Injection device and propulsion system therefor

Details Injection device and propulsion system therefor Injection device and propulsion system therefor

A - Human Necessities

61

M

A61M 5/30 (2006.01) A61M 5/20 (2006.01) A61M 5/24 (2006.01) A61M 5/48 (2006.01)

Patent

CA 2395349

A propulsion system suitable for a single-use or a multi-use needleless injection device comprises a container and a source of potential energy for propelling a fluid (2) with sufficient pressure through an orifice to create a jet enabling subcutaneous or intracutaneous delivery of the fluid, the source of potential energy primarily in the form of a compressible substance (7) under pressure within the container. The compressible substance is preferably a polysiloxane or vulcanised silicon rubber.

L'invention concerne un système de propulsion convenant à un dispositif d'injection sans aiguille à usage unique ou à usage multiple. Le système comprend un récipient et une source d'énergie potentielle conçue pour expulser un fluide (2) à travers un orifice avec une pression suffisante pour créer un jet permettant l'administration sous-cutanée ou intracutanée d'un fluide. La source d'énergie potentielle est principalement sous la forme d'une substance compressible (7), sous pression dans le récipient. La substance compressible est, de préférence, un caoutchouc siliconé polysiloxane ou vulcanisé.

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