초록 ▼

A non-invasive hypodermic injection device includes a two-stage gas delivery system and a medication containing ampule having a truncated hypodermic needle at one end thereof. An ampule shroud encloses the ampule and maintains separation between the truncated hypodermic needle on the ampule and the

A non-invasive hypodermic injection device includes a two-stage gas delivery system and a medication containing ampule having a truncated hypodermic needle at one end thereof. An ampule shroud encloses the ampule and maintains separation between the truncated hypodermic needle on the ampule and the skin of a patient being injected.

대표청구항 ▼

A non-invasive hypodermic injection device, means having a gas charge therein, for injecting a medication through a patient\s skin, comprising: a body including: a first chamber containing the charge; a valve chamber having an exhaust port and a normally closed valve closing said port, said valve ch

A non-invasive hypodermic injection device, means having a gas charge therein, for injecting a medication through a patient\s skin, comprising: a body including: a first chamber containing the charge; a valve chamber having an exhaust port and a normally closed valve closing said port, said valve chamber being constructed and arranged to contain the gas charge when same is released from the first chamber and said valve is in its normally closed condition; a piston chamber operably connected to said port and having a moveable piston therein; and actuator means for opening said valve, said valve, when open, allowing gas to flow from said valve chamber, through said port, to said piston chamber thereby displacing said piston; a medication containing ampule including a reservoir for retaining a supply of medication, orifice means located on and extending beyond one end of said reservoir, said orifice means having a passage therein for allowing transit of the medication therethrough, and plunger means, received in siad reservoir, moveable from adjacent the other end of said reservoir towards said orifice means, and including co-action means for moving said plunger with said piston; and an ampule shroud having an ampule chamber therein for receiving said ampule, said ampule shroud enclosing said ampule, said shroud defining an opening for receiving therein said orifice means, said shroud and said opening being constructed and arranged to maintain a spaced apart relationship between the patient\s skin and said orifice means during the course of an injection when said shroud is placed against the patient\s skin.