1
Craig M Housworth, Edward A Schroeppel: Apparatus and method for capture detection in a cardiac stimulator. Intermedics, Richard L Robinson, August 22, 1995: US05443485 (155 worldwide citation)

A capture detection circuit for an implantable cardiac stimulator. A signal detected by an electrode in the heart following delivery of a stimulating pulse is amplified, bandpass and highpass filtered, rectified, integrated over a selected window of time starting at a selected delay after delivery o ...


2
Rand M Voorhies, Craig M Housworth, Antonio J Waring: Surgical retractor and blood flow monitor. Research Corporation, Scully Scott Murphy & Presser, November 15, 1988: US04784150 (150 worldwide citation)

A surgical retractor instrument which incorporates therein a blood flow monitor. A surgical retractor system is disclosed for manipulation of living tissues and/or organs during diagnostic and/or surgical procedures, providing for the monitoring of the presence or absence of blood flow in the tissue ...


3
Craig M Housworth, Loyd V Allen Jr, Alfred W Yakel: Programmable power supply. Keltronics Corporation, Dunlap Codding & Lee, April 7, 1992: US05103110 (51 worldwide citation)

A programmable power supply having a plurality of channels wherein each channel is adapted to output a selectable DC voltage, AC voltage, DC current or AC current. Each channel is adapted to select a DC reference signal or an AC reference signal and to scale the selected DC reference or the AC refer ...


4
Jack A Cuzick, Richard J Davies, John D Stephens, Vera Borgwardt, Craig M Housworth, Xingye Lei, Peter D Gadsby, Abe Iskac: Method and apparatus for sensing and processing biopotentials. Biofield, Daniel W Sixbey, Nixon Peabody, February 26, 2002: US06351666 (13 worldwide citation)

In accordance with the apparatus and method of the present invention, a biopotential lesion sensor is placed directly over a lesion in a symptomatic breast and a reference sensor is located away from the symptomatic breast. A plurality of electropotential test measurements are taken during a test pe ...


5
Craig M Housworth, Nancy P Pool: Implantable medical device programmer module for use with existing clinical instrumentation. Medtronic, Daniel G Chapik, December 9, 2008: US07463930 (6 worldwide citation)

An external programmer module adapted for physical and electrical connection to existing clinical monitoring and/or therapy instrumentation is provided for achieving bi-directional communication with an implantable medical device (IMD). The programmer module includes telemetry circuitry necessary fo ...


6
Craig M Housworth, Nancy P Pool: Implantable medical device programmer module for use with existing clinical instrumentation. Medtronic, Medtronic, November 11, 2004: US20040225337-A1

An external programmer module adapted for physical and electrical connection to existing clinical monitoring and/or therapy instrumentation is provided for achieving bi-directional communication with an implantable medical device (IMD). The programmer module includes telemetry circuitry necessary fo ...


7
Nancy Perry Pool, Craig M Housworth, Bozidar Ferek Petric: Instrumentation and software for remote monitoring and programming of implantable medical devices (IMDs). Medtronic, December 19, 2002: US20020193846-A1

A modular system including hardware and software in combination or separately is used to adopt instruments for remote connectivity and programming of one or more medical devices in one or more patients. The modular system is implemented via an interface and is adaptable to a variety of medical devic ...


8
Craig M Housworth, Nancy P Pool: Implantable medical device system with communication link to home appliances. Medtronic, Medtronic, August 25, 2005: US20050187593-A1

An implantable medical device (IMD) system is provided including an IMD capable of generating uplink telemetry transmissions, an external medical device (EMD), such as a patient programmer or home monitor, for receiving uplink telemetry transmissions from the IMD and for transmitting data to a home ...