MAUDE Adverse Event Report: MEDTRONIC NAVIGATION, INC.; NEUROLOGICAL STEREOTAXIC INSTRUMENT

Model Number	9733879
Medical Device Problem Codes	Mechanical Problem (1384); Incorrect, Inadequate or Imprecise Result or Readings (1535); Connection Problem (2900); Device Sensing Problem (2917)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/27/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
B5 and h6 updated.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.It was reported that a malfunction occured in which the system control unit (scu) was not recognized.
Event or Problem Description
Medtronic received information regarding a navigation system being used during a cranial resection procedure.It was reported that during the procedure, the active frame suddenly became undetectable, although the passive probe was recognized.Neither restarting the system nor replacing the active frame resolved the issue.It was noted that there was an issue with inaccuracy that applied to all instruments.After a while, the active frame was recognized, but the accuracy was greatly misaligned.The use of navigation was discontinued and the procedure was completed. it was also noted that there was main monitor arm and camera grip damage.There was a delay of less than 1 hour and no impact on patient outcome.
Additional Manufacturer Narrative
H3, h6: no parts were received by the manufacturer for evaluation.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.
Additional Manufacturer Narrative
E1 updated.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
This reg report is being submitted to correct the fact that aware date of the previous reg report was left blank.The correct aware date for that regulatory report (1723170-2026-00347 follow up #1) is february 24, 2026.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
Section e updated.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
H2 correction: updated img for probe.H3, h6: the probe was returned for evaluation.Analysis found physical damage.The returned probe had exposed wires by the strain relief.Otherwise, the unit functioned normally.Codes b01, c07 and d02 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.
Additional Manufacturer Narrative
H2 additional information: 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 there was a discrepancy of several centimeters between the area being physically touched and the position displayed on the navigation system.The cause was unknown.It was noted that a second frame was used but the situation did not improve.

• 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: 24513742
• Report Number: 1723170-2026-00347
• Device Sequence Number: 8504645
• Product Code: HAW
• UDI-Device Identifier: 00763000053536
• UDI-Public: (01)00763000053536(11)200807(10)200807
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K050438
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup,Followup,Followup
• Report Date (Section B): 05/07/2026

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: 9733879
• Device Catalogue Number: 9733879
• Device Lot Number: 200807
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/26/2026
• Supplement Date Received by Manufacturer: Not provided; 03/09/2026; 03/10/2026; 03/12/2026; 05/06/2026; 05/01/2026
• Initial Report FDA Received Date: 03/04/2026
• Supplement Report FDA Received Date: 03/06/2026; 03/09/2026; 03/10/2026; 03/12/2026; 05/07/2026; 05/07/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 08/07/2020
• 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
• Patient Sex: Unknown