MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION INTERLOCK?-35; DEVICE, VASCULAR, FOR PROMOTING EMBOLIZATION

Model Number	M001363830
Medical Device Problem Codes	Premature Activation (1484); Failure to Advance (2524); Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/23/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
E1 - initial reporter address 1: (b)(6).E1 - initial reporter phone: (b)(6).Device evaluated by mfr: the interlock.035 device was returned to our post market quality assurance laboratory.Visual and microscopic inspection identified that the main coil was bent and stretched at the primary coil section, moreover, arm coil was detached.The main coil was deformed.Dimensional inspection of the main coil revealed the components were within specifications.This concludes the product analysis.
Event or Problem Description
Reportable based on device analysis completed on 03feb2026.It was reported that the coil prematurely deployed and could not be advanced from the catheter.A 20mm x 40cm interlock.035 coil was selected for use.During the procedure, it was noted that the coil was unlocked inside the catheter, and it could not be advanced after many attempts.The procedure was completed with another of the same device.There were no patient complications as a result of this event.However, device analysis revealed that the main coil was detached, bent and stretched.

• Brand Name: INTERLOCK?-35
• Common Device Name: DEVICE, VASCULAR, FOR PROMOTING EMBOLIZATION
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 300 boston scientific way; marlborough MA 01752
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; model farm road; cork T12 Y K88; EI T12 YK88
• Manufacturer Contact: rachel shields ; 4100 hamline ave n; arden hills, MN 55112 ; 6512422111
• MDR Report Key: 24507830
• Report Number: 2124215-2026-12063
• Device Sequence Number: 9960815
• Product Code: KRD
• UDI-Device Identifier: 08714729795445
• UDI-Public: (01)08714729795445(17)271120(10)35324886
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K133208
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Health Professional,Company Representative,Distributor
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 03/04/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: M001363830
• Device Catalogue Number: M001363830
• Device Lot Number: 0035324886
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 01/05/2026
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/03/2026
• Initial Report FDA Received Date: 03/04/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/20/2024
• 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
• Patient Age: 58 YR
• Patient Sex: Male
• Patient Weight: 70 KG