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:
Dec. 23, 2003
Filed:
May. 01, 2002
Patrick Alexandre, Gray, FR;
Bernard Brouquieres, Toulon, FR;
Philippe Gautier, Le Plessis Pate, FR;
Denis Roller, La Ferte Alais, FR;
CrossJect, Paris, FR;
Abstract
The invention concerns the field of needless syringe for injecting liquid active principle for therapeutic purposes. It concerns a syringe wherein the active principle ( ) is initially placed between an injector ( ) comprising at least an injection duct ( ) contacted with the skin and a mobile wall ( ) separated from thrusting means ( ) displaced by gases of propellant generator ( ) pressurising and expelling the active principle. Said syringe aims at quickly providing a high expelling speed of the liquid to efficiently perforate the skin and improve bioavailability. Said syringe is characterised in that said thrusting means ( ) comprising temporary retention device ( ) deactivated by the operation of the propellant generator ( ).