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:
Apr. 29, 2003
Filed:
Jun. 02, 2000
Applicant:
Inventors:
Steven Kenneth Hunley, Loveland, CO (US);
Rainer Harald Koenig, Denver, CO (US);
Assignee:
Cobe Cardiovascular, Inc., Arvada, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 3/700 ; B01D 3/5153 ; B01D 6/100 ; C02F 1/00 ; A61B 5/00 ;
U.S. Cl.
CPC ...
A61M 3/700 ; B01D 3/5153 ; B01D 6/100 ; C02F 1/00 ; A61B 5/00 ;
Abstract
Accurate measurement of hematocrit during blood recovery or plasma sequestration processes by means of algorithms to account for the presence of air or other non-blood substances in salvaged or separated blood is described. A method of automatic start-up of the hematocrit measurement circuit and a method of determining the minimum volume of blood required to obtain an accurate measurement of the hematocrit also is described.