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. 06, 2001
Filed:
Jul. 09, 1999
Applicant:
Inventors:
Roland Gerlach, Guxhagen, DE;
Josef Hannappel, Pulheim, DE;
Juergen Reuter, Alheim, DE;
Dorothea Rohrmann, Langerwehe, DE;
Assignee:
CareMed Medical Produkte AG, Dresden, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/00 ;
U.S. Cl.
CPC ...
A61M 5/00 ;
Abstract
The check valve comprises an inlet duct (,) , an outlet duct (,) and a valve chamber (,) arranged between them. The valve chamber (,) is permanently connected with the inlet duct (,) via openings (,). On a blind duct (,) a valve member (,) is mounted which is made up of a flexible inherently stable hose. The valve member (,) extends into the outlet duct (,) and contacts the inner surface of the outlet duct. At a pressure exceeding the opening pressure of the valve the valve member (,) is lifted off the inner surface of the outlet duct (,).