MAUDE Adverse Event Report: BOSTON SCIENTIFIC CORPORATION OVERSTITCH NXT ENDOSCOPIC SUTURING SYSTEM; ENDOSCOPIC TISSUE APPROXIMATION DEVICE

Model Number	M00505430
Medical Device Problem Code	Detachment of Device or Device Component (2907)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/28/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported to boston scientific corporation that an overstitch nxt was used during an egd (esophagogastroduodenoscopy) procedure on (b)(6) 2026.During the withdrawal of the device, it was noted that the anchor exchange was detached from the endcap.The procedure was already complete.There was no patient complications reported as a result of this event.
Additional Manufacturer Narrative
Block h6: device code a0501 is being used to capture the reportable event of cap detachment.Device evaluation: block h11: the overstitch nxt was not returned for evaluation; however, media was provided for analysis.The documentation attached includes a picture where it can be observed a tubing channel detachment from the endcap.The reported event of cap detachment of device or device component can be confirmed.A risk review of the overstitch nxt was completed and confirmed that the event of cap detachment of device or device component was defined in the risk documentation.This event type has been accounted for during product risk analysis to support acceptable risk benefit for the product.It was confirmed this device met manufacturing specification prior to distribution and there were no manufacturing deviations which could have contributed to the reported event.There is no evidence the device was improperly used per the instructions for use (ifu), and there is no evidence that there is any issue with translation, wording, or graphics of the ifu/labeling information.Based on all gathered information, there is not enough evidence to determine whether the cap detachment of device or device component was due to the physician's technique during the procedure or was related to a device malfunction.Without proper evaluation of the device, it remains unknown the most probable causes that contributed to the event.Also, the evidence from the product record review did not identify a potential product quality issue or new patient harm.Based on a thorough review of the reported complaint, boston scientific has assigned an investigation conclusion code of cause not established.

• Brand Name: OVERSTITCH NXT ENDOSCOPIC SUTURING SYSTEM
• Common Device Name: ENDOSCOPIC TISSUE APPROXIMATION DEVICE
• Manufacturer (Section D): BOSTON SCIENTIFIC CORPORATION; 300 boston scientific way; marlborough MA 01752
• Manufacturer (Section G): BOSTON SCIENTIFIC CORPORATION; 2546 calle primera; alajuela ; CS
• Manufacturer Contact: christina lam ; 300 boston scientific way; marlborough, MA 01752 ; 9145716918
• MDR Report Key: 25278251
• Report Number: 3005099803-2026-02069
• Device Sequence Number: 21224375
• Product Code: OCW
• UDI-Device Identifier: 00191506060107
• UDI-Public: (01)00191506060107(17)290503(10)38770000
• Combination Product (Y/N): N
• Initial Reporter State: CO
• Initial Reporter Country: US
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 05/26/2026

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: M00505430
• Device Catalogue Number: M00505430
• Device Lot Number: 0038770000
• 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: 04/28/2026
• Initial Report FDA Received Date: 05/26/2026
• Date Device Manufactured: 03/06/2026
• 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