220 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 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.

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.

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.

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.

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.

The invention provides a method and device for improving defibrillation energy release precision of a defibrillation system and a storage medium. The method comprises the following steps: acquiring an internal resistance value of the defibrillation system; acquiring an intracardiac impedance value of the patient to be defibrillated; acquiring a defibrillation energy set value input to the defibrillation system; and 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 a charging capacitor of a defibrillation power supply in the defibrillation system by taking the total defibrillation energy value as a charging target value. According to the method, the energy released to the cardiac muscle of the patient can be more accurately controlled, so that the defibrillation success rate is improved, and the damage of defibrillation to the cardiac muscle of the patient is reduced as much as possible.

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.