1
Richard K Wampler: Sealless rotary blood pump with passive magnetic radial bearings and blood immersed axial bearings. Kriton Medical, Gerstman Ellis & McMillin, December 9, 1997: US05695471 (205 worldwide citation)

An implantable rotary blood pump without a shaft seal. The pump includes a rotary element, having a pump impeller on one end. The impeller is specially designed with large, thick blades and tall, narrow blood channels, to minimize hemolysis. The rotary element and the impeller are maintained in radi ...


2
Thomas S Kilpela, George J Iwanski, Matthew N Songer, Robert J Songer: Surgical cable screw connector. Pioneer Laboratories, Gerstman Ellis & McMillin, December 30, 1997: US05702399 (205 worldwide citation)

A surgical connector for cable comprises a body having a pair of opposed ends and a first side extending between the ends. Outwardly extending projections adjacent the first side and ends may be provided to facilitate securance of the connector in a desired position. Cable-receiving bores extend fro ...


3
Zbylut J Twardowski, John C Van Stone, W Kirt Nichols: Multiple lumen catheter for hemodialysis. The Curators of the University of Missouri, Gerstman Ellis & McMillin, April 23, 1996: US05509897 (201 worldwide citation)

A catheter for hemodialysis comprises a flexible catheter tube defining a plurality of separate lumens. The catheter defines an arc angle of generally U-shape in its natural, unstressed configuration. Thus, the catheter may be implanted with a distal catheter portion residing in a vein of the patien ...


4
Ernesto Avellanet, Ernesto Hernandez: Magnetic guidewire coupling for catheter exchange. Cordis Corporation, Gerstman Ellis & McMillin, January 30, 1996: US05487729 (182 worldwide citation)

Apparatus and method are disclosed for facilitating balloon catheter exchange in the vascular system of a patient. The apparatus and method concern means for holding a guidewire longitudinally fixed with respect to a guiding catheter while a balloon catheter is moved over the guidewire. Specifically ...


5
Zbylut J Twardowski, John C Van Stone, W Kirt Nichols: Multiple lumen catheter for hemodialysis. The Curators of the University of Missouri, Gerstman Ellis & McMillin, April 11, 1995: US05405320 (176 worldwide citation)

A catheter for hemodialysis comprises a flexible catheter tube defining a plurality of separate lumens. The catheter defines an arc angle of generally U-shape in its natural, unstressed configuration. Thus, the catheter may be implanted with a distal catheter portion residing in a vein of the patien ...


6
Ernesto Avellanet, Ernesto Hernandez: Magnetic guidewire coupling for catheter exchange. Cordis Corporation, Gerstman Ellis & McMillin, August 6, 1996: US05542938 (172 worldwide citation)

Apparatus and method are disclosed for facilitating balloon catheter exchange in the vascular system of a patient. The apparatus and method concern means for holding a guidewire longitudinally fixed with respect to a guiding catheter while a balloon catheter is moved over the guidewire. Specifically ...


7
Francis J Korhonen, Matthew N Songer: Crosslink for implantable rods. Pioneer Laboratories, Gerstman Ellis & McMillin, September 23, 1997: US05669910 (157 worldwide citation)

A crosslink member is provided for connecting a pair of surgical support rods in spaced, typically parallel relation. A first connector has a first recess, typically a bore, for receiving and retaining one of the pair of support rods, while a second connector has a second recess that may also be a b ...


8
Lawrence A Weinstein, Roberta D Goode: Catheter introducer with fluid chamber valve. Cordis Corporation, Gerstman Ellis & McMillin, October 24, 1995: US05460616 (157 worldwide citation)

A catheter introducer comprises a tubular sheath having an axis, and a housing carried on one end of the sheath. The housing encloses a fluid-filled chamber and carries a pair of valves aligned along the axis, the valves being at opposed ends of the fluid-filled chamber and communicating therewith. ...


9
Matthew N Songer, Francis J Korhonen: Cable system for bone securance. Pioneer Laboratories, Gerstman Ellis & McMillin, April 21, 1998: US05741260 (153 worldwide citation)

Surgical crimping pliers have operating handles and connected, opposed jaws. The jaws define opposed recesses for carrying and crimping a tubular crimp member, which is preferably of oval configuration for carrying a plurality of multistrand cable sections so that, upon crimping, the cable sections ...


10
Roberta D Goode, Lawrence A Weinstein: Enhanced sheath valve. Cordis Corporation, Gerstman Ellis & McMillin, September 27, 1994: US05350363 (153 worldwide citation)

A valve comprises an elastomeric partition member having first and second opposed faces, the valve being adapted for securement in a housing. Typically, one or both of the faces define a recess of substantially rectangular cross section to reduce the central thickness of the partition member, the re ...