1454results about "Heart defibrillators" 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.

Systems and methods are disclosed for the treatment and prevention of cardiac dysrhythmias and / or hypertension, and more specifically to systems and methods of treating cardiac dysrhythmias, including atrial fibrillation, as well as hypertension through noninvasive peripheral nerve stimulation.

Systems and methods are disclosed for the treatment and prevention of cardiac dysrhythmias and / or hypertension, and more specifically to systems and methods of treating cardiac dysrhythmias, including atrial fibrillation, as well as hypertension through noninvasive peripheral nerve stimulation.

The invention discloses a multifunctional defibrillation electrode plate assembly, a defibrillation host and a defibrillation system. Wherein the multifunctional defibrillation electrode plate assembly is connected with the defibrillation host through the electrode plate assembly connecting terminal group, the first electrode plate assembly connecting terminal is connected with the defibrillation electrode plate, and the second electrode plate assembly connecting terminal is connected with the information component; under the condition that the electrode plate assembly connecting terminal group is connected with the defibrillation host, the defibrillation electrode plate can be connected with the defibrillation host through the first electrode plate assembly connecting terminal to realize a defibrillation and / or monitoring function, and the information component can provide information related to the defibrillation electrode plate for the defibrillation host through the second electrode plate assembly connecting terminal; and the second electrode plate assembly connecting terminal is also connected with the auxiliary sensor, so that a first preset function can be realized between the defibrillation host and the auxiliary sensor through the second electrode plate assembly connecting terminal under the condition that the electrode plate assembly connecting terminal group is connected with the defibrillation host.

A medical monitoring system comprises a wearable garment incorporating multiple physiological sensors for real-time patient monitoring. The garment integrates an embedded processing unit that receives sensor data and transmits it wirelessly to a base station or remote server. A multi-modal physiological signal processing unit analyses the data to generate composite physiological indices, including metabolic rate, work of breathing, and fall risk assessments. The garment includes optional monitoring features such as transcutaneous carbon dioxide measurement, electrocardiography, pulse oximetry, blood pressure monitoring, and accelerometer - gyroscope-based motion tracking. The system provides early-warning alerts for clinical deterioration, enabling proactive therapeutic interventions. A wireless communication module ensures real-time data transmission, supporting remote monitoring and integration with hospital networks. The garment's modular design allows for non-invasive physiological assessment while maintaining patient mobility, making it suitable for critical care, ambulatory monitoring, and telemedicine applications.

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.

A defibrillator or monitoring system may comprise a defibrillator, at least one video camera configured to acquire a video of a subject being treated by the defibrillator, a data collection unit configured to collect data associated with the subject, a communications unit configured to establish a communication channel between the defibrillator system and an emergency response center; and a processing unit configured to cause transmission to the emergency response center of at least one of the video of the subject and the data associated with the subject.

Systems are provided to perform automated identification and dispatching of resources (e.g., patient service responders) to provide individualization of medical products and service to specific patients. Such systems can use decision-based tree methods. In some examples, the systems can learn from historical data (using AI technology, for example) to autonomously match patient's medical and personal needs and preferences with responder options and the requisite inventory. Such systems can be scalable for a growing number of patients and responders and can improve patient quality of care, treatment, and satisfaction. The automated systems and methods can alleviate burdens on medical network and resources including reduction of redundancies and costs. It can also help reduce, and if needed, quickly address any errors, human and / or technical, and aid with quality assurance.

An example of a context sensitive guidance (CSG) system for guiding caregivers providing medical care for a victim, for example a trauma victim, includes a CSG engine and contextual data sources communicatively coupled to the CSG engine. The contextual data sources include a medical device configured to collect physiologic data and provide the physiologic data to the CSG engine and an emergency environment data source configured to receive emergency environment data and provide the data to the CSG engine. The CSG engine includes hardware logic and / or software logic configured to receive the contextual data, evaluate protocols based on the contextual data, select at least one action item based on the protocols, generate at least one instruction based on the action item(s), the instruction(s) including a caregiver instruction and / or a medical device instruction, and provide the instruction to a caregiver interface device and / or the medical device.

The disclosed systems and methods provide systems and methods for rhythm recognition and the analysis of ECG signals.

A defibrillator housing with secure wire arrangement is provided. Four walls are each affixed on one side of a bottom surface. A dividing layer is affixed to each of the four walls creating an electrode enclosure configured to hold a pair of pads each associated with a wire, and a circuit enclosure configured to hold circuitry. Access to the circuitry is restricted by the bottom surface and dividing layer. A plug is positioned in the dividing layer and has at least one pin that extends through the dividing layer to connect with the circuitry in the circuit enclosure. The wires are connected to one end of the plug, opposite the pins, to provide power to the pads.

AED pulse generation circuits that provide floating, adjustable, bias voltages for driving a solid-state defibrillation waveform therapy generator circuit are provided. The provided bias voltages allow to reverse polarity of provided electric shock to increase chances of successful defibrillation and survival. In one of the provided configurations, energy stored in the pulse capacitor can be discharged by activating the waveform therapy generator in the high-resistance transconductance region. The circuits can be positioned on a self-contained module potted with an insulating material to reduce unintended interactions with other AED components. Through the use of the disclosed circuits, AED size can be reduced to promote pocketability while simultaneously increasing AED reliability.

A computer-implemented method for managing medical equipment includes presenting, at a display of a mobile computing device associated with an inspector, an inspection user interface configured to capture one or more user inputs from the inspector, receiving inspection account information via the one or more user inputs, receiving a location of the mobile computing device, providing, at the inspection user interface, identification information for transported medical equipment that is associated with the inspection account information, receiving status information for the transported medical equipment via the one or more user inputs, receiving, at a remote medical equipment database, location information for the transported medical equipment, and updating a maintenance report for the transported medical equipment by storing an inspection information entry in the maintenance report. The inspection information entry includes a time stamp, the location information, the received status information, and the location of the mobile computing device.

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.

Provided herein are methods of treating heart failure in patients exhibiting one or more additional features, comprising administering to the patient a therapeutically effective amount of omecamtiv mecarbil, or a hydrate, salt, or salt of a hydrate thereof.

Systems and methods for detecting cardiac events in a patient are described herein. An embodiment of a medical system includes a detection circuit configured to detect cardiac events of the patient at different detection settings using physiologic information of the patient and a control circuit to determine a priority for each detected cardiac event based on the detection setting used to detect the respective cardiac event and to prioritize system resources for the detected cardiac event according to the determined priorities, wherein to prioritize system resources comprises to allocate memory space for the detected cardiac events or to prioritize data transmission of the detected cardiac events to an external system based on the determined priority for each respective cardiac event.

A method for self-application of a defibrillator is provided. An opening of a cover of a defibrillator is identified. A pair of pads are stored in an enclosure of the defibrillator, below the cover. Charging of the defibrillator is initiated upon the opening of the cover. A trigger for recording cardiac data of a patient via the defibrillator is identified. The trigger includes placement of the pads on the patient, by the patient. Recording of the cardiac data of the patient is initiated upon identifying the trigger. The recording is monitored for a shockable event.

A transient closed-loop system for cardiac pacing and / or defibrillator therapy for a subject includes a bioresorbable module configured to at least partially attach to an epicardial interface of the subject's heart for the cardiac pacing; at least one skin-interfaced module configured to attach to an outer surface of the subject's skin, wherein the bioresorbable module is in wireless communication with the at least one skin-interfaced module; and a control module in wireless communication with the at least one skin-interfaced module.

An example modular bag system includes a bracket configured to be removably coupled to a housing of a medical device and a bag removably coupled to a first arm of the bracket. The first arm extends in a first direction and configured to conform to a portion of a first side of the medical device housing. The bracket also includes a second arm extending in a second direction and configured to conform to a portion of a second side of the medical device housing. A foot extends from the second arm.

This disclosure is directed to systems and techniques for detecting change in patient health based upon peak and non-peak patient activity data. In some examples, the peak and non-peak patient activity data correspond to one or more peak (time) periods and the one or more non-peak periods, respectively, where at least one peak period and at least one non-peak period corresponds a highest activity level and a lowest activity level, respectively, for a single day. If a change in patient health is detected, the techniques described herein may direct a medical device to generate for display output indicating the detection of the change in patient health.

A portable medical treatment apparatus and interactive application that leads a user through a medically acceptable query flow for treating medical emergencies, including cardiac or pulmonary medical emergencies that can be treated with electrotherapy and other medical emergencies.

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.

A method for assessing a physiological status of a patient is described herein. The method includes placing at least one pressure sensor in an anterior mediastinal space of the patient. Pressure signal data received from the at least one pressure sensor is amplified and filtered to separate the pressure signal data into different frequency bands. A set of pressure curves is generated based on the separated pressure signals in different frequency bands, and a physiological status of the patient is assessed based at least in part on the set of pressure curves.

An implantable lead configured to be implanted in an anterior mediastinum of a patient. The implantable lead includes a generator interface and a lead body coupled to the generator interface. The generator interface is configured to couple the implantable lead to a generator of an implantable treatment device. The lead body includes a sternal portion configured to be positioned in the anterior mediastinum to engage a posterior portion of a sternum of the patient, and a heart wall portion configured to be positioned in the anterior mediastinum to engage a heart wall of a heart of the patient. At least one of the sternal portion or the heart wall portion is configured to deliver treatment energy to the heart of the patient.

A system for delivering a lead an implantable diagnostic / treatment device includes a needle defining a needle lumen and including a biased portion. The biased portion is configured to bias at least a distal end portion of the needle toward a posterior sternal wall when disposed in a body of a patient. The system includes a stylet removably coupled to the needle that is configured to selectively straighten the biased portion of the needle for insertion into the body of the patient. The system includes a guidewire configured to extend through the needle lumen and into the substernal space. The system includes a sheath configured to be advanced over the guidewire to dispose a distal end of the sheath in the substernal space. The sheath defines a sheath lumen allowing the lead to be advanced therethrough to deliver the lead to a substernal space in the body of the patient.

In one embodiment, a defibrillation assembly energizable through electrode enclosure manipulation is provided. The defibrillation assembly includes a magnetically triggered reed switch; an energy storage element that supplies power to the magnetically triggered reed switch; circuitry configured to generate a defibrillation waveform, wherein the circuitry is isolated from the energy storage element by the electromechanical component; and a case within which at least a portion of the housing is located and comprising an electrode enclosure within which a magnet is positioned that keeps the magnetically triggered reed switch in an open position, wherein an opening of the case that comprises removal of the magnet from the position causes the magnetically triggered reed switch to switch into a closed position and for the power to flow to the circuitry through the magnetically triggered reed switch.

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.

Defibrillators, defibrillator architectures, defibrillator interface units and methods of operating defibrillators are described. In one aspect, a modular defibrillator architecture is described. In some embodiments, a base defibrillator unit includes a rechargeable battery and a supplemental battery pack is provided to facilitate recharging the base defibrillator unit's rechargeable battery.

A system for reducing undesired treatments provided to a heart of a patient. The system includes a first sensor configured to measure at least a first characteristic of the heart of a patient and a second sensor configured to measure at least a second characteristic of the heart different from the first characteristic. An implantable cardioverter defibrillator (ICD) configured to be implanted in the patient is in communication with the first sensor and the second sensor. The ICD includes a generator configured to generate treatment energy and a lead configured to deliver the treatment energy. The generator configured to determine a cardiac status based on data from each of the first sensor and the second sensor, determine, based on the cardiac status, if a health event is occurring, and responsive to determining that the health event is an adverse health event, operate the generator to generate the treatment energy.

The disclosed physiological feedback systems and methods assist with assessing, monitoring and / or treating a patient experiencing a cardiac arrest event. The systems and methods receive multiple inputs and are continuous and / or iterative during a treatment session to provide physiological state trends of the patient. An index of the physiological state of the patient can be derived and confounders, and / or their effects, can be identified, and / or removed, from the index. Additionally, the systems and methods can assist with determining ischemic injury in a patient based on cerebral tissue oxygenation and / or other physiological data.