WO2006044390A3 - Safety medical syringe with retractable needle - Google Patents

Safety medical syringe with retractable needle Download PDF

Info

Publication number
WO2006044390A3
WO2006044390A3 PCT/US2005/036535 US2005036535W WO2006044390A3 WO 2006044390 A3 WO2006044390 A3 WO 2006044390A3 US 2005036535 W US2005036535 W US 2005036535W WO 2006044390 A3 WO2006044390 A3 WO 2006044390A3
Authority
WO
WIPO (PCT)
Prior art keywords
needle holder
barrel
needle
plunger
retaining member
Prior art date
Application number
PCT/US2005/036535
Other languages
French (fr)
Other versions
WO2006044390A2 (en
Inventor
Greg Janek
Vincent Runfola
Li Xian Yu
Original Assignee
Safety Medical International I
Greg Janek
Vincent Runfola
Li Xian Yu
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 Safety Medical International I, Greg Janek, Vincent Runfola, Li Xian Yu filed Critical Safety Medical International I
Priority to CA2584106A priority Critical patent/CA2584106C/en
Priority to BRPI0516484-2A priority patent/BRPI0516484A/en
Priority to MX2007004474A priority patent/MX2007004474A/en
Priority to JP2007536809A priority patent/JP5138376B2/en
Priority to KR1020077010975A priority patent/KR101236572B1/en
Priority to AT05804367T priority patent/ATE552875T1/en
Priority to ES05804367T priority patent/ES2386025T3/en
Priority to EP05804367A priority patent/EP1809353B1/en
Priority to CN2005800426643A priority patent/CN101128232B/en
Publication of WO2006044390A2 publication Critical patent/WO2006044390A2/en
Publication of WO2006044390A3 publication Critical patent/WO2006044390A3/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
    • 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
    • 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
    • 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
    • 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
    • A61M2005/31516—Piston or piston-rod constructions, e.g. connection of piston with piston-rod reducing dead-space in the syringe barrel after delivery
    • 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
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • 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
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/347—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw
    • 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
    • A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston
    • 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
    • A61M5/508—Means for preventing re-use by disrupting the piston seal, e.g. by puncturing

Abstract

A syringe (20) includes a hollow barrel (24), a hollow plunger (30) movable within the barrel and a needle assembly (56) secured within and at a distal end (26) of the barrel. The needle assembly includes a needle holder (58), a resilient member (84) that biases the needle holder toward the proximal end opening of the barrel, and a retaining member (64) releasably secured to the needle holder via a reduced material section. The retaining member maintains the needle holder at the distal end of the barrel against the bias of the resilient member. When the plunger is fully depressed within the barrel, the plunger engages the needle holder such that the retaining member is forced to break away and separate from the needle holder along the reduced material section to facilitate retraction of the needle holder and a needle secured to the needle holder into the retraction cavity (48) disposed within the plunger.
PCT/US2005/036535 2004-10-14 2005-10-14 Safety medical syringe with retractable needle WO2006044390A2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA2584106A CA2584106C (en) 2004-10-14 2005-10-14 Safety medical syringe with retractable needle
BRPI0516484-2A BRPI0516484A (en) 2004-10-14 2005-10-14 safety medical syringe with retractable needle
MX2007004474A MX2007004474A (en) 2004-10-14 2005-10-14 Safety medical syringe with retractable needle.
JP2007536809A JP5138376B2 (en) 2004-10-14 2005-10-14 Safe medical syringe with retractable needle
KR1020077010975A KR101236572B1 (en) 2004-10-14 2005-10-14 Safety medical syringe with retractable needle
AT05804367T ATE552875T1 (en) 2004-10-14 2005-10-14 MEDICAL SAFETY SYRINGE WITH RETRACTABLE NEEDLE
ES05804367T ES2386025T3 (en) 2004-10-14 2005-10-14 Medical safety syringe with retractable needle
EP05804367A EP1809353B1 (en) 2004-10-14 2005-10-14 Safety medical syringe with retractable needle
CN2005800426643A CN101128232B (en) 2004-10-14 2005-10-14 Safety medical syringe with retractable needle

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US61813704P 2004-10-14 2004-10-14
US60/618,137 2004-10-14
US62691604P 2004-11-12 2004-11-12
US60/626,916 2004-11-12
US65770005P 2005-03-03 2005-03-03
US60/657,700 2005-03-03

Publications (2)

Publication Number Publication Date
WO2006044390A2 WO2006044390A2 (en) 2006-04-27
WO2006044390A3 true WO2006044390A3 (en) 2006-10-05

Family

ID=36203464

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/036535 WO2006044390A2 (en) 2004-10-14 2005-10-14 Safety medical syringe with retractable needle

Country Status (11)

Country Link
US (2) US7803132B2 (en)
EP (2) EP1809353B1 (en)
JP (2) JP5138376B2 (en)
KR (1) KR101236572B1 (en)
CN (1) CN102247635B (en)
AT (1) ATE552875T1 (en)
BR (1) BRPI0516484A (en)
CA (1) CA2584106C (en)
ES (2) ES2386025T3 (en)
MX (1) MX2007004474A (en)
WO (1) WO2006044390A2 (en)

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ATE552875T1 (en) 2012-04-15

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