DK2510960T3 - Infusionspumpeindretning med cylinderstempeldoseringsenhed og optisk stempelpositionsdetektering - Google Patents

Infusionspumpeindretning med cylinderstempeldoseringsenhed og optisk stempelpositionsdetektering Download PDF

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Publication number
DK2510960T3
DK2510960T3 DK11161979.7T DK11161979T DK2510960T3 DK 2510960 T3 DK2510960 T3 DK 2510960T3 DK 11161979 T DK11161979 T DK 11161979T DK 2510960 T3 DK2510960 T3 DK 2510960T3
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Prior art keywords
cylinder
piston
valve
infusion pump
pump device
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DK11161979.7T
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English (en)
Inventor
Andreas Geipel
Jörg Dogwiller
Ulrich Haueter
Simon Scheurer
Ruedi Zihlmann
David Teutsch
Florian Kühni
Reto Schaltegger
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Hoffmann La Roche
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    • 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
    • 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
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14212—Pumping with an aspiration and an expulsion action
    • A61M5/14216—Reciprocating piston type
    • 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
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • 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
    • 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
    • A61M5/16809—Flow controllers by repeated filling and emptying of an intermediate volume
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • 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
    • A61M5/365—Air 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M2005/1401—Functional features
    • A61M2005/1402—Priming
    • 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
    • A61M2005/14208—Pressure infusion, e.g. using pumps with a programmable infusion control system, characterised by the infusion program
    • 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
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M2005/14264—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body with means for compensating influence from the environment
    • 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
    • A61M2005/16863—Occlusion detection
    • A61M2005/16868—Downstream occlusion sensors
    • 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
    • A61M2205/3306—Optical measuring means
    • 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
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3355—Controlling downstream pump pressure
    • 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
    • A61M2205/3365—Rotational speed
    • 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
    • A61M2205/3396—Reservoirs being alternately filled and emptied for measuring flow rate or delivered volume
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod

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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)
  • Emergency Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Claims (7)

1. Doseringsenhed (12) til en ambulatorisk infusionspumpeindretning (10), hvilken doseringsenhed (12) omfatter en cylinderpumpe med en cylinder (14), og et stempel (16) forskydeligt indrettet i cylinderen (14), hvilket stempel (16) har et stempelhoved (17), og en stempelaksel (18) med et første gevindskåret segment (50) , der arbejder sammen med en gevindskåret del (54) af cylinderen (14), således at stemplet (16) kan forskydes langs en længdeakse (48) af cylinderen (14) ved at dreje stemplet (16) i forhold til cylinderen (14) rundt om aksen (48); hvor stempelakslen (18) omfatter et andet segment (51) indrettet mellem det første gevindskårne segment (50) og stempelhovedet (17), hvilket andet segment (51) er tilvejebragt med optisk detekterbare markeringer (64, 65), der tillader monitorering af længde- og/eller rotationsforskydning afstemplet (16) i forhold til cylinderen (14); markeringerne (64, 65) danner en skala (63), der er udformet til at arbejde sammen med en optisk sensor (58) af infusionspumpeindretningen (10) og til at tilvejebringe et forskydningssignal, idet forskydningssignalet er tegn på en forskydning af stemplet (16) i forhold til cylinderen (14), og hvor doseringsenheden (12) omfatter en ventil (35), der kan være i to driftstilstande, og et vindue (60) er tilvejebragt på cylinderen (14) til at give adgang til skalaen (63) på stemplet (16), hvor vinduet (60) er udformet således at det tilvejebringer adgang til skalaen (63), når ventilen (35) er i en af de to driftstilstande, og ikke tilvejebringer adgang til skalaen (63), når ventilen (35) er mellem de to driftstilstande.
2. Doseringsenhed (12) ifølge krav 1, kendetegnet ved at det andet segment (51) mindst delvist overlapper det første gevindskårne segment (50).
3. Doseringsenhed ifølge et hvilket som helst af de foregående krav, kendetegnet ved at ventilen (35) er udformet til skiftevis at forbinde den indre volumen (13) af cylinderen (14) i en første tilstand med et indløbsrør (24) og i en anden tilstand med et udløbsrør (25), omfattende et ventilsæde (40) og et ventilelement (44), hvor ventilelementet (44) er udformet som en del af cylinderen, og hvor cylinderen er drejeligt eller forskydeligt monteret i et leje (42) i ventilsædet (40), således at ventilen (35) kan skifte mellem de to tilstande ved at dreje cylinderen (14) med ventilelementet (44) med en vis vinkel langs længdeaksen (48), eller ved at forskyde cylinderen (14) med ventilelementet (44) i forhold til ventilsædet (40) med en vis afstand langs længdeaksen (48).
4. Doseringsenhed (12) ifølge et hvilket som helst af de foregående krav, kendetegnet ved at de optiske markeringer er tilvejebragt som mindst to striber (64, 65) indrettet på det andet akselsegment (51) langs omkredsen på akslen (18) og parallelt med længdeaksen (48), hvor de optiske markeringer (64, 65) kan skelnes optisk.
5. Infusionspumpeindretning (10) omfattende en doseringsenhed (12) ifølge et hvilket som helst af de foregående krav.
6. Infusionspumpeindretning (10) ifølge krav 5, kendetegnet ved en optisk sensor (58), der er i stand til at detektere en skala (63) på et stempel (16) på en doseringsenhed (12) monteret i infusionspumpeindretningen (10), for derved at opnå et forskydningssignal der er tegn på en forskydning af stemplet (16) i forhold til en cylinder (14) i doseringsenheden (10).
7. Infusionspumpeindretning (10) ifølge et hvilket som helst af kravene 5 eller 6, kendetegnet ved at doseringsenheden (12) monteret i infusionspumpeindretningen (10) omfatter en ventil (35), der kan være i to driftstilstande, og et vindue (60) tilvejebragt på cylinderen (14) der tillader optisk adgang til optiske markeringer (64, 65) på stemplet (16), hvor vinduet og sensoren (58) på infusionspumpeindretningen (10) er indrettet således at sensoren (58) har optisk adgang til de optiske markeringer (64, 65), når ventilen (35) er i en af de to driftstilstande, og ikke har optisk adgang når ventilen (35) er mellem de to driftstilstande.
DK11161979.7T 2011-04-12 2011-04-12 Infusionspumpeindretning med cylinderstempeldoseringsenhed og optisk stempelpositionsdetektering DK2510960T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11161979.7A EP2510960B1 (en) 2011-04-12 2011-04-12 Infusion pump device with cylinder-piston dosing unit and optical piston position detection

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DK2510960T3 true DK2510960T3 (da) 2017-09-18

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US (1) US9446193B2 (da)
EP (1) EP2510960B1 (da)
KR (1) KR101576342B1 (da)
CN (1) CN103458940B (da)
DK (1) DK2510960T3 (da)
HK (1) HK1192179A1 (da)
WO (1) WO2012140052A1 (da)

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US20140039396A1 (en) 2014-02-06
US9446193B2 (en) 2016-09-20
KR20130138332A (ko) 2013-12-18
EP2510960B1 (en) 2017-06-28
WO2012140052A1 (en) 2012-10-18
HK1192179A1 (en) 2014-08-15
RU2013150129A (ru) 2015-05-20
CN103458940B (zh) 2015-11-25
KR101576342B1 (ko) 2015-12-09
EP2510960A1 (en) 2012-10-17
CN103458940A (zh) 2013-12-18

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