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:
May. 31, 1994
Filed:
Feb. 01, 1993
Terumo Kabushiki Kaisha, Tokyo, JP;
Abstract
Disclosed is a blood pump apparatus for blood components, comprising a housing forming a substantially cylindrical liquid chamber, an inlet port formed at an upper central portion of the housing and communicating with a source of blood component and the chamber, an outlet port formed in a peripheral portion of the housing and communicating with the chamber, a rotator arranged in the chamber and having an upper cover and a lower shroud, a lower surface of the upper cover being inclined such that an angle .theta. formed by the lower surface of the cover and a central axis of the inlet port is an obtuse angle, and a plurality of grooves being formed radially in the upper surface of the shroud, a projection formed at an upper central portion of the shroud and located immediately below the inlet port, bearing rotatably supporting the rotator with respect to the housing, motor for applying a rotational force to the rotator, and a plurality of liquid paths radially formed between the upper cover and the shroud to substantially uniformly distribute blood from a central portion of the rotator to a peripheral portion thereof. Each of the paths has a cross sectional area substantially constant over the entire length region or gradually diminishing in one direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile