A wearable cardioverter defibrillator (“WCD”) latching connector system includes a receptacle positioned within a WCD monitor, and a connector configured to removably engage the receptacle.

Status messages are wirelessly broadcast from medical devices (e.g., defibrillators) as advertisements that don't require the establishment of a wireless connection with listeners. The listeners are configured to act on, or forward, received status messages as appropriate. The listeners may optionally include supplemental information supplied by the listener when forwarding a status message to a management server. The listener may optionally analyze received status messages to determine whether an action should be taken based at least in part on status information in the message. Actions performed by the listener may include initiating a connection with the transmitting device to facilitate uploading new information from the medical device, updating the medical device's firmware, etc. Optionally, some of the advertisements are configured as beacons. The advertisements/beacons may be transmitted using a Bluetooth Low Energy or other suitable protocols. In another aspect, advertisement based arrangements for spreading responder network incident alerts are described.

The disclosure describes various aspects of an automated external defibrillator (AED) system, including shock generating electronics, a battery configured for providing power to the shock generating electronics, power management circuitry configured for managing the shock generating electronics and the battery, at least one environmental sensor configured for monitoring environmental conditions in which the AED system is placed, and a controller configured for controlling the power management circuitry and the at least one environmental sensor. The at least one environmental sensor includes a temperature sensor configured for providing a temperature measurement, and the controller is further configured for adjusting operations of the power management circuitry in accordance with the temperature measurement provided by the temperature sensor. The disclosure further describes associated methods of using the AED system.

Status messages are wirelessly broadcast from medical devices (e.g., defibrillators) as advertisements that don't require the establishment of a wireless connection with listeners. The listeners are configured to act on, or forward received status messages as appropriate. The listeners may optionally include supplemental information supplied by the listener device when forwarding a status message to a management server. The listener may optionally analyze received status messages to determine whether an action should be taken based at least in part on status information in the message. Actions performed by the listener may include initiating a connection with the transmitting device to facilitate uploading new information from the defibrillator, updating the defibrillator's firmware, etc. Optionally, some of the advertisements are configured as beacons. The advertisements/beacons may be transmitted using a Bluetooth Low Energy or other suitable protocols. In another aspect, advertisement based arrangements for spreading responder network incident alerts are described.

An external wearable defibrillator for monitoring a patient for cardiac-related events is provided. The defibrillator includes ECG sensors configured to be disposed about a torso of the patient, therapy electrodes, and at least one motion sensor. The ECG sensors, therapy electrodes, and at least one motion sensor are configured to be worn continuously for an extended period of time. The defibrillator includes a wearable medical device controller including at least one processor configured to receive ECG data, receive motion data, identify at least one of ventricular tachycardia or ventricular fibrillation, initiate a treatment protocol including a defibrillation shock, and, using at least one of the ECG data or the motion data, identify a predetermined pattern for syncope. The predetermined pattern includes bradycardia. The at least one processor is further configured to record the predetermined pattern in a memory and perform an intervening action to address the predetermined pattern.

An external medical device is provided which is configured to provide a user with access to one or more training modules. The external medical device includes one or more electrodes configured to detect a cardiac activity of a patient, an audio and/or visual output, and a controller coupled to the audio and/or visual output. The controller is configured to: detect at least one of a predetermined event and a device use pattern; and responsive to detecting the at least one of the predetermined event and the device use pattern, provide the patient access to one or more training modules relating to a use or a configuration of the external medical device via the audio and/or visual output. The device can also include a user interface configured to provide access to at least one training module according to a schedule of training modules for the patient.

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, 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, the first of the at least two contact electrodes acting as a charging electrode having positive polarity, and the second of the at least two contact electrodes acting as a discharging electrode having negative polarity with respect to an emitted current pulse, and with a current pulse generator, which is or can be connected to the contact electrodes by means of line connections. The invention further relates to a method for determining the polarity of contact electrodes applied to the body of a patient.

A Wearable Cardiac Defibrillator (WCD) system is configured to be worn by a patient who carries a mobile communication device. The mobile communication device has a user interface that is configured to enable the patient to enter wireless inputs. The WCD system includes a communication module that is configured to establish a local comlink with the mobile communication device. The WCD system also includes a tethered action unit that has a user interface configured to enable the patient to enter action inputs. The WCD system can perform some of its functions in response to the action inputs or to the wireless inputs. Since the wireless inputs can be provided from the mobile communication device instead of the action unit, the patient is less likely to attract attention when entering them, and thus exhibit better compliance.

A medical device that includes a power source, a therapy delivery interface, therapy electrodes, electrocardiogram (ECG) sensing electrodes to sense ECG signal of a heart of a patient, a sensor interface to receive and digitize the ECG signal, and a processor. The processor is configured to analyze the ECG signal to determine a cardiac rhythm and a transform value representing a magnitude of a frequency component of the cardiac rhythm, analyze the cardiac rhythm and the transform value to detect a shockable cardiac arrhythmia by classifying the cardiac rhythm as a noise rhythm or a shockable cardiac arrhythmia rhythm based on the transform value, and causing the processor to detect the cardiac arrhythmia if classifying the cardiac rhythm as a shockable cardiac arrhythmia rhythm, initiate a treatment alarm sequence, adjust the shock delivery parameter for a defibrillation shock, and provide the defibrillation shock via the therapy electrodes.

An example method is performed by a current defibrillator and includes determining that a memory embedded within a therapy cable coupled to the current defibrillator stores data indicative of a previous shock delivered to a patient, the previous being delivered using a previous defibrillator. The method also includes obtaining the data indicative of the previous shock, and setting an energy level for a subsequent shock based on the data indicative of the previous shock. The method further includes delivering the subsequent shock to the patient at the energy level for the subsequent shock.