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US 10,300,210 B2Granted
Drug delivery device
AssigneeSanofi-Aventis Deutschland GmbH
InventorsJoseph Butler, David Moore, Paul Richard Draper, Stephen Francis Gilmore, Anthony Paul Morris
Life of this patent
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Abstract
A drug delivery device comprising; a housing; a cylindrical member configured to be rotatably supported inside the housing, wherein the outer surface of the cylindrical member is provided with at least first and second tracks together forming an encoder, each track comprising conductive segments and non-conductive segments; and at least first and second groups of contacts configured to engage the first and second tracks respectively at predetermined intervals along the length of the track.
Claims16
A drug delivery device comprising:
- a housing;
- a cylindrical member configured to be rotatably supported inside the housing, wherein an outer surface of the cylindrical member is provided with a first track and a second track, the first track and the second track together forming an encoder, each of the first track and the second track comprising conductive segments and non-conductive segments;
- at least first and second groups of contacts configured to engage the first track and the second track, respectively, at predetermined intervals along a length of the first track and the second track wherein the first track and the second track are separated by a non-conductive strip;
- a switch configured to:
- in a first position, connect electrically the first track and the second track;
- and
- in a second position, isolate electrically the first track and the second track;
- and
- a user actuatable plunger configured to cause expulsion of a drug from the drug delivery device, wherein depression of the plunger causes the switch to switch from the first position to the second position.
6 more elements
Dependencies are inferred from the claim text.