MAUDE Adverse Event Report: Ethicon Endo-Surgery, LLC. ECHELON FLEX; STAPLE, IMPLANTABLE

Catalog Number	PSEE45A
Medical Device Problem Code	Difficult to Open or Close (2921)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/09/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that, prior to a liver transplant procedure, the device was fired and subsequently jammed in the closed position, preventing the jaws from being opened.There was no patient consequence nor surgical delay reported.No additional information provided.
Additional Manufacturer Narrative
(b)(4).Date sent: 9/24/2026 d4: batch #unk additional information was requested, and the following was obtained: 1.Was the device locked on tissue with the jaws closed? if yes, what steps were taken to open the jaws? (pull open the closing trigger, press home button, use bailout) no 2.If the jaws could not be opened, how was the device removed n/a 3.Did the jaws eventually open? no 4.Could you please clarify if there were any patient consequences? no 5.Could you please clarify if there were any change in the post-operative care of the patient as a result of the event? n/a attempts have been made to retrieve the device.To date the device has not been returned.If the device or further details are received at a later date a supplemental medwatch will be sent.A manufacturing record evaluation was performed for the finished device psee45a lot number a9m356 and no non-conformances were identified.This report is being submitted pursuant to the provisions of 21 cfr, part 803.This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by ethicon, or its employees that the report constitutes an admission that the product, ethicon, or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.

• Brand Name: ECHELON FLEX
• Common Device Name: STAPLE, IMPLANTABLE
• Manufacturer (Section D): Ethicon Endo-Surgery, LLC.; 475 calle c; guaynabo 00969 ; PR 00969
• Manufacturer (Section G): Ethicon Endo-Surgery, LLC.; 475 calle c; guaynabo 00969 ; PR 00969
• Manufacturer Contact: orla o'mahony ; 475 calle c; guaynabo 00969 ; PR 00969 ; +1(303)552-6892
• MDR Report Key: 50884714
• Report Number: 3005075853-2026-07963
• Device Sequence Number: 10704831
• Product Code: GDW
• UDI-Device Identifier: 10705036015352
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K163454
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 09/24/2026

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: PSEE45A
• Device Lot Number: A9M356
• 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: 09/10/2026
• Initial Report FDA Received Date: 09/24/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/16/2026
• 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