| Patent Number |
Title Of Patent |
Date Issued |
| D399951 |
Injection apparatus |
October 20, 1998 |
|
| D349958 |
Needleless injector |
August 23, 1994 |
|
| 7547293 |
Triggering mechanism for needle-free injector |
June 16, 2009 |
| Needle-free hypodermic jet injection devices having an actuation system to effect an injection from a drug delivery system. The actuation system includes an injection force assembly adapted to transmit a driving force to the drug delivery system. The actuation system further includes a |
| 7442182 |
Spring powered needle-free injection system |
October 28, 2008 |
| A needle-free injection device, including a plunger and a spring operatively coupled with the plunger. The plunger is slidably disposed within a fluid chamber, is retractable to draw injectable fluid into the fluid chamber through an injection orifice, and may be advanced within the |
| 7238167 |
Needle-free injection system |
July 3, 2007 |
| A needle-free injection device is described. The injection device includes a user-grippable housing and a syringe assembly movably secured to the housing. The syringe assembly is configured to expel injectable fluid out of a nozzle upon application of pressurized gas to the syringe assem |
| 7156823 |
High workload needle-free injection system |
January 2, 2007 |
| A needle-free injection device is described. The injection device typically includes a system for providing directed and pre-selected pressure and a nozzle with an orifice for defining a stream of fluid that is directed toward the skin of a patient against which a front end of the no |
| 7131961 |
Needle-free injection system |
November 7, 2006 |
| A needle-free injection device capable of delivering pressurized injections to an injection site. The device may include a barrier dispenser configured to provide a disposable piece of barrier material for each injection, so as to reduce risk of cross-contamination. The device may al |
| 6935384 |
Needle-free injection system |
August 30, 2005 |
| A method and apparatus for providing high throughput injections is provided. The invention provides a filling device adapted to deliver injectate from a common reservoir to a plurality of disposable fluid injection assemblies and a reusable propulsion assembly adapted to receive a fi |
| 6883222 |
Drug cartridge assembly and method of manufacture |
April 26, 2005 |
| A method of manufacture for a drug cartridge assembly. The method includes providing a drug cartridge, providing a nozzle sub-assembly, and sterilizing the drug cartridge and nozzle sub-assembly. The method further includes assembling the drug cartridge and nozzle sub-assembly together i |
| 6783509 |
Single-use needle-less hypodermic jet injection apparatus and method |
August 31, 2004 |
| A needleless injector system including: a first injector assembly; a gas capsule disposed within the first injector assembly and containing pressurized gas, with a pierceable surface at the forward end thereof to provide an injection source; a gas capsule piercing member disposed within |
| 6752780 |
Intradermal injection system for injecting DNA-based injectables into humans |
June 22, 2004 |
| A system for injecting DNA-based medications into humans is provided by the present invention. The system includes a needle-free injector with an injection orifice of approximately 0.004 inches for supplying DNA-based medication at an initial pressure of from 3900 to 4300 psi, and then |
| 6689093 |
Single-use needle-less hypodermic jet injection apparatus and method |
February 10, 2004 |
| A gas-powered, single-use, needle-less hypodermic jet injection device (10, 210, 410) includes a hand-held injector (12, 212, 412), and a drug injection cartridge (14, 114, 414) which provides a volume of liquid medication to be injected, an injection orifice, and an injection piston. |
| 6648850 |
Durable needle-less jet injector apparatus and method |
November 18, 2003 |
| A gas-powered, durable, needle-less hypodermic jet injection device (10, 110) includes a hand-held injector (12, 112) which provides a volume of liquid medication to be injected, an injection orifice, and an injection piston. Forceful movement of the injection piston causes an injection |
| 6585685 |
Jet injector apparatus and method |
July 1, 2003 |
| A gas-powered, durable, needle-free hypodermic jet injection device includes a hand-held injector which carries a disposable injection cartridge with a volume of liquid medication to be injected in the form of a high velocity jet capable of penetrating the skin without the use of a h |
| 6572581 |
Ergonomic needle-less jet injection apparatus and method |
June 3, 2003 |
| A gas-powered, single-use, needle-less jet injection device (10, 210, 410) includes a hand-held injector (12, 212, 412), and a drug injection cartridge (14, 114, 414) which provides a volume of liquid medication to be injected, an injection orifice, and an injection piston. Forceful |
| 6264629 |
Single-use needle-less hypodermic jet injection apparatus and method |
July 24, 2001 |
| A gas-powered, single-use, needle-less hypodermic jet injection device includes a hand-held injector, and a drug injection cartridge which provides a cylinder of liquid medication to be injected, an injection orifice, and an injection piston. Forceful movement of the injection piston |
| 6132395 |
Needleless syringe with prefilled cartridge |
October 17, 2000 |
| A cartridge and nozzle assembly for use in a needless injection system is provided. The assembly includes: (1) a cartridge having a plunger disposed at a rearward end thereof, and including a throat at a forward portion thereof, with a displaceable outlet valve initially disposed within |
| 6096002 |
NGAS powered self-resetting needle-less hypodermic jet injection apparatus and method |
August 1, 2000 |
| A needle-less hypodermic jet injection device includes a hand-held injector, and a drug injection cartridge which provides a cylinder of liquid medication to be injected, an injection orifice, and an injection piston forceful movement of which in the cylinder causes an injection jet |
| 5993412 |
Injection apparatus |
November 30, 1999 |
| 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 |
| 5893397 |
Medication vial/syringe liquid-transfer apparatus |
April 13, 1999 |
| 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 |
| 5649912 |
Ampule filling device |
July 22, 1997 |
| An ampule filling device having an ampule for jet injection attached to a transfer apparatus having a housing, a barrier within the housing, and a push rod attached to the housing to drive the medication from a medication vial. Further, the ampule filling device is advantageously bulk st |
| 5520639 |
Needleless hypodermic injection methods and device |
May 28, 1996 |
| A needleless 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 |
| 5503627 |
Ampule for needleless injection |
April 2, 1996 |
| 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 a |
| 5466220 |
Drug vial mixing and transfer device |
November 14, 1995 |
| 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 |
| 5399163 |
Needleless hypodermic injection methods and device |
March 21, 1995 |
| A needleless 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 |
| 5383851 |
Needleless hypodermic injection device |
January 24, 1995 |
| 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 |
| 5312577 |
Method for manufacturing an ampule |
May 17, 1994 |
| A method and mold for making an ampule for a needleless or jet injector device. The tip of a core pin is guided into a clearance hole sufficiently large to prevent the tip from hitting the mold cavity. Plastic is injected into the mold and flows into the space between the core pin tip an |
| 5312335 |
Needleless hypodermic injection device |
May 17, 1994 |
| 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 a |
| 5064413 |
Needleless hypodermic injection device |
November 12, 1991 |
| 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 utilizi |
| 4941880 |
Pre-filled ampule and non-invasive hypodermic injection device assembly |
July 17, 1990 |
| 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-counti |
| 4940460 |
Patient-fillable and non-invasive hypodermic injection device assembly |
July 10, 1990 |
| The assembly includes an injection device which includes a housing having an ampule-receiving chamber, a gas charge, and means for delivering a predetermined amount of gas to the ampule-receiving chamber. The device includes an injection-counting ring which is received in a groove ex |
| 4790824 |
Non-invasive hypodermic injection device |
December 13, 1988 |
| 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 |
| 4596556 |
Hypodermic injection apparatus |
June 24, 1986 |
| 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 |
