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:
Oct. 06, 1992
Filed:
Apr. 09, 1992
Applicant:
Inventor:
Shigeru Okada, Fujinomiya, JP;
Assignee:
Terumo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417474 ; 604153 ;
Abstract
A transfusion pump includes a housing disposed to oppose a tube filled with a liquid to be supplied, a plurality of fingers mounted on the housing along a liquid supply direction to urge the tube, a drive shaft for pivotally reciprocally supporting the tube in a direction to urging the tube, cams engaged with the fingers rotatably supported by the drive shaft, a drive motor for sequentially driving the cams so that the fingers which are engaged with the corresponding cams sequentially urge the tube in the liquid supply direction, and a biasing member, arranged to be engaged with the fingers, for biasing the fingers to be in contact with the corresponding cams.