MAUDE Adverse Event Report: MEDTRONIC NAVIGATION, INC. STEALTHSTATION¿ S8 SYSTEM; NEUROLOGICAL STEREOTAXIC INSTRUMENT

Model Number	9735669
Medical Device Problem Codes	Incorrect, Inadequate or Imprecise Result or Readings (1535); Communication or Transmission Problem (2896)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/24/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Continuation of d10: section d information references the main component of the system.Other relevant device(s) are: product id: 9 735736, version: 2.1.0, h3, h6) no products have been returned to medtronic for analysis.Codes b17, c20, and d15 are 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.
Event or Problem Description
Medtronic received information regarding a navigation system being used in an unknown procedure.It was reported that during a case, the surgeon was experiencing issues with navigation.There was a navigational inaccuracy.While troubleshooting, technical services (ts) video called the site contact.The surgeon stated that when holding the instrument in the field of electromagnetic (em) and visible in the tracking window, the cross hairs were not moving.Ts noted that they were in the registration tab and not navigation.Registration accuracy was 2.8mm.Once they proceeded to navigation, the 3d model was from the patient's upper lip to the middle of the bridge of the nose.Ts had site go back to images to review the scan and images were flagged as not optimal for stealth and appeared to have missing slices, therefore the navigation was inaccurate.Surgeon could accurately touch the tip of the patient's nose and it would appear accurately in the software, but once he had an instrument in the nasal cavity, he would lose navigation.Ts noted this was because there was no more slices for the anatomy he was entering, therefore a scan issue.Surgeon confirmed they used a 3rd party imaging site and cannot confirm if they used the stealth imaging protocol.A patient was present.Unknown delay.
Additional Manufacturer Narrative
H2: additional information was received and updated in section b5.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 found the site was using the incorrect protocol.The resolution was confirmed on call.
Additional Manufacturer Narrative
H2-h6: a software analysis was initiated.However, the software evaluation found that a probable cause was unable to be determined as the logs and exams were not received.Codes b26, c19, and d15 are applicable to this analysis.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: STEALTHSTATION¿ S8 SYSTEM
• Common Device Name: NEUROLOGICAL STEREOTAXIC INSTRUMENT
• Manufacturer (Section D): MEDTRONIC NAVIGATION, INC.; 200 medtronic drive; lafayette CO 80027
• Manufacturer (Section G): MEDTRONIC NAVIGATION, INC.; 200 medtronic drive; lafayette CO 80027
• Manufacturer Contact: justin ellis ; 8200 coral sea street ne mvs21; mounds view, MN 55112 ; 7635265677
• MDR Report Key: 23922822
• Report Number: 1723170-2025-03988
• Device Sequence Number: 13019251
• Product Code: HAW
• UDI-Device Identifier: 00763000360450
• UDI-Public: (01)00763000360450(11)210309
• Combination Product (Y/N): N
• Initial Reporter State: GA
• Initial Reporter Country: US
• PMA/510(K) Number: K162309
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 04/23/2026

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 Model Number: 9735669
• Device Catalogue Number: 9735669
• 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: 12/24/2025
• Supplement Date Received by Manufacturer: 01/27/2026; 04/22/2026
• Initial Report FDA Received Date: 12/30/2025
• Supplement Report FDA Received Date: 01/29/2026; 04/23/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 03/09/2021
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: "SEE H11....".
• Patient Sex: Unknown