One form of the invention provides a needle-free injection system including the following components: a nozzle portion having a glass wall defining a drug storage space, and an injection wall defining a drug injection space, the injection wall being coaxial with the glass wall and defining a plurality...http://www.google.fr/patents/US20020123717?utm_source=gb-gplus-shareBrevet US20020123717 - DISPOSABLE NEEDLE-FREE INJECTION APPARATUS AND METHOD
DISPOSABLE NEEDLE-FREE INJECTION APPARATUS AND METHOD
Numéro de demande: 09/799,787 Numéro de publication: US 2002/0123717 A1 Date de dépôt: 5 mars 2001 Brevet délivré: US6471669 ( Date de délivrance 29 oct. 2002)
