DE68925736T2 - Motoreinheit für eine Flüssigkeitspumpe und ihre Funktionsweise - Google Patents

Motoreinheit für eine Flüssigkeitspumpe und ihre Funktionsweise

Info

Publication number
DE68925736T2
DE68925736T2 DE68925736T DE68925736T DE68925736T2 DE 68925736 T2 DE68925736 T2 DE 68925736T2 DE 68925736 T DE68925736 T DE 68925736T DE 68925736 T DE68925736 T DE 68925736T DE 68925736 T2 DE68925736 T2 DE 68925736T2
Authority
DE
Germany
Prior art keywords
rotor
works
motor unit
liquid pump
rotation
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
DE68925736T
Other languages
English (en)
Other versions
DE68925736D1 (de
Inventor
Edward Jackson
Joseph Pasqualucci
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.)
Covidien AG
Original Assignee
Sherwood Medical Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22510168&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68925736(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sherwood Medical Co filed Critical Sherwood Medical Co
Publication of DE68925736D1 publication Critical patent/DE68925736D1/de
Application granted granted Critical
Publication of DE68925736T2 publication Critical patent/DE68925736T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • 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
    • 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
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • 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
    • A61M5/172—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 electrical or electronic
    • 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
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/04—Liquids
    • A61M2202/0468—Liquids non-physiological
    • A61M2202/0482—Enteral feeding product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/01—Motorized syringe
DE68925736T 1988-01-15 1989-01-13 Motoreinheit für eine Flüssigkeitspumpe und ihre Funktionsweise Expired - Fee Related DE68925736T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/144,795 US4884013A (en) 1988-01-15 1988-01-15 Motor unit for a fluid pump and method of operation

Publications (2)

Publication Number Publication Date
DE68925736D1 DE68925736D1 (de) 1996-03-28
DE68925736T2 true DE68925736T2 (de) 1996-10-17

Family

ID=22510168

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68925736T Expired - Fee Related DE68925736T2 (de) 1988-01-15 1989-01-13 Motoreinheit für eine Flüssigkeitspumpe und ihre Funktionsweise
DE8989300296T Expired - Lifetime DE68907069D1 (de) 1988-01-15 1989-01-13 Motoreinheit fuer eine fluessigkeitspumpe.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8989300296T Expired - Lifetime DE68907069D1 (de) 1988-01-15 1989-01-13 Motoreinheit fuer eine fluessigkeitspumpe.

Country Status (8)

Country Link
US (1) US4884013A (de)
EP (2) EP0508556B1 (de)
JP (1) JP2948597B2 (de)
AT (2) ATE90578T1 (de)
AU (2) AU609568B2 (de)
CA (1) CA1302481C (de)
DE (2) DE68925736T2 (de)
HK (1) HK154196A (de)

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Also Published As

Publication number Publication date
AU609568B2 (en) 1991-05-02
EP0508556B1 (de) 1996-02-21
AU637899B2 (en) 1993-06-10
HK154196A (en) 1996-08-16
DE68925736D1 (de) 1996-03-28
EP0327209A2 (de) 1989-08-09
ATE90578T1 (de) 1993-07-15
EP0508556A1 (de) 1992-10-14
JP2948597B2 (ja) 1999-09-13
AU7604291A (en) 1991-07-18
CA1302481C (en) 1992-06-02
JPH01310183A (ja) 1989-12-14
ATE134313T1 (de) 1996-03-15
EP0327209B1 (de) 1993-06-16
DE68907069D1 (de) 1993-07-22
US4884013A (en) 1989-11-28
AU2848689A (en) 1989-07-20
EP0327209A3 (en) 1989-11-15

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