CA2239515C - Injecteur sans aiguille a ressort - Google Patents

Injecteur sans aiguille a ressort Download PDF

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Publication number
CA2239515C
CA2239515C CA 2239515 CA2239515A CA2239515C CA 2239515 C CA2239515 C CA 2239515C CA 2239515 CA2239515 CA 2239515 CA 2239515 A CA2239515 A CA 2239515A CA 2239515 C CA2239515 C CA 2239515C
Authority
CA
Canada
Prior art keywords
vial
piston
power
force
spring
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA 2239515
Other languages
English (en)
Other versions
CA2239515A1 (fr
Inventor
Jerald C. Umbaugh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GENESIS MEDICAL TECHNOLOGIES Inc
Original Assignee
GENESIS MEDICAL TECHNOLOGIES Inc
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 GENESIS MEDICAL TECHNOLOGIES Inc filed Critical GENESIS MEDICAL TECHNOLOGIES Inc
Publication of CA2239515A1 publication Critical patent/CA2239515A1/fr
Application granted granted Critical
Publication of CA2239515C publication Critical patent/CA2239515C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31545—Setting modes for dosing
    • A61M5/31548—Mechanically operated dose setting member
    • A61M5/3156—Mechanically operated dose setting member using volume steps only adjustable in discrete intervals, i.e. individually distinct intervals
    • 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
    • A61M5/31—Details
    • A61M2005/3103—Leak prevention means for distal end of syringes, i.e. syringe end for mounting a needle
    • 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
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31545—Setting modes for dosing
    • A61M5/31548—Mechanically operated dose setting member
    • A61M5/31555—Mechanically operated dose setting member by purely axial movement of dose setting member, e.g. during setting or filling of a syringe
    • 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
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
    • A61M5/31578—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod
    • A61M5/3158—Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod performed by axially moving actuator operated by user, e.g. an injection button
    • 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
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/3159—Dose expelling manners
    • A61M5/31593—Multi-dose, i.e. individually set dose repeatedly administered from the same medicament reservoir

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

La présente invention concerne un injecteur hypodermique (100) sans aiguille servant à injecter un médicament à travers la peau d'un patient. Cet injecteur est pourvu d'un réservoir (102) qui renferme un volume de médication liquide. Un mécanisme à moteur applique une force au piston du réservoir.
CA 2239515 1997-08-12 1997-08-12 Injecteur sans aiguille a ressort Expired - Fee Related CA2239515C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1997/013964 WO1999007435A1 (fr) 1997-08-12 1997-08-12 Injecteur hypodermique sans aiguille actionne par ressort

Publications (2)

Publication Number Publication Date
CA2239515A1 CA2239515A1 (fr) 1999-02-12
CA2239515C true CA2239515C (fr) 2006-09-05

Family

ID=22261410

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2239515 Expired - Fee Related CA2239515C (fr) 1997-08-12 1997-08-12 Injecteur sans aiguille a ressort

Country Status (3)

Country Link
AU (1) AU4056497A (fr)
CA (1) CA2239515C (fr)
WO (1) WO1999007435A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8221347B2 (en) 2004-12-01 2012-07-17 Acushot, Inc. Needle-free injector

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19913344C1 (de) * 1999-03-24 2000-08-24 Deutscher Zahnarzt Verlag Dzv Nadelloses Injektionsgerät
US6689092B2 (en) 2000-03-03 2004-02-10 Boehringer International Gmbh Needle-less injector of miniature type
ATE424228T1 (de) 2004-03-26 2009-03-15 Unomedical As Infusionsset
JP4964141B2 (ja) 2004-12-10 2012-06-27 ウノメディカル アクティーゼルスカブ 挿入具
US7985199B2 (en) 2005-03-17 2011-07-26 Unomedical A/S Gateway system
EP1762259B1 (fr) 2005-09-12 2010-09-08 Unomedical A/S Inserteur pour un équipement d'infusion avec une première et deuxieme unités de ressort
PL1962926T3 (pl) 2005-12-23 2009-10-30 Unomedical As Urządzenie wstrzykujące
WO2007098771A2 (fr) 2006-02-28 2007-09-07 Unomedical A/S dispositif d'introduction pour pièce de perfusion et pièce de perfusion pourvue d'un protège-aiguille
US8439838B2 (en) 2006-06-07 2013-05-14 Unomedical A/S Inserter for transcutaneous sensor
MX2008015247A (es) 2006-06-09 2008-12-15 Unomedical As Almohadilla de montaje.
RU2443436C2 (ru) 2006-08-02 2012-02-27 Уномедикал А/С Канюльное и доставочное устройство
EP1917990A1 (fr) 2006-10-31 2008-05-07 Unomedical A/S Ensemble de perfusion
MX2009013207A (es) 2007-06-20 2010-01-25 Unomedical As Un cateter y un metodo y un aparato para fabricar tal cateter.
EP2185224A1 (fr) 2007-07-03 2010-05-19 Unomedical A/S Dispositif d'introduction présentant deux états d'équilibre stables
PL2173410T3 (pl) 2007-07-10 2011-09-30 Unomedical As Wprowadzacz posiadający dwie sprężyny
NZ582226A (en) 2007-07-18 2011-12-22 Unomedical As Insertion device with a pivoting action from a first to a second position and longitudinal action to a third position in the direction of insertion.
DK2252349T3 (da) 2008-02-13 2011-10-10 Unomedical As Forsegling mellem en kanyledel og en væskebane
AU2009216703A1 (en) 2008-02-20 2009-08-27 Unomedical A/S Insertion device with horizontally moving part
JP2012513224A (ja) 2008-12-22 2012-06-14 ウノメディカル アクティーゼルスカブ 接着剤パッドを含む医療デバイス
US8562567B2 (en) 2009-07-30 2013-10-22 Unomedical A/S Inserter device with horizontal moving part
EP2461853B1 (fr) 2009-08-07 2016-03-30 Unomedical A/S Dispositif d'administration doté d'un capteur et d'une ou plusieurs canules
KR20130018783A (ko) 2010-03-30 2013-02-25 우노메디컬 에이/에스 의료기구
EP2433663A1 (fr) 2010-09-27 2012-03-28 Unomedical A/S Système d'insertion
EP2436412A1 (fr) 2010-10-04 2012-04-04 Unomedical A/S Canule d'arroseur
US11197689B2 (en) 2011-10-05 2021-12-14 Unomedical A/S Inserter for simultaneous insertion of multiple transcutaneous parts
EP2583715A1 (fr) 2011-10-19 2013-04-24 Unomedical A/S Système de tube de perfusion et procédé de fabrication
US9440051B2 (en) 2011-10-27 2016-09-13 Unomedical A/S Inserter for a multiplicity of subcutaneous parts

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124024A (en) * 1977-03-03 1978-11-07 Schwebel Paul R Disposable hypodermic injection ampule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8221347B2 (en) 2004-12-01 2012-07-17 Acushot, Inc. Needle-free injector

Also Published As

Publication number Publication date
CA2239515A1 (fr) 1999-02-12
AU4056497A (en) 1999-03-01
WO1999007435A1 (fr) 1999-02-18

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