CN119097843A - Power supply device, defibrillator and defibrillator system - Google Patents
Power supply device, defibrillator and defibrillator system Download PDFInfo
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- CN119097843A CN119097843A CN202411226673.9A CN202411226673A CN119097843A CN 119097843 A CN119097843 A CN 119097843A CN 202411226673 A CN202411226673 A CN 202411226673A CN 119097843 A CN119097843 A CN 119097843A
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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
- A61N1/3956—Implantable devices for applying electric shocks to the heart, e.g. for cardioversion
- A61N1/3962—Implantable devices for applying electric shocks to the heart, e.g. for cardioversion in combination with another heart therapy
- A61N1/39622—Pacing therapy
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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
- A61N1/3975—Power supply
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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
- A61N1/3975—Power supply
- A61N1/3981—High voltage charging circuitry
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Abstract
The application provides a power supply device, a defibrillator and a defibrillator system, wherein the defibrillator comprises the power supply device, a charging module, a first functional module, a second functional module, a third functional module, a fourth functional module and a lead interface module, and the first functional module, the second functional module, the third functional module and the fourth functional module are matched to provide heart contraction force adjusting treatment pulses so as to realize defibrillation and simultaneously provide heart contraction force adjusting treatment functions, and the dual-battery power supply module of the power supply device can supply power and charge for the functional modules so as to solve the problems of limited performance or shortened service life of an ICD integrated with CCM (continuous therapy) function in application.
Description
Technical Field
The present application relates to the field of medical devices, and more particularly, to a power supply device, a defibrillator, and a defibrillator system.
Background
An implantable cardioverter-defibrillator (Implantable Cardioverter Defibrillator, ICD) is used to provide anti-tachycardia pacing pulses and high voltage defibrillation pulses. To improve the clinical symptoms of ICD, a cardiac contractility regulating therapeutic function (Cardiac Contractility Modulation, CCM) is integrated into the ICD, and the CCM technique implants a stimulation electrode into the right ventricle of the patient through minimally invasive surgery, releasing electrical stimulation during the absolute refractory period of the heart beat to increase the contractility of the local myocardium. The CCM is combined with the ICD to form medical equipment integrating antiarrhythmic and heart failure treatment.
The single CCM device adopts a single battery power supply mode. The power supply mode selects a lithium battery with high energy density and long service life as an energy source so as to ensure that the equipment can stably run for a long time in a patient. Lithium batteries are widely used in implantable medical devices at their higher energy density and longer cycle life.
For ICD batteries that integrate CCM functionality, it is desirable to have high driving capability and long endurance capabilities at the same time, for example, high voltage defibrillation requires instantaneous release of a large amount of energy, continuous monitoring and on-demand therapy requiring batteries with longer life. However, the cell power supply method has difficulty in balancing the two, resulting in problems of limited performance or shortened lifetime of the device in application.
Disclosure of Invention
The application provides a power supply device, a defibrillator and a defibrillator system, which are used for solving the problems of limited performance or shortened service life of ICDs integrated with CCM functions in application.
In a first aspect, the present application provides a power supply device, comprising:
The double-battery power supply module comprises a first battery and a second battery, wherein the first battery outputs a first voltage, the second battery outputs a second voltage, and a charging interface is arranged on the second battery;
the power supply switching circuit is characterized in that a first end of the power supply switching circuit is connected with the first battery and the second battery, a second end of the power supply switching circuit is connected with the voltage stabilizing circuit, a third end of the power supply switching circuit is connected with the first voltage boosting circuit so as to output a third voltage through the voltage stabilizing circuit, and a fourth voltage is output through the first voltage boosting circuit;
and the second boost circuit is connected with the second battery to output a fifth voltage.
In a second aspect, the present application provides a defibrillator comprising:
a first unit comprising the power supply device of the first aspect;
A charging module configured to charge a second battery of the power supply device;
A second unit including:
a first functional module configured to transmit a bi-directional pulse according to the region to be defibrillated;
a second functional module configured to transmit electrical pulses and fixed frequency pulses according to the region to be defibrillated;
a third functional module configured to deliver defibrillation pulses according to the region to be defibrillated;
a fourth functional module configured to transmit an electrical pulse in accordance with the region to be defibrillated;
the power supply device is configured to supply electric energy to the first functional module, the second functional module, the third functional module and the fourth functional module;
A third unit including:
A lead interface module configured to be connected to an electrode lead of a region to be defibrillated, the first, second, third, and fourth functional modules being connected to the lead interface module;
The main control module is connected with the first unit and the second unit and is configured to receive acquired data of the first unit and the second unit and generate an instruction according to the acquired data.
In some possible embodiments, the first functional module includes a first energy storage capacitor and a first charge-discharge switch set, the second functional module includes a second energy storage capacitor and a second charge-discharge switch set, and the third functional module includes a third energy storage capacitor and a third charge-discharge switch set;
The first voltage is used for driving current to charge the third energy storage capacitor, the third voltage is used for driving current to supply power for the third charge-discharge switch group, the fourth voltage is used for driving current to supply power for the first charge-discharge switch group and the second charge-discharge switch group, the fifth voltage is used for driving current to charge the first charge-discharge switch group and the second charge-discharge switch group, and the third energy storage capacitor is charged in a fixed time.
In some possible embodiments, the remaining power of the second battery is obtained;
If the residual electric quantity is smaller than or equal to a first electric quantity threshold value, controlling a power supply switching circuit, and controlling the power supply switching circuit to enable a first battery to supply power for the voltage stabilizing circuit and the first voltage boosting circuit;
If the electric quantity energy is larger than an electric quantity threshold value, the second battery is kept to supply power for the voltage stabilizing circuit and the first voltage boosting circuit;
if the residual electric quantity is larger than or equal to a second electric quantity threshold value, controlling a power supply switching circuit, and controlling the power supply switching circuit to enable the second battery to supply power for the voltage stabilizing circuit and the first voltage boosting circuit, wherein the second electric quantity threshold value is larger than the first electric quantity threshold value;
And if the electric quantity energy is smaller than a second electric quantity threshold value and larger than the first electric quantity threshold value, the first battery is kept to supply power for the voltage stabilizing circuit and the first voltage boosting circuit.
In some possible embodiments, the second unit further comprises:
an impedance monitoring module connected to the lead interface module through an electrode lead configured to monitor an electrode impedance of the electrode lead;
the sensing module is connected with the lead interface module through an electrode lead and is configured to acquire an electric signal of a region to be defibrillated of the electrode lead, convert the electric signal into a digital signal and transmit the digital signal to the main control module;
A sensing threshold judging circuit is arranged in the sensing module and is configured to generate a logic judging result and transmit the logic judging result to the main control module;
the power monitoring module is configured to monitor the working voltages of the first battery and the second battery so as to output the residual power of the first battery and the second battery;
And the electric quantity monitoring module is configured to monitor the working voltages of the first battery and the second battery so as to output the residual electric quantity of the first battery and the second battery.
In some possible embodiments, the wire interface module includes at least a first interface, a second interface, and a third interface;
The first interface is used for connecting a first subsection of the region to be defibrillated, and the second interface is used for connecting a second subsection of the region to be defibrillated; the first interface and the second interface are connected with the impedance monitoring module, the sensing module, the first functional module, the second functional module, the third functional module and the fourth functional module;
The third interface is connected with the sensing module and the third functional module and is used for connecting electrode wires of the third functional module.
In some possible embodiments, the lead interface module further comprises a fourth interface for connecting a third sub-portion of the region to be defibrillated, the fourth interface being connected with the impedance monitoring module, the sensing module, and a fourth functional module.
In some possible embodiments, the first unit further comprises:
A communication module configured to communicate with the outside;
A temperature detection module configured to detect an operating temperature of the defibrillator;
a motion monitoring module configured to monitor an activity level of a carrier of the region to be defibrillated and a posture retention time;
a magnetic field detection module configured to monitor a magnetic field;
and the buzzer alarm module is configured to emit alarm sound when the defibrillator is in a strong magnetic environment and/or the jumping frequency of the area to be defibrillated is greater than or equal to a frequency threshold value.
In some possible embodiments, the second voltage is used to drive current to power the main control module, the communication module, the temperature detection module, the motion monitoring module, the magnetic field detection module, the buzzer alert module, the impedance monitoring module, and the sensing module.
In a third aspect, the present application provides a defibrillator system comprising the defibrillator of the second aspect, and a first terminal, a magnet, a charging device, a programming device connected to the defibrillator;
The first terminal is configured to wirelessly communicate with the defibrillator and collect the received data of the main control module;
the magnet is configured to activate a function of the defibrillator;
The charging device is configured to charge a charging module;
The programming means is configured to adjust parameters of the defibrillator.
According to the technical scheme, the application provides the power supply device, the defibrillator and the defibrillator system, the defibrillator comprises the power supply device, the charging module, the first functional module, the second functional module, the third functional module, the fourth functional module and the lead interface module, and the heart contraction force adjusting treatment pulse can be provided through the cooperation of the first functional module, the second functional module, the third functional module and the fourth functional module so as to realize defibrillation and simultaneously have the heart contraction force adjusting treatment function, and the dual-battery power supply module of the power supply device can supply power and charge for the functional modules so as to solve the problems of limited performance or shortened service life of the ICD integrating the CCM function in application.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a power supply device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a defibrillator according to an embodiment of the present application;
fig. 3 is a schematic power supply diagram of a power supply device according to an embodiment of the present application;
fig. 4 is a schematic flow chart of charge switching according to an embodiment of the present application;
Fig. 5 is a schematic structural diagram of a wire interface module according to an embodiment of the present application;
Fig. 6 is a connection schematic diagram of a wire interface module according to an embodiment of the present application;
Fig. 7 is a schematic diagram of a defibrillator system according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the application. Merely exemplary of systems and methods consistent with aspects of the application as set forth in the claims.
For defibrillators, including wearable and implantable defibrillators, ICDs are electronic devices that can be implanted in a patient, continuously monitor the patient's heart rhythm, and when a tachycardia or ventricular arrhythmia, such as ventricular tachycardia or ventricular fibrillation, automatically release an electrical shock for defibrillation or electrical cardioversion to restore the patient's normal heartbeat, thereby avoiding sudden death.
ICDs with the function of heart contractility regulating and treating CCM combine the functions of ICDs and CCMs, provide comprehensive heart protection for patients, and can prevent sudden cardiac death and improve heart failure symptoms. ICDs identify malignant arrhythmias such as ventricular tachycardia or ventricular fibrillation by monitoring the patient's cardiac signals. When an arrhythmia is detected, the ICD releases electrical shock energy for defibrillation or electrical cardioversion to resume the patient's normal heartbeat. CCM delivers electrical stimulation during a specific period of cardiac contraction of the myocardium, e.g., an absolute refractory period, which does not alter the patient's heart rhythm. The calcium regulation state of cardiac muscle is improved through a series of signal paths, and the contraction capacity of cardiac muscle is enhanced, so that the cardiac function of heart failure patients is improved.
Single CCM is battery powered. The single cell helps to reduce the volume of the CCM, making it easier to implant in the patient, and reducing the impact on the patient's daily life. Also, the cell system is relatively simple, and the connection between the batteries and the failure point can be reduced.
Although the battery cells of an ICD have a long life, as the battery charge is depleted, the ICD requires replacement surgery, increasing the patient's medical risk and cost. Also, in order to extend the life of the battery and improve the driving ability, it is necessary to increase the volume and weight of the battery. However, in implantable medical devices, increases in volume and weight can limit the mobility of the patient, resulting in problems with limited performance or reduced lifetime of the device in application.
In order to solve the above-mentioned problems, referring to fig. 1, some embodiments of the present application provide a power supply device, including:
The double-battery power supply module comprises a first battery and a second battery, wherein the first battery is a non-rechargeable battery, such as a lithium-silver barium pentoxide battery, and the lithium-silver barium pentoxide battery has higher energy density, can provide a large amount of energy in a short time, and meets the high energy requirement during cardioversion defibrillation. The second battery is a rechargeable battery, for example, a lithium-iodine battery, which has a long service life, supports repeated charging, and can provide a stable power supply. The first battery outputs a first voltage, and the second battery outputs a second voltage.
The second battery is provided with a wireless charging interface, the wireless charging interface refers to a wireless charging receiving coil integrated inside or outside the battery, and the wireless charging receiving coil and a wireless charging transmitter, for example, a charging pad or a transmitting coil in a charging base are mutually coupled through electromagnetic induction, magnetic field resonance or other wireless modes, so that electric energy transmission is realized.
The first battery and the second battery are connected with a first end of the power supply switching circuit, namely the power supply switching circuit is connected with the non-rechargeable battery and the rechargeable battery at the same time. The power supply switching circuit selects a proper battery to supply power according to the state of the battery, such as the electric quantity and the health condition through an intelligent switching mechanism.
The second end of the power supply switching circuit is connected with a voltage stabilizing circuit so as to output a third voltage through the voltage stabilizing circuit, and the voltage stabilizing circuit can understand that the unstable voltage can come from the first battery or the second battery through the unstable voltage input from the first end, but is converted into a stable third voltage output through the voltage stabilizing circuit.
The third end of the power supply switching circuit is connected with a first boost circuit, the first boost circuit outputs a fourth voltage, the first boost circuit is used for boosting the input voltage to a higher voltage level so as to generate the fourth voltage, and the fourth voltage is used in occasions needing high voltage output, for example, in the case of cardioversion defibrillation.
When the residual energy of the second battery is insufficient, the power supply switching circuit controls the first battery to supply power for the voltage stabilizing circuit and the first boost circuit. Through intelligent switching power supply, can be when the second battery electric quantity is not enough seamless transition to stand-by power supply to avoid stopping because of the battery runs out and leads to. ICDs with CCMs may be powered by both rechargeable and non-rechargeable batteries to ensure continuous, stable operation of the ICDs.
Based on the above-mentioned power supply device, referring to fig. 2, some embodiments of the present application further provide a defibrillator, which includes a first unit, a second unit, and a third unit. The first unit comprises the power supply device and a charging module, and the charging module charges the second battery through a wireless charging interface on the second battery.
The second unit comprises a first functional module, a second functional module, a third functional module and a fourth functional module, wherein the first functional module is configured to send bi-directional pulses according to the region to be defibrillated, and the bi-directional pulses are used as a treatment mode for providing a heart contractile force regulation treatment. Wherein the region to be defibrillated is a right ventricular septum region of the patient's heart. The defibrillator will release the electrical stimulation signal to regulate the contractile force during the absolute refractory period of systole.
The second functional module is configured to send an anti-tachycardia electrical pulse according to the region to be defibrillated and a fixed frequency pulse, the electrical pulse being sent according to the region to be defibrillated for providing anti-tachycardia therapy when ventricular tachycardia occurs in the patient, i.e., when the patient's heart rate exceeds a ventricular tachycardia threshold, sending pulses to heart muscle through the electrode leads, capturing the heart muscle, inhibiting tachycardia. Fixed frequency pulses are sent for testing according to the region to be defibrillated, and the myocardium is captured by delivering frequency pulses, e.g., 50Hz frequency pulses, to induce myocardial fibrillation.
The third functional module is configured to deliver defibrillation pulses to the heart muscle for delivering low energy transcardioversion pulses and high energy defibrillation pulses for cardioversion the heart to resume normal rhythmic beating upon ventricular tachycardia or ventricular fibrillation, in accordance with the region to be defibrillated.
The fourth functional module is configured to send electrical pulses to the heart muscle via the electrode lead to capture the heart muscle in response to the region to be defibrillated for providing bradycardia therapy, i.e., when the patient's heart rate is below a set threshold.
The power supply device provides power to the first, second, third and fourth functional modules, see fig. 3, wherein the first voltage powers the third functional module, and in some embodiments, the first functional module includes a first energy storage capacitor and a first charge-discharge switch set, the second functional module includes a second energy storage capacitor and a second charge-discharge switch set, and the third functional module includes a third energy storage capacitor and a third charge-discharge switch set.
The third energy storage capacitor is charged through the first voltage, namely the voltage output by the first battery, and the high-power charging exceeding 10W is provided in the charging process of the high-voltage pulse energy storage capacitor, so that the charging speed of the energy storage capacitor can be ensured, and the energy typical value of the charged high-voltage pulse capacitor is 40J.
The third charge-discharge switch group is powered by a third voltage, namely the voltage output by the voltage stabilizing circuit drives current, the third voltage output is 15V, and the power is supplied to the charge-discharge switch group controlled by the high-voltage defibrillation pulse.
The first charge-discharge switch group and the second charge-discharge switch group are powered by a fourth voltage, namely a voltage output by the first boost circuit, the typical value of the fourth voltage is 8V, and the fourth voltage is provided for the high voltage level of the first functional module and the second functional module.
The second battery is connected with the second voltage boosting circuit and outputs a fifth voltage, wherein the voltage output of the second battery is boosted by the second voltage boosting circuit. The first charge-discharge switch group and the second charge-discharge switch group are charged by a fifth voltage driving current, and the fifth voltage also charges the third energy storage capacitor in a fixed time, so that the third energy storage capacitor can be charged by a pulse capacitor with power of about 0.1W.
The defibrillator also comprises a main control module which is connected with the first unit and the second unit and is configured to receive the acquired data of the first unit and the second unit and generate instructions according to the acquired data. The main control module is used for acquiring information including electrode wire impedance, intracavity electric signal sensing, exercise amount acquisition, magnetic field detection, temperature detection, battery electric quantity monitoring and the like, running software and an algorithm, synthesizing each item of monitoring information to carry out logic judgment, controlling double-battery power supply selection, pacing pulse delivery, CCM treatment pulse, ATP pulse, defibrillation pulse and the like, and simultaneously being responsible for controlling data transceiving of Bluetooth wireless communication and near-field wireless communication.
In order to flexibly control the power supply source, in some possible embodiments, the remaining power of the second battery is obtained, the power supply switching circuit is controlled to supply power to the voltage stabilizing circuit and the first boosting circuit if the remaining power is smaller than or equal to a first power threshold, the power supply switching circuit is controlled to supply power to the voltage stabilizing circuit and the first boosting circuit if the power energy is larger than the power threshold, the second battery is kept to supply power to the voltage stabilizing circuit and the first boosting circuit, the power supply switching circuit is controlled to supply power to the voltage stabilizing circuit and the first boosting circuit if the remaining power is larger than or equal to a second power threshold, the second power threshold is larger than the first power threshold, and the first battery is kept to supply power to the voltage stabilizing circuit and the first boosting circuit if the power energy is smaller than the second power threshold and larger than the first power threshold.
The second unit further comprises an electric quantity monitoring module, wherein the electric quantity monitoring module is configured to monitor working voltages of the first battery and the second battery so as to output the residual electric quantity of the first battery and the second battery.
Referring to fig. 4, when the battery level of the second battery falls below the first power threshold, the main control module detects this condition, and the threshold is set to a point earlier than before the second battery is fully depleted, to ensure that the system has enough time to switch to the backup power supply. The main control module sends an instruction to the power supply switching circuit to control the main control module to switch the power supply source from the second battery to the first battery, and at the moment, the first battery starts to supply power for the voltage stabilizing circuit and the first voltage boosting circuit.
When the residual energy of the battery of the second battery is sufficient, namely the residual electric quantity is higher than the second electric quantity threshold value, the power supply switching circuit controls the second battery to directly supply power to the voltage stabilizing circuit and the first voltage boosting circuit. As the second battery is rechargeable and has a higher energy density.
When the second battery is charged through the wireless charging interface and the electric quantity of the second battery is recovered to be higher than the second electric quantity threshold value, the main control module can detect the state again. The main control module sends an instruction to the power supply switching circuit to control the main control module to switch the power supply from the first battery back to the second battery, and the system resumes the state of using the rechargeable battery as the main power supply.
In order to improve the defibrillation charging efficiency of the third functional module, the time for charging the high-voltage pulse capacitor by the first voltage generated by the first battery is shortened, meanwhile, the battery capacity of the first battery is consumed as little as possible, the fifth voltage generated by the second battery is periodically adopted to charge the high-voltage pulse capacitor, and the energy of the high-voltage pulse capacitor is charged to be a typical value of 10J. In addition, the ICD capacitance requires periodic capacitor maintenance by charging the capacitor, and the high voltage pulse capacitance may also be charged with the fifth voltage generated by the second battery.
Referring again to fig. 2, in some embodiments, the second unit further includes an impedance monitoring module and a sensing module.
Referring to fig. 5 and 6, the third unit includes a lead interface module including four lead interfaces, which are a first ventricular channel (interface), a second ventricular channel (interface), and a defibrillation channel (interface), respectively.
The impedance monitoring module is connected with the lead interface module through an electrode lead and is configured to monitor the electrode impedance of the electrode lead, judge whether the implantation of the electrode lead is stable or not and assist in judging whether the electrode dislocation occurs or not.
The sensing module is connected with the lead interface module through an electrode lead and is configured to acquire an electric signal of a region to be defibrillated of the electrode lead, convert the electric signal into a digital signal and transmit the digital signal to the main control module, and a sensing threshold judgment circuit is arranged in the sensing module and is configured to generate a logic judgment result and transmit the logic judgment result to the main control module.
The sensing module is used for collecting intracavitary electrocardiosignals of the electrode lead, on one hand, analog electric signals are converted into digital signals and transmitted to the main control module, on the other hand, the perception threshold judging circuit transmits a logic judging result of perception to the main control module, and the main control module collects the electric signals output by the sensing module in real time to serve as a basis for providing various treatments.
Wherein in some embodiments the first and second channels are connected with an impedance monitoring module, a sensing module, a first functional module, a second functional module, a third functional module, and a fourth functional module for connection to electrode leads within the ventricles, e.g., the left ventricle (first subsection) and the right ventricle (second subsection), to monitor electrical activity of the ventricles. For CCM function, the first channel is used to deliver a pulse of electrical stimulation of the regulation of the contractility of the heart, which is released during the absolute refractory period of the heart beat to enhance the contractility of the heart muscle and thus improve the heart function of the heart failure patient. The first and second channels may also be used for ventricular pacing to correct ventricular arrhythmias or to maintain an appropriate ventricular rate.
The third channel is connected to the sensing module and the third functional module for connecting defibrillation electrode leads capable of delivering high energy electrical shocks to terminate arrhythmias such as ventricular fibrillation or ventricular flutter. When these arrhythmias are detected by the ICD, a high-energy shock is delivered through the defibrillation channel to restore the normal rhythm of the heart.
Referring again to fig. 5, in some embodiments, the lead interface module further includes an atrial passageway, i.e., a fourth passageway (interface), that does not affect the operation of the first, second, third, and fourth functional modules. The fourth channel is for connection to an electrode lead within the atrium to monitor electrical activity of the atrium. The fourth channel may also be used for atrial pacing to correct atrial arrhythmias or to maintain an appropriate atrial rate, if desired. The atrial passageway is connected with the impedance detection module, the sensing module and the fourth functional module.
Referring again to fig. 2, in some embodiments, the first unit further includes a communication module, where the communication module may be a bluetooth wireless communication module or a near field wireless communication module, and the bluetooth wireless communication module is a short-range wireless communication technology, so that fast and flexible data exchange between devices can be realized. Near field wireless communication modules, e.g. NFC, i.e. near field communication technology is a short range wireless communication technology for close range data exchange between devices.
The temperature detection module is used for detecting the operating temperature of the defibrillator, and when the operating temperature of the device is monitored, the temperature detection module can adjust the monitoring sampling rate according to different working modes and states. In the process of wireless charging of the device, the temperature of the device may be increased due to conversion of electric energy into heat energy, so that in order to improve the accuracy and timeliness of temperature monitoring, the monitoring sampling rate of the temperature detection module is set to be higher during wireless charging.
The temperature detection can be carried out for more times in shorter time by improving the monitoring sampling rate, and the change trend of the temperature can be captured more quickly. The defibrillator is protected from overheat damage, and the safety and stability of the wireless charging process are ensured. The temperature detection module can also be provided with an intelligent algorithm, and the sampling rate can be dynamically adjusted according to the temperature data monitored in real time. For example, when the temperature rises rapidly or approaches the safety threshold of the device, the sampling rate is automatically increased to more accurately track temperature changes, while when the temperature is relatively stable, the sampling rate may be suitably reduced to save energy and extend the life of the device.
The motion monitoring module is used for tracking and recording the activity level and the posture keeping time of the patient in which the pacemaker is implanted.
The magnetic field detection module is used for monitoring the influence of an external magnetic field on the implantation equipment, and comprises magnetic field change when the small magnet approaches and magnetic field intensity entering a strong magnetic field environment such as an MRI (magnetic resonance imaging) instrument and the like. These magnetic fields interfere with the proper operation of the implanted device and the change in the external magnetic field can be timely monitored and identified by the magnetic field detection module to ensure the safety and effectiveness of the implanted device. When a strong magnetic field is detected, the magnetic field detection module can trigger the buzzing alarm module to remind a patient of being far away from a potential dangerous environment, so that unnecessary risks are reduced.
The buzzing alarm module is an audible alarm device used for emitting alarm sounds under specific conditions, such as that the defibrillator is subjected to a strong magnetic environment, abnormal heart rate of a patient occurs, and the like. The buzzer alarm module can draw the attention of the patient through sound alarm, remind the attention of the current abnormal situation and take corresponding countermeasures.
For the power supply of other components, the second voltage driving current output by the second battery can be used for supplying power to the main control module, the communication module, the temperature detection module, the motion monitoring module, the magnetic field detection module, the buzzer warning module, the impedance monitoring module and the sensing module.
Based on the above-mentioned defibrillator, referring to fig. 7, some embodiments of the present application further provide a defibrillator system, which includes a defibrillator, and a first terminal, a magnet, a charging device, and a programming device connected to the defibrillator, where the first terminal is a dedicated remote follow-up terminal, and is a dedicated terminal with a remote follow-up function, and the device and the defibrillator complete wireless communication at regular time, receive basic information, event statistics, alarm information, and the like of the operation of the defibrillator, and send the basic information, event statistics, alarm information, and the like to a server.
The magnet is used to non-invasively activate certain functions of the defibrillator, such as turning on a communication mode or triggering a test, etc., enhancing the flexibility and convenience of the system.
Since the defibrillator needs to operate in the patient for a long period of time, the charging device provides a non-invasive wireless charging, ensuring that the defibrillator's power supply is uninterrupted, so as to extend the service life of the device and also reduce the number of frequent surgical battery changes.
The programming device allows medical personnel to perform deep telemetry, parameter setting, program modification, control and other operations on the defibrillator through wireless communication. Ensuring that the defibrillator is capable of being individually adjusted to the specific condition and therapeutic needs of the patient.
It will be appreciated that the device further comprises a second terminal, which may be a terminal device with bluetooth technology, for example, a tablet, a mobile phone, etc., and the second terminal is used as a user interface, allowing a patient or a medical staff to connect with the defibrillator via bluetooth technology for simple data viewing or initial setting adjustment.
The defibrillator is connected with the first terminal, the second terminal, the charging device and the programming device through the Bluetooth wireless communication module, and when the programming device operates with certain high precision, the programming device needs higher safety and shorter distance control, so that the defibrillator can also perform wireless communication with external programming equipment through the near-field wireless communication module. By using the near field wireless communication module, the accuracy and the safety of data transmission can be ensured, and potential interference or misoperation can be avoided.
According to the technical scheme, the application provides the power supply device, the defibrillator and the defibrillator system, the defibrillator comprises the power supply device, the charging module, the first functional module, the second functional module, the third functional module and the lead interface module, the heart contraction force adjusting treatment pulse can be provided through the cooperation of the first functional module, the second functional module and the third functional module so as to achieve the defibrillation function and simultaneously achieve the heart contraction force adjusting treatment function, and the dual-battery power supply module of the power supply device can supply power and charge for the functional modules so as to solve the problem that the ICD integrating the CCM function is limited in performance or shortened in service life in application.
The above-provided detailed description is merely a few examples under the general inventive concept and does not limit the scope of the present application. Any other embodiments which are extended according to the solution of the application without inventive effort fall within the scope of protection of the application for a person skilled in the art.
Claims (10)
1. A power supply device, characterized by comprising:
The double-battery power supply module comprises a first battery and a second battery, wherein the first battery outputs a first voltage, the second battery outputs a second voltage, and a charging interface is arranged on the second battery;
the power supply switching circuit is characterized in that a first end of the power supply switching circuit is connected with the first battery and the second battery, a second end of the power supply switching circuit is connected with the voltage stabilizing circuit, a third end of the power supply switching circuit is connected with the first voltage boosting circuit so as to output a third voltage through the voltage stabilizing circuit, and a fourth voltage is output through the first voltage boosting circuit;
and the second boost circuit is connected with the second battery to output a fifth voltage.
2. A defibrillator-type of a medical device for the treatment of a patient, characterized by comprising the following steps:
a first unit including the power supply device of claim 1;
A charging module configured to charge a second battery of the power supply device;
A second unit including:
a first functional module configured to transmit a bi-directional pulse according to the region to be defibrillated;
a second functional module configured to transmit electrical pulses and fixed frequency pulses according to the region to be defibrillated;
a third functional module configured to deliver defibrillation pulses according to the region to be defibrillated;
a fourth functional module configured to transmit an electrical pulse in accordance with the region to be defibrillated;
the power supply device is configured to supply electric energy to the first functional module, the second functional module, the third functional module and the fourth functional module;
A third unit including:
A lead interface module configured to be connected to an electrode lead of a region to be defibrillated, the first, second, third, and fourth functional modules being connected to the lead interface module;
The main control module is connected with the first unit and the second unit and is configured to receive acquired data of the first unit and the second unit and generate an instruction according to the acquired data.
3. The defibrillator of claim 2 wherein the first functional module comprises a first energy storage capacitor and a first set of charge-discharge switches, the second functional module comprises a second energy storage capacitor and a second set of charge-discharge switches, and the third functional module comprises a third energy storage capacitor and a third set of charge-discharge switches;
The first voltage is used for driving current to charge the third energy storage capacitor, the third voltage is used for driving current to supply power for the third charge-discharge switch group, the fourth voltage is used for driving current to supply power for the first charge-discharge switch group and the second charge-discharge switch group, the fifth voltage is used for driving current to charge the first charge-discharge switch group and the second charge-discharge switch group, and the third energy storage capacitor is charged in a fixed time.
4. The defibrillator of claim 3, wherein the master control module is configured to:
obtaining the residual electric quantity of the second battery;
If the residual electric quantity is smaller than or equal to a first electric quantity threshold value, controlling a power supply switching circuit, and controlling the power supply switching circuit to enable a first battery to supply power for the voltage stabilizing circuit and the first voltage boosting circuit;
If the electric quantity energy is larger than an electric quantity threshold value, the second battery is kept to supply power for the voltage stabilizing circuit and the first voltage boosting circuit;
if the residual electric quantity is larger than or equal to a second electric quantity threshold value, controlling a power supply switching circuit, and controlling the power supply switching circuit to enable the second battery to supply power for the voltage stabilizing circuit and the first voltage boosting circuit, wherein the second electric quantity threshold value is larger than the first electric quantity threshold value;
And if the electric quantity energy is smaller than a second electric quantity threshold value and larger than the first electric quantity threshold value, the first battery is kept to supply power for the voltage stabilizing circuit and the first voltage boosting circuit.
5. The defibrillator of claim 2 wherein the second unit further comprises:
an impedance monitoring module connected to the lead interface module through an electrode lead configured to monitor an electrode impedance of the electrode lead;
the sensing module is connected with the lead interface module through an electrode lead and is configured to acquire an electric signal of a region to be defibrillated of the electrode lead, convert the electric signal into a digital signal and transmit the digital signal to the main control module;
A sensing threshold judging circuit is arranged in the sensing module and is configured to generate a logic judging result and transmit the logic judging result to the main control module;
And the electric quantity monitoring module is configured to monitor the working voltages of the first battery and the second battery so as to output the residual electric quantity of the first battery and the second battery.
6. The defibrillator of claim 5 wherein the lead interface module comprises at least a first interface, a second interface, and a third interface;
The first interface is used for connecting a first subsection of the region to be defibrillated, and the second interface is used for connecting a second subsection of the region to be defibrillated; the first interface and the second interface are connected with the impedance monitoring module, the sensing module, the first functional module, the second functional module, the third functional module and the fourth functional module;
The third interface is connected with the sensing module and the third functional module and is used for connecting electrode wires of the third functional module.
7. The defibrillator of claim 6, wherein the lead interface module further comprises a fourth interface for connecting a third sub-portion of the region to be defibrillated, the fourth interface being connected with the impedance monitoring module, sensing module, and fourth functional module.
8. The defibrillator of claim 7 wherein the first unit further comprises:
A communication module configured to communicate with the outside;
A temperature detection module configured to detect an operating temperature of the defibrillator;
a motion monitoring module configured to monitor an activity level of a carrier of the region to be defibrillated and a posture retention time;
a magnetic field detection module configured to monitor a magnetic field;
and the buzzer alarm module is configured to emit alarm sound when the defibrillator is in a strong magnetic environment and/or the jumping frequency of the area to be defibrillated is greater than or equal to a frequency threshold value.
9. The defibrillator of claim 8, wherein the second voltage is used to drive current to power the main control module, the communication module, the temperature detection module, the motion monitoring module, the magnetic field detection module, the beeping alert module, the impedance monitoring module, and the sensing module.
10. A defibrillator system comprising the defibrillator of any one of claims 2-9, and a first terminal, a magnet, a charging device, and a programming device coupled to the defibrillator;
The first terminal is configured to wirelessly communicate with the defibrillator and collect the received data of the main control module;
the magnet is configured to activate a function of the defibrillator;
The charging device is configured to charge a charging module;
The programming means is configured to adjust parameters of the defibrillator.
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