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:
Nov. 25, 2008
Filed:
Mar. 18, 2004
Patrick Alexandre, Gray, FR;
Bernard Brouquieres, Toulon, FR;
David Desailly, Vert le Petit, FR;
Crossject, Paris, FR;
Abstract
The invention relates to a needleless injection device () comprising a body () which supports and/or defines a plurality of elements that form a circuit of elements. The aforementioned circuit comprises, from upstream towards downstream, an initiation device which is associated with a pyrotechnic gas generator, a receptacle () housing a liquid active agent that is to be injected, and an active agent injection system. According to the invention, the pyrotechnic gas generator comprises a pyrotechnic charge () which is placed in a combustion chamber (). The inventive device is characterised in that it comprises at least one device for regulating the gas pressure level in the combustion chamber ().