Multi-layer heat assembly for a drug delivery device
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United States of America Patent
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Feb 12, 2013
Grant Date -
Nov 11, 2010
app pub date -
May 5, 2010
filing date -
May 6, 2009
priority date (Note) -
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Abstract
In various embodiments, an ophthalmic injection device may include a dispensing chamber to hold a substance (e.g., a drug) to be injected into an eye, a thermal feedback layer with at least one thermal sensor, and a temperature control layer to apply or remove heat from the dispensing chamber. In some embodiments, the thermal feedback layer and the temperature control layer may be coupled to each other and/or coupled to the dispensing chamber. In some embodiments, at least one of the thermal sensors may be secured between the temperature control layer and the dispensing chamber using a thermal adhesive.
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