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:
Apr. 08, 1986
Filed:
Sep. 28, 1984
Yasushi Joh, Yokohama, JP;
Nippon Zeon Co., Ltd., Tokyo, JP;
Abstract
The present invention relates to an artificial heart which comprises a housing, a brim forming a cover of the said housing, a blood introduction pipe and a blood discharge pipe which are incorporated as one piece with the said brim, a blood introduction valve and a blood discharge valve, respectively fitted to the said blood introduction pipe and the said blood discharge pipe and a blood chamber connected to the said brim and communicated with the said blood introduction pipe and the said blood discharge pipe. In the present invention, the said brim is designed to be elastically deformable in accordance with pulsation of the said blood chamber so as to lighten the burdens of the said blood introduction valve and the said blood discharge valve.