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

Model Number	431100-01
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/15/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The instrument involved with this event has been received, but the failure analysis testing has not yet been completed as of the date of this report.
Event or Problem Description
It was reported that during a da vinci-assisted surgical procedure, the tip of a single port monopolar curved scissors instrument had a broken tip.The procedure was completed with no reported injury.Intuitive surgical, inc.(isi) contacted the customer but was not able to obtain any additional information.
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 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 1.41mm x 2.26mm in size.Additional findings not reported by site: the instrument was found to have a detached fragment.The fragment broke off from the instruments tube adapter.The broken piece was not returned with the instrument.The probable root cause of a damaged tube adapter is attributed to either tip accessory installation issues or damage during use.This issue can be resolved by using an alternate instrument to complete the procedure.
Event or Problem Description
Refer to h11 for follow-up information.

• 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: 24288877
• Report Number: 2955842-2026-03700
• Device Sequence Number: 9388731
• Product Code: NAY
• UDI-Device Identifier: 00886874124048
• UDI-Public: (01)00886874124048(10)K12250110
• Combination Product (Y/N): N
• Initial Reporter State: FL
• 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,Followup
• Report Date (Section B): 03/08/2026

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: 431100-01
• Device Catalogue Number: 431100
• Device Lot Number: K12250110 0006
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 01/15/2026
• Supplement Date Received by Manufacturer: 02/10/2026
• Initial Report FDA Received Date: 02/09/2026
• Supplement Report FDA Received Date: 03/08/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/10/2025
• 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