MAUDE Adverse Event Report: PENUMBRA, INC. LANTERN DELIVERY MICROCATHETER; DQY

Catalog Number	PXSLIMLAN135STR
Medical Device Problem Code	Fracture (1260)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/23/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Evaluation of the first returned lantern delivery microcatheter (lantern) confirmed a fracture on its mid shaft.Damage such as a kink and a subsequent fracture typically occur if the lantern is manipulated at an angle during use.Based on the reported event, the root cause of this damage could not be determined.Further evaluation of the lantern revealed kinks and an ovalization on the catheter.This damage was incidental to the complaint and may have occurred during packaging for return.Penumbra devices are inspected during in-process inspection and during quality inspection after manufacturing.The manufacturing records for this lot were reviewed and did not reveal any outstanding discrepancies, design, or quality concerns.
Event or Problem Description
The patient was undergoing a coil embolization procedure using a lantern delivery microcatheter (lantern) and ruby coils.The physician placed two ruby coils in the target location using the lantern.After placing the embolization coils, the lantern had fractured.The physician was able to successfully remove the fractured lantern.It was also reported that a second lantern fractured during the procedure and the lantern was removed.The procedure was completed using a new lantern and additional ruby coils.There was no report of an adverse effect to the patient.

• Brand Name: LANTERN DELIVERY MICROCATHETER
• Common Device Name: DQY
• Manufacturer (Section D): PENUMBRA, INC.; one penumbra place; alameda CA 94502
• Manufacturer (Section G): PENUMBRA, INC.; one penumbra place; alameda CA 94502
• Manufacturer Contact: veronica menezes ; one penumbra place; alameda, CA 94502 ; 5107483200
• MDR Report Key: 24650799
• Report Number: 3005168196-2026-00086
• Device Sequence Number: 13201717
• Product Code: DQY
• UDI-Device Identifier: 00814548016641
• UDI-Public: 00814548016641
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K152840
• 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): 03/20/2026

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 Catalogue Number: PXSLIMLAN135STR
• Device Lot Number: F00017521
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/04/2026
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/24/2026
• Initial Report FDA Received Date: 03/20/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 07/08/2025
• 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: Male