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1. (CA2649999) CONTACT FREE ABSOLUTE POSITION DETERMINATION OF A MOVING ELEMENT IN A MEDICATION DELIVERY DEVICE

Office : Canada
Application Number: 2649999 Application Date: 25.04.2007
Publication Number: 2649999 Publication Date: 01.11.2007
Publication Kind : A1
Prior PCT appl.: Application Number:EP2007054069 ; Publication Number: Click to see the data
IPC:
G01D 5/241
A61M 5/315
G PHYSICS
01
MEASURING; TESTING
D
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; TRANSFERRING OR TRANSDUCING ARRANGEMENTS NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
5
Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
12
using electric or magnetic means
14
influencing the magnitude of a current or voltage
24
by varying capacitance
241
by relative movement of capacitor electrodes
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
M
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
5
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
178
Syringes
31
Details
315
Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod; Appliances on the rod for facilitating dosing
CPC:
G01D 5/2415
A61M 5/31525
A61M 5/31556
A61M 5/31573
A61M 5/31581
A61M2005/3125
A61M2205/3317
Applicants: NOVO NORDISK A/S
Inventors: NIELSEN, PREBEN
VON MUNCHOW, BODO
Priority Data: 06008597.4 26.04.2006 EP
Title: (EN) CONTACT FREE ABSOLUTE POSITION DETERMINATION OF A MOVING ELEMENT IN A MEDICATION DELIVERY DEVICE
(FR) DETERMINATION DE POSITION ABSOLUE SANS CONTACT D'UN ELEMENT MOBILE DANS UN DISPOSITIF D'APPORT DE MEDICAMENT
Abstract:
(EN) The present invention relates to a medication delivery device for expelling set doses of medicament, the medication delivery device comprising a position determining assembly for detecting absolute positions of a rotatably mounted member arranged within the device, the position determining assembly comprising a plurality of transmitter electrodes arranged on a first exterior surface part of the rotatably mounted member, a plurality of receiver electrodes arranged on a second exterior surface part of the rotatably mounted member. A number of transmitter electrodes form pairs of interconnected electrodes with a number of receiver electrodes. A reading assembly fixedly arranged relative to for example the housing of the medication delivery device is also provided. The reading assembly comprises a plurality of transmitters arranged to electrically couple to one or more receiver electrodes, the reading assembly further comprising a plurality of receivers arranged to electrically couple to one or more transmitter electrodes.


Also published as:
EP2013587JP2009534147US20090096467RU0002431805CN101427107AU2007242758
IN8716/DELNP/2008WO/2007/122253