MAUDE Adverse Event Report: MEDTRONIC NAVIGATION, INC VISUALASE; POWERED LASER SURGICAL INSTRUMENT

Model Number	9735542
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Visual Impairment (2138)
Date of Event	12/13/2022
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Event: the reported event is associated with a clinical trial (nct02844465) conducted under an investigational device exemption (ide).  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 thermal therapy system being used during a soft tissue neuro ablation procedure.It was reported that post-operatively at the three month post follow-up ophthalmological exam, the patient had a left superior homonymous quadrantanopia.A visual field deficit was noted.It was reported that the adverse event (ae) was related to the device and the procedure.However, it was not related to anesthesia or an epileptic disease-state.The severity of the ae was moderate.There were no other actions taken, and the outcome was not reported.There was no additional medical intervention required.

• Brand Name: VISUALASE
• Common Device Name: POWERED LASER SURGICAL 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: 16233968
• Report Number: 1723170-2023-00101
• Device Sequence Number: 6870893
• Product Code: GEX
• UDI-Device Identifier: 00643169792890
• UDI-Public: 00643169792890
• Combination Product (Y/N): N
• Initial Reporter State: NH
• Initial Reporter Country: US
• PMA/510(K) Number: K081656
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Study,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 01/24/2023

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?: No
• Operator of Device: Health Professional
• Device Model Number: 9735542
• Device Catalogue Number: 9735542
• 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: 01/20/2023
• Initial Report FDA Received Date: 01/24/2023
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 02/23/2018
• 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
• Outcome Attributed to Adverse Event: Other
• Patient Age: 50 YR
• Patient Sex: Female
• Patient Weight: 85 KG