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:
Feb. 19, 1991
Filed:
Aug. 15, 1989
Applicant:
Inventor:
Ryohei Yozu, Yokohama, JP;
Assignee:
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
600 16 ;
Abstract
A circulation apparatus with a compact construction and high reliability comprising a ring-shaped support frame which has a joint which can be connected in the vascular system and turbine blades mounted on the support frame which can be rotated by a drive source, thereby attaining an easy installation thereof on the heart without exerting pressure on other organs and without causing thrombus.