초록 ▼

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 aligned with the glass wall and defining a plurali

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 aligned with the glass wall and defining a plurality of drug bypass conduits disposed adjacent a forward end of the drug injection space; an injection orifice defined at the forward end of the injection space; a drug plunger defining a rearward end of the storage space; a portion of dried drug initially disposed between the storage space and the injection space, and being displaceable into the injection space adjacent the bypass conduits; and a pierceable gas cartridge for providing injection power to the drug plunger.

대표청구항 ▼

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 aligned with the glass wall and defining a plurali

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 aligned with the glass wall and defining a plurality of drug bypass conduits disposed adjacent a forward end of the drug injection space; an injection orifice defined at the forward end of the injection space; a drug plunger defining a rearward end of the storage space; a portion of dried drug initially disposed between the storage space and the injection space, and being displaceable into the injection space adjacent the bypass conduits; and a pierceable gas cartridge for providing injection power to the drug plunger. e Fluoride Fresnel Zone Plates, in J. Acoust. Soc. Am., vol. 96, No. 3, pp. 1627-1633 (1994). Swartz, Robert G. and Plummer, James D., Integrated Silicon-PVF2 Acoustic Transducer Arrays, in IEEE Transactions on Electron Devices, vol. ED-26, No. 12, pp. 1921-1931 (1979). Waller, D. and Safari, A., Corona Poling of PZT Ceramics and Flexible Piezoelectric Composites, in Ferroelectrics, vol. 87, pp. 189-195 (1988). Sleva, Michael Z.; Briggs, Ronald D.; and Hunt, William D., A Micromachined Poly(vinylidene Fluoride-trifluoroethylene) Transducer for Pulse-Echo Ultrasound Applications, in IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 43, No. 2, pp. 257-262, Mar. 1996.