ATE101691T1 - Mikropumpe mit verbesserter entlueftung. - Google Patents

Mikropumpe mit verbesserter entlueftung.

Info

Publication number
ATE101691T1
ATE101691T1 AT90916004T AT90916004T ATE101691T1 AT E101691 T1 ATE101691 T1 AT E101691T1 AT 90916004 T AT90916004 T AT 90916004T AT 90916004 T AT90916004 T AT 90916004T AT E101691 T1 ATE101691 T1 AT E101691T1
Authority
AT
Austria
Prior art keywords
pct
orifice
micropump
downstream compartment
wall
Prior art date
Application number
AT90916004T
Other languages
English (en)
Inventor
Lintel Harald T G Van
Original Assignee
Westonbridge Int 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
Application filed by Westonbridge Int Ltd filed Critical Westonbridge Int Ltd
Application granted granted Critical
Publication of ATE101691T1 publication Critical patent/ATE101691T1/de

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
    • A61M5/16804—Flow controllers
    • A61M5/16809—Flow controllers by repeated filling and emptying of an intermediate volume
    • 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
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
    • F04B43/043—Micropumps
    • F04B43/046—Micropumps with piezoelectric drive
    • 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
    • A61M2005/1401—Functional features
    • A61M2005/1402—Priming
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0244—Micromachined materials, e.g. made from silicon wafers, microelectromechanical systems [MEMS] or comprising nanotechnology
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0272—Electro-active or magneto-active materials
    • A61M2205/0294—Piezoelectric materials
    • 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
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Reciprocating Pumps (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • External Artificial Organs (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Jet Pumps And Other Pumps (AREA)
AT90916004T 1989-11-10 1990-11-07 Mikropumpe mit verbesserter entlueftung. ATE101691T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH4055/89A CH681168A5 (en) 1989-11-10 1989-11-10 Micro-pump for medicinal dosing
CH694/90A CH682456A5 (fr) 1989-11-10 1990-03-05 Micropompe.
EP90916004A EP0453532B1 (de) 1989-11-10 1990-11-07 Mikropumpe mit verbesserter entlüftung
PCT/EP1990/001861 WO1991007591A1 (en) 1989-11-10 1990-11-07 Micropump with improved priming

Publications (1)

Publication Number Publication Date
ATE101691T1 true ATE101691T1 (de) 1994-03-15

Family

ID=25685393

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90916004T ATE101691T1 (de) 1989-11-10 1990-11-07 Mikropumpe mit verbesserter entlueftung.

Country Status (12)

Country Link
US (1) US5219278A (de)
EP (1) EP0453532B1 (de)
JP (1) JP2982911B2 (de)
AT (1) ATE101691T1 (de)
AU (1) AU642440B2 (de)
CA (1) CA2045398A1 (de)
CH (2) CH681168A5 (de)
DE (1) DE69006721T2 (de)
ES (1) ES2049989T3 (de)
IE (1) IE904043A1 (de)
PT (1) PT95847A (de)
WO (1) WO1991007591A1 (de)

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ES2061042T3 (es) * 1989-06-14 1994-12-01 Westonbridge Int Ltd Microbomba perfeccionada.

Also Published As

Publication number Publication date
IE904043A1 (en) 1991-05-22
JP2982911B2 (ja) 1999-11-29
DE69006721T2 (de) 1994-08-04
AU642440B2 (en) 1993-10-21
CH682456A5 (fr) 1993-09-30
ES2049989T3 (es) 1994-05-01
PT95847A (pt) 1992-07-31
US5219278A (en) 1993-06-15
JPH04502796A (ja) 1992-05-21
WO1991007591A1 (en) 1991-05-30
EP0453532B1 (de) 1994-02-16
AU6632790A (en) 1991-06-13
DE69006721D1 (de) 1994-03-24
EP0453532A1 (de) 1991-10-30
CH681168A5 (en) 1993-01-29
CA2045398A1 (en) 1991-05-11

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