Needleless syringe for the delivery of therapeutic agents

Details Needleless syringe for the delivery of therapeutic agents Needleless syringe for the delivery of therapeutic agents

2008-01-22

2008-01-22

Sirmons, Kevin C. (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

C604S069000

Reexamination Certificate

active

07320677

ABSTRACT:
A needleless syringe for subcutaneously delivering a therapeutic agent comprising a generally constant diameter elongate tubular nozzle and an inert gas reservoir thereto is described herein. The reservoir is advantageously mounted to the upstream end of the tubular nozzle through a contraction that is either gradual or sudden and wherein a membrane is positioned between the reservoir and the therapeutic agent.

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Kendall, et al., “The Gas-particle Dynamics of a High-Speed Needle-free Drug Delivery System,”22ndInternational Symposium on Shock Waves, pp. 605-610 (1999).

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