MAUDE Adverse Event Report: MICRO THERAPEUTICS, INC. DBA EV3 PIPELINE FLEX W/SHIELD TECHNOLOGY; INTRACRANIAL ANEURYSM FLOW DIVERTER

Model Number	PED2-475-16
Medical Device Problem Code	Activation Failure (3270)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/17/2026
Type of Reportable Event	Malfunction
Event or Problem Description
Medtronic received a report that a pipeline failed to open at the distal section.It was reported that physician felt he was unable to get the pipeline sleeves to open after trying every suggested method requested a different device.The pipeline failed to open at the distal section.The pipeline was not positioned in a bend and did not get stuck in the capture coil.More than 50% of the pipeline deployed when it failed to open.The pipeline was resheathed less than or equal to 2 times and removed from the patient with the microcatheter.No additional steps or other devices were required to open the pipeline.The pipeline and all accessory devices were prepared as indicated in the ifu.No patient complications were associated with this event.
Additional Manufacturer Narrative
Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Additional Manufacturer Narrative
Update b5 medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
Additional information was received.The cause was undetermined.The physician suspected anatomy and recapture contributed to the distal portion not opening.

• Brand Name: PIPELINE FLEX W/SHIELD TECHNOLOGY
• Common Device Name: INTRACRANIAL ANEURYSM FLOW DIVERTER
• Manufacturer (Section D): MICRO THERAPEUTICS, INC. DBA EV3; 9775 toledo way; irvine CA 92618
• Manufacturer (Section G): MICRO THERAPEUTICS, INC. DBA EV3; 9775 toledo way; irvine CA 92618
• Manufacturer Contact: justin ellis ; 9775 toledo way; irvine, CA 92618 ; 7635265677
• MDR Report Key: 24123219
• Report Number: 2029214-2026-00114
• Device Sequence Number: 17615022
• Product Code: OUT
• UDI-Device Identifier: 00763000449452
• UDI-Public: (01)00763000449452(17)280905(10)D063115
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: P100018
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• 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: PED2-475-16
• Device Catalogue Number: PED2-475-16
• Device Lot Number: D063115
• 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: 01/17/2026
• Supplement Date Received by Manufacturer: 02/06/2026
• Initial Report FDA Received Date: 01/20/2026
• Supplement Report FDA Received Date: 03/04/2026
• Date Device Manufactured: 09/06/2025
• 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 Sex: Unknown