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

Catalog Number	TCR55
Medical Device Problem Codes	Failure to Form Staple (2579); Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Failure to Anastomose (1028)
Date of Event	01/01/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that postoperatively, a staple line leak was observed.The patient required reoperation, involving the re-transection of the bowel.The anastomosis was re-stapled.The patients stay is extended due to the reoperation.The patient is currently stable.
Additional Manufacturer Narrative
(b)(4).Date sent: 7/31/2026.B3: event year only reported: 2026.D4 batch #: 971d54 35tcr55.Attempts are being made to obtain the following information.To date, no response has been provided.If further details are received at a later date, a supplemental medwatch will be sent: what were the indications for surgery? what surgical procedure was performed? did the patient receive any preoperative chemotherapy or radiation? what anatomical structures was the device fired on? were other stapling or suturing devices used when creating the anastomosis? how was the common opening closed? were there any issues experienced with the device in the initial surgical procedure? was the device difficult to assemble/close? was the device difficult to fire; was the force to fire higher than expected? how was the integrity of the anastomosis checked intraoperatively? how many days postoperative did the leak occur? how was the leak identified? was the site of the leak identified? if so, where and what was observed? was it leaking through the staple line? were there any malformed staples or missing staples identified? if so, please describe the shape and location.Were there any signs of tissue ischemia or necrosis? what was done in the reoperation? if an ostomy was created, is it temporary or permanent? an analysis of the product could not be performed since a physical sample was not received for evaluation.This is an analysis of two photos submitted for evaluation.During the visual analysis, the following was observed: the photos show a piece of tissue with staple lines on the edge.However, no malformed staples could be observed on the tissue.Based on the photos the event described cannot be confirmed, hands on device analysis may provide the additional evidence necessary to confirm the root cause of the reported event.Because the instrument was not returned our evaluation is limited.We value the opportunity to fully analyze the instrument upon its return.As part of the quality process all devices are manufactured, inspected, and released to approved specifications.A manufacturing record evaluation was performed for the finished device lot/batch number of 971d54 35tcr55, 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: PROXIMATE
• 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 ; PR ; +1(303)552-6892
• MDR Report Key: 50101825
• Report Number: 3005075853-2026-06081
• Device Sequence Number: 13271867
• Product Code: GDW
• UDI-Device Identifier: 10705036013129
• UDI-Public: (01)10705036013129(17)310331(10)971D54
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K020779
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Company Representative
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 07/31/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: TCR55
• Device Lot Number: 971D54
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Initial Date Received by Manufacturer: 07/14/2026
• Supplement Date Received by Manufacturer: 09/07/2026; 09/10/2026
• Initial Report FDA Received Date: 07/31/2026
• Supplement Report FDA Received Date: 09/08/2026; 09/15/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/08/2026
• 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
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Unknown