MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION WATCHMAN TRUSEAL ACCESS SYSTEM; SYSTEM, APPENDAGE CLOSURE, LEFT ATRIAL

Model Number	M635TU70020
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Thrombosis/Thrombus (4440)
Date of Event	06/09/2022
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported thrombus occurred.A left atrial appendage (laa) closure procedure was being performed.Heparin had been administered and the activated clotting time (act) was 232 seconds after the transeptal puncture.A double curve watchman truseal access system was advanced into the patient's anatomy.Upon looking at the transesophageal echocardiogram (tee) imaging, a thrombus was noted on the tip of the access system.The thrombus was aspirated into the access system and removed from the patient.A new single curve watchman truseal access system was used and a 27mm watchman flx laa closure device was successfully implanted in the patient.No patient complications occurred.

• Brand Name: WATCHMAN TRUSEAL ACCESS SYSTEM
• Common Device Name: SYSTEM, APPENDAGE CLOSURE, LEFT ATRIAL
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; two scimed place; maple grove MN 55311
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; ballybrit business park; galway ; EI
• Manufacturer Contact: jay johnson ; two scimed place; maple grove, MN 55311 ; 7634942574
• MDR Report Key: 14878975
• Report Number: 2134265-2022-07564
• Device Sequence Number: 1886696
• Product Code: DQY
• UDI-Device Identifier: 08714729965718
• UDI-Public: 08714729965718
• Combination Product (Y/N): N
• Initial Reporter State: TN
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 06/30/2022

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: 04/11/2025
• Device Model Number: M635TU70020
• Device Catalogue Number: M635TU70020
• Device Lot Number: 0029214034
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 06/09/2022
• Initial Report FDA Received Date: 06/30/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 04/12/2022
• Is the Device Labeled for Single Use? (Y/N): Yes
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 73 YR
• Patient Sex: Male