MAUDE Adverse Event Report: MEDTRONIC PUERTO RICO OPERATIONS CO. ACTIVA; IMPLANTED SUBCORTICAL ELECTRICAL STIMULATOR (M

Model Number	37602
Medical Device Problem Codes	High impedance (1291); Electromagnetic Compatibility Problem (2927)
Health Effect - Clinical Codes	Neck Pain (2433); No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/15/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
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.
Event or Problem Description
It was reported that the patient was experiencing neck pain and subsequently had a heart attack.It was confirmed that these medical events were not related to the dbs therapy/device.Emergency cardioversion was performed.The device was not turned off during the cardioversion as the patient was unconscious.Device interrogation was conducted and revealed elevated impedances at one used contact.The manufacturer representative (rep) followed up with the neurosurgery provider and patient indicated plans to make an appointment with a neurosurgeon.
Event or Problem Description
Additional information received from rep confirming that neck pain and subsequent heart attack and loss of consciousness were unrelated to dbs therapy.Additional information received from rep indicating that actions taken and resolution to this issue remain unknown.
Additional Manufacturer Narrative
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.
Event or Problem Description
Additional information was received from manufacturing representative (rep).Rep reported that it was unknown when elevated impedances started.
Additional Manufacturer Narrative
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: ACTIVA
• Common Device Name: IMPLANTED SUBCORTICAL ELECTRICAL STIMULATOR (M
• 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 ; 7635265677
• MDR Report Key: 23795040
• Report Number: 3004209178-2025-21027
• Device Sequence Number: 21450132
• Product Code: MRU
• UDI-Device Identifier: 00763000519223
• UDI-Public: (01)00763000519223(17)250828
• Combination Product (Y/N): N
• Initial Reporter State: IL
• Initial Reporter Country: US
• PMA/510(K) Number: H020007
• 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: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 01/22/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 08/28/2025
• Device Model Number: 37602
• Device Catalogue Number: 37602
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/25/2025
• Supplement Date Received by Manufacturer: 01/20/2026; 01/21/2026
• Initial Report FDA Received Date: 12/12/2025
• Supplement Report FDA Received Date: 01/21/2026; 01/22/2026
• Date Device Manufactured: 03/12/2024
• 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
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Age: 71 YR
• Patient Sex: Male