CA2773271C - Anesthetic syringe - Google Patents

Anesthetic syringe Download PDF

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Publication number
CA2773271C
CA2773271C CA2773271A CA2773271A CA2773271C CA 2773271 C CA2773271 C CA 2773271C CA 2773271 A CA2773271 A CA 2773271A CA 2773271 A CA2773271 A CA 2773271A CA 2773271 C CA2773271 C CA 2773271C
Authority
CA
Canada
Prior art keywords
cartridge
syringe assembly
barrel
needle
set forth
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.)
Expired - Fee Related
Application number
CA2773271A
Other languages
English (en)
French (fr)
Other versions
CA2773271A1 (en
Inventor
David M Selvitelli
Edward Brundidge, Iii
Mark J. Callahan
Jeffrey T. Delnickas
Teshtar A. Elavia
Melvin A. Finke
Viviana Guerriero
Loredana Jinga
Brian P. Sharp
Kathleen Tremblay
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.)
KPR US LLC
Original Assignee
Tyco Healthcare Group LP
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 Group LP filed Critical Tyco Healthcare Group LP
Publication of CA2773271A1 publication Critical patent/CA2773271A1/en
Application granted granted Critical
Publication of CA2773271C publication Critical patent/CA2773271C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/3159—Dose expelling manners
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
    • A61C5/62—Applicators, e.g. syringes or guns
    • A—HUMAN NECESSITIES
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    • A61M5/178—Syringes
    • A61M5/19—Syringes having more than one chamber
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or cartridges, e.g. automatic
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    • A61M5/2455—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or cartridges, e.g. automatic with sealing means to be broken or opened
    • A61M5/2466—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or cartridges, e.g. automatic with sealing means to be broken or opened by piercing without internal pressure increase
    • A61M2005/247—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or cartridges, e.g. automatic with sealing means to be broken or opened by piercing without internal pressure increase with fixed or steady piercing means, e.g. piercing under movement of ampoule
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    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/04—Liquids
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    • A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
    • A61M2205/585—Means for facilitating use, e.g. by people with impaired vision by visual feedback having magnification means, e.g. magnifying glasses
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    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/59—Aesthetic features, e.g. distraction means to prevent fears of child patients
    • A—HUMAN NECESSITIES
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    • A61M5/488—Limiting injection pressure

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Anesthesiology (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
CA2773271A 2011-04-05 2012-04-03 Anesthetic syringe Expired - Fee Related CA2773271C (en)

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JP2014193397A (ja) 2014-10-09
JP5990221B2 (ja) 2016-09-07
EP2508217A3 (en) 2014-10-01
JP2012217850A (ja) 2012-11-12
AU2012201968B2 (en) 2013-06-20
US9289272B2 (en) 2016-03-22
US20120258421A1 (en) 2012-10-11
AU2012201968A1 (en) 2012-10-25
JP5559831B2 (ja) 2014-07-23
EP2508217A2 (en) 2012-10-10
JP2014217788A (ja) 2014-11-20
CA2773271A1 (en) 2012-10-05
US20160271328A1 (en) 2016-09-22
EP2508217B1 (en) 2019-09-04

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