166 results about "Defibrillation" patented technology

A blood pump system includes a catheter, a pump housing disposed distal of a distal end of the catheter, a rotor positioned at least partially in the pump housing, a controller, and an electrode coupled a distal region of the blood pump. The electrode can be used to sense electrocardiogram (EKG) signals and transmit the signals to a controller of the blood pump. The operation of the blood pump can be adjusted based on the EKG signal and on cardiac parameters derived from the EKG signal. Further, the controller can determine a need for defibrillation or pacing of the patient's heart based on the signal and can administer treatment with electrical shocks to the heart via the electrode coupled to the blood pump. The use of an electrode with a blood pump already in place in the heart allows for more efficient and safer treatment of serious cardiac conditions.

The invention belongs to the technical field of cardiac defibrillators, and discloses a portable child cardiac first-aid defibrillator. Comprising a shell, a flip cover is installed on the top of the shell, a plug and a pair of electrode plates are placed in an inner cavity of the shell, the device further comprises a protection mechanism, and the protection mechanism is connected to the inner cavity of the shell. When the cover is opened, the push-pull rod pulls and rotates the limiting sleeve by a certain angle, so that the opening of the limiting sleeve is inclined upwards, the extrusion rod always keeps contact with the groove wall, applies radial pressure and shrinks towards the inner cavity of the limiting sleeve, and finally, the pair of arc-edge blocks rotates towards one side far away from the electrode plate, so that the limitation of the arc-edge blocks on the electrode plate is relieved; limiting removal and oblique positioning of the electrode plates enable rescue personnel to quickly take down a pair of electrode plates after the cover is opened to perform cardiac defibrillation operation, and the first-aid efficiency is effectively improved.

The invention belongs to the technical field of cardiovascular diseases, and discloses a booster circuit applied to an implantable cardioverter defibrillator, and the circuit system is composed of a BOOST booster circuit, a charge pump voltage doubling circuit, a high-voltage feedback and control circuit, and a high-voltage energy storage capacitor. According to the invention, the boost circuit is integrated with BOOST and charge pump voltage doubling technologies, and a switching device is accurately controlled through PWM, so that the input DC voltage can be greatly improved; the BOOST circuit lays a foundation for boosting, the charge pump voltage doubling circuit achieves secondary multiplication on the BOOST circuit, the voltage is increased by n + 1 times, n can be flexibly set according to a unit structure, the high-voltage feedback and control circuit monitors the voltage of an energy storage capacitor in real time, boosting starting and stopping are automatically controlled by comparing Vhv with Vref, it is ensured that the output voltage is accurate and stable, and the output voltage is stable. By means of the combination, the large step-up ratio is achieved, the step-up amplitude can be flexibly adjusted according to actual requirements, reliable high-voltage energy is provided for the ICD, and the strict requirements of defibrillation for high voltage and high energy are met.

Systems, devices, and methods provide up-to-date defibrillation shock recommendations. In an example method, multiple segments of an electrocardiogram (ECG) of an individual are detected from an individual receiving chest compressions. The multiple segments are evaluated to determine whether the individual is exhibiting a shockable heart rhythm. A medical device outputs a recommendation indicating whether a defibrillation shock is advised based on the most recent determination of the individual's heart rhythm. For example, the medical device outputs an up-to-date recommendation on-demand in response to an input signal from a user. In some examples, the medical device updates the recommendation based on ongoing analysis of the ECG.

1. The name of the design product: first-aid kit. 2. The use of the design product: The design product is used for cardiopulmonary resuscitation and / or defibrillation operation on patients. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The cardio-cerebral resuscitation rescue device comprises a base, a guide assembly is arranged on the base, the guide assembly comprises a pair of sliding grooves symmetrically formed in the base, the bottom ends of the two sliding grooves are each provided with a movable base in a sliding and clamping mode, side grooves are formed in the two sides of the base respectively, and the depth of the side grooves is equal to the thickness of the movable bases; a fixed plate connected through a telescopic rod is arranged on the movable seat, a guide plate is arranged at one end of the fixed plate, a positioning plate is slidably clamped on the guide plate, a distance fixing device is rotationally connected to the positioning plate, and ray light sources are arranged at the free end of the distance fixing device and the bottom end of the positioning plate; the guiding assembly arranged in the external defibrillation device can guide non-professional personnel to place patches, so that the device can quickly help a rescuer to arrange the patches when external defibrillation needs to be carried out on a patient, the arrangement efficiency and effect of the external defibrillation device are improved, and then the probability of successful rescue is improved.

Methods and implantable medical devices are provided that include a lead configured to be operably coupled to a pulse generator and subcutaneously implanted within a patient. The lead includes an electrode configured to receive electrical power from the pulse generator and to deliver high-voltage shocks for defibrillation therapy. The electrode has an oblong cross-sectional shape with a major dimension that is at least 10 French (F).

A non-invasive, wearable, ambulatory device capable of cardiac defibrillation includes a plurality of ECG electrodes and a plurality of therapy electrodes. A smart garment is configured to be worn around a torso of the patient. The smart garment includes a first fabric portion and a multiaxially expandable fabric portion coupled with the first fabric portion. The multiaxially expandable fabric portion is configured to expand along a first axis as the multiaxially expandable fabric portion expands along a second axis. The plurality of ECG electrodes are coupled with the multiaxially expandable portion, the first fabric portion, or both the multiaxially expandable fabric portion and the first fabric portion. The smart garment is configured to maintain continuous electrical contact between the plurality of ECG electrodes and skin of the patient while the smart garment is worn about the torso of the patient.

Methods, systems, and apparatuses are described for automated external defibrillation for determining shock / no-shock decisions based on ECG readings taken when a patient is undergoing cardiopulmonary resuscitation (CPR). A device may filter an ECG signal of a patient to reduce artifacts from the signal caused by CPR being performed on the patient. The device may use the filtered ECG signal to determine whether to deliver a therapeutic shock to a patient even if the patient is undergoing CPR.

This invention belongs to the field of defibrillation technology and provides an adaptive synchronized defibrillator and defibrillation method for different abnormal heart rhythms, solving the current problem of not being able to achieve adaptive synchronized defibrillation for different abnormal heart rhythms. The system includes a control module, a charging circuit, an energy storage capacitor, a high-voltage detection circuit, a discharge circuit, and a wave detection circuit. The control module controls whether to activate the R-wave detection module, drive circuit, charging circuit, high-voltage detection circuit, and discharge circuit based on different ECG classification results. By comprehensively utilizing the advantages of software and hardware defibrillation, adaptive synchronized defibrillation can be achieved for various abnormal heart rhythms, exhibiting high efficiency, low latency, and high-quality defibrillation performance.

This invention discloses a timing device that integrates multiple emergency operation buttons and generates structured medical records in real time, belonging to the field of emergency medical technology. It includes an intelligent terminal recording module, a data integration and communication module, and an intelligent processing and output module. These three modules work together to achieve real-time recording of emergency operations, integrated data transmission, and automatic generation of structured medical records. The intelligent terminal recording module is a dedicated emergency recording terminal equipped with a timing chip and a multi-touch screen. The touch screen interface is dynamically designed according to the ACLS / BLS resuscitation process and features one-button recording for various emergency operations such as chest compressions, bag ventilation, defibrillation, heart rhythm analysis, and adrenaline administration. The timing chip provides millisecond-level timestamps for emergency operation records, enabling precise binding of operation content to the time of occurrence. This significantly reduces the need for clinical manpower, eliminating the need for a dedicated recording nurse through an "operation-as-record" model, and also eliminating the need for manual re-entry of medical documents after resuscitation.

The invention discloses a wearable cardiac defibrillation device, and belongs to the technical field of medical instruments, and the wearable cardiac defibrillation device comprises a splicing straight plate I. By arranging an unfolding unit and a limiting unit, a square waistband can be quickly assembled conveniently, and the modular design not only saves the assembly time, but also facilitates the storage and carrying of the device; the stability after assembly is ensured through a limiting unit and a locking spring, looseness is prevented in the using process, the reliability and practicability of the device are further improved, when fatal arrhythmia is detected, the air bag storage box can be rapidly unfolded and wrap a patient so as to reduce falling injury, and the safety of the patient is improved. Meanwhile, the inflatable supporting hose provides additional protection for the device, safety in the using process is guaranteed, the square waistband can be stably installed on the body of a user through the auxiliary unit, the position of the fixing block can only be adjusted in one direction, it is guaranteed that the square waistband cannot be accidentally loosened after attachment, and the self-adaptive fixing mode guarantees the stability and comfort of wearing.

1. The name of the design product: portable first-aid equipment. 2. The use of the design product: for treating and monitoring vital signs of patients, such as respiratory support, infusion, injection, intravenous anesthesia, defibrillation support, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application discloses an emergency monitoring system and method integrating vital sign monitoring and automatic defibrillation applied to the field of medical devices, which first fuses three vital sign data of heart rate, blood pressure and blood sugar with AED heart rhythm analysis data, reduces single data misjudgment rate through an AI algorithm, realizes accurate prediction of high risk of cardiac arrest, realizes whole-process automation of'monitoring-prediction-defibrillation-help', compresses the golden 4-minute rescue time to 1-2 minutes, and greatly improves the survival rate of cardiac arrest patients; voice guidance+one-key SOS operation, non-professionals can quickly complete first aid, and the risk of operation failure is avoided; a multi-vital sign fusion algorithm is combined with AI technology, single data misjudgment rate is reduced, and high risk of cardiac arrest is predicted in advance; data is synchronously transmitted to a 120 dispatch center through a whole-link, patient information and position are acquired in advance, and the response time of first aid personnel is shortened; automatic self-checking and double power supply mode ensure that the equipment is available all day long, and equipment failure, loss and other problems are avoided.

To track probes during intracardiac procedures.SOLUTION: A method includes: computing a position of an intrabody probe, which includes one or more electrodes and an electromagnetic sensor, within a heart of a subject, based on an induced signal received from the electromagnetic sensor; ascertaining a set of properties of signals passed between the electrodes and multiple reference electrodes located at respective reference positions; based on the set of properties, deriving an estimated position of the probe from a position map that maps multiple sets of properties to respective estimated positions; in response to a distance between the computed position and the estimated position being greater than a predefined threshold, ascertaining whether an electrocardiographic signal from the subject is saturated; and, in response to the electrocardiographic signal not being saturated, updating the position map so as to map the set of properties to the computed position. Other embodiments are also described.SELECTED DRAWING: Figure 1

The present invention provides a pharmacological wearable cardioverter defibrillation system for conducting cough assisted pharmacological cardioverter defibrillation during onset of a sudden arrhythmia. The system comprises a WCD defibrillator worn by the patient, a drug mix contained either in a reservoir / pump or in an inhaler, and a miniature monitor. The drug mix in the reservoir / pump is equipped with a pump for pumping the drug mix via an indwelling catheter to the coronary sinus while the drug mix in the inhaler is inhaled directly to the lungs. When a sudden arrhythmia is detected by a sensing electrode of WCD, the following steps are carried out: prompting the patient to take the drug mix, prompting the patient to start forceful coughing, and delivering electric shock(s) under either one of the two circumstances that the patient is unable to start coughing or the arrhythmia is not terminated.

The invention relates to the technical field of medical instruments, in particular to a control method, device and equipment for defibrillation equipment and a medium, based on a preset cardiopulmonary resuscitation circulation mode, a ventilation stage in next cardiopulmonary resuscitation circulation is determined as a ventilation control window, and based on a window control instruction triggered by the ventilation control window, the defibrillation equipment is controlled. And executing the time limit heart rhythm task and the capacitor charging task, judging whether a preset discharging condition is met or not according to a monitored first completion state of the time limit heart rhythm task and a monitored second completion state of the capacitor charging task, and if the preset discharging condition is met, controlling the defibrillation equipment to perform electric shock within preset discharging time. Visibly, whether the preset discharge condition is met or not is determined according to the monitored first completion state of the time limit heart rhythm task and the monitored second completion state of the capacitor charging task, then the defibrillation device is controlled to conduct electric shock within the preset discharge time, accurate cooperative control over the whole cardio-pulmonary resuscitation process is achieved, and the cardio-pulmonary resuscitation efficiency is improved. The compression break time is compressed to a very low level.

The invention discloses a portable card type AED device which comprises a device body, the thickness of the device body is smaller than 5 mm, the weight of the device body is smaller than 70 g, and the device body comprises an outer layer, a middle layer, a core layer and a bottom layer which are sequentially laminated and integrated from top to bottom. A transparent flexible solar cell and a hydrophobic nano coating are integrated on the surface of the outer layer, the middle layer is an energy storage unit, and the core layer comprises a pair of pre-folded disposable electrocardio defibrillation electrode plates; a micro control module is integrated on the bottom layer to analyze heart rhythm types in real time and intelligently judge and trigger the high-voltage discharge circuit to execute defibrillation operation. Compared with the prior art, the portable card type AED device and the using method thereof have the advantages that the portable card type AED device is small in size and has the self-power-supply capacity.

The invention provides a multifunctional automatic maritime single sick and wounded transferring device and method, and relates to the technical field of maritime rescue, the multifunctional automatic maritime single sick and wounded transferring device comprises a hovercraft body, a middle-layer plate is fixed to the top of the hovercraft body, and a central controller, a cardio-pulmonary resuscitator, a defibrillation monitor, a mechanical ventilator, a pressurization infusion apparatus and a lithium battery are fixed in the middle-layer plate; a first plate body is fixed to one end of the top of the middle-layer plate, and a second plate body is hinged to one end of the first plate body. According to the device, the central controller is set according to the position needing to be transported, then the hovercraft body and the wounded person are moved to the sea surface from the ship, fan blades are driven by a servo motor to rotate, wind power is generated to push the hovercraft body to move, an electric telescopic rod stretches out and draws back, a conveying rod is driven to move, and then a rotating shaft is driven to rotate by a certain angle; the moving direction of the hovercraft body is controlled by changing the direction of the fan blades, and the hovercraft body is navigated to a designated place, so that the effect of quickly and automatically transporting the wounded can be achieved.

The invention belongs to the technical field of defibrillators, and discloses a wearable external defibrillator and a control method, a defibrillation electrode comprises an electrode base and a detachable long-acting defibrillation electrode slice, and the one-time pasting use time of the electrode slice is 7-15 days. Wherein the integrated host is used for mounting an LL defibrillation electrode slice by virtue of a base; a detachable RA defibrillation electrode plate is hung on the RA defibrillation electrode base; and the RA defibrillation electrode base is connected to the integrated host through the RA defibrillation electrode cable. The LL defibrillation electrode and the RA defibrillation electrode are both provided with a plurality of sub-electrode units, and each sub-electrode unit is composed of a metal female buckle fixed to the base, a metal male buckle fixed to the electrode slice and conductive gel. The integrated host collects electrocardio and vital sign parameters of a wearer in real time through the LL defibrillation electrode and the RA defibrillation electrode, monitors whether sudden cardiac arrest happens to a patient or not, and conducts defibrillation discharge treatment on the wearer through the LL defibrillation electrode and the RA defibrillation electrode when it is confirmed that sudden cardiac arrest happens.

The invention relates to the technical field of medical instruments, in particular to a portable automatic cardio-pulmonary resuscitation defibrillator, and aims to solve the problem that an existing anesthesia intubation auxiliary device cannot perform external chest compression on a patient before and after defibrillation. The collaborative assembly is used for conducting external chest compression on the patient before and after defibrillation, and the collaborative assembly comprises a telescopic part which conducts external chest compression on the patient through reciprocating stretching and retracting; the pressing assembly is slidably sleeved with the telescopic part; the adjusting assembly is movably arranged in the pressing assembly and used for adjusting the contact area between the pressing assembly and the patient; the chest of a patient can be stably pressed before and after defibrillation by arranging the pressing assembly, meanwhile, the pressing contact area is adjusted through the adjusting assembly, damage to local tissue of the chest wall of the patient is reduced, the pressing depth and force act on the chest more uniformly, and the cardio-pulmonary resuscitation efficiency is improved.

The application relates to the technical field of intelligent medical treatment, in particular to a defibrillation energy determination method and device, equipment and a medium. The method comprises the following steps: acquiring collection information of a patient and electrocardiogram data of a collection device, inputting the electrocardiogram data into a preset classification model to perform abnormal classification, obtaining a classification result of the electrocardiogram data, if the classification result is abnormal, extracting face image information and body contour image from the collection information, inputting the face image information and the body contour image into a preset estimation model to perform analysis, determining heart rate data and blood oxygen data of the patient, inputting physiological characteristic data, the heart rate data and the blood oxygen data into a preset inference model to perform analysis, obtaining an energy output value, acquiring a preset safety threshold, if the physiological characteristic data, the heart rate data and the blood oxygen data are within the preset safety threshold, taking the energy output value as the defibrillation energy. Thus, the body information of the patient is comprehensively collected, so that the defibrillation energy value can be accurately determined.

A non-invasive, wearable, ambulatory device capable of cardiac defibrillation includes a smart garment to be worn by a patient. The device also includes a plurality of therapeutic electrodes configured to be removably attached to the garment. A plurality of polymer-based ECG sensing electrodes are configured to provide ECG signals based on skin electrical activity of the patient wearing the smart garment. Polymer-based ECG sensing electrodes are formed by applying a conductive polymer fluid to each of a plurality of base fibers to form a plurality of individually conductive polymer coated fibers. The base fibers are single fibers and / or multi-fibers. The plurality of individually conductive polymer coated fibers are assembled into the one or more plurality of polymer-based ECG sensing electrodes. A controller is configured to receive the ECG signals, determine at least one arrhythmia episode based on the received ECG signals, and to cause a defibrillation shock.

The utility model relates to a storage device for a defibrillator, which comprises a defibrillator body, two electrode plates are arranged on the defibrillator body, a handle is mounted on the upper surface of the defibrillator body, a fixing plate is mounted on the outer side of the handle through a fixing mechanism, and an L-shaped plate is mounted at the end of the fixing plate through a moving mechanism. A positioning pipe and a conical pipe are respectively mounted on the outer surface of the L-shaped plate from top to bottom, and conductive paste bottles are arranged in the positioning pipe and the conical pipe; an electric push rod is installed on the outer surface of the L-shaped plate, a pressing plate is installed at the telescopic end of the electric push rod, and a connecting plate is connected between the positioning pipe and the conical pipe. Through the arrangement of the fixing mechanism, the conductive paste bottle and the defibrillator body can be carried together, so that the situation that the conductive paste bottle is forgotten to be carried in the transferring process, and electric defibrillation needs to be used when the illness state of a patient changes in the transferring process is avoided, conductive paste can be rapidly smeared on an electrode plate, electric defibrillation is carried out on the patient, and the working efficiency is improved. The rescue success rate is improved.

A double defibrillation system employs a base defibrillator (40) and a relay defibrillator (50). In operation, the base defibrillator (40) conditionally initiates a delivery of a primary defibrillation shock to a patient when the base defibrillator (40) is electrically coupled to the patient, and the relay defibrillator (50) responsively initiates a delivery of a supplemental defibrillation shock to the patient when the relay defibrillator (50) is electrically coupled to the patient and in response to a receipt by the relay defibrillator (50) of a trigger signal indicative of one of a preset initiation of the delivery of the primary defibrillation shock to the patient by the base defibrillator (40) or a preceding initiation of the delivery of the primary defibrillation shock to the patient by the base defibrillator (40).

The utility model discloses a valve stent and a valve replacement system, the valve stent comprises an outer stent, the outer stent comprises an atrial stent and a ventricular stent, and the ventricular stent is connected below the atrial stent; the atrial electrode is arranged on the atrial stent, and the atrial electrode is suitable for ablation of nerves in the atrium when powered on; the ventricular electrode is arranged on the ventricular stent, and the ventricular electrode is suitable for ablation of nerves in the ventricular when powered on. Therefore, due to the arrangement of the central atrial electrode and the ventricular electrode of the valve stent, the atrial nerves of a patient can be ablated through the electrified atrial electrode, and the atrium can be timely and effectively defibrillated. Meanwhile, the ventricular nerves of the patient can be ablated through the electrified ventricular electrode, and ventricular defibrillation can be effectively performed in time, so that the ablation efficiency can be improved, and the life safety of the patient can be effectively guaranteed.

This invention belongs to the field of cardiac defibrillator technology and discloses a portable pediatric cardiac emergency defibrillator. It includes a housing with a flip-top cover. A plug and electrode pads are respectively placed inside the housing cavity. A pair of electrode pads are provided. It also includes a protective mechanism connected to the inner cavity of the housing. This invention facilitates the rapid removal of the electrode pads through the cooperation of a squeezing rod and a push-pull rod. When the cover is opened, the push-pull rod pulls the limiting sleeve, rotating it at a certain angle so that the opening of the limiting sleeve is tilted upwards. The squeezing rod remains in contact with the groove wall and applies radial pressure, contracting towards the inner cavity of the limiting sleeve. Ultimately, this causes a pair of arc-shaped blocks to rotate away from the electrode pads, releasing the arc-shaped blocks from restricting the electrode pads. The release of the limiting blocks and the oblique positioning of the electrode pads allow rescuers to quickly remove a pair of electrode pads after opening the cover for cardiac defibrillation, effectively improving emergency rescue efficiency.

The invention discloses a first-aid device integrating cardio-pulmonary resuscitation and automatic defibrillation functions, the first-aid device comprises a shell, a defibrillation assembly and a cardio-pulmonary resuscitation mechanism, the defibrillation assembly is arranged in the shell, and the defibrillation assembly is used for defibrillating a patient; the cardiopulmonary resuscitation mechanism is movably placed in the shell and selectively bound to the chest of the patient to conduct cardiopulmonary resuscitation treatment. The first-aid device integrates the defibrillation assembly and the cardio-pulmonary resuscitation mechanism, the defibrillation assembly and the cardio-pulmonary resuscitation mechanism can be coordinated to work, time sequence cooperation of cardio-pulmonary resuscitation and external defibrillation is achieved, and the patient rescue success rate can be greatly increased.

The invention relates to a device for assisting a first aider with a cardiopulmonary resuscitation of a person suffering cardiac arrest, comprising a transport housing (1), in which a sensor apparatus (4) and two adhesive electrodes (2), which are or can be connected to the sensor apparatus (4), can be stowed. The sensor apparatus (4) allows data to be acquired while the first-aid measures for resuscitation are performed. The sensor apparatus (4) comprises an adhesive (5) for attachment to the chest of the patient (3). The chest compressions, i.e. depth of compression and compression frequency, can be detected by means of a motion sensor. An interface for data transfer allows wireless communication with a mobile terminal (6). Furthermore, the sensor apparatus (4) contains a high-voltage store so that, after connection to the adhesive electrodes (2), a single defibrillation shock can be delivered.