GB1448734A - Fluid flow monitoring devices - Google Patents

Fluid flow monitoring devices

Info

Publication number
GB1448734A
GB1448734A GB3377173A GB3377173A GB1448734A GB 1448734 A GB1448734 A GB 1448734A GB 3377173 A GB3377173 A GB 3377173A GB 3377173 A GB3377173 A GB 3377173A GB 1448734 A GB1448734 A GB 1448734A
Authority
GB
United Kingdom
Prior art keywords
fluid flow
monitoring devices
flow monitoring
devices
fluid
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
GB3377173A
Other languages
English (en)
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
Publication of GB1448734A publication Critical patent/GB1448734A/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)
GB3377173A 1972-07-14 1973-07-16 Fluid flow monitoring devices Expired GB1448734A (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
GB1448734A true GB1448734A (en) 1976-09-08

Family

ID=23036925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3377173A Expired GB1448734A (en) 1972-07-14 1973-07-16 Fluid flow monitoring devices

Country Status (5)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2319618B (en) * 1996-11-20 2000-08-23 Microbial Systems Ltd Particle sizing apparatus
US6418802B1 (en) * 1996-11-21 2002-07-16 Michael Anthony Wood Particle sizing apparatus and method of use thereof

Families Citing this family (34)

* 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 (ja) * 1984-04-09 1985-10-26 Hitachi Ltd 粒子分析装置
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
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
US7968052B2 (en) * 2005-09-22 2011-06-28 Chempaq A/S Detection and subsequent removal of an aperture blockage
US8517990B2 (en) 2007-12-18 2013-08-27 Hospira, Inc. User interface improvements for medical devices
US9240002B2 (en) 2011-08-19 2016-01-19 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
ES2741725T3 (es) 2012-03-30 2020-02-12 Icu Medical Inc Sistema de detección de aire y método para detectar aire en una bomba de un sistema de infusión
EP2879733B1 (en) 2012-07-31 2019-06-05 ICU Medical, Inc. Patient care system for critical medications
WO2014190264A1 (en) 2013-05-24 2014-11-27 Hospira, Inc. Multi-sensor infusion system for detecting air or an occlusion in the infusion system
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
CA2913915C (en) 2013-05-29 2022-03-29 Hospira, Inc. Infusion system which utilizes one or more sensors and additional information to make an air determination regarding the infusion system
AU2015222800B2 (en) 2014-02-28 2019-10-17 Icu Medical, Inc. Infusion system and method which utilizes dual wavelength optical air-in-line detection
JP2017517302A (ja) 2014-05-29 2017-06-29 ホスピーラ インコーポレイテッド 構成可能閉ループ送達速度キャッチアップを有する注入システムおよびポンプ
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 (zh) * 2016-01-30 2021-01-19 深圳市安测健康信息技术有限公司 用于快速自检血液的多通道微流控芯片
AU2017264784B2 (en) 2016-05-13 2022-04-21 Icu Medical, Inc. Infusion pump system and method with common line auto flush
JP6973801B2 (ja) 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 流れ及び気泡検出システムを有する自動出力制御液体粒子計数器
US11137341B2 (en) * 2016-06-07 2021-10-05 Essen Instruments, Inc. System and method for separation gas detection between samples
WO2017214441A1 (en) 2016-06-10 2017-12-14 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
WO2022020184A1 (en) 2020-07-21 2022-01-27 Icu Medical, Inc. Fluid transfer devices and methods of use
CN112683949B (zh) * 2020-11-30 2023-09-19 深圳市科曼医疗设备有限公司 一种宝石孔堵塞的检测方法、系统及存储介质
US11135360B1 (en) 2020-12-07 2021-10-05 Icu Medical, Inc. Concurrent infusion with common line auto flush
CA3241894A1 (en) 2021-12-10 2023-06-15 Icu Medical, Inc. Medical fluid compounding systems with coordinated flow control

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2319618B (en) * 1996-11-20 2000-08-23 Microbial Systems Ltd Particle sizing apparatus
US6389912B1 (en) 1996-11-20 2002-05-21 Michael Anthony Wood Particle sizing 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

Also Published As

Publication number Publication date
FR2193201B1 (enrdf_load_stackoverflow) 1974-07-05
FR2193201A1 (enrdf_load_stackoverflow) 1974-02-15
JPS5513300B2 (enrdf_load_stackoverflow) 1980-04-08
CA970037A (en) 1975-06-24
JPS4946473A (enrdf_load_stackoverflow) 1974-05-04
US3768084A (en) 1973-10-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee