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:
Aug. 22, 1995
Filed:
Nov. 17, 1993
Applicant:
Inventors:
Arthur S Chapman, Solvang, CA (US);
Tsuyoshi Tsuji, Ohmiya, JP;
Assignee:
Baxter International Inc., Deerfield, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ; F04B / ; F04B / ; F04B / ;
U.S. Cl.
CPC ...
604153 ; 417475 ; 4174771 ;
Abstract
A compact pump assembly includes a plurality of axially aligned peristaltic pumps for activating the flow of liquids through the conduits. A housing containing the pumps, is provided with a removable cover for retaining the pumps in the housing when the cover is closed and for permitting removal of the pumps when the cover is opened. A reversible motor is mounted outside of the housing for driving each of the pumps. The pumps may be independently inactivated by an individual release mechanisms provided on the common closure cover.