Patent ID: 8591499
Filing Date: 2013-11-26
Classification: A61B,A61M,F16K,Y10T

Abstract:
1. A tool for reading and changing a setting of an implantable valve, the valve having an external cross section and an internal magnetic rotor with an associated magnetic field, the rotor having a rotor axis, the tool comprising: a substantially cylindrical body having an upper end, a lower end, a longitudinal axis therebetween, an axial bore along at least a portion of the body between the upper and lower end; a recess at the lower end, the recess having an internal cross-section matingly complementary to the external cross section of the valve, the recess adapted to be positioned in proximity to the valve in a unique rotational orientation about the rotor axis; an electromagnet positioned within the bore, a magnetic guide extending from the electromagnet toward the lower end, the magnetic guide adapted to magnetically couple the electromagnet to the rotor, the electromagnet being rotatable about the longitudinal axis; wherein rotating the electromagnet about the axis is effective to adjust the valve by rotating the rotor about the rotor axis.