MAUDE Adverse Event Report: SILK ROAD MEDICAL ENROUTE TRANSCAROTID NEUROPROTECTION SYSTEM; TEMPORARY CAROTID CATHETER FOR EMBOLIC CAPTURE

Catalog Number	SR-200-NPS
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Muscle Weakness/Atrophy (1967); Dysphasia (2195); Ischemia Stroke (4418)
Date of Event	01/10/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that after the completion of a left transcarotid artery revascularization (tcar) procedure, the patient failed the post-procedure neurological check and experienced right arm weakness and speech difficulties.Imaging reveled new areas of watershed and was suspected by the physician to be a watershed event.However, a review of the imaging provided to silk road medical's executive medical director indicated that there were emboli found in the watershed zone resulting in a mixed pattern event.At this time, it is unknown if the reported event is related to procedural issues, patient resistance to medication, or a silk road medical device failure, hence, the event will be reported out of abundance of caution.
Additional Manufacturer Narrative
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 resistance to medication, or a silk road medical device failure, 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.

• Brand Name: ENROUTE TRANSCAROTID NEUROPROTECTION SYSTEM
• Common Device Name: TEMPORARY CAROTID CATHETER FOR EMBOLIC CAPTURE
• Manufacturer (Section D): SILK ROAD MEDICAL; 1213 innsbruck dr.; sunnyvale CA 94089
• Manufacturer (Section G): SILK ROAD MEDICAL; 1213 innsbruck dr.; sunnyvale CA 94089
• Manufacturer Contact: vincent lopez mireles ; 1213 innsbruck dr.; sunnyvale, CA 94089 ; 4087209002
• MDR Report Key: 21355454
• Report Number: 3014526664-2025-00015
• Device Sequence Number: 9079042
• Product Code: NTE
• UDI-Device Identifier: 00811311020829
• UDI-Public: (01)00811311020829(17)270220(10)305826
• Combination Product (Y/N): N
• Initial Reporter State: OH
• Initial Reporter Country: US
• PMA/510(K) Number: K153485
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• 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): 02/11/2025

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 Catalogue Number: SR-200-NPS
• Device Lot Number: 305826
• 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: 01/13/2025
• Initial Report FDA Received Date: 02/11/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 02/20/2024
• 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 Age: 81 YR
• Patient Sex: Female