Patent ID: 8167841

Claim:
An assembly for insertion of a cannula, comprising: a housing, a needle comprising a distal portion adapted to be inserted through the skin of a subject, a needle holder for moving the needle, a flexible cannula comprising a distal portion adapted to be arranged subcutaneously in the subject, the distal portion of the cannula being arranged in sliding parallel relationship with the distal portion of the needle, a cannula holder for moving the cannula relative to the needle, the assembly having an initial state in which the needle holder and the cannula holder are each arranged in a respective first retracted position relative to the housing, and the needle and cannula are each arranged in a respective initial retracted position relative to the housing, an actuator that moves each of the needle holder and the cannula holder to a respective first extended position relative to the housing, and moves each of the needle and the cannula to a respective extended position relative to the housing, an actuator that moves the needle holder to a second retracted position relative to the housing, retracts the needle relative to the housing, simultaneously moving the cannula holder relative to the needle holder and relative to the housing to a second extended position, and extends the cannula relative to the needle.