1
J Thomas Morrow, Eugene C Covey: Hypodermic injection apparatus. Bioject, Kolisch Hartwell & Dickinson, June 24, 1986: US04596556 (389 worldwide citation)

The present invention provides a pressure-operated hypodermic injection apparatus which is particularly suitable for needleless operation. The apparatus includes an elongate shell having an inwardly facing wall with a uniform configuration along a defined length thereof, with the shell further defin ...


2
Charles N McKinnon Jr, Steven F Peterson, Paul E Smith, Takaaki Nakagawa, Victor L Bartholomew: Needleless hypodermic injection device. Bioject, Lyon & Lyon, January 24, 1995: US05383851 (375 worldwide citation)

A needless injection device includes an initiator valve controlling flow of compressed gas into a reservoir. A poppet valve connecting to the reservoir has a gas pressure regulation end to regulate flow from the initiator valve into the reservoir. A clamp piston is driven forward by gas pressure fro ...


3
Marvin Burns: Pre-filled ampule and non-invasive hypodermic injection device assembly. Bioject, Lyon & Lyon, July 17, 1990: US04941880 (357 worldwide citation)

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 ...


4
J Thomas Morrow, Marvin Burns: Non-invasive hypodermic injection device. Bioject, Kolisch Hartwell & Dickenson, December 13, 1988: US04790824 (340 worldwide citation)

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 ...


5
Charles M McKinnon, Takaaki Nakagawa, Carl E Wilcox: Needleless hypodermic injection device. Bioject, Lyon & Lyon, November 12, 1991: US05064413 (320 worldwide citation)

A needleless injection device has a housing containing a pilot valve connectable to a compressed gas source. A main valve is operatively connected to the pilot valve. The pilot valve and main valve form a two-stage valve with the pilot valve activatable to open the main valve utilizing gas pressure. ...


6
Charles M McKinnon, Takaaki Nakagawa, Carl E Wilcox: Needleless hypodermic injection device. Bioject, Lyon & Lyon, May 17, 1994: US05312335 (313 worldwide citation)

A needleless injection device has a housing containing a pilot valve connectable to a compressed gas source. A two stage power amplifying valve includes a main valve operatively connected to the pilot valve. The pilot valve and main valve form a two-stage valve with the pilot valve activatable to op ...


7
Steven F Peterson, Michael F Deily: Medication vial/syringe liquid-transfer apparatus. Bioject, Kolisch Hartwell Dickinson McCormack & Heuser, April 13, 1999: US05893397 (251 worldwide citation)

Liquid-transfer apparatus, and methodology employing the same, operatively interposable a syringe and a vial, and accommodating both a single-mouth-size (single-size), two-vial transfer procedure, and a two-mouth-size (two-size), two-vial transfer procedure. The apparatus includes a liquid-transfer ...


8
Rodney Brenneman: Drug vial mixing and transfer device. Bioject, Lyon & Lyon, November 14, 1995: US05466220 (248 worldwide citation)

A drug vial mixing and transfer device having a piercing connector or a syringe attached to the end of one or more ports with interconnecting fluid passageways. Further, the piercing connector is used to support and penetrate standard glass drug vials filled with powder or lyophilized drugs or liqui ...


9
Charles M McKinnon, Takaaki Nakagawa, Carl E Wilcox: Ampule for needleless injection. Bioject, Lyon & Lyon, April 2, 1996: US05503627 (240 worldwide citation)

A needleless injection device has a housing containing a pilot valve connectable to a compressed gas source. A two stage power amplifying valve includes a main valve operatively connected to the pilot valve. The pilot valve and main valve form a two-stage valve with the pilot valve activatable to op ...


10
Michael F Deily, James J Bunch, Thomas J Drach, James M Bonicatto: Injection apparatus. Bioject, Kolisch Hartwell Dickinson McCormack & Heuser, November 30, 1999: US05993412 (239 worldwide citation)

The present invention typically is in the form of a needleless injector which includes the following components: (1) a needleless syringe installed in the injector for holding medication prior to injection, the syringe including an injection aperture at the forward end thereof; (2) a syringe plunger ...