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. 01, 1980
Filed:
Oct. 13, 1978
Applicant:
Inventor:
Donald J Bentley, Newport Beach, CA (US);
Assignee:
Bentley Laboratories, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
210 19 ; 210 / ; 210185 ; 210349 ; 2103 / ; 422 48 ;
Abstract
A method and apparatus for fluid transfer across a membrane wherein transfer fluid is passed through the interior of a wrapped, permeable, flattened, tubular membrane and fluid to be processed is passed through passageways formed between the wrappings of the tubular membrane. The exhaustion of transfer fluid begins at the completion of a process fluid pumping stroke and ends at the initiation of the pumping stroke. In a preferred embodiment the method and apparatus are utilized to oxygenate blood.