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:
Jun. 10, 2003
Filed:
Aug. 03, 2000
Marc Brunel, Toulouse, FR;
Sanofi-Synthelabo, Paris, FR;
Abstract
The invention concerns a single-use device for injecting a dose of a medicinal product, comprising a syringe ( ) and a piston rod ( ) provided with a collar ( ) housed in a casing formed of two parts, a front part ( ) and a rear part ( ), fitted inside each other and capable of sliding in relation to each other over a short traverse between two positions, a retracted position and a forward position. This device additionally includes means ( ) for supporting the collar ( ) of the piston rod ( ) arranged so as to permit, on the one hand, injection under the effect of a propulsion spring ( ) in the forward position of the parts ( ) of the casing and, on the other hand, backward movement of the syringe ( ) inside the casing, after injection, in the retracted position of the said parts of the casing. It also includes means ( ) for viewing the supporting means ( ) at the end of injection.