Neurostimulator system apparatus and method

摘要

An apparatus (10) for applying stimulation therapy to a patient includes an implantable medical device (20) and a remote controller (50a) for inductively powering the medical device and communicating with the medical device. The remote controller (50a) includes an improved coil configuration to improve communication performance between the remote controller (50a) and an implanted medical device (20).

主权项

1. An apparatus for applying stimulation therapy to a patient, the apparatus comprising:
an implantable medical device; and a remote controller for inductively powering the implantable medical device and communicating with the implantable medical device, the remote controller comprising: a transmit coil for transmitting a transmit signal to the implantable medical device; and a receiver coil for receiving a telemetry signal from the implantable medical device, the receiver coil being configured to cancel out at least a portion of the transmit signal, wherein the receiver coil comprises at least two sub-coils geometrically configured to cancel out at least a portion of the transmit signal.