GB2074665B - Double acting continuous flow system type pump - Google Patents

Double acting continuous flow system type pump

Info

Publication number
GB2074665B
GB2074665B GB8121782A GB8121782A GB2074665B GB 2074665 B GB2074665 B GB 2074665B GB 8121782 A GB8121782 A GB 8121782A GB 8121782 A GB8121782 A GB 8121782A GB 2074665 B GB2074665 B GB 2074665B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
continuous flow
flow system
double acting
type pump
system type
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
Application number
GB8121782A
Other versions
GB2074665A (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.)
BIONOSTICS SA
Original Assignee
BIONOSTICS SA
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
Grant date

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B5/00Machines or pumps with differential surface pistons
    • F04B5/02Machines or pumps with differential surface pistons with double-acting pistons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/14212Pumping with an aspiration and an expulsion action
    • A61M5/14216Reciprocating piston type
    • A61M5/1422Reciprocating piston type with double acting or multiple pistons
GB8121782A 1979-11-19 1980-11-18 Double acting continuous flow system type pump Expired GB2074665B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US9523079 true 1979-11-19 1979-11-19

Publications (2)

Publication Number Publication Date
GB2074665A true GB2074665A (en) 1981-11-04
GB2074665B true GB2074665B (en) 1983-11-09

Family

ID=22250808

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8121782A Expired GB2074665B (en) 1979-11-19 1980-11-18 Double acting continuous flow system type pump

Country Status (5)

Country Link
EP (1) EP0040250A4 (en)
CA (1) CA1170532A (en)
GB (1) GB2074665B (en)
NL (1) NL8020473A (en)
WO (1) WO1981001445A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5066282A (en) * 1987-09-23 1991-11-19 Leocor, Inc. Positive displacement piston driven blood pump
US4838860A (en) * 1987-06-26 1989-06-13 Pump Controller Corporation Infusion pump
US5632606A (en) * 1993-11-23 1997-05-27 Sarcos Group Volumetric pump/valve
US6224572B1 (en) 1995-05-04 2001-05-01 Sarcos L.C. Piston-actuated attachable topical fluid delivery system
US9593370B2 (en) 2010-10-01 2017-03-14 Oxford Nanopore Technologies Ltd. Biochemical analysis apparatus and rotary valve
GB201112049D0 (en) 2011-07-13 2011-08-31 Oxford Nanopore Tech Ltd One-way valve
WO2013038164A3 (en) * 2011-09-15 2013-12-27 Oxford Nanopore Technologies Limited Piston seal

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1128089A (en) * 1913-03-17 1915-02-09 Fort Wayne Engineering And Mfg Company Differential pump.
DE835239C (en) * 1944-12-03 1952-03-31 Maschf Augsburg Nuernberg Ag poetry
FR1075780A (en) * 1952-04-26 1954-10-20 Improvements to the differential pumps
GB958171A (en) * 1962-07-27 1964-05-13 Weltis Engineering Company Ltd Improvements in or relating to double-acting reciprocating pumps for liquids
DE1557074A1 (en) * 1966-09-16 1971-04-29 Reece Corp Chemical device for proportional mixing liquids
US3391646A (en) * 1967-09-28 1968-07-09 Paul W. Schlosser Piston assembly for pump
DE2613447C3 (en) * 1976-03-30 1979-01-11 Wabco Westinghouse Gmbh, 3000 Hannover
US4162616A (en) * 1976-04-02 1979-07-31 Tokico Ltd. Hydraulic master cylinder
ES234032Y (en) * 1978-02-17 1979-01-01 Infusion pumping device in medical applications

Also Published As

Publication number Publication date Type
CA1170532A (en) 1984-07-10 grant
CA1170532A1 (en) grant
EP0040250A1 (en) 1981-11-25 application
NL8020473A (en) 1981-10-01 application
GB2074665A (en) 1981-11-04 application
EP0040250A4 (en) 1982-03-10 application
WO1981001445A1 (en) 1981-05-28 application

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Legal Events

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