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	12/05/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The product was not returned for evaluation.Without the return of the device, the root cause of the problem cannot be determined.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 medical procedure in the gastroduodenal artery (gda) using a lantern delivery microcatheter (lantern) and a parent catheter.It was noted that the patient¿s anatomy was tortuous.During the procedure, while attempting to access the vessel using the lantern and parent catheter for approximately an hour, the physician noticed the distal end of the lantern was fractured.The physician was able to pull and remove the fractured lantern out from the parent catheter.The procedure was completed using a new lantern.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: 24597898
• Report Number: 3005168196-2026-00074
• Device Sequence Number: 12903838
• 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): 03/13/2026

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: F00013363
• 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: 12/08/2025
• Initial Report FDA Received Date: 03/13/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 08/14/2024
• 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: 63 YR
• Patient Sex: Unknown