WO1999064091A3 - Occlusion detection system - Google Patents

Occlusion detection system Download PDF

Info

Publication number
WO1999064091A3
WO1999064091A3 PCT/US1999/013016 US9913016W WO9964091A3 WO 1999064091 A3 WO1999064091 A3 WO 1999064091A3 US 9913016 W US9913016 W US 9913016W WO 9964091 A3 WO9964091 A3 WO 9964091A3
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
leaf spring
pumping cassette
occlusion
rod
Prior art date
Application number
PCT/US1999/013016
Other languages
French (fr)
Other versions
WO1999064091A2 (en
Inventor
Martin A Cole
Michael W Lawless
Christopher D Lynch
Frank S C Mo
Peter A Soberon
Original Assignee
Abbott Lab
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 Abbott Lab filed Critical Abbott Lab
Priority to JP2000553158A priority Critical patent/JP4141639B2/en
Priority to EP99931780A priority patent/EP1083950B1/en
Priority to AT99931780T priority patent/ATE306956T1/en
Priority to CA002334477A priority patent/CA2334477C/en
Priority to AU48212/99A priority patent/AU765163B2/en
Priority to DE69927811T priority patent/DE69927811T2/en
Publication of WO1999064091A2 publication Critical patent/WO1999064091A2/en
Publication of WO1999064091A3 publication Critical patent/WO1999064091A3/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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/16854—Monitoring, detecting, signalling or eliminating infusion flow anomalies by monitoring line pressure
    • 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
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M2005/16863—Occlusion detection
    • A61M2005/16868—Downstream occlusion sensors
    • 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
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M2005/16863—Occlusion detection
    • A61M2005/16872—Upstream occlusion sensors
    • 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
    • A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit

Abstract

A system and a method for detecting the presence of an occlusion in an intravenous (IV) line supplying a medicinal liquid to a patient. Two pressure occlusion sensors are employed to produce a value for the proximal and distal pressures within an IV pumping cassette that is disposed in the fluid path of the IV line. Each pressure occlusion sensor includes a strain gauge connected to a leaf spring that is fixed at one end within a pump chassis and a rod that is disposed transverse to the leaf spring. Each rod has one end that responds to the force of a portion of an elastomeric membrane inside the pumping cassette and another end that contacts a free end of the leaf spring. When a leaf spring is flexed by the movement of a rod, the strain gauge mounted on the leaf spring produces a differential voltage that corresponds to a fluid pressure within the pumping cassette. The distal pressure occlusion sensor automatically opens a flow stop on the pumping cassette when the pumping cassette is inserted into the pump chassis. The outputs from the distal and proximal pressure sensors are sampled at least once per second to ensure that maximum pressure values are not exceeded and that a pressure sensor failure is immediately detected.
PCT/US1999/013016 1998-06-12 1999-06-11 Occlusion detection system WO1999064091A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2000553158A JP4141639B2 (en) 1998-06-12 1999-06-11 Blockage detection system
EP99931780A EP1083950B1 (en) 1998-06-12 1999-06-11 Occlusion detection system
AT99931780T ATE306956T1 (en) 1998-06-12 1999-06-11 OCCLUSION DETECTION SYSTEM
CA002334477A CA2334477C (en) 1998-06-12 1999-06-11 Occlusion detection system
AU48212/99A AU765163B2 (en) 1998-06-12 1999-06-11 Occlusion detection system
DE69927811T DE69927811T2 (en) 1998-06-12 1999-06-11 OKKLUSIONSERKENNUNGSYSTEM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/097,062 US5989222A (en) 1998-06-12 1998-06-12 Pressure (occlusion) sensor
US09/097,062 1998-06-12

Publications (2)

Publication Number Publication Date
WO1999064091A2 WO1999064091A2 (en) 1999-12-16
WO1999064091A3 true WO1999064091A3 (en) 2000-03-02

Family

ID=22260725

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/013016 WO1999064091A2 (en) 1998-06-12 1999-06-11 Occlusion detection system

Country Status (9)

Country Link
US (1) US5989222A (en)
EP (1) EP1083950B1 (en)
JP (1) JP4141639B2 (en)
AT (1) ATE306956T1 (en)
AU (1) AU765163B2 (en)
CA (1) CA2334477C (en)
DE (1) DE69927811T2 (en)
ES (1) ES2251203T3 (en)
WO (1) WO1999064091A2 (en)

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DK1818664T3 (en) * 2006-02-13 2013-08-05 Hoffmann La Roche Apparatus for recognizing a pressure change in the liquid path of a micro-dosing device
US8167832B2 (en) 2006-12-09 2012-05-01 The Alfred E. Mann Foundation For Scientific Research Ambulatory infusion devices and methods including occlusion monitoring
US7934912B2 (en) 2007-09-27 2011-05-03 Curlin Medical Inc Peristaltic pump assembly with cassette and mounting pin arrangement
US8083503B2 (en) 2007-09-27 2011-12-27 Curlin Medical Inc. Peristaltic pump assembly and regulator therefor
US8062008B2 (en) 2007-09-27 2011-11-22 Curlin Medical Inc. Peristaltic pump and removable cassette therefor
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US8517990B2 (en) 2007-12-18 2013-08-27 Hospira, Inc. User interface improvements for medical devices
US7867192B2 (en) * 2008-02-29 2011-01-11 The Alfred E. Mann Foundation For Scientific Research Ambulatory infusion devices and methods with blockage detection
US8361030B2 (en) * 2008-06-26 2013-01-29 Calibra Medical, Inc. Disposable infusion device with occlusion detector
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US10022498B2 (en) 2011-12-16 2018-07-17 Icu Medical, Inc. System for monitoring and delivering medication to a patient and method of using the same to minimize the risks associated with automated therapy
JP6306566B2 (en) 2012-03-30 2018-04-04 アイシーユー・メディカル・インコーポレーテッド Air detection system and method for detecting air in an infusion system pump
US9180242B2 (en) 2012-05-17 2015-11-10 Tandem Diabetes Care, Inc. Methods and devices for multiple fluid transfer
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ES2743160T3 (en) 2012-07-31 2020-02-18 Icu Medical Inc Patient care system for critical medications
US9173998B2 (en) 2013-03-14 2015-11-03 Tandem Diabetes Care, Inc. System and method for detecting occlusions in an infusion pump
WO2014190264A1 (en) 2013-05-24 2014-11-27 Hospira, Inc. Multi-sensor infusion system for detecting air or an occlusion in the infusion system
ES2838450T3 (en) 2013-05-29 2021-07-02 Icu Medical Inc Infusion set that uses one or more sensors and additional information to make an air determination relative to the infusion set
AU2014274122A1 (en) 2013-05-29 2016-01-21 Icu Medical, Inc. Infusion system and method of use which prevents over-saturation of an analog-to-digital converter
US20150133861A1 (en) 2013-11-11 2015-05-14 Kevin P. McLennan Thermal management system and method for medical devices
US20150182698A1 (en) 2013-12-31 2015-07-02 Abbvie Inc. Pump, motor and assembly for beneficial agent delivery
JP6636442B2 (en) 2014-02-28 2020-01-29 アイシーユー・メディカル・インコーポレーテッド Infusion systems and methods utilizing dual wavelength optical in-pipe air detection
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US10227971B2 (en) * 2014-08-12 2019-03-12 Kpr U.S., Llc Downstream flow detection system for flow control apparatus
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EP0291727A2 (en) * 1987-05-01 1988-11-23 Abbott Laboratories Pressure sensor assembly for disposable pump cassette
EP0319275A1 (en) * 1987-12-04 1989-06-07 Pacesetter Infusion Limited doing business as Minimed Technologies Patient-side occlusion detection system for a medication infusion system
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US4882575A (en) * 1987-01-28 1989-11-21 Sharp Kabushiki Kaisha Monitor for blocked condition in tube for fluid infusion pump
US4927411A (en) * 1987-05-01 1990-05-22 Abbott Laboratories Drive mechanism for disposable fluid infusion pumping cassette
EP0291727A2 (en) * 1987-05-01 1988-11-23 Abbott Laboratories Pressure sensor assembly for disposable pump cassette
EP0319275A1 (en) * 1987-12-04 1989-06-07 Pacesetter Infusion Limited doing business as Minimed Technologies Patient-side occlusion detection system for a medication infusion system
US4979940A (en) * 1988-03-08 1990-12-25 Baxter International Inc. Infusion system, methodology, and algorithm for identifying patient-induced pressure artifacts
US5584667A (en) * 1988-05-17 1996-12-17 Davis; David L. Method of providing uniform flow from an infusion device
US5399171A (en) * 1991-06-10 1995-03-21 Baxter International Inc. Intravenous metering monitoring device
EP0519765A1 (en) * 1991-06-21 1992-12-23 Minimed Inc., doing business as Minimed Technologies Implantable medication infusion pump including self-contained acoustic fault detection apparatus
WO1993004284A1 (en) * 1991-08-12 1993-03-04 Abbott Laboratories Detecting occlusion of proximal or distal lines of an iv pump
US5292306A (en) * 1993-01-29 1994-03-08 Abbott Laboratories Method of detecting occlusions in a solution pumping system
US5586868A (en) * 1994-05-13 1996-12-24 Abbott Laboratories Method of delivering liquid to a patient via a disposable pumping cassette having a flow control & pressure monitoring member
US5554115A (en) * 1995-04-07 1996-09-10 Abbott Laboratories Sensor for measuring pressures in a cassette pump proximal and distal to a pumping chamber
US5720721A (en) * 1995-05-05 1998-02-24 Zevex, Inc. Method for monitoring viscosity and occlusions in an enteral feeding pump delivery
GB2312022A (en) * 1996-04-10 1997-10-15 Baxter Int Medical infusion pump

Also Published As

Publication number Publication date
AU4821299A (en) 1999-12-30
JP2002517288A (en) 2002-06-18
EP1083950A2 (en) 2001-03-21
CA2334477A1 (en) 1999-12-16
AU765163B2 (en) 2003-09-11
ATE306956T1 (en) 2005-11-15
DE69927811T2 (en) 2006-07-20
WO1999064091A2 (en) 1999-12-16
DE69927811D1 (en) 2005-11-24
ES2251203T3 (en) 2006-04-16
EP1083950B1 (en) 2005-10-19
CA2334477C (en) 2008-01-08
US5989222A (en) 1999-11-23
JP4141639B2 (en) 2008-08-27

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