RECHARGE Sub-Study to the Implantable Systems Performance Registry (ISPR)

Inclusion Criteria:

- Patient is enrolled in the Implantable Systems Performance Registry (ISPR) and will
receive one Activa RC as their first implantable neurostimulator or as a replacement
implantable neurostimulator for DBS.

- Patient must meet the indications in the Activa RC labeling.

- Patient (or patient's legally authorized representative) signs and dates the
appropriate RECHARGE Informed Consent Form and/or Informed Assent Form and
Authorization to Use and Disclose Health Information (HIPAA, US only).

- Patient has a diagnosis of Parkinson's Disease, Essential Tremor, or dystonia that
meets the approved indication for Activa RC in the applicable geography.

- Patient with dystonia is 7 years of age or older (EU only).

- Patient with either PD or ET is 18 years of age or older.

- Patient (or caregiver) is able to use the patient programmer and correctly interpret
the icons.

- Patient (or caregiver) is able and willing to regularly monitor the status of the
rechargeable battery and respond appropriately.

- Patient (or caregiver) is able to locate the INS, position the recharge antenna for
sufficient coupling, put on the recharge holster/belt, and monitor progress during
the recharge session.

- Patient (or caregiver) is able to perform recharging activities for sufficient
duration and frequency to maintain therapy and to perform recharging activities on an
ongoing basis.

- Patient is willing and able to comply with protocol requirements.

Exclusion Criteria:

- Patient has a contraindication identified in the Activa RC labeling.

- Patient who is currently enrolled in or plans to enroll in any concurrent drug and/or
device study that may confound the results of the RECHARGE study.

- Patient has or will be implanted with a non-Medtronic Deep Brain Stimulation system
component.