Abstract: A wearable therapeutic device includes a first therapy electrode and a second therapy electrode, each configured to be electrically coupled to an external defibrillator; and a garment configured to house the first therapy electrode and the second therapy electrode. The garment is configured to releasably receive a replaceable receptacle configured to store a conductive gel in a location proximate to at least one of the first therapy electrode and the second therapy electrode. The garment is configured to releasably receive a receptacle control unit. The receptacle control unit is separate from the replaceable receptacle. The receptacle control unit is configured to activate deployment of the stored conductive gel from the replaceable receptacle.

Abstract: According to at least one example, an ambulatory medical device is provided. The device includes a plurality of electrodes disposed at spaced apart positions about a patient's body and a control unit. The control unit includes a sensor interface, a memory and a processor. The sensor interface is coupled to the plurality of electrodes and configured to receive a first ECG signal from a first pairing of the plurality of electrodes and to receive a second ECG signal from a second pairing of the plurality of electrodes. The memory stores information indicating a preferred pairing, the preferred pairing being either the first pairing or the second pairing. The processor is coupled to the sensor interface and the memory and is configured to resolve conflicts between interpretations of first ECG signal and the second ECG signal in favor of the preferred pairing.

Abstract: In at least one example, a medical device is provided. The medical device includes at least one therapy electrode, at least one acoustic sensor, and at least one processor coupled with the at least one therapy electrode and the at least one acoustic sensor. The at least one processor is configured to deliver at least one pacing pulse via the at least one therapy electrode and to analyze processed acoustic data to determine whether the at least one pacing pulse resulted in capture.

Abstract: A wearable therapeutic device includes a garment configured to be worn on a torso of a patient. The garment has an anterior portion and a posterior portion. The garment is configured to house at least one defibrillator component, a first therapy electrode disposed in the anterior portion of the garment, a second therapy electrode disposed in the posterior portion of the garment, and an alarm module configured to alert the patient of an impending defibrillation shock from the at least one defibrillator component to be delivered by at least one of the first therapy electrode and the second therapy electrode. The first therapy electrode and the second therapy electrode are configured to be electrically coupled to the at least one defibrillator component. At least one of the first therapy electrode and the second therapy electrode is at least one of woven into the garment and comprises a textile material.

Abstract: A wearable medical device includes an electrode assembly having a plurality of ECG sensing electrodes configured to monitor a cardiac condition of a patient using the device, a call button to initiate a call with a remote location and a transceiver configured to communicate information to and from the wearable medical device. The device includes a memory and a controller having at least one processor configured to execute instructions stored in the memory. The instructions include receiving, via actuation of the call button, a request to initiate a communication link with the remote location, providing, via a user interface, a confirmatory prompt that the patient indicate confirmation to proceed with the request to initiate the communication link with the remote location, and initiating, via the transceiver, the communication link to the remote location responsive to the indication of the confirmation to proceed with the request to initiate the communication link.

Abstract: A wearable remote device includes a user interface, a strap configured to removably secure the wearable remote device to a wrist of a patient such that the user interface is accessible by the patient, and a wireless transceiver configured to wirelessly communicate with a wearable defibrillator. The wearable remote device includes a processor coupled to the user interface and wireless transceiver to provide a notification relating to at least one of device information relating to the wearable defibrillator and a cardiac arrhythmia communicated by the wearable defibrillator via the wireless transceiver. Responsive to a determination that the notification is of an urgent nature, the processor is configured to cause the user interface to communicate the notification, and responsive to a determination that the notification is not of an urgent nature, cause the user interface to store information relating to the notification in a memory of the wearable remote device.

Abstract: A wearable medical device includes a water-resistant/waterproof housing configured to be continuously or nearly continuously worn by a patient and formed from a water-resistant/waterproof material, and configured to prevent ingress of water in a wet environment; a plurality of ECG sensing electrodes configured to be removably coupled to the patient and to monitor an ECG of the patient; a plurality of therapy electrodes configured to be removably coupled to the patient and to deliver at least one therapeutic pulse to the patient; and a control unit disposed within the water-resistant/waterproof housing and configured to be electrically coupled to the plurality of ECG sensing electrodes and the plurality of therapy electrodes, the control unit configured to receive the monitored ECG of the patient, and responsive to detection of a cardiac arrhythmia, provide the at least one therapeutic pulse to the patient via the at least one therapy electrode.

Abstract: A medical device to monitor and treat a patient includes at least one ECG sensing electrode configured to sense a patient ECG signal, a plurality of therapy electrodes configured to deliver one or more therapeutic shocks, and a controller. The controller is configured to select a first ECG template based on a first ECG signal received during a first period of time, select a second ECG template based on determining from a second ECG signal received during a second period of time that the second ECG template represents a better fit, determine whether the patient is experiencing a treatable cardiac event based in part on one or more morphological differences between the second ECG signal and one or more of the first and second ECG template, and cause the medical device to initiate a treatment sequence in response to determining that the patient is experiencing the treatable cardiac event.

Abstract: According to another example, a wearable medical device controller is provided. The device controller includes a memory and a processor coupled to the memory. The processor is configured to determine a correlation between a phenomenon identifiable by the wearable medical device controller and at least one response pattern associated with a patient and store, responsive to detecting the correlation, an adaptation path to address the at least one response pattern, the adaptation path specifying an adaptation of at least one characteristic of an alarm. The at least one response pattern may include a plurality of response patterns and the adaptation path may reflect adaptations made to address at least some of the plurality of response patterns.

Abstract: A wearable defibrillator includes a plurality of ECG electrodes removably attached to a patient and configured to sense a cardiac condition of the patient, and at least one therapy pad configured to deliver electrical therapy to the patient. The wearable defibrillator may include a microphone configured to receive an audio input and sense environmental noise and a speaker configured to output one or more alarms signaling that treatment is about to be provided to the patient. At least one processor of the wearable defibrillator is operatively connected to the plurality of ECG electrodes, the at least one therapy pad, a memory, and the at least one audio device. The at least one processor is configured to monitor the sensed cardiac condition and increase a volume of the one or more alarms when the microphone senses from the environmental noise that the wearable defibrillator is in a high noise environment.

Abstract: A patient monitoring device is described that includes a wireless transceiver, an asset management database, and a processor communicably coupled to the wireless transceiver and the asset management database and configured to receive patient monitoring information gathered by the patient monitoring device, format the patient monitoring information into a plurality of frames, each frame of the plurality of frames associated with an incident identifier that identifies an emergency medical services (EMS) incident during which the patient monitoring information was gathered, store the plurality of frames to the asset management database, separately retrieve one or more frames of the plurality of frames from the asset management database based on the incident identifier, and provide one or more retrieved set of one or more frames to the wireless transceiver for transmission.

Abstract: An electrode assembly that includes an electrically conductive layer, a first impedance reduction system, and a second impedance reduction system. The electrically conductive layer forms an electrode portion of the electrode assembly and a first surface to be placed adjacent a person's skin. The first impedance reduction system is configured to dispense a first amount of an electrically conductive gel onto the first surface of the electrically conductive layer in response to a first activation signal. The second impedance reduction system is configured to dispense a second amount of the electrically conductive gel onto the first surface of the electrically conductive layer in response to a second activation signal.

Abstract: An augmented-reality system for providing information relating to a wearable medical device and/or a patient wearing a medical device. An augmented-reality enabled computing device includes an image acquisition device, a user interface operatively coupled to the image acquisition device, the user interface configured to receive streaming images of a scene having one or more predetermined recognizable features, and a processor operably connected to the user interface. The processor is configured receive the streaming images, analyze the one or more predetermined recognizable features to determine a context of the scene, retrieve information relating to at least one of the medical device and the patient wearing the medical device, the information corresponding to the determined context of the scene, and augment the received streaming images with contextual information relating to at least one of the medical device and the patient wearing the medical device.

Abstract: A system for configuring an ambulatory medical device includes a medical device configured to monitor a patient for an occurrence of one or more cardiac events, and a remote computing device. The remote computing device is configured to receive threshold values related to operation of the medical device from, for example, a physician, the threshold values identifying conditions indicative of an occurrence of a cardiac event. The remote computing device can query a master lookup table to determine a lookup code associated with the received threshold values and encode a key including the lookup code. Upon activation of the medical device, the remote computing device can establish a communication link with the medical device and transmit the encoded key to the medical device. The medical device can decode the lookup code, identify the threshold values on a local lookup table, and operate according to the identified threshold values.

Abstract: According to at least one aspect, a medical device is provided. The medical device includes at least one electrode to sense an electrocardiogram (ECG) signal of a patient and a controller coupled to the at least one electrode. The controller may be configured to generate a first ECG template based on a first ECG signal of the patient, generate a second ECG template based on a second ECG signal of the patient, and determine whether the patient is experiencing a cardiac event based on the ECG signal of the patient and an identified one of the first ECG template and the second ECG template.

Abstract: A wearable device and method of monitoring the condition of a patient. The wearable device includes at least one sensor and at least one processor operatively connected to the at least one sensor. The wearable device also includes an operator interface device operatively connected to the at least one processor. The at least one processor causes the device to allow for customization of at least one output message to be delivered via the operator interface device.

Abstract: A wearable medical system includes a wearable defibrillator device. The device includes a water-resistant/waterproof harness to be continuously or nearly continuously worn by a patient; a plurality of ECG sensing electrodes configured to monitor an ECG of the patient; a plurality of therapy electrodes configured to deliver one or more therapeutic pulses of energy to the patient; and a control unit configured to receive the monitored ECG of the patient, and responsive to the detection of a cardiac arrhythmia, provide the one or more therapeutic pulses to the patient via at least one of the plurality of therapy electrodes if the patient does not indicate that the patient is conscious. The system includes a hand-held user interface device configured to wirelessly communicate with the control unit; the interface device includes at least one patient responsiveness button by which the patient can indicate that the patient is conscious.

Abstract: An ambulatory medical device including a plurality of electrodes configured to be disposed at spaced apart positions about a patient's body, an electrode signal acquisition circuit, and a monitoring circuit. The acquisition circuit has a plurality of inputs each electrically coupled to a respective electrode of the plurality of electrodes and is configured to sense a respective signal provided by a plurality of different pairings of the plurality of electrodes. The monitoring circuit is electrically coupled to an output of the acquisition circuit and is configured to analyze the respective signal provided by each of the plurality of different pairings and to instruct the acquisition circuit to select at least one of the plurality of different pairings to monitor based on at least one of the quality of the respective signal, a phase difference between the respective signal and that of other pairings, a position of electrodes relative to the patient's body, and other criteria.

Abstract: A wearable device and method of monitoring the condition of a patient. The wearable device includes at least one sensor and at least one processor operatively connected to the at least one sensor. The wearable device also includes an operator interface device operatively connected to the at least one processor. The at least one processor causes the device to allow for customization of at least one output message to be delivered via the operator interface device.

Abstract: An electrode assembly that includes an electrically conductive layer, a first impedance reduction system, and a second impedance reduction system. The electrically conductive layer forms an electrode portion of the electrode assembly and a first surface to be placed adjacent a person's skin. The first impedance reduction system is configured to dispense a first amount of an electrically conductive gel onto the first surface of the electrically conductive layer in response to a first activation signal. The second impedance reduction system is configured to dispense a second amount of the electrically conductive gel onto the first surface of the electrically conductive layer in response to a second activation signal.