61
Gary L Moore, Bruce H Neilson, James V Kauphusman, James S Sharrow: Laser catheter control and connecting apparatus. GV Medical, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, June 2, 1987: US04669465 (83 worldwide citation)

A multi-lumen laser enhanced transluminal angioplasy catheter apparatus provided with a balloon or expandable member which is coupled to a catheter connecting manifold member providing a plurality of inlet ports for handling and delivering procedure-dependent materials. A laser fiber advance unit, i ...


62
David W Mayer, Byron L Gilman, Susan M Walgren, June M Berglund: Soluble covering for cardiac pacing electrode. Cardiac Pacemakers, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, October 24, 1989: US04876109 (81 worldwide citation)

A biocompatible covering, soluble in body fluids, surrounds the fixation helix of an implantable cardiac electrode as the electrode, and its adjoining lead, are inserted intravenously to a selected cardiac chamber. The covering size and shape are selected for protection of blood vessels and other bo ...


63
Peter Stasz, Jeffrey J Solberg, Scott R Grabinger: Method of making an electrosurgical spatula blade. Everest Medical Corporation, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, September 25, 1990: US04958539 (80 worldwide citation)

A surgical cutting blade for use in an electrosurgical scalpel includes a thin flat ceramic substrate having a rounded tip where the edge portion of the substrate on the opposed major surfaces thereof are beveled. A pattern of metallization is provided on the opposed major surfaces of the blade subs ...


64
Loren S Brink, James R Newton: Pulse rate controlled entertainment device. Orrin M Haugen, Thomas J Nikolai, December 6, 1988: US04788983 (77 worldwide citation)

A control circuit for a portable radio or like entertainment device which allows it to play only so long as the user's heart rate lies within a range commensurate with safe, effective exercise activity. EKG signals are picked up by suitably placed electrodes, amplified, filtered, shaped and applied ...


65
Arthur L Olive, Brian D Pederson, Rodney W Salo: Closed loop control of cardiac stimulator utilizing rate of change of impedance. Cardiac Pacemakers, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, March 29, 1988: US04733667 (77 worldwide citation)

A cardiac pacer of the type having an implantable pulse generator and electrical leads deployed in the right ventricular chamber of the heart. The lead has a stimulating electrode as well as a plurality of sensing electrodes coupled to the pulse generator. Certain control circuitry associated with t ...


66
Khosrow Jamshidi: Biopsy needle with stylet and cannula orientation. Orrin M Haugen, Thomas J Nikolai, May 12, 1981: US04266555 (76 worldwide citation)

An elongated hollow biopsy needle assembly which includes a cannula, a stylet arranged to be received within the cannula, a finger-gripping means, and coupling means for orienting the stylet within the cannula and for releasably securing both the cannula and the stylet to the finger-gripping means. ...


67
Hans W Keller, Michael Von Ritter: Method for temperature compensation and measuring circuit therefor. Keller fur Druckmesstechnik, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, December 22, 1987: US04715003 (75 worldwide citation)

A measurement circuit for carrying out a method of compensation, in particular for a piezoresistive pressure transducer with a measurement bridge (7) and a following output/differential amplifier (15) further comprises a current supply circuit (13). To enable an optimal temperature compensation for ...


68
Arthur A Beisang III, Robert A Ersek, Arthur A Beisang: Moldable cooling/heating device with directional cooling/heating. Genetic Laboratories, Orrin M Haugen, Thomas J Nikolai, June 24, 1986: US04596250 (72 worldwide citation)

A temperature control device containing a mixture of de-ionized water, propylene glycol, polysaccharides and plant gum for providing a moldable pillow-like surface for cooling/heating and positioning body organs or parts. A multi-layered container including an insulator, a radiant heat reflecting la ...


69
Paul A Bartholow: Cordless light pen. Hei, Orrin M Haugen, Thomas J Nikolai, June 30, 1987: US04677428 (71 worldwide citation)

A cordless light pen for use with a cathode ray tube display screen as a data input for a digital computer. Contained within the exterior barrel of the pen is a depressible tip having a core made from a plastic which has been treated and whose index of refraction causes light entering in a direction ...


70
Khosrow Jamshidi: Biopsy needle guard and guide. Orrin M Haugen, May 10, 1977: US04022191 (67 worldwide citation)

A biopsy specimen gathering system has been developed which includes a biopsy needle having an aspirating chamber operatively coupled thereto. An elongated tubular sleeve forming a sleeve guard is provided, the sleeve guard having a closed base and an open top with the inner periphery of the upper e ...