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. 05, 2005
Filed:
Nov. 23, 2000
Patrick Alexandre, Gray, FR;
Guy Delannoy, Saint Medard en Jalles, FR;
Philippe Gautier, Le Plessis Pate, FR;
Denis Roller, La Ferte Alais, FR;
Patrick Alexandre, Gray, FR;
Guy Delannoy, Saint Medard en Jalles, FR;
Philippe Gautier, Le Plessis Pate, FR;
Denis Roller, La Ferte Alais, FR;
Crossject, Paris, FR;
Abstract
The invention relates to a needleless syringe (), comprising the following' successively: a gas generator, a gas expansion chamber (), a means for retaining particles of the active agent and a tube () for ejecting said particles. The main characteristic of the inventive syringe is that the gas generator is a pyrotechnic generator (), comprising a pyrotechnic charge () which generates gas, a gas generator and an initiation device. The invention is also characterized in that the retaining means comprise at least one lid (), which is fixed to the ejection tube and is configured to break under the influence of the gases generated by the combustion of said charge ().