초록 ▼

A pre-filled ampule and a powered, non-invasive injection device assembly wherein the device includes a housing having an ampule-receiving chamber, a gas charge, and means for delivering a predetermined amount of gas to an ampule-receiving chamber. The device includes an injection-counting ring whic

A pre-filled ampule and a powered, non-invasive injection device assembly wherein the device includes a housing having an ampule-receiving chamber, a gas charge, and means for delivering a predetermined amount of gas to an ampule-receiving chamber. The device includes an injection-counting ring which is received in a groove extending about the housing wherein the ring includes a counting mechanism thereon and is constructed to allow one-way only rotation thereof relative to the housing. The ampule includes an elongate ampule body having a medication holder located at one end thereof, a transfer area located adjacent the other end thereof and a bypass area located adjacent an end of the transfer area. A plunger is provided and has one end thereof received in and closing one end of the medication holder with the other end of the plunger being received in the ampule-receiving chamber of the injection device. A floating seal is received and encloses the other end of the medication holder. Orifice means are provided for forming a skin-piercing injection stream. Attachment means are provided for securing the ampule to the device.

대표청구항 ▼

An ampule for non-invasive injecting of medication comprising: an elongate ampule body having a plunger end and an orifice end, a medication holder-retaining area adjacent to said plunger end and a transfer area adjacent to said orifice end; an elongate medication holder formed from a non-absorbing,

An ampule for non-invasive injecting of medication comprising: an elongate ampule body having a plunger end and an orifice end, a medication holder-retaining area adjacent to said plunger end and a transfer area adjacent to said orifice end; an elongate medication holder formed from a non-absorbing, non-diffusing, non-reacting material received in said medication holder-retaining area and having a free, plunger-receiving end located adjacent said body plunger end; a plunger having one end thereof received in and closing one end of said medication holder plunger-receiving end; a floating seal received in and closing the other end of said medication holder; orifice means for forming a skin-piercing injection stream located at one end of said transfer area; a bypass area located adjacent said one end of said transfer area, said bypass area being constructed and arranged to provide passage for medication from said transfer area to said orifice means with said floating seal positioned therein; and attachment means for securing said ampule to an injection device.