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:
Jun. 27, 1989
Filed:
May. 01, 1987
Applicant:
Inventor:
John Pastrone, Los Gatos, CA (US);
Assignee:
Abbott Laboratories, Abbott Park, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 50 ; 604153 ;
Abstract
This invention relates to a disposable cassette having a pumping chamber therein and with a controlled positive displacing pump driving apparatus for use with the cassette, for performing intravenous or intra-arterial infusions. More particularly, it pertains to disposable cassettes which include an exposed flexible diaphragm forming one wall of the pump chamber and adapted to be engaged by a plunger or piston member driven and controlled by the driver apparatus to pump fluid through the cassette.