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:
Jul. 19, 2011
Filed:
Sep. 20, 2005
Patrick Alexandre, Gray, FR;
Bernard Brouquieres, Toulon, FR;
Philippe Gautier, Le Plessis Pate, FR;
Christiane Reynaud, Mennecy, FR;
Patrick Alexandre, Gray, FR;
Bernard Brouquieres, Toulon, FR;
Philippe Gautier, Le Plessis Pate, FR;
Christiane Reynaud, Mennecy, FR;
Crossject, Paris, FR;
Abstract
A needleless injection device used for intradermal, subcutaneous and intramuscular injections is disclosed. The device includes a pyrotechnic gas generator, at least one piston, a reserve of liquid active principle and an injection nozzle. The generator includes a pyrotechnic charge composed of a central energetic material that is surrounded by a second peripheral energetic material. The entire outer surface of the central energetic material contacts the inner surface of the peripheral energetic material. The two energetic materials have different rates of combustion.