DK2241344T3 - Bærbar infusionsindretning med føler-afprøvningsenhed - Google Patents

Bærbar infusionsindretning med føler-afprøvningsenhed Download PDF

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Publication number
DK2241344T3
DK2241344T3 DK09005407.3T DK09005407T DK2241344T3 DK 2241344 T3 DK2241344 T3 DK 2241344T3 DK 09005407 T DK09005407 T DK 09005407T DK 2241344 T3 DK2241344 T3 DK 2241344T3
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DK
Denmark
Prior art keywords
variable
supply
sensor
variation
output
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DK09005407.3T
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English (en)
Inventor
Stefan Lindegger
Reto Schrotberger
Alex Mueri
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Hoffmann La Roche
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Publication of DK2241344T3 publication Critical patent/DK2241344T3/da

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40Testing power supplies
    • 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
    • A61M5/14244Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • 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
    • A61M5/14244Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14276Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body specially adapted for implantation
    • 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
    • A61M5/168Means 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

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Claims (15)

1. Bærbar infusionsindretning til infusion af et flydende lægemiddel i en patients legeme over et længere tidsrum, og som omfatter: a) et føler-arrangement (102, 112) med en føler (102), hvor følerarrangementet (102, 112) er således udformet, at det kan tilvejebringe en udgangsvariabel, som er afhængig af en infusions-variabel og afhængig af en forsyningsvariabel, b) en forsyningsenhed (104), som er sammenkoblet med føleren (102) og således udformet, at den kan tilvejebringe nævnte forsyningsvariabel, kendetegnet ved, c) en føler-afprøvningsenhed (114) til kontrol af den korrekte virkemåde af føler-arrangementet (102, 112), hvilken føler-afprøvningsenhed (114) er koblet sammen med føler-arrangementet (102, 112) og forsyningsenheden (104), og at føler-afprøvningsenheden (114) er således udformet, at den kan udføre en føler-prøvesekvens, som i de trin, at styre forsyningsenheden (104), så at denne ændrer forsyningsvariablen og bestemme om variationen i forsyningsvariablen er afspejlet i en forventet variation i udgangsvariablen.
2. Bærbar infusionsindretning ifølge krav 1, kendetegnet ved, at infusionsvariablen er et lægemiddel-tryk eller en variabel, som er korreleret med lægemiddel-trykket.
3. Bærbar infusionsindretning ifølge ethvert af de foregående krav, kendetegnet ved, at forsyningsenheden (104) omfatter en variabel spændingsforsyning (106, 108) eller en variabel strømforsyning.
4. Bærbar infusionsindretning ifølge ethvert af de foregående krav, kendetegnet ved, at forsyningsenheden (104) er således udformet, at den kan tilvejebringe et sæt på mindst to diskrete niveauer af forsyningsvariablen.
5. Bærbar infusionsindretning ifølge krav 4, kendetegnet ved, at forsyningsenheden (104) omfatter mindst én omskiftelig, faldende modstand (315) eller shunt til ændring af forsyningsvariablen.
6. Bærbar infusionsindretning ifølge ethvert af kravene 1 til 3, kendetegnet ved, at forsyningsenheden (104) er således udformet, at den kan tilvejebringe en forsyningsvariabel, som er en i hovedsagen kontinuerlig variabel.
7. Bærbar infusionsindretning ifølge ethvert af de foregående krav, kendetegnet ved, at den forventede variation i udgangsvariablen ved variation af forsyningsvariablen er proportional med variationen af forsyningsvariablen.
8. Bærbar infusionsindretning ifølge ethvert af de foregående krav, kendetegnet ved, at føler-arrangementet omfatter en føler med mindst én kraft- og/el-ler trykfølsom modstand eller mindst én strækføler (310a, 310b, 310c, 31 Od).
9. Bærbar infusionsindretning ifølge ethvert af de foregående krav, kendetegnet ved, at føler-afprøvningsenheden (114) er således udformet, at den kan måle værdien af forsyningsvariablen.
10. Fremgangsmåde til overvågning af korrekt drift af et føler-arrangement (102, 112) i en bærbar infusionsindretning, og dette ved, at man udfører en føler-afprøvningssekvens, idet føler-arrangementet er således udformet, at det kan tilvejebringe en udgangsvariabel, som er afhængig af en infusionsvariabel og afhængig af en forsyningsvariabel, som er tilvejebragt i forbindelse med en føler (102) i føler-arrangementet (102, 112), hvilken føler-afprøvningssekvens omfatter de trin: a) at man varierer forsyningsvariablen, og b) at man bestemmer om variationen i forsyningsvariablen er afspejlet ved en forventet variation i udgangsvariablen.
11. Fremgangsmåde ifølge krav 10, kendetegnet ved det trin, at man varierer forsyningsvariablen ved, at omskifte værdien af forsyningsvariablen mellem mindst to diskrete forsyningsniveauer.
12. Fremgangsmåde ifølge enten krav 10 eller krav 11, kendetegnet ved det trin, at man bestemmer, om variationen i udgangsvariablen er proportional med variationen i forsyningsvariablen.
13. Fremgangsmåde ifølge ethvert af kravene 10 til 12, kendetegnet ved, at man varierer forsyningsvariablen, så at den forventede variation i udgangsvariablen bliver stor sammenlignet med den variation i udgangsvariablen, som hidrører fra variation i infusionsvariablen, når man udfører føler-afprøvningssekvensen.
14. Fremgangsmåde ifølge ethvert af kravene 10 til 13, kendetegnet ved, at føler-afprøvningssekvensen udføres i definerede tidsintervaller og/eller før og/-eller under og/eller efter administrationen af lægemidlet og dette ved hjælp af infusionsindretningen.
15. Fremgangsmåde ifølge ethvert af kravene 10 til 14, kendetegnet ved, at føleren omfatter mindst en kraftfølsom og/eller trykfølsom modstand eller mindst en strækføler (310a, 310b, 310c, 31 Od).
DK09005407.3T 2009-04-16 2009-04-16 Bærbar infusionsindretning med føler-afprøvningsenhed DK2241344T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09005407.3A EP2241344B1 (en) 2009-04-16 2009-04-16 Ambulatory infusion device with sensor testing unit

Publications (1)

Publication Number Publication Date
DK2241344T3 true DK2241344T3 (da) 2014-03-03

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EP (1) EP2241344B1 (da)
DK (1) DK2241344T3 (da)

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EP2241344A1 (en) 2010-10-20
EP2241344B1 (en) 2013-12-11
US8373421B2 (en) 2013-02-12
US9222987B2 (en) 2015-12-29
US20100264931A1 (en) 2010-10-21

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