WO2003035148A3 - Engine and diffuser for use with a needle-less injector - Google Patents

Engine and diffuser for use with a needle-less injector Download PDF

Info

Publication number
WO2003035148A3
WO2003035148A3 PCT/US2002/031194 US0231194W WO03035148A3 WO 2003035148 A3 WO2003035148 A3 WO 2003035148A3 US 0231194 W US0231194 W US 0231194W WO 03035148 A3 WO03035148 A3 WO 03035148A3
Authority
WO
WIPO (PCT)
Prior art keywords
engine
housing
driver
diffuser
fluid
Prior art date
Application number
PCT/US2002/031194
Other languages
French (fr)
Other versions
WO2003035148A2 (en
Inventor
Thomas P Castellano
Original Assignee
Penjet Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Penjet Corp filed Critical Penjet Corp
Publication of WO2003035148A2 publication Critical patent/WO2003035148A2/en
Publication of WO2003035148A3 publication Critical patent/WO2003035148A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2073—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically preventing premature release, e.g. by making use of a safety lock
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M5/2053—Media being expelled from injector by pressurised fluid or vacuum

Abstract

A needle-less injector (100) suitable for injecting fluid through a surface includes a housing (201), a driver (400, 500), an engine (101) and a trigger (800). The housing (201) contains a fluid and the engine contains a compressed gas. Upon application of sufficient force to the trigger (800), the compressed gas is released from the engine forcing the driver (400, 500) through the interior of the housing (201), expelling the fluid from the housing at a speed sufficient to pierce an injection surface. An aerodynamic diffuser (600) maximizes air flow to the driver, allowing greater injection speed and mitigating pain associated with receiving an injection. Use of the injector is both silent and easy to activate, owing to an 0ring included about the circumference of the exterior of a diffuser operating within the engine. Further, the engine (101) has safety features preventing a portion thereof from separating from the device under elevated temperatures and similar conditions. Engine leakage is obviated by the inclusion of a leakage ring therein.
PCT/US2002/031194 2001-10-22 2002-09-30 Engine and diffuser for use with a needle-less injector WO2003035148A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/086,374 2001-10-22
US10/086,374 US6824526B2 (en) 2001-10-22 2001-10-22 Engine and diffuser for use with a needle-less injector

Publications (2)

Publication Number Publication Date
WO2003035148A2 WO2003035148A2 (en) 2003-05-01
WO2003035148A3 true WO2003035148A3 (en) 2003-11-06

Family

ID=22198148

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/031194 WO2003035148A2 (en) 2001-10-22 2002-09-30 Engine and diffuser for use with a needle-less injector

Country Status (2)

Country Link
US (1) US6824526B2 (en)
WO (1) WO2003035148A2 (en)

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US20050192530A1 (en) * 2001-04-13 2005-09-01 Penjet Corporation Method and apparatus for needle-less injection with a degassed fluid
GB0206560D0 (en) * 2002-03-20 2002-05-01 Glaxo Group Ltd Novel device
JP4610567B2 (en) 2003-12-05 2011-01-12 ゾゲニクス インコーポレーティッド Needleless syringe delivery preparation device
JP4904283B2 (en) * 2004-12-01 2012-03-28 アキュショット インク Needleless syringe
US20070055199A1 (en) 2005-08-10 2007-03-08 Gilbert Scott J Drug delivery device for buccal and aural applications and other areas of the body difficult to access
JP2011521744A (en) * 2008-05-30 2011-07-28 アラーガン、インコーポレイテッド Injection device for injecting soft tissue enhancing fillers, bioactive agents and other biocompatible materials in liquid or gel form
CA2743583C (en) 2008-12-02 2016-11-15 Allergan, Inc. Injection device
US20110137260A1 (en) 2009-12-07 2011-06-09 Allergan, Inc. Slotted syringe
ES2587180T3 (en) 2010-05-19 2016-10-21 Allergan, Inc. Modular injection device
US8603028B2 (en) 2011-11-18 2013-12-10 Allergan, Inc. Injection device having an angled tip portion
CN102772839B (en) * 2012-08-06 2013-10-16 安徽理工大学 Auxiliary injection device of needleless injector
WO2014028463A1 (en) 2012-08-14 2014-02-20 Allergan, Inc. Syringe for mixing and dispensing adipose tissue
US20140257204A1 (en) * 2013-03-05 2014-09-11 Stuart Robert Lessin Apparatus for reconstituting and dispensing drugs for topical application
US20140350518A1 (en) 2013-05-23 2014-11-27 Allergan, Inc. Syringe extrusion accessory
US20140350516A1 (en) 2013-05-23 2014-11-27 Allergan, Inc. Mechanical syringe accessory
GB2519970B (en) * 2013-11-01 2017-06-14 Consort Medical Plc Medicament delivery device sub-assembly
US10029048B2 (en) 2014-05-13 2018-07-24 Allergan, Inc. High force injection devices
US10226585B2 (en) 2014-10-01 2019-03-12 Allergan, Inc. Devices for injection and dosing
BR112017019272A2 (en) 2015-03-10 2018-05-02 Allergan Pharmaceuticals Holdings Ireland Unlimited Company multiple needle injector
CA3020146A1 (en) 2016-04-08 2017-10-12 Allergan, Inc. Aspiration and injection device
USD867582S1 (en) 2017-03-24 2019-11-19 Allergan, Inc. Syringe device

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Also Published As

Publication number Publication date
US20030078535A1 (en) 2003-04-24
WO2003035148A2 (en) 2003-05-01
US6824526B2 (en) 2004-11-30

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