ATE210475T1 - Augenblickliche volumenmessvorrichtung und verfahren für unblutige messung von flüssigkeitsparametern - Google Patents

Augenblickliche volumenmessvorrichtung und verfahren für unblutige messung von flüssigkeitsparametern

Info

Publication number
ATE210475T1
ATE210475T1 AT95917087T AT95917087T ATE210475T1 AT E210475 T1 ATE210475 T1 AT E210475T1 AT 95917087 T AT95917087 T AT 95917087T AT 95917087 T AT95917087 T AT 95917087T AT E210475 T1 ATE210475 T1 AT E210475T1
Authority
AT
Austria
Prior art keywords
liquid
pump
gas
bloodless
measurement
Prior art date
Application number
AT95917087T
Other languages
English (en)
Inventor
Warren J Packard
Kenneth E Pawlak
Original Assignee
Baxter Int
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 Baxter Int filed Critical Baxter Int
Application granted granted Critical
Publication of ATE210475T1 publication Critical patent/ATE210475T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • 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
    • A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters for measuring fluid flow rate, i.e. flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
    • 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
    • A61M5/16804—Active flow controllers
    • A61M5/16809—Active flow controllers by repeated filling and emptying of an intermediate volume

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
  • Reciprocating Pumps (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measurement Of Radiation (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
AT95917087T 1994-05-19 1995-04-21 Augenblickliche volumenmessvorrichtung und verfahren für unblutige messung von flüssigkeitsparametern ATE210475T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/245,781 US5421208A (en) 1994-05-19 1994-05-19 Instantaneous volume measurement system and method for non-invasively measuring liquid parameters
PCT/US1995/004874 WO1995032014A1 (en) 1994-05-19 1995-04-21 Instantaneous volume measurement system and method for non-invasively measuring liquid parameters

Publications (1)

Publication Number Publication Date
ATE210475T1 true ATE210475T1 (de) 2001-12-15

Family

ID=22928047

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95917087T ATE210475T1 (de) 1994-05-19 1995-04-21 Augenblickliche volumenmessvorrichtung und verfahren für unblutige messung von flüssigkeitsparametern

Country Status (13)

Country Link
US (1) US5421208A (de)
EP (1) EP0708666B1 (de)
JP (2) JPH09500813A (de)
AT (1) ATE210475T1 (de)
BR (1) BR9506252A (de)
CA (1) CA2165422A1 (de)
DE (1) DE69524538T2 (de)
DK (1) DK0708666T3 (de)
ES (1) ES2169757T3 (de)
MX (1) MX9600252A (de)
PT (1) PT708666E (de)
TW (1) TW312618B (de)
WO (1) WO1995032014A1 (de)

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Also Published As

Publication number Publication date
EP0708666B1 (de) 2001-12-12
DE69524538D1 (de) 2002-01-24
DE69524538T2 (de) 2002-08-01
JP2003293960A (ja) 2003-10-15
TW312618B (de) 1997-08-11
BR9506252A (pt) 1996-04-16
EP0708666A1 (de) 1996-05-01
JPH09500813A (ja) 1997-01-28
US5421208A (en) 1995-06-06
MX9600252A (es) 1998-11-30
DK0708666T3 (da) 2002-03-18
CA2165422A1 (en) 1995-11-20
WO1995032014A1 (en) 1995-11-30
ES2169757T3 (es) 2002-07-16
PT708666E (pt) 2002-05-31

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