MAUDE Adverse Event Report: MEDTRONIC PUERTO RICO OPERATIONS CO. Percept; STIMULATOR, THALAMIC, EPILEPSY, IMPLANTED

Model Number	B35200
Medical Device Problem Code	Energy Output Problem (1431)
Health Effect - Clinical Codes	Device Overstimulation of Tissue (1991); Cognitive Changes (2551)
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that patient experienced a psychosis episode while being home.Patient called the police because he thought his wife was his mom and thought they were trying to take him to an insane asylum.Patient does not remember doing this.  patient is responding to the dbs and the severity of his seizures has reduced. hcp reduced the patient¿s dbs significantly because she thinks that he was overstimulated and that the dbs was causing it.Patient will return to hcp office in october.
Additional Manufacturer Narrative
B3: event date is not known.Please see b5 for approximate date range, if applicable.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.

• Brand Name: Percept
• Common Device Name: STIMULATOR, THALAMIC, EPILEPSY, IMPLANTED
• Manufacturer (Section D): MEDTRONIC PUERTO RICO OPERATIONS CO.; road 31, km. 24, hm 4; ceiba norte industrial park; juncos PR 00777
• Manufacturer (Section G): MEDTRONIC PUERTO RICO OPERATIONS CO.; road 31, km. 24, hm 4; ceiba norte industrial park; juncos PR 00777
• Manufacturer Contact: justin ellis ; 8200 coral sea street ne mvs21; mounds view, MN 55112 ; +1(763)526-5677
• MDR Report Key: 50869441
• Report Number: 3004209178-2026-16126
• Device Sequence Number: 21511717
• Product Code: MBX
• UDI-Device Identifier: 00763000916268
• Combination Product (Y/N): N
• Initial Reporter State: NJ
• Initial Reporter Country: US
• PMA/510(K) Number: P960009
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Consumer,Company Representative
• Type of Report: Initial
• Report Date (Section B): 09/23/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: B35200
• Device Catalogue Number: B35200
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/17/2026
• Initial Report FDA Received Date: 09/23/2026
• Date Device Manufactured: 06/19/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Sex: Male