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

Model Number	M001363650
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	03/31/2025
Type of Reportable Event	Malfunction
Event or Problem Description
Reportable based on device analysis completed on 26jun2025.It was reported that the coil was prematurely deployed and unable to advance in the catheter.The target lesion was located in the internal iliac artery.A 15mm x 40cm interlock-35 was selected for use in an iliac artery embolization.During the procedure, the coil was delivered using a 5f angiography catheter.The heparin normal saline perfusion was performed with continuous flushing, and flushing was performed before introducing the coil.However, it was noted that the coil was prematurely released at the outlet of the microcatheter, and it could not be advanced further.The coil was removed from the patient's body.The procedure was completed with another of the same device.There were no patient complications as a result of this event.The patient status was stable post procedure.However, device analysis revealed detached arm coil.
Additional Manufacturer Narrative
Device evaluated by mfr: the device was returned for evaluation.Visual and microscope inspections were performed.It was observed that the main coil was bent and stretched at the coil arm and primary coil section, moreover the arm coil was detached.Dimensional inspection of the main coil revealed the components were within specification.No other issues were identified during the product analysis.

• 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: 22556793
• Report Number: 2124215-2025-48580
• Device Sequence Number: 9681706
• Product Code: KRD
• UDI-Device Identifier: 08714729793144
• UDI-Public: (01)08714729793144(17)260724(10)32085902
• 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): 07/21/2025

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 Expiration Date: 07/24/2026
• Device Model Number: M001363650
• Device Catalogue Number: M001363650
• Device Lot Number: 0032085902
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 05/30/2025
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/26/2025
• Initial Report FDA Received Date: 07/21/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 07/25/2023
• 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
• Patient Age: 53 YR
• Patient Sex: Male