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

Model Number	37601
Medical Device Problem Code	High impedance (1291)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the deep brain stimulation implantable pulse generator (ipg) reached end of service (eos), and high therapy impedance was observed.Electrode impedance testing at 0.5v and 0.7v revealed all electrode impedances were in the 3000 ohms range, with the used bipolar group at 3505 ohms.The patient was programmed on 0- and 3+ at 0.5v, 70 microseconds, and 130 hz.It was noted that high impedances had been previously observed during a prior visit, but the onset was unclear.The device was replaced due to eos.No patient complications have been reported as a result of this event.
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.
Additional Manufacturer Narrative
The returned device was subjected to a series of standard tests that include but is not limited to visual inspection, output and telemetry testing, and functional testing.Analysis determined that the implantable neurostimulator (ins) output and telemetry were acceptable; however, the battery was near normal battery depletion.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
See h.11.

• Brand Name: ACTIVA
• Common Device Name: STIMULATOR, ELECTRICAL, IMPLANTED, FOR PARKINS
• 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: 22568919
• Report Number: 3004209178-2025-12489
• Device Sequence Number: 9229279
• Product Code: MHY
• UDI-Device Identifier: 00643169529786
• UDI-Public: (01)00643169529786(17)180628
• Combination Product (Y/N): N
• Initial Reporter State: MN
• Initial Reporter Country: US
• PMA/510(K) Number: P960009
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2017
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 09/04/2025

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: 06/28/2018
• Device Model Number: 37601
• Device Catalogue Number: 37601
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 07/21/2025
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/02/2025
• Supplement Date Received by Manufacturer: 08/07/2025
• Initial Report FDA Received Date: 07/22/2025
• Supplement Report FDA Received Date: 09/04/2025
• Date Device Manufactured: 01/05/2017
• 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 Sex: Female