Needleless syringe with two injection speed levels

Details Needleless syringe with two injection speed levels Needleless syringe with two injection speed levels

2005-09-13

2005-09-13

Kennedy, Sharon (Department: 3762)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S069000, C604S072000

Reexamination Certificate

active

06942645

ABSTRACT:
A needleless syringe for injecting a liquid active principle. The syringe improves bioavailability by providing injection at two speed levels. The syringe includes a reservoir contained between an injector and push means subjected to the action of a gas generator. The push means including an end, directed towards the active principle, which forms a delivery head whereof the cross-section is smaller than the powering head cross-section, and the powering travel in the power cylinder is less than the height of the active principle reservoir.

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