CA3064491A1 - Auto injector with hollow plunger rod - Google Patents

Auto injector with hollow plunger rod Download PDF

Info

Publication number
CA3064491A1
CA3064491A1 CA3064491A CA3064491A CA3064491A1 CA 3064491 A1 CA3064491 A1 CA 3064491A1 CA 3064491 A CA3064491 A CA 3064491A CA 3064491 A CA3064491 A CA 3064491A CA 3064491 A1 CA3064491 A1 CA 3064491A1
Authority
CA
Canada
Prior art keywords
plunger rod
syringe
auto injector
driver
injector according
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.)
Abandoned
Application number
CA3064491A
Other languages
English (en)
French (fr)
Inventor
Peter Blaabjerg JACOBSEN
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.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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 Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of CA3064491A1 publication Critical patent/CA3064491A1/en
Abandoned 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
    • A61M5/20—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
    • A61M5/31—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
    • A61M5/31595—Pre-defined multi-dose administration by repeated overcoming of means blocking the free advancing movement of piston rod, e.g. by tearing or de-blocking
    • 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
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve 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
    • A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5086—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile for indicating if defective, used, tampered with or unsterile
    • 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
    • A61M2005/2006—Having specific accessories
    • A61M2005/202—Having specific accessories cocking means, e.g. to bias the main drive spring of an injector
    • 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
    • A61M2005/206—With 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
    • A61M2005/2073—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
    • A61M2005/208—Release is possible only when device is pushed against the skin, e.g. using a trigger which is blocked or inactive when the device is not pushed against the skin
    • 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
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
    • A61M2005/3267—Biased sleeves where the needle is uncovered by insertion of the needle into a patient's body
    • 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
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (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)
CA3064491A 2017-05-23 2018-05-16 Auto injector with hollow plunger rod Abandoned CA3064491A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17172564.1 2017-05-23
EP17172564 2017-05-23
PCT/EP2018/062822 WO2018215271A1 (en) 2017-05-23 2018-05-16 Auto injector with hollow plunger rod

Publications (1)

Publication Number Publication Date
CA3064491A1 true CA3064491A1 (en) 2018-11-29

Family

ID=58772477

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3064491A Abandoned CA3064491A1 (en) 2017-05-23 2018-05-16 Auto injector with hollow plunger rod

Country Status (9)

Country Link
US (1) US20200139046A1 (enExample)
EP (1) EP3630235A1 (enExample)
JP (1) JP2020520755A (enExample)
CN (1) CN110740771A (enExample)
AU (1) AU2018272795A1 (enExample)
BR (1) BR112019024329A2 (enExample)
CA (1) CA3064491A1 (enExample)
RU (1) RU2019139537A (enExample)
WO (1) WO2018215271A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3064671A1 (en) * 2017-05-23 2018-11-29 Merck Patent Gmbh Auto injector with recap prevention
AU2020228948B2 (en) 2019-02-26 2022-09-08 Becton Dickinson France Auto-injector with audio indicator
BR102019016950A2 (pt) * 2019-08-15 2021-02-23 Inst De Pesquisa Ensino Ciencia E Tecnologia Aplicada Inst Galzu forma de dosagem intrauretral de medicamento; e dispositivo
EP4058102B1 (en) * 2019-11-11 2025-10-01 SHL Medical AG Medicament delivery device
WO2021122190A1 (en) 2019-12-18 2021-06-24 Novo Nordisk A/S Drug delivery device for delivering a predefined fixed dose
WO2024054430A1 (en) * 2022-09-06 2024-03-14 University Hospitals Cleveland Medical Center Auto-injector
EP4647106A1 (en) 2024-05-07 2025-11-12 Instituto Galzu - Pesquisa, Ensino, Ciência e Tecnologia Aplicada Intraurethral administration device and kit
US12397122B1 (en) 2024-08-29 2025-08-26 Genzyme Corporation Medicament delivery device
US12383683B1 (en) * 2024-08-29 2025-08-12 Genzyme Corporation Medicament delivery device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540664A (en) 1993-05-27 1996-07-30 Washington Biotech Corporation Reloadable automatic or manual emergency injection system
US20050101919A1 (en) * 2003-11-07 2005-05-12 Lennart Brunnberg Device for an injector
GB2414405B (en) 2004-05-28 2009-01-14 Cilag Ag Int Injection device
US7297136B2 (en) 2004-12-06 2007-11-20 Wyrick Ronald E Medicine injection devices and methods
US8814828B2 (en) * 2007-09-25 2014-08-26 Becton Dickinson France Autoinjector with deshielder comprising tamper evidence means
IT1398501B1 (it) 2010-03-10 2013-03-01 Menarini Int Operations Lu Sa Dispositivo autoiniettore di due dosi di farmaco
EP2438939A1 (en) 2010-10-08 2012-04-11 Sanofi-Aventis Deutschland GmbH Arrangement for coupling a plunger to either a syringe or a stopper
DK2750738T3 (da) * 2011-08-31 2024-06-10 Shl Medical Ag Injektionsanordning
WO2013034985A2 (en) 2011-09-09 2013-03-14 Merck Patent Gmbh Reloadable auto-injector
EP2768559B1 (en) * 2011-10-17 2023-08-23 SHL Medical AG Medicament delivery device
JP5917769B2 (ja) * 2012-04-17 2016-05-18 ケアベイ・ヨーロッパ・リミテッドＣａｒｅｂａｙ Ｅｕｒｏｐｅ Ｌｉｍｉｔｅｄ 薬剤送達装置
EP2906272B1 (en) * 2012-10-12 2018-12-05 SHL Medical AG Medicament delivery device
US10799634B2 (en) * 2014-11-12 2020-10-13 Novo Nordisk A/S Method of manufacturing one of a range of autoinjectors
EP3061478A1 (en) * 2015-02-27 2016-08-31 Sanofi-Aventis Deutschland GmbH Medicament delivery device and method for assembling same
CA3064671A1 (en) * 2017-05-23 2018-11-29 Merck Patent Gmbh Auto injector with recap prevention

Also Published As

Publication number Publication date
JP2020520755A (ja) 2020-07-16
AU2018272795A1 (en) 2019-12-05
RU2019139537A3 (enExample) 2021-09-03
EP3630235A1 (en) 2020-04-08
US20200139046A1 (en) 2020-05-07
WO2018215271A1 (en) 2018-11-29
CN110740771A (zh) 2020-01-31
RU2019139537A (ru) 2021-06-24
BR112019024329A2 (pt) 2020-06-16

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20231116