263 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 discloses a rapid identification method applied to defibrillation requirements of an AED device, and belongs to the technical field of medical equipment. According to the method, multiple links including acquisition, preprocessing, feature extraction, mode classification, real-time classification and defibrillation triggering work cooperatively, and advanced signal classification and mode recognition technologies are introduced, so that efficient and accurate electrocardiosignal analysis is realized in the AED device, the response speed and accuracy in the emergency treatment process are remarkably improved, and the emergency treatment efficiency is improved. Multi-dimensional features of electrocardiosignals are extracted and input into a pattern classification model, automatic recognition of arrhythmia is achieved, whether defibrillation operation needs to be carried out or not can be accurately judged, the possibility of misjudgment is reduced, self-optimization can be carried out according to new electrocardiosignal data through a dynamic learning and retraining mechanism, and the accuracy of defibrillation is improved. The adaptive capacity to a complex heart rhythm mode is improved, the first-aid response time is effectively shortened, the safety of a patient is guaranteed, and the first-aid efficiency and the treatment effect are improved.

According to one embodiment of the present invention, a method for correcting for loss of a chest compression depth of a patient includes a) setting a value of a chest compression start position of the patient to start chest compression of the patient with a lower end of a piston positioned above a chest of the patient, and then expanding or contracting the piston so that the lower end of the piston moves to the chest compression start position according to the value of the chest compression start position of the patient, by a control unit, b) applying a value of an initial chest compression depth which is a movement length value of the piston from the chest compression start position of the patient toward an upper side of a base plate supporting a back of the patient and a threshold value of the chest compression depth to expand and contract the piston so that chest compression is performed, and detecting a change in a shape of the chest of the patient during chest compression to update the chest compression start position of the patient, by the control unit, c) comparing and determining a value obtained by adding a separation distance between a cap fastened to the lower end of the piston and the chest of the patient and the value of the initial chest compression depth and the threshold value of the chest compression depth, by the control unit, and d) expanding and contracting the piston so that the cap reciprocates according to the value of the initial or updated chest compression depth to perform the chest compression by the cap.

The multifunctional cardio-pulmonary resuscitation machine equipment comprises a first-aid box body, a pressing device, a ventilation device, a monitoring device, a defibrillation device and a control device, the pressing device, the ventilation device, the monitoring device, the defibrillation device and the control device are installed on the first-aid box body, an arc-shaped pillow opening is concavely formed in the upper end face of the first-aid box body, and the first-aid box body is wrapped with a protective pad; a waistband is oppositely pulled between the two side edges of the inner side face of the protective pad, and the pressing device and the defibrillation device are integrated and arranged on the waistband in a sleeving mode. The ventilation device comprises an oxygen generation pump, an oxygen mask and an air delivery pipe which are integrated in the first-aid kit body, and an output port of the oxygen generation pump penetrates through the first-aid kit body and is connected with the oxygen mask; the monitoring device comprises two groups of sensors and connected signal lines, the control device comprises a panel mounted on one side of the first-aid kit body, and physiological parameters are displayed on the panel in real time; according to the cardiopulmonary resuscitation first-aid kit, the operation complexity of medical staff in the cardiopulmonary resuscitation process is simplified, and high efficiency of cardiopulmonary resuscitation rescue is achieved.

The invention belongs to the technical field of medical equipment, and provides an intelligent recognition system of a defibrillator, which comprises an electrocardiogram acquisition module, a data analysis and processing module, an alarm module, a defibrillation treatment module and a user interaction interface, according to the system, through an automatic process, from collection and analysis of electrocardiogram signals to alarm and defibrillation treatment, response time is greatly shortened, precious treatment time is gained for patients, meanwhile, recognition is conducted by means of a built-in intelligent algorithm, misjudgment caused by human factors is reduced, and diagnosis accuracy and efficiency are improved.

The invention provides a coronary heart disease first-aid device, and relates to the technical field of medical instruments. When the coronary heart disease first-aid device works and needs to be used, the telescopic expansion assembly is started, a first hydraulic push rod on one side of the bottom of the supporting base is started, the output end of the first hydraulic push rod pushes a first connecting block to move, the first connecting block drives a first supporting block on the top to move, and then the first supporting block moves; a first rotating rod rotationally connected with a first supporting block rotates along with the first supporting block to push an expansion plate to be unfolded, meanwhile, a first fixing block slides on a second limiting block to play a role in guiding and limiting, and it is ensured that the expansion plate is stably unfolded, the first-aid assembly is used for first aid, and a patient is fixed to the supporting seat through a first bandage and a second bandage; the electrode plates collect physiological data or discharge defibrillation for emergency treatment, the display screen displays related information, and the control button can be operated and controlled to meet the emergency treatment requirement of a patient.

A non-invasive wearable ambulatory cardiac defibrillator configured to improve therapy electrode contact with a patient's skin is provided. The defibrillator device includes a garment configured to be worn around the patient's torso, a sensing electrode attached to the garment and configured to sense electrical signal(s) at the surface of the patient's skin indicative of electrical activity of the patient's heart, and therapy electrodes attached to the garment and configured to deliver one or more defibrillation pulses to the patient. The therapy electrodes include at least two posterior therapy electrodes configured to be disposed on a posterior portion of the patient's body. The device further includes at least one strap attached to a back portion of the garment and exerting a normal force on the posterior therapy electrodes to exert a substantially uniform normal force over the surfaces of the posterior therapy electrodes and / or limit displacement of the posterior therapy electrodes.

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.

1. The name of the product of this design: external defibrillator monitor. 2. Application of the product with this design: Suitable for manual external defibrillation, semi-automatic external defibrillator (AED defibrillation), synchronized cardioversion, non-invasive pacing therapy, as well as electrocardiogram (ECG), impedance respiration (RESP), pulse oxygen saturation (SpO2), pulse rate (PR), non-invasive blood pressure (NIBP), end-tidal carbon dioxide (EtCO2), invasive blood pressure (IBP), and body temperature (TEMP) monitoring. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

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.

A system for assisting a rescuer in providing cardiopulmonary resuscitation (CPR) chest compressions includes a motion sensor configured to generate motion sensor signals indicative of chest motion and a defibrillator. The defibrillator includes a processor and a display screen configured to provide CPR feedback and defibrillation information. The processor is configured to receive the motion sensor signals, analyze the motion sensor signals for features characteristic of a chest compression delivery type to distinguish between chest compression delivery types comprising manual compression, non-automated ACD, and automated ACD, and selectively provide the CPR feedback at the display screen based on an identification of the chest compression delivery type such that the CPR feedback includes a plurality of CPR parameters for the manual compression delivery type and remove at least portions of the CPR parameters from the display screen for the non-automated ACD and the automated ACD compression delivery types.

The utility model relates to the technical field of medical equipment, in particular to a cardiopulmonary resuscitation machine with a defibrillation function, which comprises a main control board, a defibrillation control board and a cardiopulmonary resuscitation control board, the main control board is respectively connected with the defibrillation control board and the cardiopulmonary resuscitation control board, and the main control board is used for sending defibrillation control signals to the defibrillation control board. The defibrillation control board is connected with the defibrillation device and used for controlling the defibrillation device to operate according to the defibrillation control signal, the cardio-pulmonary resuscitation board is connected with the cardio-pulmonary resuscitation device, and the cardio-pulmonary resuscitation control board is used for controlling the cardio-pulmonary resuscitation device to operate according to the cardio-pulmonary resuscitation control signal. The cardio-pulmonary resuscitation device and the defibrillation device are respectively controlled through hierarchical control, the running speed of the all-in-one machine is improved, the technical effect that one device has two using functions is achieved, the time for switching the devices is saved, and the rescue efficiency is improved.

A non-invasive wearable ambulatory cardiac defibrillator configured to stabilize forces on one or more electrodes on the patient's skin is provided. The device includes a garment configured to be worn around a torso of a patient, a sensing electrode configured to sense electrical signals at the surface of the patient's skin indicative of electrical activity of the patient's heart, a therapy electrode configured to deliver defibrillation pulses to the patient, and a controller in communication with the sensing and therapy electrode. The controller is configured to receive the signals from the sensing electrode and to cause delivery of the defibrillation pulses from the therapy electrode based on the controller detecting a cardiac arrhythmia in the received electrical signals. The garment includes a main garment portion configured to engage the torso of the patient, an isolation zone material disposed within the main garment portion and to which the sensing electrode is attached, and a movement absorption region connecting the main garment portion to the isolation zone material.

The invention discloses a cardio-pulmonary resuscitation auxiliary device, a defibrillation device and a defibrillation system. The cardio-pulmonary resuscitation auxiliary device comprises a shell assembly, a support, at least one force sensor and a circuit board assembly. The support is arranged in the shell assembly, the support comprises a first side facing a rescuer and a second side facing a patient, the support is provided with a circuit board installation part and a protection part, and the circuit board installation part is provided with an opening facing the second side. The force sensor is connected to the first side, facing a rescuer, of the support. The circuit board assembly is installed on the circuit board installation part through the opening and comprises a calculation device, a transmission device and at least one acceleration sensor, the acceleration sensor is used for monitoring the acceleration value of the rescuer in the pressing process, and the protection part is used for reducing the pressing force borne by the circuit board assembly. The force sensor is electrically connected with the circuit board assembly, the calculation device is used for converting signals monitored by the force sensor and the acceleration sensor into pressing parameter signals, and the transmission device is used for outputting the pressing parameter signals.

A Wearable Medical System (WMS) includes one or more pacing capabilities. The WMS may detect when the patient's heart rhythm starts to deteriorate, but not necessarily in a way that requires defibrillation. In particular, the WMS may detect bradycardia of one or more types, and then confirm the detection before pacing to treat the detected bradycardia.

The present application provides a method, device and storage medium for improving the defibrillation energy release accuracy of a defibrillation system. The method includes: obtaining the internal resistance value of the defibrillation system; obtaining the intracardiac impedance value of the patient to be defibrillated; obtaining the defibrillation energy set value input to the defibrillation system; calculating a total defibrillation energy value according to the internal resistance value of the defibrillation system, the intracardiac impedance value of the patient to be defibrillated and the defibrillation energy set value, and charging the charging capacitor of the defibrillation power supply in the defibrillation system with the total defibrillation energy value as the charging target value. The method of the present application can more accurately control the energy released to the patient's myocardium, thereby improving the defibrillation success rate and minimizing the damage to the patient's myocardium caused by defibrillation.

1. Name of the Design Product: Defibrillator Monitor (M700). 2. Use of the Design Product: This design product is used for defibrillation, pacing and vital sign monitoring of patients. 3. Design Key Points of the Design Product: Lies in the shape, color and their combination of the product shown in Design 1 in the figure; the shape of the product shown in Design 2. 4. Picture or Photo Most Indicating the Design Key Points: 3D view of Design 1. 5. The design of Design 1 for which protection is claimed includes color. 6. The bottom surface of this design product is a part that is not easily seen or not seen during use, and the bottom views of Design 1 and Design 2 are omitted. 7. Design 1 is designated as the basic design.

An implantable medical lead includes a first defibrillation electrode and a second defibrillation electrode. The implantable medical lead further includes a pacing electrode configured to deliver a pacing pulse that generates an electric field proximate to the pacing electrode. The implantable medical lead further includes a shield disposed over a portion of an outer surface of the pacing electrode and extending laterally away from the pacing electrode. The shield is configured to impede the electric field in a direction from the pacing electrode away from a heart. The implantable medical lead further includes a conductive surface disposed on the shield and electrically coupled to the pacing electrode.

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.

1. Name of the Design Product: Display Module of Electrode Pad for External Defibrillator. 2. Use of the Design Product: Electrically connected to a defibrillation device, attached to the human body surface to assist the operator in rescuing a patient with cardiac arrest symptoms, and at the same time display the effective use date of the electrode pad. 3. Design Key Points of the Design Product: Lies in the shape of the claimed part. 4. Picture or Photograph Most Indicating the Design Key Points: Perspective View. 5. Other Circumstances Requiring Explanation: Other Explanation: The area covered by blue in this design product represents the content not protected by this case.

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).

The invention relates to the technical field of auxiliary detection devices, in particular to an auxiliary device for electrocardiogram detection. Electrocardio data of a patient can be monitored through the dynamic monitor assembly, when an electrocardio numerical value is abnormal, a miniature vibration motor can vibrate and sense, meanwhile, defibrillation current generated by the multifunctional dynamic monitor conducts electric shock defibrillation on the heart through chest lead pieces on the two sides, and then the heart rhythm of the patient is recovered to be normal; the guide block is supported through the elastic interlayer and the monitoring vest, the chest lead sheet is prevented from displacement caused by friction, and the chest lead sheet is isolated from the external environment through the anti-radiation coating, so that the influence of the external environment on the monitoring result is reduced; the position of the lower limb lead clamp is adjusted through the electric control air cylinder so that the lower limb of the human body can be conveniently fixed, the upper limb lead clamp drives the sliding block to transversely move on the inner wall of the sliding rail, the upper limb of the patient can be conveniently clamped into the upper limb lead clamp to be fixed, and the lead clamp fixing of the four limbs of the patient is simpler and more convenient.

The invention relates to a sudden cardiac arrest treatment device based on an ultrasonic Doppler feedback technology, and belongs to the field of medical instruments. The cardiac arrest treatment device based on the ultrasonic Doppler feedback technology comprises a first monitoring module used for monitoring the blood flow condition of the neck blood vessel of a target organism; and / or the second monitoring module is used for monitoring the blood oxygen condition of the neck blood vessel of the target organism; the acquisition module is used for acquiring blood supply and / or oxygen supply of the target organism according to the blood flow condition and the blood oxygen condition; the system comprises a blood supply module, a cardio-pulmonary resuscitation pressing module, and / or a ventilation module, and / or a defibrillation module, and the cardio-pulmonary resuscitation pressing module is used for adjusting the pressing depth or pressing frequency according to blood supply and / or oxygen supply; the ventilation module is used for adjusting the ventilation frequency in the cardio-pulmonary resuscitation pressing process according to blood supply and / or oxygen supply; the defibrillation module is used for executing defibrillation operation under the condition that the defibrillable heart rhythm exists. According to the technical scheme, the treatment rate can be increased, and the cardiac arrest treatment quality can be improved.

Disclosed are various configurations of electrodes with accompanying extensions and wires configured to be attached at or near the left atrium of a heart to allow the device to be held snug against the endocardium and out of the blood flow for low energy defibrillation of the atria in response to atrial fibrillation or other atrial arrhythmias. The portion of the lead internal to the atrium (e.g., the left atrium) is restrained against the endocardium of the left atrium by way of a restraint mechanism. In one example, the electrode is configured to attach to the atrial septum, with wires containing memory-shaped metal to keep the wires against the heart wall. In yet another example, the electrode is configured to be part of a mitral valve device.

The invention aims to provide the cardio-pulmonary resuscitation equipment integrating pressing, ventilation, defibrillation and monitoring functions, a back plate and a chest strap are arranged on the lower portion of a rack, a pressing unit and a breathing unit are arranged on the upper portion of the rack, a bag strap is arranged in the chest strap, a plurality of defibrillation electrodes and ECG electrodes are arranged on the inner surface of the chest strap, and the bag strap and the ECG electrodes are connected with each other. The bag belt is inflated to wrap the chest of the patient and meanwhile presses the defibrillation electrode and the ECG electrode to be tightly attached to the skin of the patient. According to the scheme, pressing, ventilation, defibrillation and monitoring functions are integrated into an integrated structure, and different functions work cooperatively, so that the efficiency of equipment is greatly improved, and the operation convenience is improved. Meanwhile, front-back pressing and circumferential contraction are combined together, the pressing unit inflates the bag belt while pressing the chest of the patient, and the bag belt tightly wraps the chest of the patient, so that higher intrathoracic pressure change, larger blood flow and higher autonomous circulation recovery rate are provided.

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.