WO2004035111A3 - Testing of pressure sensor in surgical cassette - Google Patents

Testing of pressure sensor in surgical cassette Download PDF

Info

Publication number
WO2004035111A3
WO2004035111A3 PCT/US2003/025734 US0325734W WO2004035111A3 WO 2004035111 A3 WO2004035111 A3 WO 2004035111A3 US 0325734 W US0325734 W US 0325734W WO 2004035111 A3 WO2004035111 A3 WO 2004035111A3
Authority
WO
WIPO (PCT)
Prior art keywords
pressure sensor
testing
surgical cassette
force
diaphragm
Prior art date
Application number
PCT/US2003/025734
Other languages
French (fr)
Other versions
WO2004035111A2 (en
Inventor
Donn D Lobdell
Michael D Morgan
Original Assignee
Alcon Inc
Donn D Lobdell
Michael D Morgan
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 Alcon Inc, Donn D Lobdell, Michael D Morgan filed Critical Alcon Inc
Priority to AU2003259877A priority Critical patent/AU2003259877B2/en
Priority to JP2005501376A priority patent/JP4532406B2/en
Priority to AT03808952T priority patent/ATE515279T1/en
Priority to CA2498102A priority patent/CA2498102C/en
Priority to MXPA05003266A priority patent/MXPA05003266A/en
Priority to EP03808952A priority patent/EP1551477B1/en
Priority to BRPI0315287-1A priority patent/BR0315287B1/en
Publication of WO2004035111A2 publication Critical patent/WO2004035111A2/en
Publication of WO2004035111A3 publication Critical patent/WO2004035111A3/en
Priority to IL167792A priority patent/IL167792A/en

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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/74Suction control
    • 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/73Suction drainage systems comprising sensors or indicators for physical values
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L27/00Testing or calibrating of apparatus for measuring fluid pressure
    • G01L27/007Malfunction diagnosis, i.e. diagnosing a sensor defect
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3351Controlling upstream pump pressure
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/50General characteristics of the apparatus with microprocessors or computers
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/70General characteristics of the apparatus with testing or calibration facilities

Abstract

A method of determining the accuracy of a pressure sensor (54) in a surgical cassette (14) is disclosed. The method involves displacing a diaphragm (64) of the sensor (54) a pre-defined amount of displacement, and measuring the force exerted on the diaphragm (64) by the displacing step. The accuracy of the pressure sensor (54) is determined by comparing the force measured in the measuring step to a pre-defined force for the pre-defined amount of displacement.
PCT/US2003/025734 2002-10-16 2003-08-18 Testing of pressure sensor in surgical cassette WO2004035111A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AU2003259877A AU2003259877B2 (en) 2002-10-16 2003-08-18 Testing of pressure sensor in surgical cassette
JP2005501376A JP4532406B2 (en) 2002-10-16 2003-08-18 Surgical cassette pressure sensor testing.
AT03808952T ATE515279T1 (en) 2002-10-16 2003-08-18 TESTING A PRESSURE SENSOR IN A SURGICAL CASSETTE
CA2498102A CA2498102C (en) 2002-10-16 2003-08-18 Testing of pressure sensor in surgical cassette
MXPA05003266A MXPA05003266A (en) 2002-10-16 2003-08-18 Testing of pressure sensor in surgical cassette.
EP03808952A EP1551477B1 (en) 2002-10-16 2003-08-18 Testing of pressure sensor in surgical cassette
BRPI0315287-1A BR0315287B1 (en) 2002-10-16 2003-08-18 Method for determining the accuracy of a pressure sensor in a surgical cassette.
IL167792A IL167792A (en) 2002-10-16 2005-03-31 Testing of pressure sensor in surgical cassete

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US41906202P 2002-10-16 2002-10-16
US60/419,062 2002-10-16
US10/376,499 US6868720B2 (en) 2002-10-16 2003-02-28 Testing of pressure sensor in surgical cassette
US10/376,499 2003-02-28

Publications (2)

Publication Number Publication Date
WO2004035111A2 WO2004035111A2 (en) 2004-04-29
WO2004035111A3 true WO2004035111A3 (en) 2004-06-24

Family

ID=32095833

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/025734 WO2004035111A2 (en) 2002-10-16 2003-08-18 Testing of pressure sensor in surgical cassette

Country Status (11)

Country Link
US (1) US6868720B2 (en)
EP (1) EP1551477B1 (en)
JP (1) JP4532406B2 (en)
AR (1) AR041261A1 (en)
AT (1) ATE515279T1 (en)
AU (1) AU2003259877B2 (en)
BR (1) BR0315287B1 (en)
CA (1) CA2498102C (en)
IL (1) IL167792A (en)
MX (1) MXPA05003266A (en)
WO (1) WO2004035111A2 (en)

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US9579429B2 (en) 2006-03-29 2017-02-28 Novartis Ag Surgical cassette with compliant clamping zone
US20070253850A1 (en) * 2006-03-31 2007-11-01 David Williams System and method for user selectable release modality for a surgical cassette
US20070231205A1 (en) * 2006-03-31 2007-10-04 David Lloyd Williams FlUIDIC CASSETTE DETECTION MECHANISM
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US7712802B2 (en) * 2006-06-12 2010-05-11 Alcon, Inc. Cassette clamping mechanism
US7786457B2 (en) * 2006-06-28 2010-08-31 Alcon, Inc. Systems and methods of non-invasive level sensing for a surgical cassette
US20080015515A1 (en) * 2006-06-29 2008-01-17 Mark Alan Hopkins Top and bottom clamping for a surgical cassette
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JP6516559B2 (en) 2015-05-21 2019-05-22 日機装株式会社 Blood purification device
CN107683151B (en) 2015-06-24 2020-07-28 日机装株式会社 Blood purification device
JP6111351B1 (en) 2016-01-25 2017-04-05 日機装株式会社 Blood purification equipment
JP6998112B2 (en) 2016-09-12 2022-01-18 日機装株式会社 Blood purification device
JP6826852B2 (en) 2016-09-23 2021-02-10 日機装株式会社 Blood purification device
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JP6464238B1 (en) 2017-09-07 2019-02-06 日機装株式会社 Blood purification apparatus and method for discharging bubbles
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US20190162180A1 (en) * 2017-11-30 2019-05-30 Tornatech Inc. System and method for detecting failure of a pressure sensor in a fire pump system
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Also Published As

Publication number Publication date
JP2006502832A (en) 2006-01-26
AU2003259877A1 (en) 2004-05-04
AR041261A1 (en) 2005-05-11
CA2498102C (en) 2010-11-09
CA2498102A1 (en) 2004-04-29
WO2004035111A2 (en) 2004-04-29
IL167792A (en) 2009-11-18
JP4532406B2 (en) 2010-08-25
US6868720B2 (en) 2005-03-22
MXPA05003266A (en) 2005-07-05
EP1551477B1 (en) 2011-07-06
US20040074281A1 (en) 2004-04-22
BR0315287B1 (en) 2012-07-24
AU2003259877B2 (en) 2009-01-08
BR0315287A (en) 2005-08-30
EP1551477A2 (en) 2005-07-13
ATE515279T1 (en) 2011-07-15

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