WO2002026295A3 - Medical device and locking mechanism therefor - Google Patents

Medical device and locking mechanism therefor Download PDF

Info

Publication number
WO2002026295A3
WO2002026295A3 PCT/EP2001/000817 EP0100817W WO0226295A3 WO 2002026295 A3 WO2002026295 A3 WO 2002026295A3 EP 0100817 W EP0100817 W EP 0100817W WO 0226295 A3 WO0226295 A3 WO 0226295A3
Authority
WO
WIPO (PCT)
Prior art keywords
locking mechanism
plunger
barrel
lugs
syringe assembly
Prior art date
Application number
PCT/EP2001/000817
Other languages
French (fr)
Other versions
WO2002026295A2 (en
Inventor
Emmanuel Mastorakis
Original Assignee
Nicodel S A
Emmanuel Mastorakis
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
Priority to BR0116394-9A priority Critical patent/BR0116394A/en
Priority to JP2002530124A priority patent/JP2004520091A/en
Priority to US10/069,688 priority patent/US6913595B2/en
Priority to MXPA03005518A priority patent/MXPA03005518A/en
Priority to AT01984289T priority patent/ATE254940T1/en
Priority to AU2849401A priority patent/AU2849401A/en
Priority to IL15634701A priority patent/IL156347A0/en
Priority to DK01984289T priority patent/DK1244484T3/en
Application filed by Nicodel S A, Emmanuel Mastorakis filed Critical Nicodel S A
Priority to AU2001228494A priority patent/AU2001228494B2/en
Priority to DE60101307T priority patent/DE60101307T2/en
Priority to KR10-2003-7008457A priority patent/KR20040016830A/en
Priority to EP01984289A priority patent/EP1244484B1/en
Priority to CA002432547A priority patent/CA2432547A1/en
Publication of WO2002026295A2 publication Critical patent/WO2002026295A2/en
Publication of WO2002026295A3 publication Critical patent/WO2002026295A3/en
Priority to HK03102269.7A priority patent/HK1051654B/en
Priority to IL156347A priority patent/IL156347A/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
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0637—Butterfly or winged devices, e.g. for facilitating handling or for attachment to 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
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by 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
    • A61M5/178—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
    • A61M5/3205—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
    • A61M2005/3223—Means impeding or disabling repositioning of used needles at the syringe nozzle
    • A61M2005/3224—Means to disalign the needle tip and syringe nozzle
    • 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
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0606—"Over-the-needle" catheter assemblies, e.g. I.V. catheters
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • 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
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/917—Body fluid, devices for protection therefrom, e.g. aids, hepatitus
    • Y10S128/919—Syringe, means to protect user

Abstract

A locking mechanism (10) for a medical sharp device such as a syringe assembly (62) includes a retainer part (12) for retaining a hypodermic needle (22), and a connector part (14). The retainer part includes lugs (46) for engagement with a recess (82) formed in a neck (70) of the syringe assembly. When a plunger (72) of the syringe assembly is pushed fully forwards, the lugs (56) of the retainer part (12) engage behind a ledge (54) of the connector part (14) and the lugs (46) disengage from the recess (82). The plunger (72) may then be retracted, pulling the needle (22) into the barrel (64) of the assembly. The neck portion may be eccentrically mounted on the barrel and means (116, 118) may be provided for preventing rotation of the plunger (72) in the barrel (64).
PCT/EP2001/000817 2000-12-22 2001-01-25 Medical device and locking mechanism therefor WO2002026295A2 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
AU2001228494A AU2001228494B2 (en) 2000-12-22 2001-01-25 Medical device and locking mechanism therefor
JP2002530124A JP2004520091A (en) 2000-12-22 2001-01-25 Medical device and its locking mechanism
DE60101307T DE60101307T2 (en) 2000-12-22 2001-01-25 MEDICAL DEVICE AND LOCKING MECHANISM THEREFOR
AT01984289T ATE254940T1 (en) 2000-12-22 2001-01-25 MEDICAL DEVICE AND LOCKING MECHANISM THEREOF
AU2849401A AU2849401A (en) 2000-12-22 2001-01-25 Medical device and locking mechanism therefor
IL15634701A IL156347A0 (en) 2000-12-22 2001-01-25 Medical device and locking mechanism therefor
DK01984289T DK1244484T3 (en) 2000-12-22 2001-01-25 Medical device and locking mechanism for this
BR0116394-9A BR0116394A (en) 2000-12-22 2001-01-25 Locking mechanism to control the fit between moving parts relative to each other in pointed medical devices, hypodermic syringe assembly and medical device
US10/069,688 US6913595B2 (en) 2000-12-22 2001-01-25 Medical device and locking mechanism therefor
MXPA03005518A MXPA03005518A (en) 2000-12-22 2001-01-25 Medical device and locking mechanism therefor.
KR10-2003-7008457A KR20040016830A (en) 2000-12-22 2001-01-25 Medical Device And Locking Mechanism Therefor
EP01984289A EP1244484B1 (en) 2000-12-22 2001-01-25 Medical device and locking mechanism therefor
CA002432547A CA2432547A1 (en) 2000-12-22 2001-01-25 Medical device and locking mechanism therefor
HK03102269.7A HK1051654B (en) 2000-12-22 2003-03-28 Medical device and locking mechanism therefor
IL156347A IL156347A (en) 2000-12-22 2003-06-08 Medical device and locking mechanism therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GR20000100459 2000-12-22
GR20000100459 2000-12-22

Publications (2)

Publication Number Publication Date
WO2002026295A2 WO2002026295A2 (en) 2002-04-04
WO2002026295A3 true WO2002026295A3 (en) 2002-06-13

Family

ID=38057220

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/000817 WO2002026295A2 (en) 2000-12-22 2001-01-25 Medical device and locking mechanism therefor

Country Status (20)

Country Link
US (1) US6913595B2 (en)
EP (1) EP1244484B1 (en)
JP (1) JP2004520091A (en)
KR (1) KR20040016830A (en)
CN (1) CN1267163C (en)
AT (1) ATE254940T1 (en)
AU (2) AU2001228494B2 (en)
BR (1) BR0116394A (en)
CA (1) CA2432547A1 (en)
DE (1) DE60101307T2 (en)
DK (1) DK1244484T3 (en)
ES (1) ES2212791T3 (en)
HK (1) HK1051654B (en)
IL (2) IL156347A0 (en)
MX (1) MXPA03005518A (en)
PT (1) PT1244484E (en)
RU (1) RU2271835C2 (en)
TR (1) TR200302227T4 (en)
WO (1) WO2002026295A2 (en)
ZA (1) ZA200304559B (en)

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US20020173751A1 (en) 2002-11-21
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RU2271835C2 (en) 2006-03-20
KR20040016830A (en) 2004-02-25

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