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:
Jul. 08, 1986
Filed:
May. 21, 1985
Applicant:
Inventors:
Michio Kanno, Saitama, JP;
Atsuhiko Nogawa, Ninomiya, JP;
Assignee:
Terumo Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ; A61M / ;
U.S. Cl.
CPC ...
137406 ; 73299 ; 128D / ; 128D / ; 340611 ; 340614 ; 340626 ; 422 45 ; 604 65 ; 604 67 ; 604118 ; 604245 ;
Abstract
In combination with a blood reservoir, a blood volume detecting apparatus is used to ensure safe operation of the reservoir which includes a conduit in fluid communication with a lower part of said blood reservoir, a diaphragm associated with the other end of the conduit and movable by a differential hydraulic pressure applied by the blood through the conduit, and means for detecting the swelling and contracting movement of the diaphragm.