GB9619511D0 - Pumping and pressure detection using flexible tubes - Google Patents

Pumping and pressure detection using flexible tubes

Info

Publication number
GB9619511D0
GB9619511D0 GBGB9619511.0A GB9619511A GB9619511D0 GB 9619511 D0 GB9619511 D0 GB 9619511D0 GB 9619511 A GB9619511 A GB 9619511A GB 9619511 D0 GB9619511 D0 GB 9619511D0
Authority
GB
United Kingdom
Prior art keywords
pumping
pressure detection
flexible tubes
tubes
flexible
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.)
Granted
Application number
GBGB9619511.0A
Other versions
GB2302140B (en
GB2302140A (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.)
Graseby Medical Ltd
Original Assignee
Graseby Medical Ltd
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
Priority claimed from GB9405523A external-priority patent/GB9405523D0/en
Application filed by Graseby Medical Ltd filed Critical Graseby Medical Ltd
Priority to GB9619511A priority Critical patent/GB2302140B/en
Publication of GB9619511D0 publication Critical patent/GB9619511D0/en
Publication of GB2302140A publication Critical patent/GB2302140A/en
Application granted granted Critical
Publication of GB2302140B publication Critical patent/GB2302140B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61M5/16859—Evaluation of pressure response, e.g. to an applied pulse
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • F04B43/082—Machines, pumps, or pumping installations having flexible working members having tubular flexible members the tubular flexible member being pressed against a wall by a number of elements, each having an alternating movement in a direction perpendicular to the axes of the tubular member and each having its own driving mechanism
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/03—Pressure in the compression chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/07—Pressure difference over the pump

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Emergency Medicine (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Reciprocating Pumps (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
GB9619511A 1994-03-21 1995-03-21 Pumping and pressure detection using flexible tubes Expired - Fee Related GB2302140B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9619511A GB2302140B (en) 1994-03-21 1995-03-21 Pumping and pressure detection using flexible tubes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9405523A GB9405523D0 (en) 1994-03-21 1994-03-21 Pumping and pressure detection using flexible tubes
GB9619511A GB2302140B (en) 1994-03-21 1995-03-21 Pumping and pressure detection using flexible tubes
PCT/GB1995/000619 WO1995025893A2 (en) 1994-03-21 1995-03-21 Pumping and pressure detection using flexible tubes

Publications (3)

Publication Number Publication Date
GB9619511D0 true GB9619511D0 (en) 1996-10-30
GB2302140A GB2302140A (en) 1997-01-08
GB2302140B GB2302140B (en) 1998-04-01

Family

ID=26304546

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9619511A Expired - Fee Related GB2302140B (en) 1994-03-21 1995-03-21 Pumping and pressure detection using flexible tubes

Country Status (1)

Country Link
GB (1) GB2302140B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9607471D0 (en) 1996-04-10 1996-06-12 Baxter Int Volumetric infusion pump
GB2338760B (en) * 1996-04-10 2000-08-23 Baxter Int Volumetric infusion pump
CA3027961C (en) 2016-06-16 2021-09-07 Smiths Medical Asd, Inc. Assemblies and methods for infusion pump system administration sets
AU2018302257A1 (en) 2017-07-19 2020-01-30 Smiths Medical Asd, Inc. Housing arrangements for infusion pumps

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK457477A (en) * 1977-10-14 1979-04-15 Polystan As PUMP FOR BLOOD
US4277226A (en) * 1979-03-09 1981-07-07 Avi, Inc. IV Pump with empty supply reservoir and occlusion detector
US4255088A (en) * 1979-06-14 1981-03-10 Valleylab, Inc. Liquid pumping system having means for detecting gas in the pump
DE3803594A1 (en) * 1988-02-06 1989-08-17 Ver Foerderung Inst Kunststoff Method and apparatus for measuring the gas loading of a fluid in the processing of filled and unfilled fluids
EP0429866B1 (en) * 1989-11-02 1994-05-25 Ivac Corporation Apparatus and method for measuring pressure in a fluid line for detecting an occlusion in said fluid line
US5217355A (en) * 1991-08-05 1993-06-08 Imed Corporation Two-cycle peristaltic pump with occlusion detector
US5292306A (en) * 1993-01-29 1994-03-08 Abbott Laboratories Method of detecting occlusions in a solution pumping system

Also Published As

Publication number Publication date
GB2302140B (en) 1998-04-01
GB2302140A (en) 1997-01-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990321