1
Donald M Cohen, James E Barcel, Michael D Hooven: Implantable blood oxygen sensor and method of use. Siemens Pacesetter, Bryant R Gold, Leslie S Miller, March 28, 1989: US04815469 (404 worldwide citation)

An implantable medical sensor (42) determines the oxygen content of blood. The sensor includes a miniaturized hybrid circuit (130) that includes light-emitting diode means (32), phototransistor means (34, 36), and a substrate (110) to which the light-emitting diode means and phototransistor means ar ...


2
Donald M Cohen: System and method for implanting cardiac electrical leads. Fitch Even Tabin & Flannery, August 9, 1994: US05336252 (392 worldwide citation)

The present invention provides a system and method for implanting electric leads in the pericardial space of a heart. The system includes a suction cup mounted to the distal end of a guiding catheter. A vacuum pump evacuates the guiding catheter whereby the suction cup is held against the pericardiu ...


3
Donald M Cohen: Low resistance implantable electrical leads. Fitch Even Tabin & Flannery, July 19, 1994: US05330521 (280 worldwide citation)

The present invention provides an implantable electrical lead having relatively low electrical resistance. The lead comprises: a wire core formed in a helical coil having pre-compression, and having distal and proximal ends; a layer of an electrically conductive material formed around the wire core ...


4
Donald M Cohen: Method and system for implanting self-anchoring epicardial defibrillation electrodes. Siemens Pacesetter, Bryant R Gold, Leslie S Miller, Lisa P Weinberg, February 12, 1991: US04991578 (255 worldwide citation)

A method and system for positioning a defibrillation electrode within the pericardial space of a mammal is disclosed which includes means for distending the pericardium from the heart by injecting a small volume of fluid into the pericardium. A needle having a lumen therethrough is inserted from a s ...


5
Donald M Cohen, Alfredo Soria, Edmund E Spaeth, Alan de la Rama: Anchorable guidewire. Endomedix Corporation, Stetina and Brunda, December 1, 1992: US05167239 (157 worldwide citation)

An anchorable guidewire for use in various medical applications, said guidewire comprising an elongate guidewire body with at least one inflatable anchoring member or balloon positioned thereon and a deactuatable check valve operative to maintain inflation of the inflatable anchoring member or ballo ...


6
Donald M Cohen: Low threshold cardiac pacing lead. Fitch Even Tabin & Flannery, June 28, 1994: US05324327 (116 worldwide citation)

An improved implantable pacer lead separates the pacing function and sensing function to the benefit of both pacing threshold and sensing effectiveness. Such separation permits the reduction of the size of the necrotic capsule that forms around the pacing electrode and also permits the use of smalle ...


7
Donald M Cohen, James R Thacker: Travenously placed defibrillation leads. Siemens Pacesetter, Bryant R Gold, Lisa P Weinberg, Leslie S Miller, March 12, 1991: US04998975 (112 worldwide citation)

A cardiac defibrillation system and method includes an epicardial electrode for making electrical contact with the epicardium from a position within the pericardial space, an endocardial electrode for making electrical contact with the endocardium of the heart, and means for making electrical contac ...


8
Donald M Cohen, Werner Hafelfinger: Transvenously placed defibrillation leads via an inferior vena cava access site and method of use. Siemens Pacesetter, Bryant R Gold, Lisa P Weinberg, Leslie S Miller, February 12, 1991: US04991603 (98 worldwide citation)

A method and system for positioning a defibrillation electrode about the heart includes means for placing the electrode in contact with epicardial or pericardial tissue from an inferior vena cava (IVC) access site. A small hole is made in the IVC at the selected access site. A defibrillation lead ha ...


9
Glenn Sussman, Donald M Cohen: Liquefracture handpiece. Alcon Laboratories, Jeffrey S Schira, January 30, 2001: US06179805 (76 worldwide citation)

A surgical handpiece having two coaxial tubes or channels mounted within a body. The first tube is used for aspiration and is smaller in diameter than the second tube so as to create an annular passage between the first and second tube. The annular passage communicates with a pumping chamber formed ...


10
Glenn Sussman, Donald M Cohen: Liquefracture handpiece tip. Alcon Manufacturing, Jeffrey S Schira, June 17, 2003: US06579270 (69 worldwide citation)

A surgical handpiece and tip having two coaxial tubes or channels mounted within a body. The first tube is used for aspiration and is smaller in diameter than the second tube so as to create an annular passage between the first and second tube. The annular passage communicates with a pumping chamber ...