DK2872917T3 - Indretning og fremgangsmåde til bestemmelse af en propposition - Google Patents

Indretning og fremgangsmåde til bestemmelse af en propposition Download PDF

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Publication number
DK2872917T3
DK2872917T3 DK13735038.5T DK13735038T DK2872917T3 DK 2872917 T3 DK2872917 T3 DK 2872917T3 DK 13735038 T DK13735038 T DK 13735038T DK 2872917 T3 DK2872917 T3 DK 2872917T3
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Denmark
Prior art keywords
sound
container
sound source
plug
exendin
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DK13735038.5T
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English (en)
Inventor
Thomas Nagel
René Richter
Robert Witt
Richard Guenther
Johannes Vogel
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Sanofi Aventis Deutschland
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Publication of DK2872917T3 publication Critical patent/DK2872917T3/da

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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
    • A61M5/168—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
    • A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • 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
    • A61M5/178—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
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31566—Means improving security or handling thereof
    • A61M5/31568—Means keeping track of the total dose administered, e.g. since the cartridge was inserted
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S15/36—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • 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
    • A61M2205/3375—Acoustical, e.g. ultrasonic, 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
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3389—Continuous level detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/021—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type
    • G01F11/029—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type provided with electric controlling means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Fluid Mechanics (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Claims (10)

1. Lægemiddelfremføringsanordning (1) med en beholder (2), der definerer et hulrum (3) til et lægemiddel, og en prop (4) til proksimal afgrænsning af hulrummet (3) og fortrængning af lægemidlet fra hulrummet (3) , hvilken lægemiddelfremføringsanordning (1) yderligere omfatter en indretning til bestemmelse af en position (x) af proppen (4) i forhold til beholderen (2), idet indretningen omfatter en lydkilde (5), der er konfigureret til at udsende et lydsignal, og en lydsensor (6), der er konfigureret til at påvise et lydsignal, en processorenhed (10) til at styre lydkilden (5) og behandle det påviste lydsignal til bestemmelse af egenskaber for lydsignalet, der svarer til positionen (x) af proppen (4), der er kendetegnet ved, at lydkilden (5) er justeret ind, så den sender lydsignalet ind i et resonansvolumen (7), der defineres i én rumlig dimension ved hjælp af positionen af proppen (4), hvor processorenheden (10) er konfigureret til at variere frekvensen (f) af det udsendte lydsignal inden for et forudbestemt frekvensinterval, hvor processorenheden (10) er konfigureret til at påvise en overtone (fi(x), f2 (x) , f3 (x) , £a (x) ) af en resonansfrekvens fk, der er karakteristisk for det resonansvolumen (7), der er forbundet med positionen (x), hvor resonansvolumenet (7) defineres mindst delvist i en proksimal ende af beholderen (2), og/eller hvor en rørdel (9) med i det væsentlige den samme indvendige diameter som beholderen (2) er anbragt proksimalt tilgrænsende til beholderen (2) til mindst delvis definering af resonansvolumenet (7).
2. Indretning ifølge krav 1, der er kendetegnet ved, at lydkilden (5) er justeret ind, så den sender lydsignalet gennem en proksimal åbning i beholderen (2) mod proppen (4), hvor processorenheden (10) er konfigureret til at styre lydkilden (5) til udsendelse af en kodet lydbølge (U) og bestemme en forsinkelse eller et faseskift af den påviste lydbølge, der er forbundet med positionen (x).
3. Indretning ifølge krav 2, der er kendetegnet ved, at lydbølgen (U) er en ultralydbølge (U).
4. Indretning ifølge et af kravene 2 eller 3, der er kendetegnet ved, at lydkilden (5) og lydsensoren (6) er integreret i en lydomformer, der kan skiftes operativt til at fungere som enten lydkilden (5) eller lydsensoren (6).
5. Indretning ifølge krav 1, der er kendetegnet ved, at det forudbestemte frekvensinterval er udvalgt således, at det svarer til mindst en del af et interval af lineær frekvensrespons af lydkilden (5) .
6. Fremgangsmåde til bestemmelse af en position (x) af en prop (4) i forhold til en beholder (2) i en lægemiddelfremføringsanordning (1), hvilken fremgangsmåde omfatter trinene: - udsendelse af et lydsignal fra en lydkilde (5) , påvisning af et lydsignal forårsaget af det udsendte lydsignal ved hjælp af en lydsensor (6), behandling af det påviste lydsignal til bestemmelse af egenskaber for lydsignalet, der svarer til positionen (x) af proppen (4), ved hjælp af en processorenhed (10), der er kendetegnet ved, at lydkilden (5) er justeret ind, så den sender lydsignalet ind i et resonansvolumen (7), der defineres i én rumlig dimension ved hjælp af positionen af proppen (4), hvor frekvensen (f) af det udsendte lydsignal varieres inden for et forudbestemt frekvensinterval, hvor der påvises en overtone (fi(x), f.2 (x) , f3 (x) , f4 (x) ) af en resonansfrekvens f*, der er karakteristisk for det resonansvolumen (7), der er forbundet med positionen (x), hvor resonansvolumenet (7) defineres mindst delvist i en proksimal ende af beholderen (2), og/eller hvor en rørdel (9) med i det væsentlige den samme indvendige diameter som beholderen (2) er anbragt proksimalt tilgrænsende til beholderen (2) til mindst delvis definering af resonansvolumenet (7).
7. Fremgangsmåde ifølge krav 6, der er kendetegnet ved, at lydkilden (5) er justeret ind, så den sender lydsignalet gennem en proksimal åbning i beholderen (2) mod proppen (4), hvor lydkilden (5) styres til udsendelse af en kodet lydbølge (U) , og hvor der bestemmes en forsinkelse eller et faseskift af den påviste lydbølge, der er forbundet med positionen (x).
8. Fremgangsmåde ifølge krav 7, der er kendetegnet ved, at lydbølgen (U) er en ultralydbølge (U).
9. Fremgangsmåde ifølge et af kravene 6 eller 7, der er kendetegnet ved, at lydkilden (5) og lydsensoren (6) er integreret i en lydomformer, der kan skiftes operativt til at fungere som enten lydkilden (5) eller lydsensoren (6).
10. Fremgangsmåde ifølge krav 6, der er kendetegnet ved, at det forudbestemte frekvensinterval er udvalgt således, at det svarer til mindst en del af et interval af lineær frekvensrespons af lydkilden (5) .
DK13735038.5T 2012-07-11 2013-07-10 Indretning og fremgangsmåde til bestemmelse af en propposition DK2872917T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12175974 2012-07-11
PCT/EP2013/064630 WO2014009442A1 (en) 2012-07-11 2013-07-10 Arrangement and method for determining a stopper position

Publications (1)

Publication Number Publication Date
DK2872917T3 true DK2872917T3 (da) 2016-12-19

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US (2) US9592345B2 (da)
EP (2) EP3112896B1 (da)
JP (1) JP6266613B2 (da)
CN (2) CN104428688A (da)
DK (2) DK3112896T3 (da)
HK (1) HK1206432A1 (da)
WO (1) WO2014009442A1 (da)

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Also Published As

Publication number Publication date
US10226578B2 (en) 2019-03-12
US20150174330A1 (en) 2015-06-25
EP2872917A1 (en) 2015-05-20
EP3112896A1 (en) 2017-01-04
US9592345B2 (en) 2017-03-14
EP3112896B1 (en) 2019-10-09
EP2872917B1 (en) 2016-08-31
WO2014009442A1 (en) 2014-01-16
CN104428688A (zh) 2015-03-18
US20170182251A1 (en) 2017-06-29
CN111007514A (zh) 2020-04-14
JP6266613B2 (ja) 2018-01-24
HK1206432A1 (zh) 2016-01-08
JP2015529481A (ja) 2015-10-08
DK3112896T3 (da) 2020-01-06

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