DE69006721D1 - Mikropumpe mit verbesserter entlüftung. - Google Patents

Mikropumpe mit verbesserter entlüftung.

Info

Publication number
DE69006721D1
DE69006721D1 DE90916004T DE69006721T DE69006721D1 DE 69006721 D1 DE69006721 D1 DE 69006721D1 DE 90916004 T DE90916004 T DE 90916004T DE 69006721 T DE69006721 T DE 69006721T DE 69006721 D1 DE69006721 D1 DE 69006721D1
Authority
DE
Germany
Prior art keywords
pct
orifice
downstream compartment
wall
compartment
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 - Fee Related
Application number
DE90916004T
Other languages
English (en)
Other versions
DE69006721T2 (de
Inventor
Lintel Harald T G Van
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.)
Westonbridge International Ltd
Original Assignee
Westonbridge International 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 International Ltd filed Critical Westonbridge International Ltd
Application granted granted Critical
Publication of DE69006721D1 publication Critical patent/DE69006721D1/de
Publication of DE69006721T2 publication Critical patent/DE69006721T2/de
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
    • A61M5/16804—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
DE69006721T 1989-11-10 1990-11-07 Mikropumpe mit verbesserter entlüftung. Expired - Fee Related DE69006721T2 (de)

Applications Claiming Priority (3)

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.
PCT/EP1990/001861 WO1991007591A1 (en) 1989-11-10 1990-11-07 Micropump with improved priming

Publications (2)

Publication Number Publication Date
DE69006721D1 true DE69006721D1 (de) 1994-03-24
DE69006721T2 DE69006721T2 (de) 1994-08-04

Family

ID=25685393

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69006721T Expired - Fee Related DE69006721T2 (de) 1989-11-10 1990-11-07 Mikropumpe mit verbesserter entlüftung.

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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FR2705693B1 (fr) * 1993-05-24 1995-07-28 Neuchatel Universite Procédé de fabrication d'un dispositif micro-usiné à contenir ou à véhiculer un fluide.
DE69431994T2 (de) * 1993-10-04 2003-10-30 Res Int Inc Mikro-bearbeitetes fluidbehandlungsvorrichtung mit filter und regelventiler
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Also Published As

Publication number Publication date
CH682456A5 (fr) 1993-09-30
AU642440B2 (en) 1993-10-21
EP0453532A1 (de) 1991-10-30
JPH04502796A (ja) 1992-05-21
JP2982911B2 (ja) 1999-11-29
CH681168A5 (en) 1993-01-29
US5219278A (en) 1993-06-15
DE69006721T2 (de) 1994-08-04
WO1991007591A1 (en) 1991-05-30
IE904043A1 (en) 1991-05-22
ATE101691T1 (de) 1994-03-15
AU6632790A (en) 1991-06-13
ES2049989T3 (es) 1994-05-01
EP0453532B1 (de) 1994-02-16
PT95847A (pt) 1992-07-31
CA2045398A1 (en) 1991-05-11

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