Device and method for contact free absolute position...

G - Physics – 01 – D

Patent

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G01D 5/241 (2006.01) G01D 5/20 (2006.01)

Patent

CA 2623118

The present invention relates to a contact free arrangement for determining an absolute position of a member adapted for setting an amount of medicament to be injected from a medication delivery device, or adapted for determining an amount of medicament injected from a medication delivery device. The arrangement according to the present invention comprises at least one track of reflector means, at least one emitter means, and at least one receiver means. The at least one emitter means and the at least one receiver means are adapted to electrically couple to a number of the reflector means. The electrical coupling may be capacitive or inductive. In addition, the present invention relates to a medication delivery device or a syringe having such arrangement.

La présente invention concerne un agencement sans contact destiné à déterminer une position absolue d~un élément conçu pour définir une quantité d~un médicament devant être injecté à partir d~un dispositif de distribution de médicament, ou conçu pour déterminer une quantité d~un médicament injecté à partir d~un dispositif de distribution de médicament. L~agencement selon la présente invention comprend au moins un moyen de suivi ou de réflecteur, au moins un moyen d~émetteur et au moins un moyen de récepteur. Le ou les moyens d~émetteur et le ou les moyens de récepteur sont conçus pour se coupler électriquement à un certain nombre de moyens de réflecteur. Le couplage électrique peut être capacitif ou inductif. En outre, la présente invention concerne un dispositif de distribution de médicament ou une seringue comportant un tel agencement.

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