CA2444403A1 - Improved medical instrument flow stop interface - Google Patents

Improved medical instrument flow stop interface Download PDF

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Publication number
CA2444403A1
CA2444403A1 CA002444403A CA2444403A CA2444403A1 CA 2444403 A1 CA2444403 A1 CA 2444403A1 CA 002444403 A CA002444403 A CA 002444403A CA 2444403 A CA2444403 A CA 2444403A CA 2444403 A1 CA2444403 A1 CA 2444403A1
Authority
CA
Canada
Prior art keywords
platen
flow stop
flow
door
tube
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.)
Granted
Application number
CA002444403A
Other languages
French (fr)
Other versions
CA2444403C (en
Inventor
Matthew G. Morris
Victor R. Hurtado
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.)
CareFusion 303 Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2444403A1 publication Critical patent/CA2444403A1/en
Application granted granted Critical
Publication of CA2444403C publication Critical patent/CA2444403C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
    • A61M39/286—Wedge clamps, e.g. roller clamps with inclined guides
    • A61M39/287—Wedge formed by a slot having varying width, e.g. slide clamps
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
    • A61M39/281—Automatic tube cut-off devices, e.g. squeezing tube on detection of air
    • 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
    • A61M5/14228—Pumping with an aspiration and an expulsion action with linear peristaltic action, i.e. comprising at least three pressurising members or a helical member

Abstract

A fluid infusion pump includes a platen between an outer door and the pumping mechanism. The platen is located so that as the outer door of the pump is moved to the closed position, it moves the platen to position the fluid flow tube into occlusive contact with the pumping mechanism before the platen engages a flow stop formed integrally with the tube and releases the flow stop to permit fluid flow, thus avoiding a free flow condition. The door also includes a handle having a sear with a hook that engages the flow stop when the door is in the closed position. As the door is opened, the hook moves the flow stop to the occluded position before the platen is moved away from the tube thus preventing a free flow condition. The platen includes a flow stop release portion that is offset from the remainder of the platen that operatively engages a release tab on the flow stop to permit movement of the flow stop to the fluid flow configuration. The platen is mounted to the housing with a floating hinge and datum pins located on the face of the pumping mechanism precisely locate the platen into position with the pumping mechanism and thereby result in precise positioning of the fluid tube.
CA002444403A 2001-05-04 2002-04-11 Improved medical instrument flow stop interface Expired - Lifetime CA2444403C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/848,790 US6629955B2 (en) 2001-05-04 2001-05-04 Medical instrument flow stop interface
US09/848,790 2001-05-04
PCT/US2002/011317 WO2002089876A1 (en) 2001-05-04 2002-04-11 Improved medical instrument flow stop interface

Publications (2)

Publication Number Publication Date
CA2444403A1 true CA2444403A1 (en) 2002-11-14
CA2444403C CA2444403C (en) 2007-12-11

Family

ID=25304275

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002444403A Expired - Lifetime CA2444403C (en) 2001-05-04 2002-04-11 Improved medical instrument flow stop interface

Country Status (22)

Country Link
US (1) US6629955B2 (en)
EP (1) EP1383559B1 (en)
JP (2) JP4394883B2 (en)
KR (1) KR100870228B1 (en)
CN (1) CN1278746C (en)
AT (1) ATE364415T1 (en)
AU (1) AU2002307242B2 (en)
CA (1) CA2444403C (en)
CY (1) CY1106812T1 (en)
CZ (1) CZ20033292A3 (en)
DE (1) DE60220663T2 (en)
DK (1) DK1383559T3 (en)
ES (1) ES2288559T3 (en)
HK (1) HK1063163A1 (en)
HU (1) HU226969B1 (en)
MX (1) MXPA03010076A (en)
NO (4) NO20034904L (en)
NZ (1) NZ528962A (en)
PL (1) PL203267B1 (en)
PT (1) PT1383559E (en)
RU (1) RU2286179C2 (en)
WO (1) WO2002089876A1 (en)

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Also Published As

Publication number Publication date
KR100870228B1 (en) 2008-11-24
KR20040010636A (en) 2004-01-31
AU2002307242B2 (en) 2006-10-12
NO20110189L (en) 2003-11-18
DE60220663T2 (en) 2008-02-14
CY1106812T1 (en) 2012-01-25
EP1383559A1 (en) 2004-01-28
NO20111131L (en) 2003-12-30
ATE364415T1 (en) 2007-07-15
WO2002089876A1 (en) 2002-11-14
HUP0400062A2 (en) 2004-04-28
CN1507359A (en) 2004-06-23
JP4394883B2 (en) 2010-01-06
HU226969B1 (en) 2010-03-29
NO20034904L (en) 2003-12-30
PT1383559E (en) 2007-09-18
CN1278746C (en) 2006-10-11
NO20034904D0 (en) 2003-11-03
US20020165503A1 (en) 2002-11-07
US6629955B2 (en) 2003-10-07
EP1383559B1 (en) 2007-06-13
RU2003135223A (en) 2005-03-20
HUP0400062A3 (en) 2004-06-28
CZ20033292A3 (en) 2004-06-16
PL363987A1 (en) 2004-11-29
DK1383559T3 (en) 2007-10-15
NO20111132L (en) 2003-12-30
RU2286179C2 (en) 2006-10-27
HK1063163A1 (en) 2004-12-17
MXPA03010076A (en) 2004-12-06
JP2009172443A (en) 2009-08-06
JP2004528117A (en) 2004-09-16
NZ528962A (en) 2005-07-29
ES2288559T3 (en) 2008-01-16
PL203267B1 (en) 2009-09-30
CA2444403C (en) 2007-12-11
DE60220663D1 (en) 2007-07-26

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Effective date: 20220411