An energy harvester includes a pendular unit subjected with a piezoelectric beam coupled to an inertial mass. On the clamped side of the beam, a beam frame includes two pressing elements between which the beam is taken in sandwich, each including i) an intermediate part, an internal face of which presses on a corresponding face of the beam, and ii) a pressure plate, an internal face of which presses on an external face of the intermediate part, a printed circuit board being interposed between them. The intermediate parts and the pressure plates are passed through by at least one common transverse bore receiving a locking pin. The intermediate parts, the pressure plates and the pin are each massive metal parts ensuring a direct electrical and mechanical contact with the electrodes of the beam and with the printed circuit boards

A catheter system for treating a treatment site within or adjacent to a vessel wall or a heart valve includes an energy source, a balloon, an energy guide, and an electrical analyzer assembly. The energy source generates energy. The balloon is positionable substantially adjacent to the treatment site. The balloon has a balloon wall that defines a balloon interior that receives a balloon fluid. The energy guide is configured to receive energy from the energy source and guide the energy into the balloon interior. The electrical analyzer assembly is configured to monitor a balloon condition during use of the catheter system. The electrical analyzer assembly can include a first electrode, a second electrode, and an impedance detector that is electrically coupled to the first electrode and the second electrode. The impedance detector is configured to detect impedance between the first electrode and the second electrode.

In one embodiment, the present invention relates to a tissue shaping device adapted to be disposed in a vessel near a patient's heart to reshape the patient's heart. Such tissue shaping device can include an expandable proximal anchor; a proximal anchor lock adapted to lock the proximal anchor in an expanded configuration; an expandable distal anchor; a distal anchor lock adapted to lock the distal anchor in an expanded configuration; and a connector disposed between the proximal anchor and the distal anchor, the connector having a substantially non-circular cross-section.

Retention devices for use with an implantable medical device (IMD) are disclosed. An illustrative retention device may comprise an elongate body including a bore configured to receive and substantially surround an implantable lead of the IMD and an outer surface configured to receive a suture. The retention device may also include a securing mechanism configured to push against tissue of the patient.

A leadless pacing device may include a housing having a proximal end and a distal end, and a set of one or more electrodes supported by the housing. The housing may include a first a distal extension extending distally from the distal end thereof. The distal extension may include a retractable and/or rotatable distal electrode. The distal electrode may be configured to be delivered to and pace at the Bundle of His. The leadless pacing device may be releasably coupled to an expandable anchor mechanism.

A catheter system comprises an elongate catheter body including a distal end. The catheter system also comprises a cannulation lumen extending through the elongate catheter body and terminating at the distal end of the elongate catheter body. The catheter system also comprises a steering element extending through the elongate catheter body for steering the distal end of the elongate catheter body and an imaging element extending within the elongate catheter body. The imaging element is configured to obtain optical images of an area located distally of the distal end of the elongate catheter body.

Electrical sensing/stimulation apparatuses for positioning at least one electrode within body tissue are provided. An electrical sensing/stimulation apparatus may comprise an elongate lead body having at least one internal lumen, at least one sensing/stimulation electrode, a deployable/retractable displacement member that moves or biases at least one electrode towards a prescribed direction by the user, a tissue attachment mechanism for affixing the distal segment of the device to body tissue, and an atraumatic distal lead body termination. In a retracted configuration, the attachment mechanism is positioned substantially within the distal segment of the lead body, and in the deployed configuration, the attachment mechanism extends from the axis of the lead body to engage body tissue.

A system and method for installing/implanting a leadless implant can include a leadless implant with shortened tine-based anchors and an implantation tool with a modified tip. The tines can extend from a surface of the leadless implant and may include a preformed curve or other shape to enable the tine to hook into or grapple tissue. The implantation tool may be provided with a modified tip to assist with proper alignment, insertion, and anchoring of the shortened tines. A tip of the implantation tool can have a reduced inner diameter to cause the tine tips to be approximately normal to the surface of the tissue to which the implant is being anchored. Upon deployment of the leadless implant, the tines of the anchoring mechanism are appropriately aligned for proper insertion so that robust anchoring is achieved.

An implantable leadless pacemaker configured to provide antibradycardia pacing of a human or animal heart, comprising: an electrical energy source, a sensor configured to sense intracardiac potentials of the heart, a pulse generator configured to generate electrical pacing pulses, a control unit for controlling the pulse generator, wherein the control unit is configured to inhibit generation of an electrical pacing pulse when an intracardiac potential is sensed, wherein the control unit is further configured to permanently switch off the pulse generator after passing of a predetermined timespan and/or after a pre-defined event detected by the pacemaker, an electrode pole for electrical stimulation and sensing intracardiac potentials, at least one fastening element for fastening the pacemaker to heart tissue, wherein the implantable leadless pacemaker is adapted such that a lifetime of the implantable leadless pacemaker is smaller than one year, particularly smaller than one month, particularly smaller than two weeks.

An implantable device, comprising: an end section, and at least one or a plurality of anchoring elements connected to the end section for anchoring the end section of the implantable device in the tissue of a patient, the anchoring element(s) extending in an extension direction of the anchoring element(s). The anchoring element(s): has an elastically compressible design; can be arranged in a compressed state in which it is folded toward the end section; and is designed to automatically move into an expanded state in which it projects from the end section at an angle of incidence. The anchoring element(s) comprises at least one first lamella and a second lamella connected to the first lamella, and wherein the two lamellae extend along the extension direction of the anchoring element(s) and include a first angle with one another in a plane perpendicular to the extension direction of the anchoring element(s).