1
Leslie A Geddes, Tarek Elabbady, William E Schoenlein, Matthew Waninger, Joe D Bourland: Method and apparatus using vagal stimulation for control of ventricular rate during atrial fibrillation. Purdue Research Foundation, Woodard Emhardt Naughton Moriarty & McNett, June 29, 1999: US05916239 (540 worldwide citation)

A closed-loop, variable-frequency, vagal-stimulation apparatus for control of ventricular rate during atrial fibrillation. In one embodiment the apparatus includes a stimulator applied to the left vagus nerve and a controller programmed to automatically and continuously adjust the vagal stimulation ...


2
Leslie A Geddes, Marvin H Hinds, Joe D Bourland, William D Voorhees: Method and apparatus for thermally destroying a layer of an organ. Purdue Research Foundation, Med Institute, Richard J Godlewski, December 25, 1990: US04979948 (401 worldwide citation)

Method and apparatus are disclosed for thermally destroying a layer of an organ such as the mucosal layer of the gallbladder. The apparatus includes a catheter having an elongated member having a plurality of lumens therein. At the distal end of the elongated member is an electrode for emitting radi ...


3
Joe D Bourland, Leslie A Geddes, Charles F Babbs, Willis A Tacker Jr: Apparatus and method for measurement and control of blood pressure. Purdue Research Foundation, O Rourke & Harris, January 17, 1984: US04425920 (374 worldwide citation)

Apparatus and method for measurement and control of blood pressure are disclosed. Blood pressure is indirectly continually monitored without use of a pressure transducer by sensing the pulse transit time to different sites in an artery, which transit time is inversely related to blood pressure, and ...


4
Leslie A Geddes, Tarek Elabbady, William E Schoenlein, Matthew Waninger, Joe D Bourland: Method and apparatus using vagal stimulation for control of ventricular rate during atrial fibrillation. Purdue Research Foundation, Woodard Emhardt Naughton Moriarty & McNett, November 25, 1997: US05690681 (353 worldwide citation)

A closed-loop variable frequency vagal stimulation apparatus for control of ventricular rate during atrial fibrillation. In one embodiment the apparatus includes a stimulator applied to the left vagus nerve and a proportional controller programmed to automatically and continuously adjust the vagal s ...


5
Leslie A Geddes, Charles F Babbs, William D Vorhees III, Joe D Bourland: Demand electroventilator. Purdue Research Foundation, Barnes & Thornburg, May 9, 1989: US04827935 (242 worldwide citation)

A demand electroventilator for monitoring and stimulating the respiration of a patient operates in a manner analogous to the operation of a demand cardiac pacemaker for monitoring and stimultating the heart when needed. The demand electroventilator has a pair of stimulating electrodes for placement ...


6
Joe D Bourland, Charles F Barbs, Leslie A Geddes, Willis A Tacker Jr, George P Graber: Pressure mapping system with capacitive measuring pad. Purdue Research Foundation, Burns Doane Swecker & Mathis, April 30, 1991: US05010772 (224 worldwide citation)

A capacitive measuring pad is constructed of transverse conductive strips separated by a compressible insulator to form a matrix of pressure sensitive capacitive nodes. The nodes are repetitively scanned in sequence by a microcomputer to measure their respective capacitances, from which measurements ...


7
Joe D Bourland, Charles F Babbs, Leslie A Geddes, Willis A Tacker Jr, George P Graber: Pressure mapping system with capacitive measuring pad. Purdue Research Foundation, Burns Doane Swecker & Mathis, May 9, 1989: US04827763 (201 worldwide citation)

A pressure distribution measuring system includes a pad of insulating material disposed between two linear arrays of electrodes to form a matrix of capacitive nodes. A capacitance related output signal that is obtained from a node of interest is used as a feedback signal and applied to other capacit ...


8
Leslie A Geddes, Joe D Bourland, Reese S Terry: Method of and apparatus for automatically detecting and treating ventricular fibrillation. Purdue Research Foundation, Larry J Palguta, John A Young, September 29, 1981: US04291699 (156 worldwide citation)

Method of and apparatus for automatic defibrillation of the cardiac ventricles of a heart wherein both the mechanical and electrical activities of the ventricles are sensed and used as operating inputs to the controls. Electrical activity is detected and measured with a pair of electrodes, and the w ...


9
Willis A Tacker Jr, Joe D Bourland, Charles F Babbs, Leslie A Geddes: Sequential-pulse, multiple pathway defibrillation method. Medtronic, Joseph F Breimayer, Robert C Beck, John L Rooney, November 24, 1987: US04708145 (140 worldwide citation)

A method of controlling cardiac ventricular fibrillation and other tachyarrhythmias. A catheter carrying a first and second electrode is located in the right ventricle such that the first electrode is located in the right ventricle and the second electrode is located in the superior vena cava. A thi ...


10
Willis A Tacker Jr, Joe D Bourland, Charles F Babbs, Leslie A Geddes: Sequential-pulse, multiple pathway defibrillation method. Purdue Research Foundation, Barnes & Thornburg, October 22, 1985: US04548203 (126 worldwide citation)

A method of controlling cardiac ventricular fibrillation and other tachyarrhythmias by delivery of two time-separated current pulses to separate pairs of electrodes spatially placed in, around, or on the heart. The technique produces a temporal and spatial summation of the delivered current, which r ...