MAUDE Adverse Event Report: INTUITIVE SURGICAL, INC ENDOWRIST;DAVINCI SI; PK DISSECTING FORCEPS

Model Number	420227-10
Medical Device Problem Codes	Thermal Decomposition of Device (1071); Material Discolored (1170)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	06/11/2020
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Intuitive surgical, inc.(isi) received the pk dissector instrument involved with this complaint and completed the device evaluation.Failure analysis investigations did not replicate nor confirm the customer reported complaint of "did not work properly." upon visual and microscopic inspection, no damage was found to the wrist assembly or pk cradle.No cable damage or misalignment on grips was observed.The instrument was placed and driven on an in-house system.The instrument passed the recognition and engagement tests.The instrument moved intuitively with full range of motion in all directions.The grips opened and closed properly and performed grip function successfully.The electrical continuity also passed, indicated energy activation was ready for use.Additionally, the instrument was found have thermal damage of the bipolar yaw pulley.Black char marks were present at the distal end.Any material missing from the thermal damage of the yaw pulley was likely thermally induced rather than mechanical induced.This failure is typically associated with mishandling/misuse.
Event or Problem Description
It was reported that during a da vinci-assisted surgical procedure, the pk dissecting forceps instrument was not working properly.The procedure was completed with no reported injury.Intuitive surgical, inc.(isi) followed up with the initial reporter and obtained the following additional information: no fragments fell into a patient.

• Brand Name: ENDOWRIST;DAVINCI SI
• Common Device Name: PK DISSECTING FORCEPS
• Manufacturer (Section D): INTUITIVE SURGICAL, INC; 3410 central expressway; santa clara CA
• Manufacturer (Section G): INTUITIVE SURGICAL, INC; 3410 central expressway; santa clara CA
• Manufacturer Contact: izabel nielson ; 3410 central expressway; santa clara, CA ; 4085232100
• MDR Report Key: 16971136
• Report Number: 2955842-2023-13805
• Device Sequence Number: 14063881
• Product Code: NAY
• UDI-Device Identifier: 00886874111673
• UDI-Public: (01)00886874111673(10)N10190214
• Combination Product (Y/N): N
• Initial Reporter State: OH
• Initial Reporter Country: US
• PMA/510(K) Number: K061260
• 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): 10/19/2020

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: 420227-10
• Device Catalogue Number: 420227
• Device Lot Number: N10190214 501
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 10/08/2020
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 10/19/2020
• Initial Report FDA Received Date: 05/21/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/13/2019
• 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: Reuse
• 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