An apparatus includes an implantable device, such as a chronically implantable device that has a device body. One or more chemical sensors are coupled with the device body. A drug eluting substance is disposed at a location including at least one of on, directly adjacent, or near the one or more chemical...http://www.google.se/patents/US8131364?utm_source=gb-gplus-sharePatent US8131364 - Sensors having protective eluting coating and method therefor
