Embodiments of a wearable device are provided. The wearable device comprises a reusable component and a disposable component. The disposable component comprises a patient engagement substrate comprising adhesive on a bottom side, an electrode on the bottom side, a disposable component electrical connector, and a disposable component mechanical connector. The reusable component comprises a plurality of sealed housings mechanically coupled to each other and movable with respect to each other, each of the plurality of housings containing one or more of a capacitor and a controller, a reusable component mechanical connector adapted to removably connect to the disposable component mechanical connector, and a reusable component electrical connector adapted to removably connect to the disposable component electrical connector. The device can comprise a cardiopulmonary physiologic monitor or an automatic external defibrillator, among other types of devices.

Embodiments herein relate to implantable medical devices including a welded joint with reduced residual stress. In a first aspect, an implantable medical device is included having a power subunit comprising a first biocompatible electrically conductive shell, an anode disposed therein, a cathode disposed therein, and a lid. The implantable medical device can further include an electronics control subunit comprising a second biocompatible electrically conductive shell, and a control circuit disposed therein. Both of the first and second biocompatible electrically conductive shells can include first and second opposed wide sides, first and second opposed narrow sides, and four rounded corners. The first shell can be welded to the lid around a perimeter thereof forming a weld line. The weld line can have a weld line terminus and the weld line terminus can be positioned on a narrow side or a rounded corner. Other embodiments are also included herein.

This disclosure is directed to a catheter having a basket-shaped electrode assembly with a high electrode density. The basket-shaped electrode assembly may have a plurality of spines, such as up to twelve, each with a plurality of electrodes, such as up to sixteen. The distal ends of the plurality of spines are joined at a distal hub, all of which are fashioned from a single piece of superelastic material.

A distal shaft for measuring pressure distally of a stenosis includes a housing, a pressure sensor, a cover, a tip, and an aperture. The pressure sensor is mounted in the housing. The cover is coupled to the housing and covers the pressure sensor. The tip is coupled to a distal end of the housing. The aperture is disposed through the tip and/or cover. The aperture is configured to allow blood flow to the pressure sensor. The cover further includes a coupling mechanism or coupling that couples the cover to the housing. The coupling mechanism may be a snap-fit mechanism, a friction-fit mechanism, and/or an adhesive.

An oximeter probe includes sensor head with a probe face having one or more sensor structures to make measurements, a handle, and an elastic member connected between the handle and the base. A user can hold the handle while measurements are made and the elastic member permits the handle to flex relative to the sensor head with one or more sensor structures.

A movement sensing apparatus for use in a footwear item worn on a test subject, such as a person. The apparatus has movement sensor(s), an embedded electrical circuit, and an energy source. The sensor(s) generate movement signals representing movement of the footwear item while worn on a test subject's foot. The electrical circuit has a processor circuit coupled to receive the movement signals from the sensor(s), a buffer memory in communication with the processor circuit for storing movement data representing the movement signals, and a wireless interface controlled by the processor circuit for wirelessly transmitting movement data to an external host computing platform via an antenna. The energy source provides power to the circuit and sensor(s).

The invention describes an implantable pressure sensor having a housing, wherein the housing has walls and two or more pressure transfer membranes bounding an internal volume, wherein the pressure transfer membranes are not coplanar.

Provided is an implantable biosensor including an intermediate layer; a first electrode layer provided on one surface of the intermediate layer and including a first electrode configured to react with a bio material and an auxiliary electrode electrically connected to the first electrode; and a second electrode layer provided on another surface of the intermediate layer to face the first electrode layer and including a second electrode operating as a reference electrode.

A sensor assembly is disclosed. The sensor assembly includes a piercing member with an interior and exterior. Also included within the sensor assembly is a sensor that is formed on a flexible substrate. The sensor includes a proximal end and a distal end where the distal end includes a flex that is terminated at a terminal end. The terminal end of the sensor being located within the interior of the piercing member.

A biopotential signal acquisition device includes a plurality of electrodes and an electro-mechanical structure having a plurality of conductive contacts affixed to the plurality of electrodes, one or more electronic components, and a plurality of connectors that mechanically and electrically couple the plurality of conductive contacts and the one or more electronic components. The device also includes a mesh fabric overlaying and bearing mechanical strain of the electro-mechanical structure. The mesh fabric may include a plurality of fibrous threads arranged as a grid in which a first subset of the plurality of threads align in a first direction and a second subset of the plurality of threads align in a second direction orthogonal to the first direction. The plurality of conductive contacts may be arranged in at least one row along a third direction that is oblique to the first direction and the second direction.