wave crest travels to the characteristic point (see Fig. 2) at collection point for pulse wave, by miniature place
Reason device MCU gathers and calculates both time differences, and this time difference is pulse wave translation time.
(3) in therapeutic process, it is not required to detect electrocardiogram (ECG) data, a real-time monitoring pulse wave data is obtained with reference to previous step
Conduction time, by algorithm calculate, draw next R ripples moment, R ripple detecting systems provide a confirmation signal, are sent to
Electrion system.
(4) electrion system performs one group of discharge operation according to the discharge signal for being given, afterwards into wait state,
Until next discharge signal arrives.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (5)
1. a kind of human body electrocardio R ripple detecting systems, it is characterised in that：Including pulse wave signal acquisition module, signal processing unit,
The pulse information of collection is passed to signal processing unit by high-voltage pulse system of tumor treatment, pulse wave signal acquisition module, letter
Real-time displaying device and high-voltage pulse system of tumor treatment are sent to after the pulse signal treatment that number processing unit will be received, it is high
Pressure pulse system of tumor treatment realizes discharge process after receiving signal.
2. human body electrocardio R ripple detecting systems according to claim 1, it is characterised in that：The pulse wave signal gathers mould
Block includes photoelectric sensor (1), and the signal transmission that photoelectric sensor (1) will be collected is to signal processing unit.
3. human body electrocardio R ripple detecting systems according to claim 2, it is characterised in that：The type of the photoelectric sensor (1)
Number be JFH102, LED region (101) and sensor region (102) are provided with photoelectric sensor (1), on photoelectric sensor (1)
Light-blocking member (2) corresponding with photoelectric sensor (1) is provided with, the first loophole (201) and are offered on light-blocking member (2)
Two loopholes (202), the first loophole (201) is corresponding with LED region (101), the second loophole (202) 202 and sensor regions
Domain (102) correspondence, is provided with the first loophole (201) and second between the first loophole (201) and the second loophole (202)
The crossbeam that loophole (202) separates.
4. human body electrocardio R ripple detecting systems according to claim 1, it is characterised in that：The signal processing unit includes
The signal transmission for gathering is given microprocessor MCU, microprocessor MCU by microprocessor MCU, pulse wave signal acquisition module
By the signal transmission after treatment to isolation circuit, signal output is passed to high-voltage pulse system of tumor treatment by isolation circuit.
5. human body electrocardio R ripple detecting systems according to claim 4, it is characterised in that：The isolation circuit includes photoelectricity
Coupler (OP1), the first light emitting diode (DA1), the first diode (D1), triode (TA1), first resistor (R1), second
Resistance (R2), the 4th resistance (R4), the 5th resistance (R5) and the first electric capacity (CA1), the output end of microprocessor MCU and the 5th
One end connection of resistance (R5), the other end of the 5th resistance (R5) one end, photoelectrical coupler respectively with the first electric capacity (CA1)
(OP1) the second pin connection, first pin and the first electric capacity (CA1) other end of photoelectrical coupler (OP1) meet+5V respectively
Power supply (DVCC5), the three-prong of photoelectrical coupler (OP1) is connected with one end of the 4th resistance (R4), the 4th resistance (R4)
Other end is connected with the base stage of triode (TA1) and one end of second resistance (R2) respectively, and other the one of second resistance (R2)
End ground connection, the grounded emitter of triode (TA1), the 4th pin of photoelectrical coupler (OP1) and one end of first resistor (R1)
Connection, the other end of first resistor (R1) is connected with the positive pole of the first light emitting diode (DA1), the first light emitting diode
(DA1) negative pole is connected with the colelctor electrode of triode (TA1), in parallel in first resistor (R1) and the first light emitting diode (DA1)
The positive pole for having the first diode (D1), the first diode (D1) is connected with the negative pole of the first light emitting diode (DA1), photoelectric coupling
+ 12V power supplys (EVCC12), triode are connected at device (OP1), first resistor (R1), the connecting node of the first diode (D1)
(TA1) current collection extremely signal output part.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107582166A (en) * | 2017-10-12 | 2018-01-16 | 天津市鹰泰利安康医疗科技有限责任公司 | A kind of ECG Synchronization system for the ablation of high pressure steep-sided pulse |
| CN108853719A (en) * | 2018-04-26 | 2018-11-23 | 费兴波 | A kind of high voltage narrow pulse treatment system |
| CN110677069A (en) * | 2019-10-31 | 2020-01-10 | 上海健康医学院 | High-voltage ultrashort pulse power supply for tumor ablation |
| CN111374750A (en) * | 2019-08-06 | 2020-07-07 | 深圳钮迈科技有限公司 | Pulse real-time monitoring circuit and tumor therapeutic instrument |
| CN113274119A (en) * | 2021-05-19 | 2021-08-20 | 北京金石翔宇科技有限公司 | Tumor ablation equipment and method applying ultrahigh-voltage positive-negative composite pulse electric field |
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