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:
Mar. 24, 1992
Filed:
Nov. 01, 1990
Applicant:
Inventor:
Philip N Sawyer, Brooklyn, NY (US);
Assignee:
Interface Biomedical Laboratories Corp., Brooklyn, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604247 ; 137843 ;
Abstract
A fluid flow control device of tubular means having fluid input means and fluid output means connected by a bore constituting a flow channel, means for maintaining the bore in a normally closed position, the bore being forcible to an open position in response to insertion of a medical device into the fluid input means and past the maintaining means, the maintaining means being constructed and arranged to return the bore to the closed position when the medical device is removed therefrom; and means for prevention of fluid reflux or blood from the fluid output means toward the fluid input means when the bore is in the open position.