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, 2013
Filed:
Jun. 15, 2010
Applicant:
Bernd Kuhn, Frankfurt am Main, DE;
Inventor:
Bernd Kuhn, Frankfurt am Main, DE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a two-chamber syringe device comprising a cylinder element (), a closure element (), two plungers () and () and optionally an intermediate plunger (), wherein one or more fluid-tight, gas-permeable membranes () and optionally valve membranes () are arranged in the wall of the cylinder element () or in the closure element (), allowing gas in the chambers to escape from the cylinder element () when the plungers (), () and () are displaced in the distal direction.