MAUDE Adverse Event Report: MEDTRONIC NAVIGATION, INC STEALTHSTATION S7 NAVIGATION; NEUROLOGICAL STEREOTAXIC INSTRUMENT

Model Number	9733856R
Medical Device Problem Code	Imprecision (1307)
Health Effect - Clinical Code	Unspecified Tissue Injury (4559)
Date of Event	04/12/2021
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
If information is provided in the future, a supplemental report will be issued.
Event or Problem Description
Medtronic received information regarding a navigation system used for a sacroiliac and thoracolumbar procedure.It was reported that there was an alleged inaccuracy.It was reported that during a posterior fusion of t7 to the pelvis, while placing the left iliac screw, the screw broke out and went medial.It was noted that the screw size was a 9.5 x 100.The patient was re-spun and the screw was repositioned successfully, and the procedure went on as planned.There was less than an hour delay to the procedure and there was no impact on patient outcome.
Additional Manufacturer Narrative
Additional information noted in event and section e 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
Additional information noted that the inaccuracy was not measured.Also, it was noted that screw looked like it deflected off the si joint when being placed.
Additional Manufacturer Narrative
H2/h3/h6: software analysis determined that the screw break happened before the frame was moved.Frame movement is a common cause of inaccuracy.It was noted that there was no indication that a software anomaly contributed to the reported behavior.The software was working as designed.Codes b01, c19 and 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 S7 NAVIGATION
• Common Device Name: NEUROLOGICAL STEREOTAXIC INSTRUMENT
• Manufacturer (Section D): MEDTRONIC NAVIGATION, INC; 826 coal creek circle; louisville CO 80027
• MDR Report Key: 11667982
• Report Number: 1723170-2021-01000
• Device Sequence Number: 2936495
• Product Code: HAW
• UDI-Device Identifier: 00613994603678
• UDI-Public: 00613994603678
• Combination Product (Y/N): N
• Initial Reporter State: MN
• Initial Reporter Country: US
• PMA/510(K) Number: K050438
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 07/02/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: No Information
• Device Model Number: 9733856R
• Device Catalogue Number: 9733856R
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/12/2021
• Supplement Date Received by Manufacturer: 04/14/2021; 06/22/2021
• Initial Report FDA Received Date: 04/14/2021
• Supplement Report FDA Received Date: 05/04/2021; 07/02/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Age: 81 YR
• Patient Weight: 120