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

Model Number 9735665

Device Problem Imprecision (1307)

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

Event Date 12/07/2021

Event Type  malfunction  

Manufacturer Narrative

Concomitant medical products: information references the main component of the system.Other relevant device(s) are: product id: 9735737.No parts have been received by the manufacturer for evaluation.If information is provided in the future, a supplemental report will be issued.

Event Description

Medtronic received information regarding a navigation system being used for a cerebrospinal fluid (csf) leak repair procedure.It was reported that intra-operatively, after a power outage, the system had an alleged inaccuracy.The images in the orthogonal views were also off of the navigation system after the power outage.The procedure was completed without the use of the navigation system.There was no reported impact to patient outcome.

Manufacturer Narrative

Patient weight was provided.The logs and archives were returned for software analysis.The analysis is still in progress.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

Additional information received from a manufacturer representative reported that there was no patient impact.The inaccuracy was 40mm and the delay to the procedure was 10 minutes.

Manufacturer Narrative

A medtronic representative went to the site to test the system.The system then passed the system checkout and was found to be fully functional.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

H3) 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.The archive had 2 ct exams among them, one exam is loaded with a "not optimal for stealth warning because of irregular spacing and missing slices.The site merged both exams by taking the ct-3 as the reference and the merge looked good.The trace registration was done by collecting a good amount of trace points with an accuracy metric of 2.2mm with green and yellow zones of accuracy.The registration model had a metal strip on the nose and the patient may have been scanned with the mask.Few trace points were sunken into the skin.H6: b01, c19, d15 apply to the software analysis.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: 12967979
• MDR Text Key: 281984473
• Report Number: 1723170-2021-02853
• Device Sequence Number: 1
• Product Code: HAW
• UDI-Device Identifier: 00763000272739
• UDI-Public: 00763000272739
• 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,Followup
• Report Date: 06/07/2022

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 12/09/2021
• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: 9735665
• Device Catalogue Number: 9735665
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 12/16/2021
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 06/03/2022
• Was Device Evaluated by Manufacturer?: Yes
• Date Device Manufactured: 01/20/2020
• 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: 42 YR
• Patient Sex: Female
• Patient Weight: 103 KG