Abstract: A controller for an implantable blood pump including processing circuitry configured to operate the implantable blood pump and a piezoelectric element in communication with the implantable blood pump.

Abstract: A controller for an implantable blood pump including processing circuitry configured to operate the implantable blood pump and a piezoelectric element in communication with the implantable blood pump.

Abstract: An implantable medical lead includes a device, such as a physiological sensor, that is coupled to one or more stimulation/sensing sensing conductors within the lead. When the implantable medical lead is coupled to an implantable medical device, the device carried by the lead both receives power from, and communicates with the implantable medical device via the one or more stimulation/sensing sensing conductors. Each of the one or more stimulation/sensing sensing conductors is also coupled to an electrode that is exposed to body tissue.

Abstract: The recycling of used polyurethane foam is made possible by a process in which the starting material is first dried to a moisture content of 2 to 4% and is then filled into a multi-part mold (16, 17, 18) that defines the molded part (32). The parts of the mold (16, 17, 18) are then, with generation of the necessary compression pressure of below 20 N/mm.sup.2, pressed together and locked. These molds (16, 17, 18) that are subject to the compression pressure are heated in a tunnel furnace (20) so that the molding material reaches a temperature of approximately 130.degree. C. After a predefined holding time, the molds (16, 17, 18) can be opened under pressure and the molded parts (32) can be removed. Molded parts (32) with a thickness of 42 mm and of corresponding size have been produced successfully with this process. Instead of the molds (16, 17, 18), it is also possible that a two-part tool is used.

Abstract: A curved belt conveyor, to be used mostly above ground and operating with any desired length, can be operated advantageously without belt band rollers so that no tumbling action can take effect upon the belt band. This makes for long service life, as well as quieter, more uniform and safer operation. Drive is accomplished either via a linear motor drive system acting laterally upon the belt band, said system consisting of magnets arranged on the running wheel carriers and the stators that are firmly integrated into the guide ducts, or where, in the guide ducts, for example, a traction chain runs that is connected correspondingly with the running wheel carriers. The side edges of the belt band are grasped via the running wheel carriers and are so connected with them that one can achieve a swing-motion connection.