In an example, an apparatus is described that includes an implantable housing, a heart signal sensing circuit configured to sense intrinsic electrical heart signals, a ventricular tachyarrhythmia (VT) detector circuit, operatively coupled to the heart signal sensing circuit, the detector circuit operable to detect a VT based on the sensed heart signals, a processor configured to control delivery of an anti-tachyarrhythmia pacing (ATP) therapy based on the detected VT, and an energy delivery circuit configured to deliver the ATP therapy in response to the detected VT, wherein the apparatus does not include a shock circuit capable of delivering a therapeutically-effective cardioverting or defibrillating shock.

Implantable medical devices including interconnections having strain-relief structure. The interconnections can take the form of flexible circuits. Strain relief gaps and shapes are integrated in the interconnections to relieve forces in each of three dimensions. In some examples, the region of an interconnection which couples with a component of the implantable medical device is separated by a strain relief gap from a connection to a second component and/or a location where the flex bends around a corner.

A defibrillating system includes a processor coupled to a memory. The processor and the memory are configured to identify a treatment event associated with treatment of a victim with the defibrillating system, and transmit a representation of a portion of an ECG signal associated with the identified treatment event. In some cases, the processor and the memory are configured to identify the portion of the ECG signal associated with the identified treatment event. In some cases, the portion of the ECG signal is of a predetermined length of time having a start time and an end time based on a time associated with the identified treatment event.

A semiconductor device comprises a first chip bonded on a second chip. The first chip comprises a first substrate and first interconnection components formed in first IMD layers. The second chip comprises a second substrate and second interconnection components formed in second IMD layers. The device further comprises a first conductive plug formed within the first substrate and the first IMD layers, wherein the first conductive plug is coupled to a first interconnection component and a second conductive plug formed through the first substrate and the first IMD layers and formed partially through the second IMD layers, wherein the second conductive plug is coupled to a second interconnection component.

Devices, systems, and methods are disclosed that identify a type of cable coupled to a receptacle of a defibrillator and that activate one or both of an ECG monitoring module and an energy storage circuit based at least in part on the identified cable type. The cable-type identification may allow a defibrillator to, for example, operate in either or both of an ECG monitoring mode and/or a therapy mode, based on the type of cable that is coupled to the defibrillator. The disclosed devices, systems, and methods can monitor an ECG of a patient and deliver defibrillation therapy to the patient, depending on the type of cable coupled to the defibrillator and/or the type of detected ECG signal of the patient.

A monitoring device for monitoring the readiness state of an automated external defibrillator (AED) and communicating the state to a remote receiver is described. The method uses a fault identification logic operable to detect an AED with a depleted battery. An associated method is described as well. The monitoring device captures both of a parameter related to the activation of the AED fault alert indicator and a second parameter that indicates a positive AED battery state.

An automated external defibrillator (AED) and AED Monitoring system made up of an AED, the AED having a self-diagnostic subroutine and performing said subroutine at regular intervals, the AED having at least an audio indicator that indicates the results of the self-diagnostic when the diagnosis is that the AED is in need of maintenance and a remote AED monitoring system, the AED monitoring system having an electromagnetic coil, microphone, battery, microprocessor, and wireless communication device, wherein the microprocessor selectively powers up the AED monitoring system prior to the AED's self-diagnostic subroutine and utilizes the electromagnetic coil and microphone to monitor for the AED's audio indicator that the AED is in need of maintenance, and the microprocessor transmitting a wireless signal through the wireless communication device indicating whether the AED is in need of maintenance; the microprocessor selectively powering down the AED monitoring system after transmitting the wireless signal.

The invention relates to a stimulation device for electrotherapy, in particular a defibrillator device and/or external pacemaker device, comprising: at least two contact electrodes (11, 12), which can be applied to the body of a patient at suitable stimulation positions and by means of which current pulses can be applied to the body of the patient (10), the first of the at least two contact electrodes (11, 12) acting as a supply electrode (12) having positive polarity, and the second of the at least two contact electrodes (11, 12) acting as a removal electrode (11) having negative polarity with respect to an emitted current pulse; and a current pulse generator (14), which is or can be connected to the contact electrodes (11, 12) by means of line connections (21, 17). In order to simplify the correct positioning of the contact electrodes on the body of the patient, a signal evaluation unit (15), which is or can be connected to the contact electrodes (11, 12), is provided for determining the application positions of the contact electrodes (11, 12) on the body of the patient (10), by means of which signal evaluation unit the polarity of the electrodes can also be automatically reversed in a preferred embodiment.

An in-vehicle automated external defibrillator system and a method of controlling the same, for detecting a state of a driver and applying an electric shock to his or her heart in the event of emergency, are disclosed. The method of controlling the in-vehicle automated external defibrillator system includes determining, by a driver state recognition device, a state of a driver through a state determination device, upon determining that the driver is in a cardiac arrest state, determining, by a heart impulse position controller, two current pads among a plurality of current pads disposed in a seat belt, determining, by a heart impulse intensity controller, current to be applied through the two determined current pads, and applying, by the heart impulse intensity controller, the determined current through the two determined current pads.

A predictive diagnostic system (10) for a distributed population of automated external defibrillator (AED) devices comprises a plurality of AEDs (12) and a remote service provider (RSP) computer (14) configured to receive and transmit information pertaining to periodic AED self-tests. Each AED (12.sub.1 to 12.sub.N) is provided with a controller for testing a readiness of the AED according to a self-test protocol. The RSP computer (i) analyzes self-test result data that includes functional measurement values of the periodic self-tests and which includes data from at least one failed AED (12.sub.N-2 to 12.sub.N) of the plurality, (ii) identifies an indicator of an impending fault or failure predictive of an impending AED device fault or failure in at least one non-failed AED (12.sub.4) based on the analyzed data, and (iii) remotely modifies the self-test protocol of a sub-set (12.sub.4) of the plurality of AEDs, based on the indicator, to pre-empt an occurrence of a self-test failure in the AED devices of the sub-set.