CA970037A - Particle counter having clog and bubble alarms - Google Patents

Particle counter having clog and bubble alarms

Info

Publication number
CA970037A
CA970037A CA176,229A CA176229A CA970037A CA 970037 A CA970037 A CA 970037A CA 176229 A CA176229 A CA 176229A CA 970037 A CA970037 A CA 970037A
Authority
CA
Canada
Prior art keywords
clog
alarms
bubble
particle counter
counter
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
CA176,229A
Other versions
CA176229S (en
Inventor
John L. Haynes
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.)
Becton Dickinson and Co
Original Assignee
Becton Dickinson and Co
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 Becton Dickinson and Co filed Critical Becton Dickinson and Co
Application granted granted Critical
Publication of CA970037A publication Critical patent/CA970037A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/131—Details
    • G01N15/132—Circuits
    • 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)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Emergency Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Vascular Medicine (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
CA176,229A 1972-07-14 1973-07-11 Particle counter having clog and bubble alarms Expired CA970037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00271753A US3768084A (en) 1972-07-14 1972-07-14 Particle counter having a clog and bubble alarm

Publications (1)

Publication Number Publication Date
CA970037A true CA970037A (en) 1975-06-24

Family

ID=23036925

Family Applications (1)

Application Number Title Priority Date Filing Date
CA176,229A Expired CA970037A (en) 1972-07-14 1973-07-11 Particle counter having clog and bubble alarms

Country Status (5)

Country Link
US (1) US3768084A (en)
JP (1) JPS5513300B2 (en)
CA (1) CA970037A (en)
FR (1) FR2193201B1 (en)
GB (1) GB1448734A (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921066A (en) * 1974-02-25 1975-11-18 Angel Eng Corp Blood test device and method
US4160373A (en) * 1974-12-19 1979-07-10 United Technologies Corporation Vehicle exhaust gas analysis system with gas blockage interlock
US4296373A (en) * 1979-07-12 1981-10-20 Hycel, Inc. Hematology cell counting apparatus incorporating multiple transducers for sequential operation
JPS60213850A (en) * 1984-04-09 1985-10-26 Hitachi Ltd Particle analyzer
US4977517A (en) * 1988-09-21 1990-12-11 Toni Diagnostics, Inc. Leak and clog detection and removal system for use with particle counters
US5621392A (en) * 1991-11-05 1997-04-15 Hospal Ltd. Flow detector
GB9624096D0 (en) 1996-11-20 1997-01-08 Microbial Systems Ltd Apparatus and method of use thereof
US6418802B1 (en) * 1996-11-21 2002-07-16 Michael Anthony Wood Particle sizing apparatus and method of use thereof
WO1999053627A1 (en) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network
US6142008A (en) * 1998-06-12 2000-11-07 Abbott Laboratories Air bubble sensor
US20030063271A1 (en) * 2001-08-17 2003-04-03 Nicholes Mary Kristin Sampling and measurement system with multiple slurry chemical manifold
US20060226175A1 (en) * 2005-03-31 2006-10-12 Sealed Air Corporation (Us) Quick disconnect dip tube coupling assembly
EP1929273B1 (en) * 2005-09-22 2017-07-05 Koninklijke Philips N.V. Detection and subsequent removal of an aperture blockage
US8517990B2 (en) 2007-12-18 2013-08-27 Hospira, Inc. User interface improvements for medical devices
WO2013028497A1 (en) 2011-08-19 2013-02-28 Hospira, Inc. Systems and methods for a graphical interface including a graphical representation of medical data
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
ES2743160T3 (en) 2012-07-31 2020-02-18 Icu Medical Inc Patient care system for critical medications
US10046112B2 (en) 2013-05-24 2018-08-14 Icu Medical, 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
WO2014194065A1 (en) 2013-05-29 2014-12-04 Hospira, Inc. Infusion system and method of use which prevents over-saturation of an analog-to-digital converter
AU2015222800B2 (en) 2014-02-28 2019-10-17 Icu Medical, Inc. Infusion system and method which utilizes dual wavelength optical air-in-line detection
WO2015184366A1 (en) 2014-05-29 2015-12-03 Hospira, Inc. Infusion system and pump with configurable closed loop delivery rate catch-up
US11344668B2 (en) 2014-12-19 2022-05-31 Icu Medical, Inc. Infusion system with concurrent TPN/insulin infusion
US10850024B2 (en) 2015-03-02 2020-12-01 Icu Medical, Inc. Infusion system, device, and method having advanced infusion features
CN105728069B (en) * 2016-01-30 2021-01-19 深圳市安测健康信息技术有限公司 Multi-channel micro-fluidic chip for rapidly self-checking blood
EP3454922B1 (en) 2016-05-13 2022-04-06 ICU Medical, Inc. Infusion pump system with common line auto flush
JP6973801B2 (en) 2016-05-20 2021-12-01 パーティクル・メージャーリング・システムズ・インコーポレーテッド Automatic output control liquid particle counter with flow and bubble detection system
US11137341B2 (en) * 2016-06-07 2021-10-05 Essen Instruments, Inc. System and method for separation gas detection between samples
EP3468635B1 (en) 2016-06-10 2024-09-25 ICU Medical, Inc. Acoustic flow sensor for continuous medication flow measurements and feedback control of infusion
US10089055B1 (en) 2017-12-27 2018-10-02 Icu Medical, Inc. Synchronized display of screen content on networked devices
US11278671B2 (en) 2019-12-04 2022-03-22 Icu Medical, Inc. Infusion pump with safety sequence keypad
AU2021311443A1 (en) 2020-07-21 2023-03-09 Icu Medical, Inc. Fluid transfer devices and methods of use
CN112683949B (en) * 2020-11-30 2023-09-19 深圳市科曼医疗设备有限公司 Gem hole blocking detection method, system and storage medium
US11135360B1 (en) 2020-12-07 2021-10-05 Icu Medical, Inc. Concurrent infusion with common line auto flush

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656508A (en) * 1949-08-27 1953-10-20 Wallace H Coulter Means for counting particles suspended in a fluid
US3114257A (en) * 1959-03-09 1963-12-17 Western Electric Co Apparatus for sensing the flow of a substance through a liquid medium
US3083909A (en) * 1960-04-05 1963-04-02 New Brunswick Scientific Co Bacteria-counting apparatus
US3165692A (en) * 1961-05-15 1965-01-12 Technicon Instr Continuously operable apparatus and method for counting particles in successive portions of a flowing fluid stream
US3603875A (en) * 1969-05-12 1971-09-07 Coulter Electronics Particle analyzing method and apparatus employing multiple apertures and multiple channels per aperture

Also Published As

Publication number Publication date
GB1448734A (en) 1976-09-08
FR2193201A1 (en) 1974-02-15
JPS5513300B2 (en) 1980-04-08
US3768084A (en) 1973-10-23
FR2193201B1 (en) 1974-07-05
JPS4946473A (en) 1974-05-04

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