EP0862470A4 - Liquid flow rate control device - Google Patents

Liquid flow rate control device

Info

Publication number
EP0862470A4
EP0862470A4 EP96935920A EP96935920A EP0862470A4 EP 0862470 A4 EP0862470 A4 EP 0862470A4 EP 96935920 A EP96935920 A EP 96935920A EP 96935920 A EP96935920 A EP 96935920A EP 0862470 A4 EP0862470 A4 EP 0862470A4
Authority
EP
European Patent Office
Prior art keywords
control device
flow rate
liquid flow
rate control
liquid
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.)
Withdrawn
Application number
EP96935920A
Other languages
German (de)
French (fr)
Other versions
EP0862470A1 (en
Inventor
Phillip H Darling Jr
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US08/674,552 external-priority patent/US5730730A/en
Application filed by Individual filed Critical Individual
Publication of EP0862470A1 publication Critical patent/EP0862470A1/en
Publication of EP0862470A4 publication Critical patent/EP0862470A4/en
Withdrawn legal-status Critical Current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
    • A61M5/1411—Drip chambers
    • 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
    • A61M5/16818—Flow controllers by changing the height of the reservoir
    • 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
    • A61M5/16877—Adjusting flow; Devices for setting a flow rate
    • A61M5/16881—Regulating valves
    • 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
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3382—Upper level detectors
    • 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
    • A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
    • A61M5/40—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 with means for eliminating or preventing injection or infusion of air into body using low-level float-valve to cut off media flow from reservoir
EP96935920A 1995-09-29 1996-09-24 Liquid flow rate control device Withdrawn EP0862470A4 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US674552 1984-11-26
US463495P 1995-09-29 1995-09-29
US4634P 1995-09-29
US08/674,552 US5730730A (en) 1995-09-29 1996-07-01 Liquid flow rate control device
US71788296A 1996-09-23 1996-09-23
US717882 1996-09-23
PCT/US1996/015250 WO1997011729A1 (en) 1995-09-29 1996-09-24 Liquid flow rate control device

Publications (2)

Publication Number Publication Date
EP0862470A1 EP0862470A1 (en) 1998-09-09
EP0862470A4 true EP0862470A4 (en) 1999-06-16

Family

ID=27357676

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96935920A Withdrawn EP0862470A4 (en) 1995-09-29 1996-09-24 Liquid flow rate control device

Country Status (4)

Country Link
EP (1) EP0862470A4 (en)
AU (1) AU723789B2 (en)
CA (1) CA2235720C (en)
WO (1) WO1997011729A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9731070B2 (en) 2014-06-30 2017-08-15 Carefusion 303, Inc. Passive start drip chamber
CA3075516C (en) * 2017-11-14 2022-07-26 Fresenius Medical Care Holdings, Inc. Removal of microbubbles through drip chamber nucleation sites
CN109908427A (en) * 2019-04-19 2019-06-21 长春市亿健科技有限公司 A kind of infusion device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667464A (en) * 1970-09-04 1972-06-06 Lawrence M Alligood Jr Fluid dispensing device
US4096879A (en) * 1976-08-19 1978-06-27 International Biomedical Laboratories, Inc. Adjustable fluid flow regulator
US4269222A (en) * 1979-03-27 1981-05-26 Palti Yoram Prof Constant flow device
GB2089944A (en) * 1980-12-23 1982-06-30 Wallace Ltd H G Flow Regulating Device
US4340050A (en) * 1980-12-29 1982-07-20 Delmed Inc. Medical fluid flow rate indicating/controlling device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929157A (en) 1974-06-17 1975-12-30 Juan R Serur Fluid flow regulator
US3931818A (en) * 1974-07-22 1976-01-13 Michael Goldowsky Liquid administration apparatus
IL45485A (en) * 1974-08-18 1976-10-31 Yarden Medical Eng Ltd Constant-flow device for intravenous infusion set
US3989043A (en) * 1974-12-23 1976-11-02 John Dimeff Automatic flow control and automatic shut off for intravenous feeders
US4588396A (en) 1982-10-22 1986-05-13 Stroebel Maurice G Apparatus for gravity feed of liquid under constant hydrostatic pressure
US4789000A (en) 1984-07-13 1988-12-06 Aslanian Jerry L Flow control device for administration
US4802506A (en) 1984-07-13 1989-02-07 Aslanian Jerry L Flow control device for administration of intravenous fluids
US4807660A (en) 1984-07-13 1989-02-28 Aslanian Jerry L Flow control device for administration of intravenous fluids

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667464A (en) * 1970-09-04 1972-06-06 Lawrence M Alligood Jr Fluid dispensing device
US4096879A (en) * 1976-08-19 1978-06-27 International Biomedical Laboratories, Inc. Adjustable fluid flow regulator
US4269222A (en) * 1979-03-27 1981-05-26 Palti Yoram Prof Constant flow device
GB2089944A (en) * 1980-12-23 1982-06-30 Wallace Ltd H G Flow Regulating Device
US4340050A (en) * 1980-12-29 1982-07-20 Delmed Inc. Medical fluid flow rate indicating/controlling device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9711729A1 *

Also Published As

Publication number Publication date
EP0862470A1 (en) 1998-09-09
AU7369696A (en) 1997-04-17
CA2235720A1 (en) 1997-04-03
CA2235720C (en) 2002-08-06
AU723789B2 (en) 2000-09-07
WO1997011729A1 (en) 1997-04-03

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