11
Rodney W Salo, Brian D Pederson: Biomedical method and apparatus for controlling the administration of therapy to a patient in response to changes in physiologic demand. Cardiac Pacemakers, Orrin M Haugen, Thomas J Nikolai, August 18, 1987: US04686987 (243 worldwide citation)

A biomedical apparatus capable of sensing changes in the heart's ventricular volume or stroke volume and then changing the operating performance of the device in a fashion as a function of stroke volume. A relatively low frequency signal (under 5 KHz) is applied between spaced electrodes disposed in ...


12
Gregory J Marier: V-belt type continuously variable transmission. Yamaha Hatsudoki Kabushiki Kaisha, Orrin M Haugen, Thomas J Nikolai, April 29, 1986: US04585429 (210 worldwide citation)

A V-belt continuously variable transmission in which a V-belt is made to run on a drive pulley having a speed responsive mechanism and a driven pulley having a torque responsive mechanism. The torque responsive mechanism of the driven pulley includes a spring cap slidably mounted on a sleeve to whic ...


13
Michael G Snow, William R Tyler, Sung peng Hsu, Robert J Fallat: Pulmonary diagnostic system. Medical Graphics Corporation, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, January 10, 1989: US04796639 (204 worldwide citation)

A pulmonary diagnostic apparatus includes a personal computer including a memory for storing expected values, each representing a predicted normal level for a pulmonary function. A parameter limit file stores abnormality limits, each related to one of the expected values. A configuration file contai ...


14
Mark A Rydell: Atherectomy catheter. Schneider, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, August 15, 1989: US04857045 (201 worldwide citation)

A catheter for facilitating the restoration of patency to a blood vessel occluded with an atheroma or other similar lesion or thrombus comprising an outer flexible plastic tubular member having a plurality of ports proximate its distal end and concentrically surrounding an inner flexible plastic tub ...


15
Blaine G Lowthorp: Tactile touch switch panel. Sheldahl, Orrin M Haugen, Thomas J Nikolai, November 28, 1978: US04127752 (193 worldwide citation)

A touch panel diaphragm-type switch array providing improved tactile feedback. A rigid substrate having a printed circuit conductor pattern thereon, with the pattern defining a plurality of switch locations, each including first and second separate electrical contacts is provided and superimposed th ...


16
Donald J Humphrey, James P Hughes, Wayne A Peterson, Wayne R Roiger: Network communications adapter with dual interleaved memory banks servicing multiple processors. Network Systems Corporation, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, June 12, 1990: US04933846 (191 worldwide citation)

A network communications adapter interconnects a plurality of digital computing resources for mutual data exchange in which a high performance, large capacity common memory is provided with a pair of external buses which allows multiple processors to store information in and read information from th ...


17
Mark A Rydell: Balloon atheroectomy catheter. Schneider Shiley, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, November 15, 1988: US04784636 (191 worldwide citation)

A catheter assembly especially designed for the performance of atherectomy procedures which includes a guide catheter having an inflatable balloon disposed on the distal end portion thereof, the guide catheter being dimensioned to receive in its lumen an elongated drive tube having an annular cuttin ...


18
Roger D McCumber, Rein S Teder: Rain-controlled windshield wipers. Vericom, Orrin M Haugen, Thomas J Nikolai, October 28, 1986: US04620141 (189 worldwide citation)

An electronic control system for windshield wipers on motor vehicles for initiating wiping action in response to the occurrence and level of precipitation on the windshield. A sensor unit comprising a block containing an array of photo-sensors arranged in a bridge configuration and a corresponding a ...


19
James V Kauphusman, Bruce H Neilson: Laser catheter adjustable control apparatus. GV Medical, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, July 11, 1989: US04846171 (189 worldwide citation)

An apparatus is disclosed for advancing an optical fiber in a laser enhanced transluminal angioplasty catheter, and for controlling the introduction of laser energy into the fiber. The device includes a catheter and a fiber advance housing. The optical fiber runs through the catheter and housing, an ...


20
Gilmore T Schjeldahl, B Sharma: Expandable occlusion apparatus. Angiomedics Corporation, Orrin M Haugen, Thomas J Nikolai, June 26, 1984: US04456000 (170 worldwide citation)

A catheter assembly or catheter attachment for use in treatment of coronary artery disease resulting from atheromatous lesions whereby stenotic lesions can be dilated without interruption to the blood supply distal to the stenotic lesion being treated, the catheter further allowing blood pressure di ...