Abstract: Actuator mechanisms on the heart are of several types. In preferred embodiments, they are generally simple, durable, mechanical assemblies and are driven by power delivered from a remote location, generally outside the chest, by a variety of mechanisms. The invention teaches physical mechanisms (1) for transfer of cyclic power from outside the chest to the region of the heart for that purpose, either as translational or rotary motion. Also taught are electromechanical converting mechanisms suitable for delivering power to those transfer devices. The embodiments described herein for either transmission of energy from a site of generation to a conduit (2, 10, 22), and of conduits that then deliver energy to heart actuators, have contours and interfaces designed to promote a favorable biologic response similar to the pseudosynovial capsules that surround artificial joints. Further, design features are chosen to avoid both non-vented gas-filled chambers and static collections of tissue fluid.

Abstract: A communication system comprises a terminal configured for being able to communicate with a computer and to operate according to at least one operational parameter. A peripheral device for use with the terminal has a characterizing parameter associated therewith. The terminal is operable for reading the characterizing parameter from the peripheral device when the device is coupled to the terminal. The terminal is further operable for configuring itself to operate according to an operational parameter associated with the characterizing parameter of the peripheral device.