CA2000057A1 - Pump for automatic and slow drainage of a vial - Google Patents

Pump for automatic and slow drainage of a vial

Info

Publication number
CA2000057A1
CA2000057A1 CA 2000057 CA2000057A CA2000057A1 CA 2000057 A1 CA2000057 A1 CA 2000057A1 CA 2000057 CA2000057 CA 2000057 CA 2000057 A CA2000057 A CA 2000057A CA 2000057 A1 CA2000057 A1 CA 2000057A1
Authority
CA
Canada
Prior art keywords
pump
chamber
valve
piston
housing
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.)
Abandoned
Application number
CA 2000057
Other languages
English (en)
French (fr)
Inventor
Nils B. Nilson
Arne T. Eek
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.)
AstraZeneca AB
Original Assignee
Astra AB
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 Astra AB filed Critical Astra AB
Publication of CA2000057A1 publication Critical patent/CA2000057A1/en
Abandoned 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
    • A61M5/142—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
    • A61M5/14526—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons the piston being actuated by fluid 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
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M2005/14513—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons with secondary fluid driving or regulating the infusion
    • 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
    • A61M5/1456—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir comprising a piston rod to be moved into the reservoir, e.g. the piston rod is part of the removable reservoir

Landscapes

  • Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • External Artificial Organs (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
CA 2000057 1988-10-27 1989-10-02 Pump for automatic and slow drainage of a vial Abandoned CA2000057A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8803842-7 1988-10-27
SE8803842A SE464684B (sv) 1988-10-27 1988-10-27 Pump foer automatisk och laangsam toemning av en ampull

Publications (1)

Publication Number Publication Date
CA2000057A1 true CA2000057A1 (en) 1990-04-27

Family

ID=20373753

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2000057 Abandoned CA2000057A1 (en) 1988-10-27 1989-10-02 Pump for automatic and slow drainage of a vial

Country Status (8)

Country Link
EP (1) EP0446212A1 (sv)
JP (1) JPH04501367A (sv)
AU (1) AU4410889A (sv)
CA (1) CA2000057A1 (sv)
DK (1) DK75891A (sv)
FI (1) FI912043A0 (sv)
SE (1) SE464684B (sv)
WO (1) WO1990004422A1 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5135500A (en) * 1989-10-31 1992-08-04 Prime Medical Products, Inc. Self-driven pump device
SE9002510D0 (sv) * 1990-07-26 1990-07-26 Kabivitrum Ab Apparatur for controlled delivery of liquids

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1549402A (en) * 1976-09-28 1979-08-08 Pye Ltd Apparatus for delivering fluids with controlled rate of flow
US4561856A (en) * 1983-08-18 1985-12-31 Cochran Ulrich D Infusion pump
US4744786A (en) * 1986-06-17 1988-05-17 Cordis Corporation Infusion pump
US4773900A (en) * 1986-08-20 1988-09-27 Cochran Ulrich D Infusion device

Also Published As

Publication number Publication date
FI912043A0 (fi) 1991-04-26
DK75891A (da) 1991-06-18
WO1990004422A1 (en) 1990-05-03
DK75891D0 (da) 1991-04-25
EP0446212A1 (en) 1991-09-18
SE464684B (sv) 1991-06-03
AU4410889A (en) 1990-05-14
SE8803842D0 (sv) 1988-10-27
JPH04501367A (ja) 1992-03-12
SE8803842L (sv) 1990-04-28

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Legal Events

Date Code Title Description
FZDE Dead