AU2001277053A1 - Syringe plunger locking mechanism - Google Patents

Syringe plunger locking mechanism

Info

Publication number
AU2001277053A1
AU2001277053A1 AU2001277053A AU7705301A AU2001277053A1 AU 2001277053 A1 AU2001277053 A1 AU 2001277053A1 AU 2001277053 A AU2001277053 A AU 2001277053A AU 7705301 A AU7705301 A AU 7705301A AU 2001277053 A1 AU2001277053 A1 AU 2001277053A1
Authority
AU
Australia
Prior art keywords
pivot member
syringe plunger
syringe
actuating shaft
distal portion
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.)
Abandoned
Application number
AU2001277053A
Inventor
Douglas J. Duchon
Jason Gerold
Thomas J. Mcpeak
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.)
ACIST Medical Systems Inc
Original Assignee
ACIST Medical Systems Inc
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 ACIST Medical Systems Inc filed Critical ACIST Medical Systems Inc
Publication of AU2001277053A1 publication Critical patent/AU2001277053A1/en
Abandoned legal-status Critical Current

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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14212—Pumping with an aspiration and an expulsion action
    • A61M5/14216—Reciprocating piston type
    • 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M5/14546—Front-loading type injectors
    • 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
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/548—Remote control of the apparatus or devices
    • 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M2005/14208—Pressure infusion, e.g. using pumps with a programmable infusion control system, characterised by the infusion program
    • 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
    • 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
    • A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
    • A61M5/365—Air detectors

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)

Abstract

An injection system having a syringe body having a distal portion and a proximal portion, the syringe body defining a pumping chamber. A syringe plunger is located in the pumping chamber and is adapted for reciprocal motion within the pumping chamber. An actuating shaft is coupled to the syringe plunger and is movable through the syringe body to control movement of the plunger, the actuating shaft has a pivot member disposed at a distal portion thereof. A release actuator is disposed proximal to the syringe body, and a distal portion of the pivot member is adapted to project radially outwardly when contacted by the syringe plunger to form a releasable engagement with the syringe plunger when the actuating shaft and the pivot member are in an engagement position, and wherein the distal portion of the pivot member is adapted to release the actuating shaft upon engagement of a proximal portion of the pivot member with the release actuator.
AU2001277053A 2000-07-20 2001-07-20 Syringe plunger locking mechanism Abandoned AU2001277053A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US21976000P 2000-07-20 2000-07-20
US60219760 2000-07-20
PCT/US2001/022972 WO2002007812A2 (en) 2000-07-20 2001-07-20 Syringe plunger locking mechanism

Publications (1)

Publication Number Publication Date
AU2001277053A1 true AU2001277053A1 (en) 2002-02-05

Family

ID=22820658

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001277053A Abandoned AU2001277053A1 (en) 2000-07-20 2001-07-20 Syringe plunger locking mechanism

Country Status (8)

Country Link
US (2) US6752789B2 (en)
EP (6) EP1892002B1 (en)
AT (2) ATE523218T1 (en)
AU (1) AU2001277053A1 (en)
CA (3) CA2416286C (en)
DE (1) DE60131653T2 (en)
HK (2) HK1055564A1 (en)
WO (1) WO2002007812A2 (en)

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* Cited by examiner, † Cited by third party
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EP1908487A1 (en) 2008-04-09
EP1892002A1 (en) 2008-02-27
HK1116105A1 (en) 2008-12-19
DE60131653T2 (en) 2008-10-30
EP1892002B1 (en) 2012-03-28
US20050015056A1 (en) 2005-01-20
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CA2717387A1 (en) 2002-01-31
EP1897573B1 (en) 2011-09-07
CA2717848A1 (en) 2002-01-31
WO2002007812A3 (en) 2002-05-10
CA2416286A1 (en) 2002-01-31
US20020022807A1 (en) 2002-02-21
CA2416286C (en) 2011-01-18
US6752789B2 (en) 2004-06-22
EP1897573A3 (en) 2008-05-07
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US7566326B2 (en) 2009-07-28
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CA2717848C (en) 2013-06-11
EP1897574A2 (en) 2008-03-12
DE60131653D1 (en) 2008-01-10
HK1055564A1 (en) 2004-01-16
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EP1301227B1 (en) 2007-11-28
EP1897574A3 (en) 2008-05-07

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