CN106999713B - Device and system for hospital, EMT/EMS and AED grade external defibrillation and transcutaneous pacing - Google Patents
Device and system for hospital, EMT/EMS and AED grade external defibrillation and transcutaneous pacing Download PDFInfo
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
- A61N1/39—Heart defibrillators
- A61N1/3906—Heart defibrillators characterised by the form of the shockwave
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/3625—External stimulators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
- A61N1/39—Heart defibrillators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0408—Use-related aspects
- A61N1/046—Specially adapted for shock therapy, e.g. defibrillation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0492—Patch electrodes
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- Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Electrotherapy Devices (AREA)
Abstract
A method and apparatus for treating a cardiac condition in a human or animal patient, comprising contacting an area of skin spanning a chest region of the patient with at least two patches or electrode pads that apply a low voltage and current in a rotational manner to pre-stimulate the region, and then applying a high voltage shock through the patient's heart in rapid succession through the at least two electrode pad patches or pads, wherein an amplifier-based external defibrillation cardioversion system is used. Also, with an external pacing system, an ascending ramp or any arbitrary ramp or level waveform is used for transcutaneous pacing, which employs a constant current delivery mode. Treatable conditions include Atrial Fibrillation (AF), Atrial Tachycardia (AT), Ventricular Fibrillation (VF), and Ventricular Tachycardia (VT).
Description
Cross reference to related applications
Co-pending, the commonly assigned U.S. Provisional Patent Application Serial that this patent was submitted based on October 10th, 2014
Number 62/062,331, and the equity of its applying date is required, the application is integrally incorporated herein.
Invention field
The present invention relates to the cardiac arrhythmia occurred in the electric system of the atrium of human heart or ventricular chamber or abnormal hearts
The fulgurite of the rhythm and pace of moving things is managed.More particularly, it relates to pass through external defibrillation and/or cardioversion therapy ventricular fibrillation, room property mistake aroused in interest
Speed, atrial fibrillation or atrial tachycardia.
Background of invention
The reason of ventricular fibrillation (VF) is cardiac arrest and sudden cardiac death.During VF, ventricular muscles are than the normal sinus rhythm phase
Between much unordered (much less organized) mode shrink, so blood pump cannot be entered artery and systemic circulation by ventricle.
VF is unexpected, the fatal arrhythmia cordis that many death are caused in the Western countries, is mainly caused by ischemic heart disease.VF is medicine
Acute disease, annual 10, there are in 000 people about 2 human hairs raw.If arrhythmia cordis is continued above several seconds, blood circulation can stop (by not having
Pulse, blood pressure and breathing confirmation), and death can occur.
In spite of many work, but the fundamental property of VF is not understood completely.Most of breaking-outs of VF occur in the illness heart
In dirty, but other breaking-outs occur in the normal heart of structure.It must also carry out much working to understand the mechanism of VF.
Ventricular Tachycardia (VT) is derived from the tachyarrhythmia in dystopy ventricle area, it is characterised in that is typically larger than
100 beats/min of rate and Wide QRS complex tachycardia (complex).VT can be simple form, that is, be originated from the list with identical QRS complex
One repeats approach or multiform, i.e., according to the variation approach of modified QRS complex.Non-standing VT is defined as holding
The continuous time is less than 30 seconds episode of tachycardia；Operation is considered duration VT more long.
The not absolute ECG standard of presence for establishing VT.But several factors show VT, include the following: it is greater than
The rate of 100 beats/min (usual 150-200), Wide QRS complex tachycardia (> 120ms), there are AV separation and fusion beats, they are whole
It is incorporated into VT complex.
VT can develop to be deteriorated without haemodynamics.However, it often causes serious haemodynamics to be damaged, and
It can be VF with high progression.Therefore, this tachyarrhythmia must also quickly solve to avoid morbidity or death.
VT is defined as being greater than 100 beats/min in rate, the beating of continuous 3 times or more ventricular origins.Do not seem
Normal QRS complex.The rhythm and pace of moving things be usually rule, but once in a while its can be appropriateness it is irregular.Arrhythmia cordis can be resistance to
By good or related to the damage of the haemodynamics of serious threat to life.The hemodynamic results of VT mainly depend on
In the rate presence or absence of myocardial dysfunction (as may be caused by ischaemic or infarct) and VT.Usually there is AV
Separation, this indicates that sinoatrial node makes atrial depolarization in the normal fashion with the rate for being equal to or being slower than ventricular rates.Therefore, sometimes may be used
To identify sinus P wave between QRS complex.They and QRS complex do not have fixed relationship, unless the lucky phase of atrium and ventricle rate
Deng.It usually prevents from conducting from atrium to ventricle, because AV section or ventricle conducting system are difficult to treat, this is because VT causes
Ventricular depolarization.VT is uncommon in unobvious cardiopathic situation.
For myocardial infarction by forming scar tissue healing, this can lead to VT.A couple of days, number after infarct can occurs in this
The moon or several years.VT can also be by antiarrhythmic drug (undesired effect) or the blood chemistry (such as low potassium or the magnesium that change
It is horizontal), pH (Acid-Base) change or dysoxidation caused by.
Rapid atrial arrhythmias such as atrial fibrillation (AF) and atrial tachycardia (AT) are abnormal cardiac rhythms, in the U.S.
It is annual to torment about three million peoples.The most common ammeter of electrical disease is now the advantage for activating irregular AF small echo.These are not advised
Then AF small echo often generates in pulmonary vein (PV) and is conducted into atrium sinistrum then atrium dextrum, causes to interfere normal antrum and chamber
(SA/AV) it ties heart electric pathway and generates the confusion and quickly activation of quick, irregular ventricular contraction.These irregular AF are small
Wave can be AF or auricular flutter form, typical and atypical, can be different in terms of severity and rate.AF makes the heart
Room reaction is irregularly and quick, so that the normal blood of the chambers of the heart is flowed through in its interference, can lead to serious structural heart disease, and
And it can be with threat to life if treatment not yet in effect.Although it is defeated can to endanger the heart for the irregular rate of ventricular contraction during AF and AT
Out and cause fatigue, but much increased death related with AF are the clot shapes due to caused by the poor circulation in atrium
At embolism causes apoplexy, infarction of kidney etc..Several weeks or several months lasting AF special hazard.
The method for treating AF or AT is DC cardioversion electrode therapy, and AF/ is fluttered and is converted into sinus rhythm.This is outstanding
Conversion tool；But unless the basic reason of AF is solved, otherwise it is likely to recur.Implantable cardioverter-defibrillator
(ICD) conversion of AF is had been used for；But because patient is conscious when delivering impact, many individual discoveries are insufferable
The discomfort of impact.
Above-described all illnesss can pass through defibrillation therapy, including external defibrillation.External defibrillation is past for patient
Toward be it is painful, no matter automation external defibrillator (AED), emergency medical technical staff/emergency medical services (EMT/EMS)
Or application in hospital's setting (hospital setting).Need the external defibrillation less painful to patient.
Goal of the invention
The object of the present invention is to provide a kind of new method and systems based on amplifier, are used for AED, EMT/EMS or doctor
External defibrillation in institute's setting.
It is also an object of this invention to provide a kind of method and systems, and wherein preliminary step makes patient be suitble to external defibrillation.
It is a further object of the present invention to provide a kind of method and systems, wherein being rotated and being received by using pre-stimulation skeletal muscle
Contracting, expected no further contraction of muscle during the second step of delivering high-voltage electric shock.
It is a further object of the present invention to provide a kind of method and systems, and wherein preliminary step makes patient be suitble to external defibrillation,
And defibrillation is external defibrillation and/or cardioversion system based on amplifier.
It is another object of the present invention to external defibrillation and/or cardioversion system based on amplifier can deliver arbitrarily
Waveform, acclivity, rising index, level, curve or any other waveform including the 1st phase and the 2nd phase, can be used for defibrillation
With the science of cardioversion.
It is a further object of the present invention to provide a kind of method and systems, and wherein high-voltage electric shock uses and increases as the time increases
Add the waveform of energy, reduce crest voltage and reduces chest impedance.
It is a further object of the present invention to provide a kind of method and systems, wherein using random waveform and lower in defibrillation
Rate of change, and reduced crest voltage.
It is a further object of the present invention to provide a kind of method and systems, wherein suffering under the pain and external electrode felt
On person's skin it is traditional once, two degree and third-degree burn sometimes can greatly reduce.
It is a further object of the present invention to provide the method and systems of a kind of cardioversion and defibrillation, wherein if the first time heart
Dirty conversion or defibrillation shock failure can choose another time electric shock comprising different biphasic waveforms to enhance and capture is difficult to heart
The patient that peels off of conversion or defibrillation, to increase the whole rescue rate for needing the patient of cardioversion and/or defibrillation.
It is a further object of the present invention to provide a kind of method and systems, wherein the 1st phase can be mixed with the 2nd mutually random waveform
Merge matching to ensure higher conversion ratio.
It is a further object of the present invention to provide a kind of method and systems for generating the 2nd phase waveform, and wherein shock voltage can be with
It is negative relative to zero cross point " hard handover " to any specified negative voltage potential.
It is a further object of the present invention to provide a kind of method and systems, use about 3 milliseconds of 1- of the 2nd narrow phase pulse width
To make myocardium hyperpolarization after delivering the 1st phase electric shock.
It, can be using the narrow by the of any random geometry it is a further object of the present invention to provide a kind of method and system
2 phase pulse widths are used for the 2nd phase, and such as acclivity rises index, level, curve or any other waveform, are delivering the 1st phase
Make myocardium hyperpolarization after electric shock.
It can be become more apparent upon with claim, these and other objects of the invention from the description below.
Summary of the invention
The present invention provides a kind of equipment of the cardiac conditions in external treatment patient, it includes:
At least two outside multi-electrodes for contacting the region of patient skin outer surface paste piece or plate；
Pre-stimulation servo amplifier array；With
Outer wave energy software control system, it includes:
Containing with the electronic system of the microcontroller of software programming；With
Amplifier circuit with the driving of the external otherness of input terminal and output end,
The input terminal for the amplifier circuit that wherein microcontroller drives with the otherness is operatively connected, described
Microcontroller is configured to software instruction to generate the input terminal for the amplifier circuit that signal drives to the otherness,
And the upper of constant current, constant energy or constant voltage is delivered in vitro in the output end of the amplifier circuit of the otherness driving
Transcutaneous pacing, low-pressure therapeutic, defibrillation or the cardioversion shock for rising random ramp waveform, by mostly electric outside described at least two
Pole pastes piece or plate and reaches patient's heart by patient skin, and
Wherein in the first step, the pre-stimulation servo amplifier array is more at least two outside in a rotative pattern
The electric current of low-voltage is delivered under electrode paste piece or plate with the pre-stimulation region, and the chest muscle under the multi-electrode patch piece or plate is caused to be received
It is reduced to complete refractory period and reduces chest muscle impedance, so that Low ESR chest approach is provided, and
Wherein in second step, the amplifier circuit of the otherness driving delivers high pressure from multi-electrode patch piece or plate
The electric shock of random waveform is by the chest and heart of patient to cause defibrillation, cardioversion or defibrillation and cardioversion.
In one embodiment, at least two outside multi-electrode patch piece or plate can deliver percutaneous external random
Pulse and/or the low pressure of fighting or high voltage therapy stop heart of fighting by the chest and heart of patient to restart.
In one embodiment, the amplifier circuit topology structure that the system uses otherness to drive, thus external
The delivering of two-phase random shock waveform increases and/or the energy of level as the time increases, by the 1st phase or the 2nd phase acclivity,
Rising or the water for rising index, rising copped wave, rising ladder, ascending curve, square, straight line or level and/or geometry
Shown in any combination of flat waveform, pass through any of 3 kinds of modes of the defibrillation of software control and/or cardioversion shock waveform
Selection delivering, 3 kinds of modes are constant current, constant energy or constant voltage, it is therefore intended that control delivering defibrillation and/or
Cardioversion shock is to convert cardiac arrhythmia.
In one embodiment, the cardiac conditions are arrhythmia cordis.
In one embodiment, the electric servo amplifier array delivers pre-stimulation low-tension pulse under each multi-electrode region
Punching to cause skeletal muscle to rotate and shrink, the absolute refractory period including contraction of muscle, and reduces chest muscle impedance.
In one embodiment, the amplifier circuit delivering high pressure of the otherness driving rises random waveform or any
Other random waveform electric shocks of two-phase, deliver across the chest of patient or the shirtfront and back of patient, are used for atrial fibrillation, room
The conversion of property tachycardia, Ventricular Tachycardia or ventricular fibrillation.
In one embodiment, if the first cardioversion or defibrillation shock failure, system software can analyze the electricity
It hits and why fails and the equipment delivering is made to shock by electricity comprising another outside of different biphasic waveform geometric figures.
In one embodiment, equipment of the invention includes the amplifier circuit of external otherness driving to handle arbitrarily
Biphasic waveform, the random biphasic waveform be positive the delivering of the 1st phase period with the time increases and increased energy and when for 2 phase
Phase delivers negative energy, and period range is about 500ns- about 100ms, and the waveform is pulse, copped wave or continuous wave, to the 1st phase
With the 2nd mutually using any voltage of about 0V to about +/- 2200VDC.
In one embodiment, the amplifier circuit delivering driven by the otherness rises or horizontal random waveform
Stop heart of fighting to pace and/or assist to restart.
In one embodiment, the outer wave energy management system also includes digital-to-analog converter, and
Wherein the microcontroller is operatively connected with the digital-to-analog converter, the digital-to-analog converter with it is described
The input terminal of amplifier circuit of otherness driving is operatively connected, the microcontroller be arranged in response to software instruction with
Signal is generated to the digital-to-analog converter, the digital-to-analog converter provides signals to the otherness driving
Amplifier circuit input terminal and the otherness driving amplifier circuit output end utilize be used for defibrillation and/or
The rising of cardioversion or horizontal waveform electric shock or for pace-making rising or level waveform by constant current, constant voltage or
Constant energy delivers the heart by patient.
In one embodiment, the wave type energy control system can apply the heart of the shock waveform by patient in vitro
Dirty and chest, and output waveform constructs the equation that stores from discrete time point or microcontroller, when each discrete
Between point, in Microsecond grade, the microcontroller exports new waveform values to amplifier by the digital-to-analog converter, and
And at each discrete time point, it is sampled to by the chest of patient and the electric current of heart, and is converted using analog to digital
Device is converted, wherein generating digitized current signal from detection resistance, electrical feedback is supplied to the microcontroller,
And the digital galvanic current is sampled at multiple intervals, generates migration current average value, the microcontroller and soft
Part calculates power, energy and voltage using each discrete time point of the migration current average value to output waveform in real time,
Described in microcontroller then increase or decrease output waveform amplitude instruction with keep desired constant current, constant energy or
Constant voltage.
In one embodiment, equipment of the invention is automation external defibrillator, emergency medical services/emergency medical
Cardioversion-defibrillation system of technical staff or Hospital Grade.
The present invention also provides a kind of systems of external treatment patient cardiac illness, include:
At least two outside multi-electrodes for contacting the region of patient skin outer surface paste piece or plate；
Pre-stimulation servo amplifier array；With
Outer wave energy software control system, it includes microcontrollers；With
Amplifier circuit with the driving of the external otherness of input terminal and output end,
The input terminal for the amplifier circuit that wherein microcontroller drives with the otherness is operatively connected, described
Microcontroller is configured to software instruction to generate the input terminal for the amplifier circuit that signal drives to the otherness,
And defibrillation or cardioversion shock is delivered in vitro in the output end of the amplifier circuit of otherness driving, by it is described at least
Two external multi-electrode patch piece or plates reach patient's heart by the chest of patient, and
Wherein in the first step, the pre-stimulation servo amplifier array is more at least two outside in a rotative pattern
The electric current of low-voltage is delivered under electrode paste piece or plate with the pre-stimulation region, and the chest muscle under the multi-electrode patch piece or plate is caused to be received
It is reduced to complete refractory period and reduces chest muscle impedance, so that Low ESR chest approach is provided, and
Wherein in second step, the amplifier circuit of the otherness driving delivers high pressure from multi-electrode patch piece or plate
The electric shock of random waveform is by the chest and heart of patient to cause defibrillation, cardioversion or defibrillation and cardioversion.
Summary of the invention
The present invention include the electric pre-stimulations based on amplifier of two steps, external cardioversion/defibrillation delivery system and
Transcutaneous pacing and/or delivering rise in hospital, EMT/EMS or AED setting and/or arbitrarily the stimulation of pace-making waveform is stopped with helping to restart
It fights the ability of heart.External defibrillation is substantially applied to patient with two step process.In the first step, pre-stimulation servo amplifier battle array
Column delivering low-voltage, electric current, apply under defibrillator electrode or patch, to induce skeletal muscle to rotate and to shrink, by muscle
Group is tightened to the point that they cannot shrink again.This low tension pre-stimulation is ready the myoarchitecture under electrode, stimulation
They enter absolute refractory period (ARP), while the pain reduction for reducing impedance in the heart and allowing to feel.It is multiple in real heart
In the second step of rule and defibrillation, apply high-voltage electric shock.External cardioversion/the defibrillation system for being advantageously based on amplifier generates
High pressure rising waveform electric shock, it includes the waves for increasing energy with time increase for the therapy including AF, AT, VT and VF
Shape, such as random waveform, including acclivity, rising index, straight line/level and ascending curve exponential waveform.These waveforms increase
Efficiency captures the patient that peels off for being not easy conversion, reduces skin burn/damage, and reduce the pain felt.Loading conformity
Transdermal delivery system to stimulate and assist using the rising or any random constant current waveform of most effective external pace-making heart
Restart and stops heart of fighting.
The defibrillation and/or cardioversion wave type energy of the amplifier circuit topology structure driven using otherness are controlled
System delivers the random shock waveform of two-phase, has as the time increases and the energy of increase and/or level, is risen by the 1st phase oblique
Slope rises index, rises copped wave, rising ladder, ascending curve, square, straight line or level and/or can mix or match use
Shown in the rising of geometry or any combination of horizontal waveform of the 1st phase and the 2nd phase waveform.These waveforms pass through 3 kinds of electricity
One of road topological mode or a variety of any selections delivering, the circuit topology mode is (1) constant current, and (2) are constant
Voltage, and (3) constant energy.The defibrillation and/or heart of defibrillation and/or cardioversion shock waveform the control delivering of software control
Cardioverting shock is to convert cardiac arrhythmia and make myocardium defibrillation.
A kind of cardioversion/defibrillation method and apparatus based on amplifier includes using A-Z class or any other classification
Amplifier circuit topology structure to handle random waveform, the 1st phase that is positive delivering with the time increase and increased energy and
Negative energy is delivered for the 2nd phase period, period can range from about 500ns- about 100ms pulse, copped wave or continuous wave, to the 1st
Mutually with the 2nd mutually using any voltage of about 0V to about +/- 2200VDC.
In another embodiment, defibrillation and/or cardioversion wave type energy control system use software control
Defibrillation and/or cardioversion shock waveform, it is therefore intended that on being changed using amplifier circuit topology structure and software instruction
Curve and/or the slope of electric shock are risen to manage the shock energy of delivering, this is to control the energy of delivering without changing peak value
Voltage or the expectation pulse width for changing defibrillation or cardioversion shock.
In another embodiment of the present invention, method and apparatus generates the 2nd phase waveform, and wherein shock voltage is relative to zero
Crosspoint " hard handover " is negative to any specified negative voltage potential, and preferably, uses about 3 milliseconds of 1- of the 2nd narrow phase
Pulse width is to make myocardium hyperpolarization after delivering the 1st phase electric shock.
Pre-stimulation reduces the chest muscle block impedance under electrode patch.This should reduce the total high-voltage electricity used between patch electrode
Hit energy.As carried out now, defibrillation loses many voltages before reaching heart by chest.
Use and calculate mathematics as reference, " rate of change " during receiving contraction of muscle can be risen oblique by delivering low pressure
Slope pre-stimulation pulse significantly reduces, induced muscle rotation and contraction before very high-voltage electric shock.Only absolutely not answer reaching
High-voltage electric shock is delivered after phase.During high-voltage electric shock, muscle should no longer be shunk, thus be reduced or avoided now with defibrillation or the heart
The relevant violent and quick contraction of muscle of the extreme pain of dirty conversion.In addition, because around electrode paste piece or plate and following
Muscle masses have passed through their stimulation, ionization and contraction phase, and the impedance under electrode in the heart is very low, indicate that targeting passes through the heart
Dirty practical shock voltage is more concentrated, and will not propagate through chest surface.Electricity generallys use the approach of minimum resistance, this
In the case of, it has been electric shock approach " being ready to ".
Most patients are more likely to the cardioversion/defibrillation that shocked by electricity with constant current, because adjusting myocardial impedance in any case,
This method delivers " constant current ", this is specified by software instruction and is delivered by amplifier.By definition, amplifier can be with
Constant current is delivered into any load impedance by the impedance characteristic that sampling is the signal of rising waveform in this case.?
In technique described herein, ideal output waveform constructs the equation stored from discrete time point or uC.Each discrete
Time point, in Microsecond grade, uC exports new waveform values to amplifier by digital-to-analog converter (DAC).Each discrete
Time point, utilize AD converter (ADC) number conversion by load electric current.It is average in multiple time samples
This digital galvanic current is to generate moving average.UC is using this migration current average value to each of ideal output waveform
Discrete time point calculates power and energy in real time.Then uC increases or decreases ideal output waveform to keep desired constant electricity
Stream reaches desired gross energy when waveform is completed.
It the use of constant current cardioversion/defibrillator of acclivity type waveforms is in the past unknown.But their meetings
It is most preferred, because they can be more predictable in rescue and consistent heart conversion aspect.
In another aspect of this invention, a method for the treatment of the cardiac conditions in human or animal patient, comprising:
At least two patch piece or plates for making patient skin region and applying electric current in a rotative pattern with the pre-stimulation region
(paddle) electrode contacts, and
Apply the heart of high-voltage electric shock to patient by least two patch or plate electrode.
In the another aspect of method of the invention, the external defibrillation cardioversion system based on amplifier is used.
In the another aspect of method of the invention, cardioversion system is arbitrarily and upper using two step electro photoluminescence, including two-phase
Slope high-voltage electric shock is risen, using the waveform for increasing and increasing energy with the time, is used to reduce crest voltage, it is multiple to reduce heart
Rule and defibrillation energy, capture are not easy those of cardioversion or defibrillation patient, reduce sensation of pain and reduce or eliminate outer
Skin burn under portion's electrode.
In the another aspect of method of the invention, the system uses the amplifier circuit topology structure of otherness driving,
Wherein the delivering of two-phase random shock waveform increases and/or the energy of level as the time increases, by the 1st phase acclivity, on
The rising or level for rising index, rising copped wave, rising ladder, ascending curve, square, straight line or level and/or geometry
Shown in any combination of waveform, pass through any choosing of 3 kinds of modes of the defibrillation and/or cardioversion shock waveform of software control
Delivering is selected, 3 kinds of modes are (1) constant current, (2) constant voltage, or (3) constant energy, it is therefore intended that control delivering
Defibrillation and/or cardioversion shock are to convert cardiac arrhythmia.
In the another aspect of method of the invention, arrhythmia cordis is treated.
In the another aspect of method of the invention, qualified medical professional passes through pairs of electrode delivery patch first
Apply and delivers pre-stimulation action of low-voltage pulse using the electric servo amplifier array stimulator of system to cause skeletal muscle to rotate and receive
Contracting, absolute refractory period and reduction chest impedance including contraction of muscle.
In the another aspect of method of the invention, in second step, deliver high pressure rising waveform or any other two-phase with
Waveform of anticipating shocks by electricity, and delivers across chest or the shirtfront and back of people, for the conversion of AF, AT, VT or VF, delivers high pressure
Electric shock rises or horizontal waveform, this can reduce the pain felt by reducing crest voltage and chest impedance, and also significantly
Reduce or eliminate under external electrode tradition on patient skin once, two degree and third-degree burn sometimes, this is because realizing
The random ramp waveform of the energy delivered and lower rate of change.
In the another aspect of method of the invention, if the first cardioversion or defibrillation shock failure, it can choose and include
Another electric shock of different biphasic waveforms is difficult to the patient that peels off of cardioversion or defibrillation to enhance and capture, and needs the heart to increase
The whole rescue rate of the patient of dirty conversion and/or defibrillation.
In the another aspect of method of the invention, the 2nd phase shock voltage is negative relative to zero cross point " hard handover " to appointing
What specified negative voltage potential, and preferably, using about 1-3 millisecond of narrow the 2nd phase pulse width arbitrarily specified with
Deliver the 1st phase electric shock makes myocardium hyperpolarization later.
In another aspect of this invention, method using the amplifier circuit topology structure of A-Z class or any other classification with
Handle random waveform, the 1st phase that is positive delivering with the time increase and increased energy and for the 2nd phase period deliver negative energy,
Period can range from about 500ns- about 100ms pulse, copped wave or continuous wave, to the 1st phase with the 2nd mutually using about 0V to about
Any voltage of +/- 2200VDC.
In the another aspect of method of the invention, two step electro photoluminescence pace delivery system use in vitro and pass through servo amplifier
The rising of array delivering or any random waveform to pace and/or assist to restart stop heart of fighting.
In another aspect of this invention, the equipment or system for treating the cardiac conditions in human or animal patient include that contact is suffered from
At least two electrode paste piece or plates of person's skin area, wherein at least two electrode pastes piece or plate can be applied in a rotative pattern
Then making alive and electric current can deliver high-voltage electric shock and pass through patient's heart to utilize the servo amplifier array pre-stimulation region
To realize defibrillation or cardioversion.
In the another aspect of equipment or system of the invention, at least two electrode pastes piece or plate can deliver percutaneous body
Outer pace-making stops heart of fighting by heart to assist restarting.
In the another aspect of equipment or system of the invention, the external defibrillation cardioversion system based on amplifier is used.
In the another aspect of equipment or system of the invention, cardioversion equipment or system use two step electro photoluminescence, include
Lower voltage two-phase is arbitrarily and acclivity high-voltage electric shock is used to subtract using the waveform for increasing and increasing energy with the time
Few crest voltage reduces cardioversion and defibrillation energy, and capture is not easy those of cardioversion or defibrillation patient, reduces pain
Feel and reduce or eliminate the skin burn under external electrode.
In the another aspect of equipment or system of the invention, the amplifier that the equipment or system are driven using otherness is electric
Road topological structure, wherein the random shock waveform of two-phase is delivered as the time increases and the energy of increase and/or level, by the 1st phase
Acclivity rises index, rises copped wave, rises ladder, ascending curve, square, straight line or level and/or geometry
Shown in any combination of rising or horizontal waveform, pass through the defibrillation of software control and/or 3 kinds of moulds of cardioversion shock waveform
Any selection of formula delivers, and 3 kinds of modes are (1) constant current, (2) constant voltage, or (3) constant energy, it is therefore intended that
The defibrillation and/or cardioversion shock for controlling delivering are to convert cardiac arrhythmia.
In the another aspect of equipment or system of the invention, arrhythmia cordis is treated.
In another aspect of this invention, equipment or system include that electric servo amplifier array stimulator is low to deliver pre-stimulation
Pulse is pressed, skeletal muscle is caused to rotate and shrink, absolute refractory period and reduction chest impedance including contraction of muscle.
In the another aspect of equipment or system of the invention, electric servo amplifier servo array can deliver in second step
High pressure rising waveform or the random waveform electric shock of any other two-phase, deliver across chest or the shirtfront and back of people, use
In the conversion of AF, AT, VT or VF, high-voltage electric shock rising or horizontal waveform are delivered, this, which can pass through, reduces crest voltage and chest hinders
It is anti-to reduce the pain felt, and also greatly reduce or eliminates under external electrode on patient skin it is traditional once, two degree and
Sometimes third-degree burn, this is because realize delivered energy random ramp waveform and lower rate of change.
In another aspect of this invention, if the first cardioversion or defibrillation shock failure, the equipment or system can
Another electric shock of the delivering comprising different biphasic waveforms is difficult to the patient that peels off of cardioversion or defibrillation to enhance and capture, to increase
Add the whole rescue rate for the patient for needing cardioversion and/or defibrillation.
In another aspect of this invention, equipment or system include the amplifier circuit topology of A-Z class or any other classification
Structure is to handle random waveform, and the 1st phase period delivering that is positive is as the time increases and increased energy and passs for the 2nd phase period
Negative energy is sent, period can range from about 500ns- about 100ms pulse, copped wave or continuous wave, mutually be used with the 2nd the 1st phase
Any voltage of about 0V to about +/- 2200VDC.
In the another aspect of equipment or system of the invention, two step electro photoluminescence pace delivery system use in vitro and pass through servo
The rising of amplifier array delivering or random waveform to pace and/or assist to restart stop heart of fighting.
In another aspect of this invention, in the improvement system of defibrillation or cardioversion, wherein applying shock waveform in vitro
By the heart of patient, in the improvement all external defibrillations and/or cardioversion waveform, pre-stimulation waveform and wave is paced in vitro
Shape and ability use rising, level or any random geometry waveform using the delivering of amplifier circuit topology structure, at
The cardioversion of function, defibrillation and/or therapy is paced in vitro.
In another aspect of this invention, in the improvement system of defibrillation or cardioversion, wherein applying shock waveform in vitro
By the heart of patient, ideal output waveform constructs the equation stored from discrete time point or uC in the improvement,
At each discrete time point, in Microsecond grade, uC exports new waveform values to amplifier by digital-to-analog converter (DAC), and
And at each discrete time point, using the conversion of AD converter (ADC) number by the electric current of load, using more
Average digital galvanic current is in a time sample to generate moving average, and is wherein put down by uC using this migration current
Mean value calculates power and energy to each discrete time point of ideal output waveform in real time, and wherein then uC increases or decreases reason
The output waveform thought is to keep desired constant current or reach desired gross energy when waveform is completed, and wherein electric current feels electricity
Resistance provides the servo amplifier voltage and current that electrical feedback is used to control delivering to uP.
The present invention includes a kind of product, and there is exemplary feature, characteristic and component in the product that can be described hereafter to close
System, and the scope of the present invention can show in detail in the claims.
Brief Description Of Drawings
For a better understanding of the present invention, with reference to following explanation related with attached drawing, in which:
Fig. 1 shows a kind of circuit diagrams of embodiment of the invention, comprising the external ventricular cardioversion based on amplifier/
Defibrillation device and its primary clustering and circuit structure；
Fig. 2 indicate external ventricular cardioversion/defibrillation hospital stage arrangement based on amplifier and related electrode plate and/or
The perspective view of patch；
The view in the electrode ammeter face that Fig. 3 expression is contacted with the chest of patient simultaneously shows Large-scale High-Pressure conduction electric-shock electrode,
Also serve as the contraction of muscle circuit of transcutaneous pacing electrode and rotation, it is therefore intended that delivering pre-stimulation energy；
Fig. 4 A and Fig. 4 B are the schematic diagrames for applying pre-stimulation and actual high-voltage electric shock or transcutaneous pacing therapy to patient；
Fig. 5 is indicated in the external ventricular cardioversion based on amplifier/defibrillation electrode arrangement and AED setting for patient
Carry out the system outline of the relevant two steps cardioversion/defibrillation method of cardioversion/defibrillation；With
Fig. 6 A-6C indicates to be produced with the amplifier that the operation mode of constant voltage, constant current and constant energy delivers respectively
Raw acclivity shock waveform example.The impedance delivered in example, voltage and current are shown.
Attached drawing is described in detail
Fig. 1 illustrates a kind of embodiment of available defibrillation system according to the present invention.AC voltage 2 is inputted to adjust by route
The processing of device 10.The DC/DC converter 16 that battery 12 provides power to pulsewidth modulation (PWM) and adjusts transfers distribution control electricity
It is depressed into microprocessor 18, ECG Amp 20 and ECG analysis of sensation instrument 22 and rotating servo amplifier array 24.In patient chest
In region 36, DC/DC converter 16 also distributes high pressure to condenser network 28 and two amplifiers 30 and 32.Electrode 38 and 40 with
Their own line is the electrode in vitro being placed on patient's chest as shown in Figures 4 and 5.
According to the present invention, the equipment includes external defibrillator.Another embodiment according to the present invention, the equipment can
To treat the VT of any mechanism, including but not limited to automatically, triggering or reentrant or VF, occur in the normal heart of structure
In dirty, hypertrophic cardiac or myopathy heart (unrelated with the source of foundation structure heart disease).Another embodiment party according to the present invention
Case, the equipment for treating ventricular fibrillation or Ventricular Tachycardia includes that delivering two-phase rises index, acclivity or any rising waveform
Mode.It may also be noticed that the myocardium resistance shown in 42 and 44.These ohmmeters are shown with effect cardioversion/defibrillation load, wherein
Voltage and current from amplifier delivers cardioversion/defibrillation shock simultaneously between two amplifiers, such as rotation and pre- thorn
Shown in excitation circuit 64.Electric current feels that resistance 48 and 49 provides electrical feedback to uP 18, for controlling delivered servo amplifier
Voltage and current.
In Fig. 2, typical hospital-grade defibrillation system 50 includes the electrode plate that console 56 is connected to by cable 54
52。
Fig. 3 shows bottom or the plane 62 of electrode plate or patch, and wherein printed circuit 64 passes through as micro- in console 56
Type controller activation and driving.Preferably, in a manner of sequential, timing, pulse active circuit in patient skin table
Face causes to rotate effect.Apply pulse rotating energy about 1-4 from servo amplifier array 24 with the pulse voltage of about 10V- about 80V
After second, the central part 70 of plate or patch receive about 800- about 2200V for the high-voltage electric shock of defibrillation or cardioversion about
4-100ms.Central part 70 also provides in-vitro percutaneous pacing mode, uses rising or random, constant current waveform.
As shown in the figure such as including Fig. 3, external rotation property contraction of muscle pre-stimulation function and transcutaneous pacing circuit make
With identical electronic circuit to deliver voltage and current to chest muscle region.When described device is in desired and selected
When mode, the voltage range of two functions is identical and passes through different software instruction orders.
For example, each free servo of 10 conducting channel pads 64 around main high voltage electrode section 70 shown in Fig. 3 is put
Big device array electric drive, the servo amplifier array are made of 10 individual servo amplifiers, can low-frequency pulse, can
To deliver electro photoluminescence and pacemaker impulse to about 100Hz otherness from DC current (DC).This expression can drive in a rotative pattern
Any one of dynamic 10 amplifiers are pre- to deliver by any other amplifier in chest muscle to an electrode paste piece or plate
Stimulation is shunk, and when carrying out pace-making selection, can individually or simultaneously drive any or institute in each patch or plate electrode
The ability for thering is amplifier to maximize capture conducting system of heart across chest between patch piece or plate, it is therefore intended that external pace-making.
Software instruction should have several optional modes of rotatory stimulation to realize the optimal retraction of pre-stimulation function, and should set
The software instruction paced in vitro is to deliver the best delivering for best heart capture, to ensure the exception of about 30ma-50ma
Reliably conduct current through chest, it is therefore intended that outer cardiac pacing.The electricity of about 10V- about 80V is provided by servo amplifier array
Range is pressed to adapt to the wide scope of chest impedance, realizes successfully external pace-making therapy.Electronic device should include current sense
Feature, so that the information from chest impedance and gained electric current are then used as feeding back to microcontroller --- so software instruction
The voltage and current that can be delivered between adjust automatically patch or plate electrode is for chest muscle under pace-making in vitro or electrode paste piece or plate
Optimization pre-stimulation.
In Figure 4 A, two electrode plates or patch 76 are spaced apart in patient skin surface 78.Curved arrow 80 indicates
The expection rotating path for the electric current applied during pre-stimulation step.The rotatory current 80 delivered from servo amplifier array 24 is intended to
Stimulate flesh block to its absolute refractory period before applying main defibrillation, cardioversion shock.
As shown in Figure 4 B, electrode plate or patch 76 are located at the two sides of patient's heart 82.In each electrode plate or patch 76
Dark area 86 indicates to apply main defibrillation shock.Fig. 4 A and 4B indicate that the external ventricular heart based on amplifier is multiple together
The system outline of rule/defibrillation electrode position and related two step cardioversions/defibrillation procedure.
In fig. 5, it is shown that being treated with AED.AED device 90 is to check cardiac rhythm and can send electric shock to restore normal
The external defibrillator of the rhythm and pace of moving things.Device 90, which has written instruction and provides voice, to be indicated to operator 94.Operator 94 can be by electrode
Patch piece or plate 96 is placed on the chest area 98 of patient 100, so that their good adhesions are simultaneously conductive to chest area 98.With this hair
Bright embodiment is consistent, and 96 meeting of electrode paste piece or plate and circuit configuration are to apply rotatory current before applying defibrillation shock
(not shown).
Fig. 6 A-6C shows the acclivity shock waveform example that typical amplifier generates, with constant voltage (Fig. 6 A),
The operation mode of constant current (Fig. 6 B) and constant energy (Fig. 6 C) indicates.The impedance delivered in example, voltage and current are shown.
In each figure, left side waveform is the chest impedance based on 40 ohm, and right side waveform is the chest impedance based on 50 ohm.
For Fig. 6 A, constant voltage, in 40 ohm of examples, voltage keeps identical with 50 ohm of examples.But 40
In ohm example, electric current increases, and the energy delivered increases.
For Fig. 6 B, constant current, in 40 ohm of examples, electric current keeps identical with 50 ohm of examples.But 40
In ohm example, voltage increases, and the energy delivered increases.
For Fig. 6 C, constant energy, in 40 ohm of examples, energy keeps identical with 50 ohm of examples.But 40
In ohm example, voltage is reduced, and the electric current delivered increases.
For the technical staff in cardioversion and/or defibrillation field and science, preferably " constant current " electric shock, because
It is that " electric current " or power carry out " work " in any electric system.Voltage level is the voltage level of current potential or storage, and energy is
The product of voltage x current, be equal to by watt in terms of power and V x I=W x time=watt/second or joule energy.
Therefore it can be appreciated that purpose in those of obvious from the foregoing description, being illustrated above effectively reaches, also,
Because certain changes can be made in the device and method shown without departing from the spirit and scope of the invention, in above description
It is illustrative comprising should be construed as with all themes shown in the accompanying drawings, it is not to explain in a limiting sense.
It should also be understood that following following claims is intended to all general and specific characteristic of covering invention described herein, and
As language issues, all statements of the scope of the invention are it may be said that fall in therebetween.
Claims (13)
1. a kind of equipment of the cardiac conditions in external treatment patient, it includes:
At least two outside multi-electrodes for contacting the region of patient skin outer surface paste piece or plate；
Pre-stimulation servo amplifier array；With
Outer wave energy software control system, it includes:
Containing with the electronic system of the microcontroller of software programming；With
Amplifier circuit with the driving of the external otherness of input terminal and output end,
The input terminal for the amplifier circuit that wherein microcontroller drives with the otherness is operatively connected, described miniature
Controller is configured to software instruction to generate the input terminal for the amplifier circuit that signal drives to the otherness, and
The output end of the amplifier circuit of otherness driving be delivered in vitro the rising of constant current, constant energy or constant voltage with
Transcutaneous pacing, low-pressure therapeutic, defibrillation or the cardioversion shock for ramp waveform of anticipating are pasted by least two outside multi-electrode
Piece or plate reaches patient's heart by patient skin, and
Wherein in the first step, the pre-stimulation servo amplifier array is in a rotative pattern at least two outside multi-electrode
It pastes and delivers the electric current of low-voltage under piece or plate with the pre-stimulation region, the chest muscle under the multi-electrode patch piece or plate is caused to be retracted to
Complete refractory period simultaneously reduces chest muscle impedance, so that Low ESR chest approach is provided, and
Wherein in second step, the amplifier circuit of the otherness driving is random from multi-electrode patch piece or plate delivering high pressure
The electric shock of waveform is by the chest and heart of patient to cause defibrillation, cardioversion or defibrillation and cardioversion.
2. the equipment of claim 1, wherein at least two outside multi-electrode patch piece or plate can deliver it is percutaneous it is external arbitrarily
Pacemaker impulse and/or low pressure or high voltage therapy stop heart of fighting by the chest and heart of patient to restart.
3. the equipment of claim 1, wherein the amplifier circuit topology structure that the system uses otherness to drive, thus external
The delivering of two-phase random shock waveform increases and/or the energy of level as the time increases, by the 1st phase or the 2nd phase acclivity,
Rising or the water for rising index, rising copped wave, rising ladder, ascending curve, square, straight line or level and/or geometry
Shown in any combination of flat waveform, pass through any of 3 kinds of modes of the defibrillation of software control and/or cardioversion shock waveform
Selection delivering, 3 kinds of modes are constant current, constant energy or constant voltage, it is therefore intended that control delivering defibrillation and/or
Cardioversion shock is to convert cardiac arrhythmia.
4. the equipment of claim 1, wherein the cardiac conditions are arrhythmia cordis.
5. the equipment of claim 1, wherein the electricity servo amplifier array delivers pre-stimulation low pressure under each multi-electrode region
Pulse to cause skeletal muscle to rotate and shrink, the absolute refractory period including contraction of muscle, and reduces chest muscle impedance.
6. the equipment of claim 5, wherein the amplifier circuit delivering high pressure of otherness driving rises random waveform or appoints
What its two-phase random waveform electric shock, delivers across the chest of patient or the shirtfront and back of patient, for atrial fibrillation,
The conversion of atrial tachycardia, Ventricular Tachycardia or ventricular fibrillation.
7. the equipment of claim 1, wherein if the first cardioversion or defibrillation shock failure, system software can analyze the electricity
It hits and why fails and the equipment delivering is made to shock by electricity comprising another outside of different biphasic waveform geometric figures.
8. the equipment of claim 1, it includes the amplifier circuits of external otherness driving to handle random biphasic waveform, described
Random biphasic waveform is positive the delivering of the 1st phase period as the time increases and increased energy and delivers negative energy for the 2nd phase period,
Period range is about 500ns- about 100ms, and the waveform is pulse, copped wave or continuous wave, to the 1st phase with the 2nd mutually using about
Any voltage of 0V to about +/- 2200VDC.
9. the equipment of claim 1, wherein the amplifier circuit delivering driven by the otherness rises or horizontal random wave
Shape stops heart of fighting to pace and/or assist to restart.
10. the equipment of claim 1, wherein the outer wave energy management system also includes digital-to-analog converter, and
And wherein the microcontroller is operatively connected with the digital-to-analog converter, the digital-to-analog converter and institute
The input terminal for stating the amplifier circuit of otherness driving is operatively connected, and the microcontroller is arranged in response to software instruction
To generate signal to the digital-to-analog converter, the digital-to-analog converter provides signals to the otherness and drives
The input terminal of dynamic amplifier circuit and the otherness driving amplifier circuit output end utilize for defibrillation with/
Or cardioversion rising horizontal waveform electric shock or for the rising of pace-making or the waveform of level by constant current, constant voltage
Or the heart that constant energy delivering passes through patient.
11. the equipment of claim 10, wherein the wave type energy control system, which can apply in vitro shock waveform, passes through patient
Heart and chest, and output waveform constructs the equation that stores from discrete time point or microcontroller, each discrete
Time point, in Microsecond grade, the microcontroller exports new waveform values to amplifying by the digital-to-analog converter
Device, and at each discrete time point, it is sampled to by the chest of patient and the electric current of heart, and utilize analog to digital
Converter is converted, wherein generating digitized current signal from detection resistance, electrical feedback is supplied to the miniature control
Device processed, and the digital galvanic current is sampled at multiple intervals, generate migration current average value, the microcontroller
Power, energy and electricity are calculated in real time using each discrete time point of the migration current average value to output waveform with software
Pressure, wherein the microcontroller increases or decreases the instruction of output waveform amplitude then to keep desired constant current, constant
Energy or constant voltage.
12. the equipment of claim 1 is automation external defibrillator, emergency medical services/emergency medical technical staff or doctor
Cardioversion-defibrillation system of institute's grade.
13. a kind of system of external treatment patient cardiac illness, includes:
At least two outside multi-electrodes for contacting the region of patient skin outer surface paste piece or plate；
Pre-stimulation servo amplifier array；With
Outer wave energy software control system, it includes microcontrollers；With
Amplifier circuit with the driving of the external otherness of input terminal and output end,
The input terminal for the amplifier circuit that wherein microcontroller drives with the otherness is operatively connected, described miniature
Controller is configured to software instruction to generate the input terminal for the amplifier circuit that signal drives to the otherness, and
Defibrillation or cardioversion shock is delivered in vitro in the output end of the amplifier circuit of the otherness driving, passes through described at least two
External multi-electrode patch piece or plate reaches patient's heart by the chest of patient, and
Wherein in the first step, the pre-stimulation servo amplifier array is in a rotative pattern at least two outside multi-electrode
It pastes and delivers the electric current of low-voltage under piece or plate with the pre-stimulation region, the chest muscle under the multi-electrode patch piece or plate is caused to be retracted to
Complete refractory period simultaneously reduces chest muscle impedance, so that Low ESR chest approach is provided, and
Wherein in second step, the amplifier circuit of the otherness driving is random from multi-electrode patch piece or plate delivering high pressure
The electric shock of waveform is by the chest and heart of patient to cause defibrillation, cardioversion or defibrillation and cardioversion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462062331P | 2014-10-10 | 2014-10-10 | |
| US62/062,331 | 2014-10-10 | ||
| PCT/US2015/055330 WO2016058004A1 (en) | 2014-10-10 | 2015-10-13 | Method and system for hospital, emt/ems, and aed grade external defibrillation and transcutaneous pacing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106999713A CN106999713A (en) | 2017-08-01 |
| CN106999713B true CN106999713B (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580067326.9A Expired - Fee Related CN106999713B (en) | 2014-10-10 | 2015-10-13 | Device and system for hospital, EMT/EMS and AED grade external defibrillation and transcutaneous pacing |
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| Country | Link |
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| EP (1) | EP3203970A1 (en) |
| CN (1) | CN106999713B (en) |
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| US11623102B2 (en) * | 2018-07-31 | 2023-04-11 | Medtronic, Inc. | Wearable defibrillation apparatus configured to apply a machine learning algorithm |
| CN116392717B (en) * | 2023-06-07 | 2023-08-25 | 苏州维伟思医疗科技有限公司 | External defibrillation system, device and discharging method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6968230B2 (en) * | 2002-06-26 | 2005-11-22 | Medtronic Physio-Control Manufacturing Corp | H-bridge circuit for generating a high-energy biphasic and external pacing waveform in an external defibrillator |
| US7920918B2 (en) * | 2007-11-16 | 2011-04-05 | Ruse Technologies, Llc | Apparatus and method for treating ventricular fibrillation and ventricular tachycardia |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040039419A1 (en) * | 1999-09-30 | 2004-02-26 | Stickney Ronald E. | Apparatus, software, and methods for cardiac pulse detection using a piezoelectric sensor |
| US10500405B2 (en) * | 2012-09-28 | 2019-12-10 | Physio-Control, Inc. | Preventing use of sync mode during cardioversion and defibrillation |
-
2015
- 2015-10-13 CN CN201580067326.9A patent/CN106999713B/en not_active Expired - Fee Related
- 2015-10-13 EP EP15849246.2A patent/EP3203970A1/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6968230B2 (en) * | 2002-06-26 | 2005-11-22 | Medtronic Physio-Control Manufacturing Corp | H-bridge circuit for generating a high-energy biphasic and external pacing waveform in an external defibrillator |
| US7920918B2 (en) * | 2007-11-16 | 2011-04-05 | Ruse Technologies, Llc | Apparatus and method for treating ventricular fibrillation and ventricular tachycardia |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3203970A1 (en) | 2017-08-16 |
| CN106999713A (en) | 2017-08-01 |
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