WO2008042299A3 - Detachable plunger rod syringe - Google Patents

Detachable plunger rod syringe Download PDF

Info

Publication number
WO2008042299A3
WO2008042299A3 PCT/US2007/021008 US2007021008W WO2008042299A3 WO 2008042299 A3 WO2008042299 A3 WO 2008042299A3 US 2007021008 W US2007021008 W US 2007021008W WO 2008042299 A3 WO2008042299 A3 WO 2008042299A3
Authority
WO
WIPO (PCT)
Prior art keywords
plunger rod
syringe barrel
plug
syringe
base wall
Prior art date
Application number
PCT/US2007/021008
Other languages
French (fr)
Other versions
WO2008042299A2 (en
Inventor
Ronald Lloyd
Ellen Morefield
Eric Sampson
Original Assignee
Tyco Healthcare
Ronald Lloyd
Ellen Morefield
Eric Sampson
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 Tyco Healthcare, Ronald Lloyd, Ellen Morefield, Eric Sampson filed Critical Tyco Healthcare
Publication of WO2008042299A2 publication Critical patent/WO2008042299A2/en
Publication of WO2008042299A3 publication Critical patent/WO2008042299A3/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
    • A61M5/31—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
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31515—Connection of piston with piston rod

Abstract

A plunger rod assembly for use with a syringe barrel is provided and includes a plunger rod slidably disposable within the syringe barrel, wherein the plunger rod includes a hub extending distally from a distal end thereof and at least two tabs extending outwardly therefrom. The syringe further includes a plug configured for slidable disposition in the syringe barrel and configured for selective connection to the plunger rod via a bayonet-type engagement. The plug includes a base wall having at least two resilient fingers supported on a first side thereof, wherein each resilient finger is configured to snap-fit engage a respective tab of the plunger rod during connection of the plug to the plunger rod; and a plunger tip supported on a second side of the base wall, opposite the first side, and being configured to form a substantially fluid tight seal with an inner surface of the syringe barrel.
PCT/US2007/021008 2006-09-29 2007-09-28 Detachable plunger rod syringe WO2008042299A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US84856606P 2006-09-29 2006-09-29
US60/848,566 2006-09-29
US11/862,718 2007-09-27
US11/862,718 US8038656B2 (en) 2006-09-29 2007-09-27 Detachable plunger rod syringe

Publications (2)

Publication Number Publication Date
WO2008042299A2 WO2008042299A2 (en) 2008-04-10
WO2008042299A3 true WO2008042299A3 (en) 2008-05-29

Family

ID=39261927

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/021008 WO2008042299A2 (en) 2006-09-29 2007-09-28 Detachable plunger rod syringe

Country Status (2)

Country Link
US (1) US8038656B2 (en)
WO (1) WO2008042299A2 (en)

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US9732851B2 (en) * 2011-09-06 2017-08-15 Novo Nordisk A/S Piston rod foot
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US9174003B2 (en) 2012-09-28 2015-11-03 Bayer Medical Care Inc. Quick release plunger
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US9480797B1 (en) * 2015-10-28 2016-11-01 Bayer Healthcare Llc System and method for syringe plunger engagement with an injector
US10105084B2 (en) * 2016-01-28 2018-10-23 Jieryang Biotech, Inc. Blood sampler
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US11167085B2 (en) 2016-06-15 2021-11-09 True Concepts Medical Technologies, Llc Syringe systems and methods for multi-stage fluid delivery
US10912897B2 (en) * 2017-05-04 2021-02-09 Indumathi Prakash Single-use syringe
JP6979840B2 (en) * 2017-09-29 2021-12-15 テルモ株式会社 Syringe, Syringe for Prefilled Syringe and Prefilled Syringe
HUE061426T2 (en) 2018-02-27 2023-06-28 Bayer Healthcare Llc Syringe plunger engagement mechanism
US11679205B2 (en) * 2018-07-13 2023-06-20 Zyno Medical Llc High precision syringe with removable pump unit
JP7443237B2 (en) * 2018-09-13 2024-03-05 株式会社サーキュラス Injection systems, syringes, and gaskets
US11272996B2 (en) 2019-10-04 2022-03-15 Reviticell Holdings, Inc. Methods and devices for performing sequential procedures utilizing a standardized system
EP4117754A4 (en) * 2020-03-10 2024-03-27 Zyno Medical Llc High precision syringe with removable pump unit
WO2023061545A1 (en) 2021-10-14 2023-04-20 Sipho - Sustainable Medicare Aps A sustainable medical syringe assembly

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Also Published As

Publication number Publication date
WO2008042299A2 (en) 2008-04-10
US20080082055A1 (en) 2008-04-03
US8038656B2 (en) 2011-10-18

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