Magnetic time delay indicator and an injection device incorporating such
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United States of America Patent
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Sep 29, 2015
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N/A
app pub date -
Nov 15, 2012
filing date -
Nov 15, 2011
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Abstract
The present invention relates to a time delay indicator (1) for an injection device for administering a drug into the body of a subject user wherein the time delay indicator is configured for indicating after administration that a dose of the drug actually has been administered and for maintaining this indication until lapse of a pre-determined time interval. The time delay indicator is based on a magnetic liquid (6) being physically moved by a magnet (10).
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