Convertible Implantable Stimulator

An implantable stimulator, comprising:

• a lead portion having a plurality of electrodes;
• and
• an electronics module, comprising:
• circuitry configured to produce a first voltage from a received magnetic field;
• and
• a contact that is configured to receive a second voltage from a power supply module that is connectable to the implantable stimulator,
• wherein the first voltage provides operating power for the implantable stimulator in a first mode of operation and the second voltage provides operating power for the implantable stimulator in a second mode of operation.

A system, comprising:

• an external power supply;
• and
• a convertible implantable stimulator, comprising:
• a lead portion having a plurality of electrodes;
• stimulation circuitry configured to provide electrical stimulation to a patient's tissue through one or more of the plurality of electrodes;
• a coil configured to receive a magnetic field generated by the external power supply to provide operating power for the convertible implantable stimulator in a first mode of operation;
• and
• one or more contacts that are connectable to corresponding contacts of a separate power supply module, wherein the operating power for the convertible implantable stimulator is provided from a power source in the power supply module in a second mode of operation.