Provided is an analyte monitoring device having a housing, the device comprising: a plurality of needles, each having a tip, a retracted position, a position wherein the tip is extended from the housing a distance adapted to pierce skin; an electrically or spring powered needle pushing apparatus movable...http://www.google.com.au/patents/US20020087056?utm_source=gb-gplus-sharePatent US20020087056 - Analyte monitor
