Patents by Inventor Andrew J. Dusbabeck

Andrew J. Dusbabeck 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).

  • Patent number: 8784291
    Abstract: A cannula assembly, further comprising a cannula body for directing blood from the heart of a patient, having distal and proximal ends and a lumen therebetween. A tip coupled to the distal end of the body, the tip having an opening. A pump for drawing blood into the cannula assembly and dispensing the blood from the cannula assembly and into the patient circulatory system. The lumen of the cannula body further comprises a first inner diameter at the proximal end and a second inner diameter at the distal end, the first inner diameter being larger than the second inner diameter. A tapered portion defined as a decrease in inner diameter from the first inner diameter to the second inner diameter between the proximal and distal ends, the tapered portion configured to prevent cavitation of the blood within the cannula.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: July 22, 2014
    Assignee: Circulite, Inc.
    Inventors: Robert C. Farnan, Scott A. Olson, Elizabeth Jung, Andrew J. Dusbabeck, Robert G. Hudgins