Patents by Inventor Kenneth G. Hammerquist
Kenneth G. Hammerquist has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7264606Abstract: A method for providing at least partial bypass of the heart to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon includes providing a circulatory assist system having a portable extracorporeal axial flow pump with a pump housing, a rotating pumping member disposed in the pump housing and inlet and outlet cannulated tubes respectively connected to inlet and outlet ports of the pump housing, accessing the patient's left atrium of the heart with the inlet cannulated tube, accessing the aorta with the outlet cannulated tube, actuating the rotating pumping member to draw oxygenated blood from the left atrium of the heart through the lumen of the inlet cannulated tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygenated blood passing through the pump housing and directs the oxygenated blood through the outlet port and through the lumen of the outlet cannulated tube to be transferredType: GrantFiled: April 5, 2004Date of Patent: September 4, 2007Assignee: United States Surgical CorporationInventors: Robert Jarvik, Daniel E. Alesi, John F. Klinger, Robert J. Geiste, Steven R. Day, Keith Payea, Kenneth G. Hammerquist, Steven J. Stern, Francis X. Kaczynski, Mark Howansky, Deborah M. Cashin
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Publication number: 20040191116Abstract: A method for providing at least partial bypass of the heart to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon includes providing a circulatory assist system having a portable extracorporeal axial flow pump with a pump housing, a rotating pumping member disposed in the pump housing and inlet and outlet cannulated tubes respectively connected to inlet and outlet ports of the pump housing, accessing the patient's left atrium of the heart with the inlet cannulated tube, accessing the aorta with the outlet cannulated tube, actuating the rotating pumping member to draw oxygenated blood from the left atrium of the heart through the lumen of the inlet cannulated tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygenated blood passing through the pump housing and directs the oxygenated blood through the outlet port and through the lumen of the outlet cannulated tube to be transferredType: ApplicationFiled: April 5, 2004Publication date: September 30, 2004Inventors: Robert Jarvik, Daniel E. Alesi, John F. Klinger, Robert J. Geiste, Steven R. Day, Keith Payea, Kenneth G. Hammerquist, Steven J. Stern, Francis X. Kaczynski, Mark Howansky, Deborah M. Cashin
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Patent number: 6716189Abstract: A method for providing at least partial bypass of the heart to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon includes providing a circulatory assist system having a portable extracorporeal axial flow pump with a pump housing, a rotating pumping member disposed in the pump housing and inlet and outlet cannulated tubes respectively connected to inlet and outlet ports of the pump housing, accessing the patient's left atrium of the heart with the inlet cannulated tube, accessing the aorta with the outlet cannulated tube, actuating the rotating pumping member to draw oxygenated blood from the left atrium of the heart through the lumen of the inlet cannulated tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygenated blood passing through the pump housing and directs the oxygenated blood through the outlet port and through the lumen of the outlet cannulated tube to be transfeType: GrantFiled: June 8, 1999Date of Patent: April 6, 2004Assignee: United States Surgical CorporationInventors: Robert Jarvik, Daniel E. Alesi, John F. Klinger, Robert J. Geiste, Steven R. Day, Keith Payea, Kenneth G. Hammerquist, Steven J. Stern, Francis X. Kaczynski, Mark Howansky, Deborah M. Cashin
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Patent number: 5965089Abstract: A method for providing at least partial bypass of the heart to supplement the pumping function of the heart to thereby enable the surgeon to perform various surgical procedures thereon includes providing a circulatory assist system having a portable extracorporeal axial flow pump with a pump housing, a rotating pumping member disposed in the pump housing and inlet and outlet cannulated tubes respectively connected to inlet and outlet ports of the pump housing, accessing the patient's left atrium of the heart with the inlet cannulated tube, accessing the aorta with the outlet cannulated tube, actuating the rotating pumping member to draw oxygenated blood from the left atrium of the heart through the lumen of the inlet cannulated tube and into the inlet port of the pump housing whereby the pumping member imparts mechanical energy to the oxygenated blood passing through the pump housing and directs the oxygenated blood through the outlet port and through the lumen of the outlet cannulated tube to be transferredType: GrantFiled: October 3, 1997Date of Patent: October 12, 1999Assignee: United States Surgical CorporationInventors: Robert Jarvik, Daniel E. Alesi, John F. Klinger, Robert J. Geiste, Steven R. Day, Keith Payea, Kenneth G. Hammerquist, Steven J. Stern, Francis X. Kaczynski, Mark Howansky, Deborah M. Cashin
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Patent number: 4975723Abstract: A web-handling system for use in the processing of photographic print paper during the developing process includes a plurality of rollers mounted in a developing tank, at least some of the rollers being movable to vary the length of the paper path through the tank. The paper path length is continuously monitored and the input and output speed of drive rollers that move the paper into and out of the tank is controlled so that the path length is of the proper value to maintain the paper within the tank for a predetermiend time regardless of the rate of input of paper to the tank. The movable rollers are mounted on a carriage that is supported by the paper web when the handling system is in dynamic operation. A monitoring sensor is positioned near the input to the tank to monitor the transverse position of the paper web with respect to the paper path defined by the rollers and a roller adjustment device is controlled by the sensor to adjust the web position to maintain alignment of the web with the paper path.Type: GrantFiled: February 2, 1990Date of Patent: December 4, 1990Assignee: Gretag Systems, Inc.Inventors: Kenneth G. Hammerquist, Maxwell G. Maginness, Gordon L. Overbye
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Patent number: 4823162Abstract: A system for matching the envelope, film, and prints that make up a photographic processing order includes a method of identifying the film with a particular customer. The method includes the steps of reading a preprinted bar code from the customer envelope, printing that bar code on a segment of a continuous stock of splice tape, and then using that segment of splice tape to join the identified film to other films to form a continuous reel. The bar code from the film can be read after processing and matched to the envelope bearing the same bar code. An additional step includes encoding at least a portion of the identifying code on the prints made from the film in order to provide a three-way match. A splice tape printer to carry out the method includes a print head that is capable of simultaneously printing a bar code number and a human-readable number on the tape segment.Type: GrantFiled: May 15, 1987Date of Patent: April 18, 1989Assignee: Ciba-Geigy CorporationInventors: John O. Renn, Hans U. Schlapfer, Kenneth G. Hammerquist, Charalambos Caraconstantis