MAUDE Adverse Event Report: SILK ROAD MEDICAL ENROUTE TRANSCAROTID STENT SYSTEM; ENROUTE TSS

Catalog Number	SR-0840-CS
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Obstruction/Occlusion (2422); Ischemia Stroke (4418); Thrombosis/Thrombus (4440)
Date of Event	07/10/2024
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
For section a2, the exact patient's age is unknown; however, it was reported that the age range is 65-69 years.The product associated with this complaint was not returned to the manufacturer for analysis.A review of the manufacturing records for this device was completed and no issues were identified that could have led to the adverse event reported.At this time, it is unknown if the reported event is related to procedural issues, patient anatomy or a silk road medical device, hence, the event will be reported out of abundance of caution.Complaints will continue to be reviewed and monitored for trends.All reasonably available information has been provided by the company at the time of submission of this report.The fields that are blank are not an omission and indicate that the information is either not applicable or currently unavailable.If additional information is received, a supplemental report will be filed.
Event or Problem Description
It was reported that one day after a left transcarotid artery revascularization (tcar) procedure, the patient experienced right sided weakness.Imaging revealed an occluded stent thrombosed from mid portion to the terminal left internal carotid artery (lica) and no flow in the distal internal carotid artery (ica) beyond the stent.Pre-procedure, the patient had a very tight lesion.The physician did not perform additional intervention and, as of two days post-procedure, the patient's stroke symptoms had almost completely resolved.Additionally, platelet reactivity test performed seven days prior to the tcar procedure indicated platelet inhibition.At this time, it is unknown if the reported event is related to procedural issues, patient anatomy or a silk road medical device, hence, the event will be reported out of abundance of caution.

• Brand Name: ENROUTE TRANSCAROTID STENT SYSTEM
• Common Device Name: ENROUTE TSS
• Manufacturer (Section D): SILK ROAD MEDICAL; 1213 innsbruck drive; sunnyvale CA 94089
• Manufacturer (Section G): SILK ROAD MEDICAL; 1213 innsbruck drive; sunnyvale CA 94089
• Manufacturer Contact: shelrin devi ; 1213 innsbruck drive; sunnyvale, CA 94089 ; 4087209002
• MDR Report Key: 19921573
• Report Number: 3014526664-2024-00151
• Device Sequence Number: 12663147
• Product Code: NIM
• UDI-Device Identifier: 00811311020478
• UDI-Public: (01)00811311020478(17)251231(10)18177721
• Combination Product (Y/N): N
• Initial Reporter State: KY
• Initial Reporter Country: US
• PMA/510(K) Number: P140026
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 08/06/2024

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 Expiration Date: 12/31/2025
• Device Catalogue Number: SR-0840-CS
• Device Lot Number: 18177721
• 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: 07/10/2024
• Initial Report FDA Received Date: 08/06/2024
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 01/17/2023
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Disability
• Patient Sex: Male