1
William L Winstrom: Apparatus for generating multiphasic defibrillation pulse waveform. Intermedics, Russell J Egan, January 31, 1989: US04800883 (369 worldwide citation)

An apparatus suitable for use in an implantable automatic defibrillation system for automatically generating a multiphasic defibrillation pulse waveform in response to sensed fibrillation has first and second series charge-storing capacitors having a common terminal and two other terminals each at d ...


2
Reese F Terry Jr, Henry Stanislaw, Anthony J Varrichio, William L Winstrom: Constant current sources with programmable voltage source. Cyberonics, Pravel Gambrell Hewitt Kimball & Krieger, October 13, 1992: US05154172 (283 worldwide citation)

An implant for stimulating the vagus nerve receives commands over a radio frequency link. The communication protocol uses asynchronous communications devices with parity checking and echoing of communicated characters and passwords to improve communication error checking. The implant disables a volt ...


3
Anthony J Varrichio, William L Winstrom: Implanted apparatus disabling switching regulator operation to allow radio frequency signal reception. Cyberonics, Pravel Hewitt Kimball & Krieger, August 17, 1993: US05235980 (208 worldwide citation)

An implant for stimulating the vagus nerve receives commands over a radio frequency link. The implant disables a voltage convertor used in providing the stimulation signal at periodic intervals to monitor for communications attempts. The implant provides radio frequency marker pulses before providin ...


4
Anthony J Varrichio, William L Winstrom, Henry Stanislaw: Simultaneous radio frequency and magnetic field microprocessor reset circuit. Cyberonics, Pravel Gambrell Hewitt Kimball & Krieger, February 16, 1993: US05186170 (201 worldwide citation)

An implant for stimulating the vagus nerve receives commands over a radio frequency link. The implant disables a voltage convertor used in providing the stimulation signal at periodic intervals to monitor for communications attempts. The implant provides radio frequency marker pulses before providin ...


5
Robert J Benkowski, Bryan E Lynch, Gino F Morello, William L Winstrom: Implantable pump system. Micromed Technology, Howrey Simon Arnold & White, February 6, 2001: US06183412 (157 worldwide citation)

A controller module for an implantable pump system which has a pump motor includes a processor, a motor controller electrically coupled to the processor and adapted to power the pump motor such that the pump motor operates at a desired speed. The motor controller outputs digital representations of t ...


6
Gregory R Martin, Gregg Turi, Marc Shanko, Rami Elghandour, Thomas Palma, William L Winstrom: Implantable device and system and method for wireless communication. Advanced Neuromodulation Systems, Peter R Lando, Christopher S L Crawford, May 1, 2007: US07212110 (111 worldwide citation)

A wireless communication method and protocol, and wireless devices and systems for stimulation, are provided for communication between a wireless device and a charging device. During active wireless charging, communications (data transmission) from the wireless device to the charging device occurs v ...


7
William L Winstrom: Protection apparatus for patient-implantable device. Intermedics, Willian Brinks Olds Hofer Gilson & Lione, May 24, 1988: US04745923 (79 worldwide citation)

An electrical circuit is connected in series with a lead of an implantable heart pacemaker between the pacemaker and the heart to protect the pacemaker against high voltages and currents produced by defibrillators and other sources. The electrical circuit has a sensing resistor arranged between two ...


8
Robert J Benkowski, Bryan E Lynch, Gino F Morello, William L Winstrom: Implantable pump system. MicroMed Technology, Howrey Simon Arnold & White, August 12, 2003: US06605032 (71 worldwide citation)

A controller module for an implantable pump system which has a pump motor includes a processor, a motor controller electrically coupled to the processor and adapted to power the pump motor such that the pump motor operates at a desired speed. The motor controller outputs digital representations of t ...


9
John C Tepper, Peter Kuo, Thomas M Emge, William L Winstrom: High efficiency pulsed electromagnetic field (PEMF) stimulation therapy method and system. AMEI Technologies, Baker & Botts L, April 28, 1998: US05743844 (58 worldwide citation)

A PEMF stimulation therapy system uses a PEMF transducer coil for generating PEMF stimulation signals and includes a single-winding transducer coil. A drive circuit recovers flyback energy from the single-winding transducer coil and dumps the voltage to a voltage supply equal to a predetermined high ...


10
John C Tepper, Peter Kuo, William L Winstrom: Pulsed electromagnetic field (PEMF) stimulation therapy system with bi-phasic coil. AMEI Technologies, Baker Botts L, October 17, 2000: US06132362 (51 worldwide citation)

A PEMF therapy system uses a bi-phasic coil PEMF transducer for generating PEMF stimulation signals. The coil has a "bi-phasic" operation, such that current flows through it in two directions. A drive circuit recovers the flyback energy from the transducer coil and dumps voltage to an energy recover ...