The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 1997
Filed:
Feb. 23, 1995
Applicant:
Inventors:
Leland Witherspoon, Chino Hills, CA (US);
Gerald D Buckberg, Los Angeles, CA (US);
Paul Akopian, Glendale, CA (US);
Assignee:
Sorin Biomedical Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604-4 ; 128D / ; 604 67 ;
Abstract
A cardioplegia delivery device for providing variable ratio delivery of blood and cardioplegia solution to a patient. The device includes separate pumps for crystalloid and blood. A heat exchanger control circuit is provided which includes a heater and an ice bath for warming or cooling the cardioplegia fluid delivered to the patient. The heat exchanger control circuit includes a priming circuit which may be used to purge air bubbles from the circuit.