MAUDE Adverse Event Report: MEDTRONIC PUERTO RICO OPERATIONS CO. ACTIVA; STIMULATOR, ELECTRICAL, IMPLANTED, FOR PARKINSONIAN TREMOR

Model Number	37603
Medical Device Problem Code	Low impedance (2285)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/04/2026
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 impedances on unchanged, untouched implantable neurostimulator (ins) registered as all within normal limits before surgery, but after surgery to replace their opposite-side ins, they showed one unused contact combination as below normal range.The issue was still there in post-op.
Event or Problem Description
Additional information was received from the manufacturer representative (rep) that the cause of the low impedance was unknown.No further actions are planned at this time.Determined?.
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: STIMULATOR, ELECTRICAL, IMPLANTED, FOR PARKINSONIAN TREMOR
• 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: 24552138
• Report Number: 3004209178-2026-04249
• Device Sequence Number: 18492870
• Product Code: MHY
• UDI-Device Identifier: 00763000100353
• UDI-Public: (01)00763000100353(17)211128
• Combination Product (Y/N): N
• Initial Reporter State: IL
• Initial Reporter Country: US
• PMA/510(K) Number: P960009
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• 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
• Report Date (Section B): 03/18/2026

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: 11/28/2021
• Device Model Number: 37603
• Device Catalogue Number: 37603
• 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: 03/06/2026
• Supplement Date Received by Manufacturer: 03/09/2026
• Initial Report FDA Received Date: 03/09/2026
• Supplement Report FDA Received Date: 03/18/2026
• Date Device Manufactured: 06/05/2020
• 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: 76 YR
• Patient Sex: Female