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

Model Number	9735670
Medical Device Problem Code	Imprecision (1307)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/28/2023
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Concomitant medical products: section d information references the main component of the system.Other relevant device(s) are: product id: 9735740, serial/lot #: 2.0.1, ubd:- , udi#:-,  h3, h6: no products have been returned to medtronic for analysis.Codes b17, c20, and d15 are applicable.Medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided 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.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.
Event or Problem Description
Medtronic received information regarding a navigation device being used during a sacroiliac and thoracolumbar procedure.It was reported that the system seemed to be off by 2-3 mm in the first spin then about 1 mm off in the second spin.As the case went on, the system seemed to become more inaccurate.The orange instrument that wasn't used in the case also popped up like 4-5 times during the case for a few seconds.There was no impact on patient outcome.
Event or Problem Description
Additional information was received, it was reported that there was a delay of 10-15 minutes.
Additional Manufacturer Narrative
Additional info: b5, section e updated medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided 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.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.
Additional Manufacturer Narrative
H3/h6: the software analysis was completed.Only one session of application logs present of the issue date.The logs captured that the site used auto registration and went till navigation task.According to the logs, they verified tool_2, tool_4, tool_6 on frame tool_3 successfully, apart from that, logs didn't capture any other failed or successful attempt for verification for any other tools.The archive was reviewed, the archive had 3 exams which had spacing and thickness 0.83 mm each with 192 slices which were optimal and as per the stealth protocol.Logs didn't capture the root cause of the reported behavior that, why orange navlock popped up 4-5 times during the case.There was a confirmed graphic user interface failure.Codes b01, c10, and d18 apply.Medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided 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.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.
Additional Manufacturer Narrative
H2: device evaluation: h3, h6: a medtronic representative went to the site to test the equipment.Testing revealed that there were no failures found.The n avigation system then passed the system checkout and was found to be fully functional.B01, c19, d14 are applicable.H3, h6: logs and archives have been returned for analysis, but analysis was not completed for the unexpected pop up of orange navlock.B21, c21, d16 are applicable.H3, h6: a software analysis was initiated.However, it was found that there was insufficient information to determine the relationship of the software to the reported issue on the alleged inaccuracy.B01, c19, d15 are applicable.Medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided 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.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.
Additional Manufacturer Narrative
H3/h6: the software analysis was completed.Analysis found that the logs captured that the site used auto registration on the date of the issue reported and took 3 spins successfully.The logs captured multiple "[ motion detected between tracker and frame ]" warnings and numerous ¿infrared interference errors¿ too.There is insufficient information to determine root cause of reported behavior.Sw logs and archives are not helpful in diagnosing auto-registration accuracy issues.Frame movement after registration is a common cause of accuracy issues, but cannot be detected in log files or archives.There was a confirmed graphic user interface failure.Medtronic is submitting this report to comply with fda reporting regulations under 21 cfr parts 4 and 803.This report is based upon information obtained by medtronic, which the company may not have been able to fully investigate or verify prior to the date the report was required by the fda.Medtronic has made reasonable efforts to obtain more complete information and has provided 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.In particular, this report does not constitute an admission by anyone that the product described in this report has any ¿defects¿ or has ¿malfunctioned¿.These words are included in the fda 3500a form and are fixed items for selection created by the fda to categorize the type of event solely for the purpose of regulatory reporting.Medtronic objects to the use of these words and others like them because of the lack of definition and the connotations implied by these terms.This statement should be included with any information or report disclosed to the public under the freedom of information act.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.A good faith effort will be made to obtain the applicable information relevant to the report.If information is provided in the future, a supplemental report will be issued.

• Brand Name: STEALTHSTATION¿ S8 SYSTEM
• Common Device Name: NEUROLOGICAL STEREOTAXIC INSTRUMENT
• Manufacturer (Section D): MEDTRONIC NAVIGATION, INC; 826 coal creek circle; louisville CO 80027
• Manufacturer (Section G): MEDTRONIC NAVIGATION, INC; 826 coal creek circle; louisville CO 80027
• Manufacturer Contact: glen belmer ; 7000 central avenue ne rcw215; minneapolis, MN 55432 ; 6122713209
• MDR Report Key: 17239390
• Report Number: 1723170-2023-01115
• Device Sequence Number: 4795880
• Product Code: HAW
• UDI-Device Identifier: 00763000355128
• UDI-Public: 00763000355128
• Combination Product (Y/N): N
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: K162309
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup,Followup,Followup
• Report Date (Section B): 03/05/2024

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: 9735670
• Device Catalogue Number: 9735670
• 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: 06/28/2023
• Supplement Date Received by Manufacturer: 06/30/2023; 01/09/2024; 02/27/2024; 02/27/2024
• Initial Report FDA Received Date: 06/30/2023
• Supplement Report FDA Received Date: 07/18/2023; 02/05/2024; 03/05/2024; 03/05/2024
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 05/18/2022
• 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: Unknown
• Patient Sequence Number: 1
• Patient Age: 66 YR
• Patient Sex: Female
• Patient Weight: 82 KG