Abstract: A device comprising: an elongated housing configured to be implanted wholly within a first chamber of a heart, the first chamber of the heart having wall tissue; a distal electrode extending distally from a distal end of the elongated housing, and configured to penetrate into wall tissue of a second chamber of the heart; a reference electrode extending from the distal end of the elongated housing; one or more proximal electrodes extending from the distal end of the elongated housing and separate from the distal electrode and the reference electrode; and processing circuitry within the elongated housing. The processing circuitry is coupled to the distal electrode, the reference electrode, and the one or more proximal electrodes and is configured to sense electrical signals of the heart and pace via the distal electrode, the reference electrode, and the one or more proximal electrodes.

Abstract: A device comprising: an elongated housing extending from a proximal end to a distal end along a longitudinal axis; an elongated body extending distally extending distally from the distal end of the elongated housing and defining a first electrode at or proximate a distal end of the elongated body; and one or more second electrodes disposed at or proximate the distal end of the elongated housing, wherein the one or more second electrodes are configured to contact wall tissue of the chamber without penetrating the wall tissue, wherein the elongated housing defines one or more ramps, each ramp of the one or more ramps extending at least partially around a perimeter of the elongated housing and along the longitudinal axis from a proximal surface to a distal surface, wherein the distal surface of each ramp defines at least a portion of the distal end of the elongated housing.

Abstract: A device comprising: an elongated housing extending from a proximal end to a distal end along a longitudinal axis, the elongated housing being configured to be implanted wholly within a chamber of a heart; an elongated body extending distally from the distal end of the elongated housing, the elongated body comprising: a proximal portion extending distally from the distal end of the elongated housing, a medial portion coupled to and distal to the proximal portion, the medial portion defining a first electrode, and a distal portion coupled to and distal to the medial portion, the distal portion defining a distal end of the elongated body, wherein the distal portion is configured to penetrate wall tissue of the chamber; and a second electrode disposed on the distal end the elongated housing, the second electrode being configured to interface with the wall tissue of the chamber without penetrating the wall tissue.

Abstract: A medical system including a device head configured to be positioned in an atrium of a heart, an implantable medical device configured to be positioned within a vena cava of the heart, and a lead extending from the device head to the implantable medical device. A fixation element coupled to the device head is configured to engage tissues within the atrium. The device head includes an electrode configured to deliver therapy and/or sensing signals to tissues within the atrium using stimulation signals received from processing circuitry within the implantable medical device. The medical system may include a delivery catheter configured to allow delivery of the device head to the atrium.

Abstract: A medical system including a device head configured to be positioned in an atrium of a heart, an implantable medical device configured to be positioned within a vena cava of the heart, and a lead extending from the device head to the implantable medical device. A fixation element coupled to the device head is configured to engage tissues within the atrium. The device head includes an electrode configured to deliver therapy and/or sensing signals to tissues within the atrium using stimulation signals received from processing circuitry within the implantable medical device. The medical system may include a delivery catheter configured to allow delivery of the device head to the atrium.

Abstract: Various embodiments of an electronic package and implantable medical device are disclosed. The electronic package includes a nonconductive substrate having a first major surface, a second major surface, and an opening disposed through the substrate between the first major surface and the second major surface. The package also includes a conductive layer hermetically sealed to the first major surface of the substrate and over the opening; a conductor block disposed in the opening and extending beyond the second major surface of the substrate, where the conductor block is electrically connected to the conductive layer; and an electronic device disposed adjacent to the first major surface of the substrate and electrically connected to the conductive layer. The package also includes a nonconductive cover disposed over the electronic device and the nonconductive substrate and hermetically sealed to the substrate, where the electronic device is disposed within a cavity of the cover.

Abstract: In some examples, an implantable medical device (IMD) includes a housing defined in part by a longitudinal axis, a header at a distal end of the housing, the header defining a header plane, the header plane disposed at an angle relative to a reference plane, where the reference plane is perpendicular to the longitudinal axis, a fixation mechanism extending from the header, the fixation mechanism configured to be advanced into tissue of a heart of a patient to fix at least a portion of the IMD to the heart, one or more electrodes that extend from the header and are configured to engage with the septum, and circuitry within the housing, wherein the circuitry is configured to deliver cardiac pacing to the heart via the one or more electrodes.

Abstract: Various embodiments of an electronic package and implantable medical device are disclosed. The electronic package includes a nonconductive substrate having a first major surface, a second major surface, and an opening disposed through the substrate between the first major surface and the second major surface. The package also includes a conductive layer hermetically sealed to the first major surface of the substrate and over the opening; a conductor block disposed in the opening and extending beyond the second major surface of the substrate, where the conductor block is electrically connected to the conductive layer; and an electronic device disposed adjacent to the first major surface of the substrate and electrically connected to the conductive layer. The package also includes a nonconductive cover disposed over the electronic device and the nonconductive substrate and hermetically sealed to the substrate, where the electronic device is disposed within a cavity of the cover.

Abstract: An attachment device for securing a medical device to a patient, comprising at least one layer including a flexible portion and a rigid portion. The rigid portion being connected to the flexible portion and defining at least one loop. The at least one loop including an elongate body and an anchoring element. The elongate body having a first end and a second end opposite the first end. The anchoring element being disposed circumferentially around, and connected to, the elongate body.

Abstract: A medical system including a device head configured to be positioned in an atrium of a heart, an implantable medical device configured to be positioned within a vena cava of the heart, and a lead extending from the device head to the implantable medical device. A fixation element coupled to the device head is configured to engage tissues within the atrium. The device head includes an electrode configured to deliver therapy and/or sensing signals to tissues within the atrium using stimulation signals received from processing circuitry within the implantable medical device. The medical system may include a delivery catheter configured to allow delivery of the device head to the atrium.

Abstract: A connector block for an implanted coil of a transcutaneous energy transfer system (TETS) includes a plurality of closed slots sized and configured to receive corresponding conductors of a powerline of the implanted coil. A plurality of open slots is included. The connector block being sized and configured to be coupled to the implanted coil.

Abstract: Various embodiments of an implantable medical device and a method of implanting such device are disclosed. The device includes a housing having a first major surface, a second major surface, a sidewall that extends between the first major surface and the second major surface, and a port disposed in the sidewall. The sidewall defines a perimeter of the housing. The device further includes an electronic component disposed within the housing, and a cable electrically connected to the electronic component disposed within the housing, where the cable extends through the port. A portion of the cable is adapted to be removably connected to the housing adjacent an outer surface of the sidewall by a fastener such that the portion of the cable extends along at least a portion of the perimeter of the housing when the portion of the cable is removably connected to the housing.