MAUDE Adverse Event Report: INTUITIVE SURGICAL, INC ENDOWRIST SP; MONOPOLAR CURVED SCISSORS

Model Number	430100-01
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/13/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that during a training/demo of the da vinci system, the disposable mcs tip cover of the monopolar curved scissors instrument would not attach; a piece broke off during the attempts.There was no report of patient involvement.Isi followed up with the initial reporter and obtained the following additional information: the tip accessory would go on but did not screw.Once installed it would fall off.There was no patient involvement as it was during a training session.
Additional Manufacturer Narrative
Intuitive surgical, inc.(isi) did receive a da vinci product to perform failure analysis.The monopolar curved scissors (mcs) instrument was analyzed and found to have a broken instrument tube adapter.This component is located at the distal end of the instrument and serves as the interface between the instrument and the user installed tip accessory.The broken piece was not returned and measures approximately 1.27mm x 2.29mm in size.The complaint was confirmed by failure analysis.The probable root cause of a damaged tube adapter is attributed to either tip accessory installation issues or damage during use.

• Brand Name: ENDOWRIST SP
• Common Device Name: MONOPOLAR CURVED SCISSORS
• Manufacturer (Section D): INTUITIVE SURGICAL, INC; 3410 central expressway; santa clara CA 95051
• Manufacturer (Section G): INTUITIVE SURGICAL, INC; 3410 central expressway; santa clara CA 95051
• Manufacturer Contact: izabel nielson ; 3410 central expressway; santa clara, CA 95051 ; 4085232100
• MDR Report Key: 24563620
• Report Number: 2955842-2026-15653
• Device Sequence Number: 13135424
• Product Code: NAY
• UDI-Device Identifier: 00886874123454
• UDI-Public: (01)00886874123454(10)H10251001
• Combination Product (Y/N): N
• Initial Reporter State: GA
• Initial Reporter Country: US
• PMA/510(K) Number: K241814
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other
• Initial Reporter Occupation: Non-Healthcare Professional
• Remedial Action: Other
• Type of Report: Initial
• Report Date (Section B): 03/10/2026

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: 430100-01
• Device Catalogue Number: 430100
• Device Lot Number: H10251001 0018
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 02/24/2026
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 02/17/2026
• Initial Report FDA Received Date: 03/10/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 10/01/2025
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• If action reported to FDA under 21 USC 360i(g), list FDA-assigned Recall Number or include a statement: N/A
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: DA VINCI INSTRUMENTS AND ACCESSORIES
• Patient Sex: Unknown