DE60021889D1 - Gleichstrommotorsicherheitsschaltung für flüssigkeitsabgabesysteme - Google Patents

Gleichstrommotorsicherheitsschaltung für flüssigkeitsabgabesysteme

Info

Publication number
DE60021889D1
DE60021889D1 DE60021889T DE60021889T DE60021889D1 DE 60021889 D1 DE60021889 D1 DE 60021889D1 DE 60021889 T DE60021889 T DE 60021889T DE 60021889 T DE60021889 T DE 60021889T DE 60021889 D1 DE60021889 D1 DE 60021889D1
Authority
DE
Germany
Prior art keywords
voltage potential
safety circuit
driven device
power line
controller
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 - Lifetime
Application number
DE60021889T
Other languages
English (en)
Other versions
DE60021889T2 (de
Inventor
B Moberg
D Causey
Lee Renger
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.)
Medtronic Minimed Inc
Original Assignee
Medtronic Minimed Inc
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 Medtronic Minimed Inc filed Critical Medtronic Minimed Inc
Publication of DE60021889D1 publication Critical patent/DE60021889D1/de
Application granted granted Critical
Publication of DE60021889T2 publication Critical patent/DE60021889T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/288—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using variable impedance
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
    • H02H7/0844—Fail safe control, e.g. by comparing control signal and controlled current, isolating motor on commutation error

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Power Engineering (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Control Of Direct Current Motors (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Coating Apparatus (AREA)
  • External Artificial Organs (AREA)
DE60021889T 1999-06-17 2000-06-16 Gleichstrommotorsicherheitsschaltung für flüssigkeitsabgabesysteme Expired - Lifetime DE60021889T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US335008 1999-06-17
US09/335,008 US6259587B1 (en) 1999-06-17 1999-06-17 Direct current motor safety circuits for fluid delivery systems
PCT/US2000/016655 WO2000079676A1 (en) 1999-06-17 2000-06-16 Direct current motor safety circuits for fluid delivery systems

Publications (2)

Publication Number Publication Date
DE60021889D1 true DE60021889D1 (de) 2005-09-15
DE60021889T2 DE60021889T2 (de) 2006-06-01

Family

ID=23309846

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60021889T Expired - Lifetime DE60021889T2 (de) 1999-06-17 2000-06-16 Gleichstrommotorsicherheitsschaltung für flüssigkeitsabgabesysteme

Country Status (8)

Country Link
US (1) US6259587B1 (de)
EP (1) EP1192706B1 (de)
JP (1) JP2003503002A (de)
AT (1) ATE301881T1 (de)
AU (1) AU5495000A (de)
CA (1) CA2374407C (de)
DE (1) DE60021889T2 (de)
WO (1) WO2000079676A1 (de)

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Also Published As

Publication number Publication date
CA2374407A1 (en) 2000-12-28
DE60021889T2 (de) 2006-06-01
EP1192706A1 (de) 2002-04-03
CA2374407C (en) 2003-04-22
US6259587B1 (en) 2001-07-10
WO2000079676A1 (en) 2000-12-28
JP2003503002A (ja) 2003-01-21
ATE301881T1 (de) 2005-08-15
AU5495000A (en) 2001-01-09
EP1192706B1 (de) 2005-08-10

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