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DE3377938D1 - Leak detection method and apparatus - Google Patents

Leak detection method and apparatus

Info

Publication number
DE3377938D1
DE3377938D1 DE8383901150T DE3377938T DE3377938D1 DE 3377938 D1 DE3377938 D1 DE 3377938D1 DE 8383901150 T DE8383901150 T DE 8383901150T DE 3377938 T DE3377938 T DE 3377938T DE 3377938 D1 DE3377938 D1 DE 3377938D1
Authority
DE
Germany
Prior art keywords
detection method
leak detection
leak
detection
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
Application number
DE8383901150T
Other languages
English (en)
Inventor
Alan R Kahn
Kenneth R Clark
Dennis E Bahr
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.)
STERITEK Inc
Original Assignee
STERITEK 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 STERITEK Inc filed Critical STERITEK Inc
Application granted granted Critical
Publication of DE3377938D1 publication Critical patent/DE3377938D1/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
    • A61B5/031—Intracranial pressure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/004—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces
    • G01L11/006—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces hydraulic or pneumatic counterbalancing forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurosurgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measuring Fluid Pressure (AREA)
  • External Artificial Organs (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
DE8383901150T 1982-03-04 1983-03-01 Leak detection method and apparatus Expired DE3377938D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/354,610 US4441357A (en) 1982-03-04 1982-03-04 Pressure monitoring and leak detection method and apparatus
PCT/US1983/000268 WO1983003136A1 (en) 1982-03-04 1983-03-01 Pressure monitoring and leak detection method and apparatus

Publications (1)

Publication Number Publication Date
DE3377938D1 true DE3377938D1 (en) 1988-10-13

Family

ID=23394133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383901150T Expired DE3377938D1 (en) 1982-03-04 1983-03-01 Leak detection method and apparatus

Country Status (6)

Country Link
US (1) US4441357A (de)
EP (1) EP0103624B1 (de)
JP (1) JPS59500430A (de)
CA (1) CA1194578A (de)
DE (1) DE3377938D1 (de)
WO (1) WO1983003136A1 (de)

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DE19612947C1 (de) * 1996-04-01 1997-09-11 Siemens Ag Einrichtung und Verfahren zur Leckageerkennung
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US6302653B1 (en) * 1999-07-20 2001-10-16 Deka Products Limited Partnership Methods and systems for detecting the presence of a gas in a pump and preventing a gas from being pumped from a pump
US6877713B1 (en) * 1999-07-20 2005-04-12 Deka Products Limited Partnership Tube occluder and method for occluding collapsible tubes
DE10126458C2 (de) * 2001-05-31 2003-06-12 Daimler Chrysler Ag Dichtheits- und Funktionsprüfung eines Sperrventils in einer pneumatischen Federung
DE10204132B4 (de) * 2002-02-01 2012-03-15 Robert Bosch Gmbh Verfahren und Vorrichtung zur Dichtheitsprüfung eines Behältnisses
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US7520862B2 (en) * 2004-02-03 2009-04-21 Neuro Diagnostic Devices, Inc. Cerebral spinal fluid shunt evaluation system
US20080214951A1 (en) * 2004-02-03 2008-09-04 Neuro Diagnostic Devices, Inc. Cerebrospinal Fluid Evaluation Systems
US7837673B2 (en) * 2005-08-08 2010-11-23 Innovative Therapies, Inc. Wound irrigation device
US7608066B2 (en) * 2005-08-08 2009-10-27 Innovative Therapies, Inc. Wound irrigation device pressure monitoring and control system
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US7805259B2 (en) * 2006-01-13 2010-09-28 Cosmo Instruments Co., Ltd. Method for detecting an operation malfunction of a leakage inspector, and a leakage inspector having a function to detect an operation malfunction thereof
US20090131863A1 (en) * 2006-02-27 2009-05-21 Fluidnet Corporation Volume Measurement Using Gas Laws
CA2970214C (en) 2006-04-14 2021-08-17 Deka Products Limited Partnership System for pumping a biological fluid
US10537671B2 (en) 2006-04-14 2020-01-21 Deka Products Limited Partnership Automated control mechanisms in a hemodialysis apparatus
DE102006043607A1 (de) * 2006-09-16 2008-03-27 Continental Aktiengesellschaft Verfahren zur Diagnose der Funktion einer Niveauregelanlage eines Kraftfahrzeugs
US20080142349A1 (en) * 2006-10-31 2008-06-19 Teleflex Megatech Inc. Programmable switch and method for programming the same
US8491184B2 (en) 2007-02-27 2013-07-23 Deka Products Limited Partnership Sensor apparatus systems, devices and methods
WO2008106191A2 (en) 2007-02-27 2008-09-04 Deka Products Limited Partnership Hemodialysis systems and methods
US20080253911A1 (en) 2007-02-27 2008-10-16 Deka Products Limited Partnership Pumping Cassette
US8409441B2 (en) 2007-02-27 2013-04-02 Deka Products Limited Partnership Blood treatment systems and methods
US8042563B2 (en) * 2007-02-27 2011-10-25 Deka Products Limited Partnership Cassette system integrated apparatus
US8562834B2 (en) 2007-02-27 2013-10-22 Deka Products Limited Partnership Modular assembly for a portable hemodialysis system
US9028691B2 (en) 2007-02-27 2015-05-12 Deka Products Limited Partnership Blood circuit assembly for a hemodialysis system
US8425471B2 (en) 2007-02-27 2013-04-23 Deka Products Limited Partnership Reagent supply for a hemodialysis system
US20090107335A1 (en) 2007-02-27 2009-04-30 Deka Products Limited Partnership Air trap for a medical infusion device
US10463774B2 (en) 2007-02-27 2019-11-05 Deka Products Limited Partnership Control systems and methods for blood or fluid handling medical devices
US8357298B2 (en) 2007-02-27 2013-01-22 Deka Products Limited Partnership Hemodialysis systems and methods
US8393690B2 (en) 2007-02-27 2013-03-12 Deka Products Limited Partnership Enclosure for a portable hemodialysis system
US8336369B2 (en) 2007-05-24 2012-12-25 Select Comfort Corporation System and method for detecting a leak in an air bed
US8771508B2 (en) * 2008-08-27 2014-07-08 Deka Products Limited Partnership Dialyzer cartridge mounting arrangement for a hemodialysis system
US10201647B2 (en) 2008-01-23 2019-02-12 Deka Products Limited Partnership Medical treatment system and methods using a plurality of fluid lines
WO2009094179A2 (en) 2008-01-23 2009-07-30 Deka Products Limited Partnership Fluid flow occluder and methods of use for medical treatment systems
US20110015589A1 (en) * 2009-07-14 2011-01-20 Pal Svedman Disposable therapeutic device
US20110112490A1 (en) * 2009-07-14 2011-05-12 Vogel David C Releasably Sealable Wound Dressing for NPWT
US8444613B2 (en) * 2009-07-14 2013-05-21 Richard Vogel Pump leak monitor for negative pressure wound therapy
US20110015585A1 (en) * 2009-07-14 2011-01-20 Pal Svedman Method and device for providing intermittent negative pressure wound healing
US20110015590A1 (en) * 2009-07-14 2011-01-20 Pal Svedman Disposable therapeutic device
US20110015619A1 (en) * 2009-07-16 2011-01-20 Pal Svedman Wound dressings for negative pressure therapy in deep wounds and method of using
US10031042B2 (en) 2009-08-18 2018-07-24 Innovative Pressure Testing, Llc System and method for detecting leaks
EP2467691A4 (de) * 2009-08-18 2015-12-02 Charles M Franklin System und verfahren zur leckageerkennung
US20110112574A1 (en) * 2009-09-11 2011-05-12 Svedman Pal Paul Device for manual traction wound closure
US20110106058A1 (en) * 2009-10-29 2011-05-05 Pal Svedman Adhesive Flange Attachment Reinforcer For Suction Port
JP2013509271A (ja) 2009-10-30 2013-03-14 デカ・プロダクツ・リミテッド・パートナーシップ 血管アクセスデバイスの離脱を検知するための装置および方法
US8066243B2 (en) * 2010-01-08 2011-11-29 Richard C. Vogel Adapter for portable negative pressure wound therapy device
DE102011004928A1 (de) * 2010-03-09 2011-12-22 Alfmeier Präzision AG Baugruppen und Systemlösungen Drucksensor, Ventilbaugruppe und Verfahren zu deren Betrieb
US9999717B2 (en) 2011-05-24 2018-06-19 Deka Products Limited Partnership Systems and methods for detecting vascular access disconnection
MX368025B (es) 2011-05-24 2019-09-13 Deka Products Lp Sistema de hemodiálisis.
AU2012259459B2 (en) 2011-05-24 2016-06-02 Deka Products Limited Partnership Blood treatment systems and methods
US10301930B2 (en) 2013-10-17 2019-05-28 Innovative Pressure Testing, Llc System and method for a benchmark pressure test
DK3058327T3 (da) 2013-10-17 2019-05-06 Innovative Pressure Testing Llc System og metode til en test af benchmark-tryk
US9518461B2 (en) * 2013-10-17 2016-12-13 Innovative Pressure Testing, Llc System and method for a pressure test
US12026271B2 (en) 2014-05-27 2024-07-02 Deka Products Limited Partnership Control systems and methods for blood or fluid handling medical devices
MX2023002575A (es) 2014-06-05 2023-03-13 Deka Products Lp Sistema para calcular un cambio en volumen de fluido en una camara de bombeo.
US11007082B2 (en) 2014-07-23 2021-05-18 Innovative Therapies Inc. Foam laminate dressing
US11619244B2 (en) 2017-06-09 2023-04-04 Liberty Vehicle Technologies Limited Fluidic control system
CN109596261A (zh) * 2018-12-11 2019-04-09 中国航发贵州红林航空动力控制科技有限公司 一种带细管组件内腔真空度测量、快速抽真空方法及装置
CN210741775U (zh) * 2019-08-09 2020-06-12 宁德时代新能源科技股份有限公司 气密性检测装置
US20230000262A1 (en) * 2020-03-23 2023-01-05 Shenzhen Onethird Sleep Technology Co., Ltd Air bag self-checking system and method
US11867591B2 (en) 2020-11-12 2024-01-09 Lockheed Martin Corporation Backup oxygen supply bottle pressure measurement and leak test tool
US11692672B2 (en) 2020-12-17 2023-07-04 Lockheed Martin Corporation Pressure relief shipping adapter for a bottle head assembly
CN112798199B (zh) * 2020-12-31 2024-01-12 雅勃医药化工设备(江苏)有限公司 一种高压氧舱的气密性自检方法

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US2831478A (en) * 1955-04-30 1958-04-22 Uddenberg Goran Olof Apparatuses for observing and measuring of pressures within organs of the human body
US2936611A (en) * 1959-01-16 1960-05-17 Mat Lee E Le Leak testing system
US3099268A (en) * 1960-08-01 1963-07-30 Gene W Smith Plastic protectors for sheet material and the like
US3299882A (en) * 1963-10-25 1967-01-24 Du Pont Physiologic fluid pressure sensor mount
NO125760B (de) * 1971-02-17 1972-10-30 Sentralinst For Ind Forskning
US3831588A (en) * 1972-10-16 1974-08-27 Device Res Inc Pressure sensing device
FR2229054B1 (de) * 1973-05-10 1977-11-04 Chausson Usines Sa
US4003141A (en) * 1975-04-01 1977-01-18 New Research And Development Lab., Inc. Intracranial pressure monitoring device
US4206761A (en) * 1976-06-21 1980-06-10 Cosman Eric R Pressure-balanced telemetric pressure sensing method
US4206762A (en) * 1976-06-21 1980-06-10 Cosman Eric R Telemetric differential pressure sensing method
JPS5932136B2 (ja) * 1976-08-27 1984-08-07 株式会社医療工学研究所 脳圧測定装置
US4059984A (en) * 1976-10-14 1977-11-29 International Telephone And Telegraph Corporation Fluid leak detector
US4128013A (en) * 1977-07-08 1978-12-05 Perry Joseph A Pressure transducer
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US4393878A (en) * 1980-11-28 1983-07-19 Meadox Instruments, Inc. Pressure monitoring method and apparatus

Also Published As

Publication number Publication date
JPS59500430A (ja) 1984-03-15
EP0103624A1 (de) 1984-03-28
JPH0418614B2 (de) 1992-03-27
EP0103624B1 (de) 1988-09-07
CA1194578A (en) 1985-10-01
EP0103624A4 (de) 1985-07-01
WO1983003136A1 (en) 1983-09-15
US4441357A (en) 1984-04-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee