Patent ID: 8241240

Claim:
A system comprising: an implantable medical device comprising a valve body and a valve rotor adjustable with respect to the valve body, the valve body including a resonant circuit and the valve rotor including a permanent magnet; a positioning tool comprising: a valve body position reader configured to determine orientation of the valve body with respect to the position tool using the resonant circuit; a valve rotor position reader configured to determine a position of the valve rotor with respect to the positioning tool using the permanent magnet; a processor configured to determine a valve setting for the implantable medical device based on the orientation of the valve body and the position of the valve rotor; and a valve rotor position controller having a stator with a plurality of stator coils and a driver electrically coupled to the stator to provide current to the stator coils to selectively position the valve rotor with respect to the valve body.