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

Model Number	431100-02
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	03/31/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Intuitive surgical, inc.(isi) has not received the monopolar curved scissors instrument involved with the alleged issue to perform failure analysis.Additional information is being gathered to determine the contribution of the device to the customer reported issue.
Event or Problem Description
It was reported that during a da vinci-assisted myomectomy surgical procedure, the monopolar curved scissors instrument's extended r had a breakage resulting in the scissors tab detaching from the instrument.The procedure was completed with no reported injury.Intuitive surgical, inc.(isi) followed up with the initial reporter and obtained the following additional information: the part of the monopolar curved scissors (mcs) extended r broke was the distal end of sp monopolar instrument.The incident did not have a fragment fall inside the patient's anatomy.The procedure the instrument was used in was ovarian cystectomy.

• Brand Name: ENDOWRIST SP
• Common Device Name: MONOPOLAR CURVED SCISSORS ER
• 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: 24959494
• Report Number: 2955842-2026-22575
• Device Sequence Number: 10474154
• Product Code: NAY
• UDI-Device Identifier: 00886874124048
• UDI-Public: (01)00886874124048(11)250702(10)K10250702
• Combination Product (Y/N): N
• Initial Reporter Country: KS
• PMA/510(K) Number: K241814
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other,Foreign
• Initial Reporter Occupation: Non-Healthcare Professional
• Remedial Action: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 05/18/2026

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: 431100-02
• Device Catalogue Number: 431100
• Device Lot Number: K10250702 0012
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 04/01/2026
• Supplement Date Received by Manufacturer: 04/27/2026
• Initial Report FDA Received Date: 04/22/2026
• Supplement Report FDA Received Date: 05/18/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 07/02/2025
• 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: Female