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

Model Number 9735669

Device Problem Imprecision (1307)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 02/23/2023

Event Type  malfunction  

Manufacturer Narrative

Concomitant medical products: section d information references the main component of the system.Other relevant device(s) are: product id: 9 735736, serial/lot #: (b)(4) no parts have been returned to the manufacturer for evaluation.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 Description

Medtronic received information regarding a navigation system being used during a functional endoscopic sinus surgery (fess).The surgeon felt about one mm off laterally.They continued with the procedure accounting for the discrepancy.In the next procedure they noticed a similar discrepancy and noticed that there was some packing in the patient's nostril.They removed it and the issue resolved.It was suspected that the patient in question also had packing in the nostril.There was no delay and no impact to patient outcome.

Manufacturer Narrative

H3.Software analysis determined that there was insufficient information to determine whether a software anomaly contributed to the reported behavior.Logs and archives were reviewed.The logs recorded only one session on the date of the issue.The logs captured that the site completed the successful trace registration on the date of the issue with an accuracy metric of 1.6mm, but did not provided the root cause of the issue.The archives have 3 ct exams, the site used only one ct exam for registration, the trace points are collected from the tip of the nose and spread over the forehead.The site collected a few points on the soft tissue like cheeks, hence suggesting to collect trace points only on the bony structures.As per the case description, during the second procedure, the site noticed that there was some packing in the patient's nostril.After removing the packing the issue was resolved.Hence, suspecting the packing in the patient's nostril might have caused the issue.However, it's difficult to find the exact root cause of the issue.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.

Manufacturer Narrative

H2) device evaluation: h3, h6: a medtronic representative went to the site to test the equipment.Testing revealed that the system performed as intended, there were no failures found.The navigation system then passed the system checkout and was found to be fully functional.B01, c19, d14 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.

• Brand Name: STEALTHSTATION¿ S8 SYSTEM
• Type of Device: 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: 16443233
• MDR Text Key: 310348552
• Report Number: 1723170-2023-00282
• Device Sequence Number: 1
• Product Code: HAW
• UDI-Device Identifier: 00643169838918
• UDI-Public: 00643169838918
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: K162309
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Health Professional,Company Representative
• Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup
• Report Date: 06/01/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 02/27/2023
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: 9735669
• Device Catalogue Number: 9735669
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 05/24/2023
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 11/11/2020
• Is the Device Single Use?: No
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Reuse
• Patient Sequence Number: 1
• Patient Age: 65 YR
• Patient Sex: Male
• Patient Weight: 91 KG