MAUDE Adverse Event Report: INTUITIVE SURGICAL, INC DA VINCI SP; PATIENT SIDE CART

Model Number	380601-48
Medical Device Problem Code	Unintended System Motion (1430)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	03/31/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that during a da vinci-assisted surgical procedure, the arm had an unexpected arm motion during procedure.He concluded that it could be user error but would like a full calibration and verification of the system specifically master tool manipulator (mtm) gravity and entry guide manipulator (egm) testing.Intuitive surgical, inc.(isi) followed up with the initial reporter and obtained the following additional information: the customer noted the surgeon still has concerns and they have been escalated to our product support team.
Additional Manufacturer Narrative
An intuitive surgical, inc.(isi) field service engineer (fse) was dispatched to the customer site to further investigate the reported event.Based on the field evaluation, this reported event was confirmed.The fse performed gravity calibration and egm calibration during site visit.The fse also confirmed system was on current software.The system was tested and verified as ready for use.

• Brand Name: DA VINCI SP
• Common Device Name: PATIENT SIDE CART
• 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: 24973492
• Report Number: 2955842-2026-22633
• Device Sequence Number: 4992090
• Product Code: NAY
• UDI-Device Identifier: 00886874114605
• UDI-Public: (01)00886874114605
• Combination Product (Y/N): N
• Initial Reporter State: LA
• Initial Reporter Country: US
• PMA/510(K) Number: K182371
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other,Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Remedial Action: Other
• Type of Report: Initial
• Report Date (Section B): 04/23/2026

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: 380601-48
• Device Catalogue Number: N/A
• Device Lot Number: N/A
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/31/2026
• Initial Report FDA Received Date: 04/23/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 08/02/2023
• 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