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. 20, 1979
Filed:
Aug. 01, 1977
Applicant:
Inventor:
Donald P Stait, Steinmaur, CH;
Assignee:
Contraves AG, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
1282 / ; 128234 ;
Abstract
An apparatus for the detachable connection of an axially to-and-fro movable piston of a syringe with a piston rod or plunger, comprising at least two holder brackets arranged in mutually spaced relationship from one another at the piston plunger and formed of a spring wire, detachably secured with said piston plunger. Each holder bracket essentially comprises two respective axially extending webs and a connection element or piece arranged transversely with respect to said webs. The piston of the syringe possesses a headpiece formed as a substantially truncated cone and equipped with a contact edge engaged by said connection pieces.