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:
Sep. 04, 1984
Filed:
Jul. 26, 1982
Applicant:
Inventors:
Rokus C Lissenburg, Eindhoven, NL;
Paulus R Kamstra, Olst, NL;
Assignee:
Duphar International Research B.V., Weesp, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604187 ; 604238 ; 128765 ;
Abstract
The invention relates to a disposable syringe comprising a barrel in which a piston is provided and to which a needle is or can be connected to the front, a stopper being present in the barrel between piston and needle or needle connection means. The inner wall of the barrel is locally deformed between stopper and needle or needle connection so that at the area of the deformation injection liquid can reach the cannula past the stopper and during nurse-aspiration the stopper is held, in which body fluid can reach the part of the barrel present behind the stopper.