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DK1994951T3 - Engangssprøjte og stempelstang-låseindretning til denne - Google Patents

Engangssprøjte og stempelstang-låseindretning til denne Download PDF

Info

Publication number
DK1994951T3
DK1994951T3 DK08105064.3T DK08105064T DK1994951T3 DK 1994951 T3 DK1994951 T3 DK 1994951T3 DK 08105064 T DK08105064 T DK 08105064T DK 1994951 T3 DK1994951 T3 DK 1994951T3
Authority
DK
Denmark
Prior art keywords
leg
locking element
distal end
extending
plunger rod
Prior art date
Application number
DK08105064.3T
Other languages
English (en)
Inventor
Anthony J Kosinski
Gene Fleischer
Marcos Calucho
Original Assignee
Becton Dickinson Co
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 Becton Dickinson Co filed Critical Becton Dickinson Co
Application granted granted Critical
Publication of DK1994951T3 publication Critical patent/DK1994951T3/da

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/50Devices 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
    • A61M5/508Means for preventing re-use by disrupting the piston seal, e.g. by puncturing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/50Devices 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
    • A61M5/5013Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M2005/31516Piston or piston-rod constructions, e.g. connection of piston with piston-rod reducing dead-space in the syringe barrel after delivery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/50Devices 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
    • A61M5/5013Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston
    • A61M2005/5033Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston by use of an intermediate blocking member positioned between the syringe barrel and the piston rod to prevent retraction of the latter, e.g. toothed clip placed on the piston rod
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/50Devices 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
    • A61M5/5013Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Fluid-Damping Devices (AREA)

Claims (12)

1
1. Låseelement (60) til låsning af en stempelstang med et stoporgan (44) i forhold til en sprøjtecylinder, omfattende: en generelt V-formet elementdel (61), der omfatter en første og en anden væg, der er forbundet med hinanden langs med en længdeakse; et første ben (66), der strækker sig i en proximal retning fra den første væg (62) og har en del, der strækker sig i en vinkel i forhold til den første væg (62); en første modhage (76), der strækker sig proximalt fra det første ben; et andet ben (68), der strækker sig proximalt fra den anden væg (62) og har en del, der strækker sig i en vinkel i forhold til den anden væg (64), hvor hvert af det første og det andet ben er afbøjelige i forhold til elementdelen; en anden modhage (68), der strækker sig proximalt fra det andet ben (68); en distal endedel, der er integreret i den generelt V-formede elementdel; kendetegnet ved, at den omfatter: et skæreelement (87) på den distale endedel til at skære stoporganet af en sprøjtestempelstang.
2. Låseelement ifølge krav 1, der omfatter en tredje modhage, der strækker sig proximalt fra den distale endedel.
3. Låseelement ifølge krav 2, der omfatter en fjerde modhage, der strækker sig proximalt fra den distale endedel.
4. Låseelement ifølge krav 1, hvor den distale endedel omfatter et tredje og et fjerde ben, der strækker sig distalt fra elementdelen, og en tredje modhage, der strækker sig fra det tredje ben.
5. Låseelement ifølge krav 4, der omfatter en fjerde modhage, der strækker sig proximalt fra det fjerde ben.
6. Låseelement ifølge krav 5, hvor det første og det andet ben er i det væsentlige længere end længden af elementdelen.
7. Sprøjteenhed omfattende: 2 en sprøjtecylinder med en indre overflade (24), der definerer et kammer (26), en åben ende (28) og en distal ende (30); en stempelstangenhed (38), der omfatter en aflang elementdel (40), en udsparing (42) i den aflange elementdel og et stoporgan (44), der er forbundet med den aflange elementdel (40); et låseelement (60), som er anbragt, så det kan glide inden i kammeret (26), og som strækker sig inden i udsparingen, hvilket låseelement (60) omfatter: en generelt V-formet elementdel, der omfatter en første og en anden væg, der er forbundet med hinanden langs med en længdeakse; et første ben, der strækker sig i en proximal retning fra den første væg; en første modhage (76), der strækker sig proximalt fra det første ben og går i indgreb med den indre overflade (24) af kammeret (26); hvor det første ben (66) har en del, der kan gå i indgreb med stempelstangenheden (38); et andet ben, der strækker sig i en proximal retning fra den anden væg; hvor den anden modhage (68) strækker sig proximalt fra det andet ben og går i indgreb med den indre overflade (24) af kammeret (26) hvor det andet ben har en del, der kan gå i indgreb med stempelstangenheden (38); en distal endedel, der er integreret i den generelt V-formede elementdel; og kendetegnet ved, at den omfatter et skæreelement (87) på den distale endedel af låseelementet til afskæring af stoporganet.
8. Sprøjteenhed ifølge krav 7, der yderligere omfatter en tredje modhage, der strækker sig proximalt fra den distale endedel og er i indgreb med den indre overflade af sprøjtecylinderen.
9. Sprøjteenhed ifølge krav 8, der omfatter en fjerde modhage, der strækker sig proximalt fra den distale endedel af låseelementet.
10. Sprøjteenhed ifølge krav 7, hvor stempelstangenheden (38) omfatter klinkehager (54) til at gå i indgreb med det første og det andet ben af låseelementet.
11. Sprøjteenhed ifølge krav 7, hvor den distale endedel af låseelementet (60) omfatter et tredje og et fjerde ben, der strækker sig distalt fra elementde- 3 len, og en tredje modhage, der strækker sig fra det tredje ben.
12. Sprøjteenhed ifølge krav 11, der omfatter en fjerde modhage, der strækker sig proximalt fra det fjerde ben af låseelementet.
DK08105064.3T 2002-09-25 2003-09-23 Engangssprøjte og stempelstang-låseindretning til denne DK1994951T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/254,264 US6790197B2 (en) 2002-09-25 2002-09-25 Single use syringe and plunger rod locking device therefor
EP03759361A EP1549370B1 (en) 2002-09-25 2003-09-23 Single use syringe and plunger rod locking device therefor

Publications (1)

Publication Number Publication Date
DK1994951T3 true DK1994951T3 (da) 2015-07-20

Family

ID=31993315

Family Applications (2)

Application Number Title Priority Date Filing Date
DK03759361T DK1549370T3 (da) 2002-09-25 2003-09-23 Engangsspröjte og stempelstangslåseanordning dertil
DK08105064.3T DK1994951T3 (da) 2002-09-25 2003-09-23 Engangssprøjte og stempelstang-låseindretning til denne

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK03759361T DK1549370T3 (da) 2002-09-25 2003-09-23 Engangsspröjte og stempelstangslåseanordning dertil

Country Status (13)

Country Link
US (1) US6790197B2 (da)
EP (2) EP1994951B1 (da)
JP (1) JP4533143B2 (da)
CN (1) CN100467080C (da)
AT (1) ATE405312T1 (da)
AU (1) AU2003275090B2 (da)
BR (1) BR0314793A (da)
DE (1) DE60323114D1 (da)
DK (2) DK1549370T3 (da)
ES (2) ES2541548T3 (da)
MX (1) MXPA05003174A (da)
WO (1) WO2004028605A1 (da)
ZA (1) ZA200502853B (da)

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Also Published As

Publication number Publication date
WO2004028605A1 (en) 2004-04-08
ES2310670T3 (es) 2009-01-16
US20040059300A1 (en) 2004-03-25
JP4533143B2 (ja) 2010-09-01
EP1994951B1 (en) 2015-04-22
AU2003275090B2 (en) 2009-12-10
EP1994951A3 (en) 2008-12-03
MXPA05003174A (es) 2005-06-08
AU2003275090A1 (en) 2004-04-19
BR0314793A (pt) 2005-07-26
JP2006500174A (ja) 2006-01-05
ES2541548T3 (es) 2015-07-21
EP1994951A2 (en) 2008-11-26
EP1549370B1 (en) 2008-08-20
DK1549370T3 (da) 2008-12-01
DE60323114D1 (de) 2008-10-02
ATE405312T1 (de) 2008-09-15
US6790197B2 (en) 2004-09-14
EP1549370A1 (en) 2005-07-06
CN100467080C (zh) 2009-03-11
CN1694742A (zh) 2005-11-09
ZA200502853B (en) 2005-12-28

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