CA2845362C - Auto-injector for retractable prefilled syringe - Google Patents

Auto-injector for retractable prefilled syringe Download PDF

Info

Publication number
CA2845362C
CA2845362C CA2845362A CA2845362A CA2845362C CA 2845362 C CA2845362 C CA 2845362C CA 2845362 A CA2845362 A CA 2845362A CA 2845362 A CA2845362 A CA 2845362A CA 2845362 C CA2845362 C CA 2845362C
Authority
CA
Canada
Prior art keywords
actuation
pill
housing
plunger
needle
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
CA2845362A
Other languages
English (en)
French (fr)
Other versions
CA2845362A1 (en
Inventor
Katlin M. Adlon
Philip A. Weaver
Joseph Hermes Kaal
Christopher Charles Rafferty
Craig Stephen Thorley
Joel M. Ondrejickla
Original Assignee
Unitract Syringe Pty Ltd
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 Unitract Syringe Pty Ltd filed Critical Unitract Syringe Pty Ltd
Publication of CA2845362A1 publication Critical patent/CA2845362A1/en
Application granted granted Critical
Publication of CA2845362C publication Critical patent/CA2845362C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3234—Fully automatic needle retraction, i.e. in which triggering of the needle does not require a deliberate action by the user
    • 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
    • A61M5/2033—Spring-loaded one-shot injectors with or without automatic needle insertion
    • 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
    • A61M2005/2026—Semi-automatic, e.g. user activated piston is assisted by additional source of energy
    • 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
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3221—Constructional features thereof, e.g. to improve manipulation or functioning
    • A61M2005/3231—Proximal end of needle captured or embedded inside piston head, e.g. by friction or hooks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0402—Cleaning, repairing, or assembling

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Environmental & Geological Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
CA2845362A 2011-08-24 2012-08-23 Auto-injector for retractable prefilled syringe Expired - Fee Related CA2845362C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161526995P 2011-08-24 2011-08-24
US61/526,995 2011-08-24
PCT/US2012/052129 WO2013028906A1 (en) 2011-08-24 2012-08-23 Auto-injector for retractable prefilled syringe

Publications (2)

Publication Number Publication Date
CA2845362A1 CA2845362A1 (en) 2013-02-28
CA2845362C true CA2845362C (en) 2020-05-05

Family

ID=46934669

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2845362A Expired - Fee Related CA2845362C (en) 2011-08-24 2012-08-23 Auto-injector for retractable prefilled syringe

Country Status (13)

Country Link
US (2) US8808244B2 (enExample)
EP (2) EP2734255B1 (enExample)
JP (1) JP6141846B2 (enExample)
CN (1) CN103747824B (enExample)
AU (1) AU2012298793B2 (enExample)
BR (1) BR112014004103A2 (enExample)
CA (1) CA2845362C (enExample)
DK (2) DK2837396T3 (enExample)
ES (2) ES2572578T3 (enExample)
IL (2) IL230973B (enExample)
PT (2) PT2734255T (enExample)
TW (1) TWI608853B (enExample)
WO (1) WO2013028906A1 (enExample)

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Publication number Publication date
IL257043B (en) 2019-05-30
PT2837396E (pt) 2016-06-20
US8808244B2 (en) 2014-08-19
AU2012298793A1 (en) 2014-03-06
TW201315499A (zh) 2013-04-16
EP2734255A1 (en) 2014-05-28
CN103747824A (zh) 2014-04-23
TWI608853B (zh) 2017-12-21
IL230973B (en) 2018-08-30
JP2014524345A (ja) 2014-09-22
ES2572578T3 (es) 2016-06-01
EP2837396A1 (en) 2015-02-18
US10166336B2 (en) 2019-01-01
IL230973A0 (en) 2014-03-31
EP2734255B1 (en) 2016-04-27
JP6141846B2 (ja) 2017-06-14
US20140323982A1 (en) 2014-10-30
ES2572510T3 (es) 2016-05-31
BR112014004103A2 (pt) 2017-04-04
DK2734255T5 (en) 2016-10-10
DK2734255T3 (en) 2016-08-01
DK2837396T3 (en) 2016-08-22
AU2012298793B2 (en) 2016-07-07
IL257043A (en) 2018-03-29
US20130060231A1 (en) 2013-03-07
WO2013028906A1 (en) 2013-02-28
CN103747824B (zh) 2016-08-17
CA2845362A1 (en) 2013-02-28
PT2734255T (pt) 2016-07-15
EP2837396B1 (en) 2016-05-11

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