EndoWrist;daVinci Si 420227Recalls & reported problems
Intuitive Surgical, Inc. · PK DISSECTING FORCEPS · Class 2
All models of EndoWrist;daVinci Si (35)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
Quick summary
This Intuitive Surgical PK Dissecting Forceps is a robotic instrument used during da Vinci-assisted surgery. The 27 reports mostly describe the tool breaking apart during surgery or processing — cracked or broken cables, exposed wires, pieces detaching, and material splitting or fragmenting — with a few cases where the instrument moved in the opposite direction the surgeon commanded and one report of a fragment left in the patient. Three injuries and no deaths were reported. No recalls name this device.
AI-generated from the FDA records on this page and checked automatically against the numbers below. Read the details before relying on it.
- Adverse event reports
- 27
- Deaths reported
- 0
- Injuries reported
- 3
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 27 adverse event reports that list this exact device (DI 00886874111673), received between Jun 15, 2017 and Oct 26, 2023 — classified as 3 injuries, 24 malfunctions.
The most frequently reported specific device problem is “Break” (11 reports).
Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.
Reports received per month
Most reported problems
Device problems
- Break11
- Detachment of Device or Device Component7
- Material Split, Cut or Torn5
- Thermal Decomposition of Device3
- Material Fragmentation2
- Material Integrity Problem2
- Crack1
- Device Or Device Fragments Location Unknown1
Patient problems
- No Clinical Signs, Symptoms or Conditions21
- No Known Impact Or Consequence To Patient3
- Device Embedded In Tissue or Plaque1
- Foreign Body In Patient1
- Hemorrhage/Blood Loss/Bleeding1
Recent adverse event reports
The 25 most recent of 27 reports, in the reporter's own words as published by the FDA.
MalfunctionOct 26, 2023Thermal Decomposition of Device; Thermal Decomposition of Device
REFER TO H10/H11 FOR FOLLOW-UP INFORMATION.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 18013022 ↗MalfunctionJun 5, 2023Unintended System Motion; Unintended System Motion
IT WAS REPORTED THAT DURING A DA VINCI-ASSISTED TOTAL BENIGN HYSTERECTOMY SURGICAL PROCEDURE, THE PK DISSECTING FORCEPS INSTRUMENT WAS NOT WORKING CORRECTLY AS IT STARTED FUNCTIONING OPPOSITE OF WHAT THE SURGEON WANTED. IT WAS INDICATED THAT THE SURGEON WOULD COMMAND THE INSTRUMENT TO MOVE TO THE RIGHT AND IT WOULD MOVE TO THE LEFT AND THE SAME REVERSAL WOULD OCCUR IN THE UP AND DOWN DIRECTIONS AS WELL. THE PROCEDURE WAS COMPLETED WITH A BACK-UP PK DISSECTING FORCEPS INSTRUMENT WITH NO REPORTED INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 17067310 ↗MalfunctionMay 28, 2023Material Fragmentation; Material Fragmentation
IT WAS REPORTED THAT DURING A DA VINCI-ASSISTED PROCEDURE, THE PK DISSECTING FORCEPS INSTRUMENT HAD A BROKEN CABLE. THE PROCEDURE WAS COMPLETED AND THERE WAS NO PATIENT INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 17015872 ↗MalfunctionMay 27, 2023Detachment of Device or Device Component; Detachment of Device or Device Component
IT WAS REPORTED THAT PRIOR TO STARTING A DA VINCI-ASSISTED SURGICAL PROCEDURE, AN OR STAFF MEMBER NOTICED THE PK DISSECTING FORCEPS HAS WIRES EXPOSED. THE OPERATION ROOM STAFF COMPLETED CASE SET-UP AND A SIMILAR BACKUP DA VINCI INSTRUMENT WAS USED TO PROCEED WITH THE CASE. THE PROCEDURE WAS COMPLETED WITH NO REPORTED INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 17015748 ↗MalfunctionMay 27, 2023Break; Detachment of Device or Device Component; Material Split, Cut or Torn; Break; Detachment of Device or Device Component; Material Split, Cut or Torn
IT WAS REPORTED THAT DURING CENTRAL PROCESSING, THE PK DISSECTING FORCEPS WAS OBSERVED TO HAVING AN EXPOSED WIRE. THERE WAS NO REPORT OF PATIENT INVOLVEMENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 17015557 ↗MalfunctionMay 21, 2023Material Fragmentation; Material Fragmentation
IT WAS REPORTED THAT DURING CENTRAL PROCESSING, THE PK DISSECTING FORCEPS HAD AN EXPOSED WIRE AT THE DISTAL END. THERE WAS NO REPORT OF PATIENT INVOLVEMENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16971143 ↗MalfunctionMay 21, 2023Material Split, Cut or Torn; Material Split, Cut or Torn
IT WAS REPORTED THAT DURING A DA VINCI-ASSISTED SURGICAL PROCEDURE, THE CABLE ON THE INSTRUMENT BROKE. A SIMILAR BACKUP DA VINCI INSTRUMENT WAS USED TO CONTINUE WITH THE CASE. THE PROCEDURE WAS COMPLETED WITH NO REPORTED INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16971140 ↗MalfunctionMay 21, 2023Crack; Crack
IT WAS REPORTED THAT THERE WAS A CRACK IDENTIFIED IN THE INSTRUMENT AFTER OPENING THE BOX. THERE WAS NO PATIENT INVOLVED WITH THIS EVENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16971138 ↗MalfunctionMay 21, 2023Thermal Decomposition of Device; Material Discolored; Thermal Decomposition of Device; Material Discolored
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.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16971136 ↗MalfunctionMay 21, 2023Thermal Decomposition of Device; Thermal Decomposition of Device
IT WAS REPORTED THAT DURING CENTRAL PROCESSING, THE TIP OF THE PK DISSECTING FORCEPS INSTRUMENTOUT WAS OUT OF ALIGNMENT. THERE WAS NO REPORT OF PATIENT INVOLVEMENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16971133 ↗MalfunctionMay 21, 2023Material Split, Cut or Torn; Material Split, Cut or Torn
IT WAS REPORTED THAT DURING A DA VINCI ASSISTED TOTAL BENIGN HYSTERECTOMY PROCEDURE, THE JAWS OF THE PK DISSECTING FORCEPS INSTRUMENT JAWS REMAINED OPEN WHEN TRYING TO USE, AND THEY WOULD NOT GRASP TISSUE. THE INSTRUMENT APPEARED TO HAVE A CABLE LOOSE, WHEN CHECKED. THE PROCEDURE WAS COMPLETED AND THERE WAS NO PATIENT INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16971132 ↗MalfunctionMay 21, 2023Material Integrity Problem; Material Integrity Problem
IT WAS REPORTED THAT DURING CENTRAL PROCESSING, THE TIPS OF THE DISSECTING FORCEPS INSTRUMENT WERE NOT ALIGNED. THERE WAS NO PATIENT INVOLVEMENT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16971131 ↗InjuryMay 13, 2023Break; Detachment of Device or Device Component; Break; Detachment of Device or Device Component
IT WAS REPORTED THAT DURING A DA VINCI-ASSISTED TOTAL BENIGN HYSTERECTOMY SURGICAL PROCEDURE, WHILE OPENING THE PK DISSECTING FORCEPS INSTRUMENT'S JAWS TO CUT TISSUE, A PLASTIC PIECE FROM THE PK DISSECTING FORCEPS INSTRUMENT BROKE OFF AND FELL INSIDE THE PATIENT. THE BROKEN PIECE WAS IMMEDIATELY RETRIEVED AND THE PK DISSECTING FORCEPS INSTRUMENT WAS REMOVED FROM THE FIELD. THE PROCEDURE WAS COMPLETED. INTUITIVE SURGICAL, INC. (ISI) OBTAINED THE FOLLOWING ADDITIONAL INFORMATION REGARDING THE REPORTED EVENT: THE INSTRUMENT WAS INSPECTED PRIOR TO USE, AND NO DAMAGE WAS OBSERVED. PRIOR TO THE BREAKAGE, THE SURGEON DID NOT NOTICE ANY ISSUES WITH THE FUNCTIONALITY OF THE INSTRUMENT. THE INSTRUMENT DID NOT COLLIDE WITH ANY OTHER INSTRUMENTS OR HARD MATERIAL DURING THE SURGICAL PROCEDURE. THE FRAGMENT FELL INSIDE THE PATIENT WHEN THE SURGEON WAS GRASPING THE TISSUE. THE FRAGMENT WAS RETRIEVED WITH A LAPAROSCOPIC GRASPER INSTRUMENT. TO ENSURE ALL FRAGMENTS WERE RETRIEVED AND THERE WERE NO MISSING PIECES, THE CUSTOMER EXAMINED THE RETRIEVED FRAGMENT ON THE TABLE. THERE WERE NO POST-OPERATIVE TESTS PERFORMED TO CHECK FOR REMAINING FRAGMENTS. THERE WAS NO SURGICAL PROCEDURE REQUIRED TO REMOVE
Patient problems: Foreign Body In Patient
MAUDE report 16927437 ↗MalfunctionMay 13, 2023Material Integrity Problem; Material Integrity Problem
IT WAS REPORTED THAT DURING A DA VINCI-ASSISTED UROLOGY SURGICAL PROCEDURE, A MEMBER OF THE OPERATING ROOM (OR) STAFF NOTICED A BROKEN/LOOSE DISSECTING FORCEPS INSTRUMENT CABLE. A SIMILAR BACK-UP DA VINCI INSTRUMENT WAS USED TO CONTINUE WITH THE CASE. PER THE REPORTER, NO FRAGMENTS FELL INTO THE PATIENT. THE PROCEDURE WAS COMPLETED WITH NO REPORTED INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16925323 ↗MalfunctionMay 13, 2023Detachment of Device or Device Component; Detachment of Device or Device Component
IT WAS REPORTED THAT AFTER A DA VINCI-ASSISTED RADICAL PROSTATECTOMY WITH LYMPHADENECTOMY SURGICAL PROCEDURE, THE CUSTOMER OBSERVED THAT THE JAWS OF THE PK DISSECTING FORCEPS INSTRUMENT WERE MISALIGNED. THE PROCEDURE WAS COMPLETED WITH NO REPORTED INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16925269 ↗MalfunctionMay 13, 2023Break; Detachment of Device or Device Component; Break; Detachment of Device or Device Component
IT WAS REPORTED THAT DURING A DA VINCI-ASSISTED PROSTATECTOMY SURGICAL PROCEDURE, THE PK DISSECTING FORCEPS WAS FOUND TO HAVE A LOOSE CABLE. A BACKUP INSTRUMENT OF THE SAME KIND WAS USED TO COMPLETE THE PROCEDURE. THE PROCEDURE WAS COMPLETED WITH NO REPORTED INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16925268 ↗MalfunctionMay 13, 2023Break; Detachment of Device or Device Component; Break; Detachment of Device or Device Component
IT WAS REPORTED THAT DURING A DA VINCI-ASSISTED RADICAL CYSTECTOMY SURGICAL PROCEDURE, THE INSTRUMENT WAS UNABLE TO BE CONTROLLED AND THE CABLE WAS FOUND TO BE BROKEN. A BACKUP INSTRUMENT WAS USED AND THE PROCEDURE WAS COMPLETED WITH NO REPORTED INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16925259 ↗MalfunctionMay 13, 2023Break; Detachment of Device or Device Component; Break; Detachment of Device or Device Component
DURING A DA VINCI ASSISTED PROSTATECTOMY PROCEDURE, IT WAS REPORTED THAT THE PRONGS OF THE PK DISSECTING FORCEPS INSTRUMENT WERE BENT. THE PROCEDURE WAS COMPLETED AND THERE WAS NO PATIENT INJURY REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16925257 ↗MalfunctionMay 13, 2023Break; Break
IT WAS REPORTED THAT DURING A DA VINCI-ASSISTED SURGICAL PROCEDURE, THE CUSTOMER INDICATED THAT THE PK DISSECTING FORCEPS WAS NO LONGER ARTICULATING. UPON CLOSER INSPECTION, THE INSTRUMENT WAS FOUND TO HAVE A BROKEN WIRE. A BACKUP INSTRUMENT WAS USED TO CONTINUE WITH THE CASE. THE PROCEDURE WAS COMPLETED WITH NO REPORTED INJURY.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16925255 ↗InjuryMay 13, 2023Break; Break
IT WAS REPORTED THAT DURING A DA VINCI-ASSISTED MYOMECTOMY SURGICAL PROCEDURE, THE INSTRUMENT CABLE BROKE DURING THE PROCEDURE. A SMALL PIECE DETACHED AND FELL INSIDE THE PATIENT'S ANATOMY. THE FRAGMENT WAS RETRIEVED BY THE SURGEON. THE PROCEDURE WAS COMPLETED WITH NO REPORTED INJURY. IT WAS REPORTED THAT THE BROKEN PIECE WOULD NOT BE RETURNED FOR EVALUATION.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16925233 ↗InjuryJun 30, 2022Insufficient Device Problem Information; Insufficient Device Problem Information
IT WAS REPORTED THAT DURING A DA VINCI-ASSISTED TOTAL BENIGN HYSTERECTOMY PROCEDURE, BIPOLAR ENERGY STOPPED WORKING AND THE PATIENT EXPERIENCED A SMALL AMOUNT OF BLEEDING. THE ISSUE OCCURRED WHEN THE CUSTOMER ¿CHANGED BETWEEN THE FT10 BIPOLAR AND THE GYRUS PK BIPOLAR¿ INSTRUMENTS. THE PK INSTRUMENT HAD BEEN IN USE AND WORKED FINE THE ENTIRE PROCEDURE UP TO THE POINT OF THE SWAPPING INSTRUMENT ISSUE. THE SURGEON WAS WORKING WITH THE CERVIX WALL TO CUT AROUND AND DETACH THE CERVIX FROM VAGINAL WALL TO REMOVE THE UTERUS. THE SURGEON HAD CAUTERIZED WITH AN UNSPECIFIED INSTRUMENT AND WENT TO CONTINUE CAUTERY WITH THE PK DISSECTING FORCEPS (PK) INSTRUMENT BUT CAUTERY IN ¿THE PK DIDN¿T WORK¿ AND A SMALL AMOUNT OF BLEEDING FROM AN UNSPECIFIED SMALL VESSEL WAS OBSERVED. THE SURGEON QUICKLY CLAMPED THE VESSEL TO CONTROL THE SMALL AMOUNT OF ADDITIONAL BLEEDING THAT WAS DESCRIBED AS ¿LITTLE TO NO BLEEDING¿, ¿NOT ENOUGH TO EVEN MEASURE OR ESTIMATE¿ AND NO BLOOD TRANSFUSION WAS REQUIRED. THE PROCEDURE WAS COMPLETED WITH USE OF A BACKUP PK INSTRUMENT WITH CAUTERY FUNCTIONALITY AND WITH EXTERNAL FOOT PEDALS. THERE WAS NO PATIENT HARM OR INJURY. THE PATIENT IS DOING FINE AND THERE HAVE BEEN NO REPO
Patient problems: Hemorrhage/Blood Loss/Bleeding
MAUDE report 14867880 ↗MalfunctionFeb 26, 2022Material Split, Cut or Torn; Material Split, Cut or Torn
IT WAS REPORTED THAT PRIOR TO STARTING A DA VINCI-ASSISTED RADICAL PROSTATECTOMY WITH LYMPHADENECTOMY SURGICAL PROCEDURE, THE POWER CABLE OF THE PK DISSECTING FORCEPS INSTRUMENT WAS TORN. THE PROCEDURE WAS COMPLETED WITH NO REPORTED INJURY. INTUITIVE SURGICAL, INC. (ISI) MADE MULTIPLE FOLLOW UP ATTEMPTS TO OBTAIN ADDITIONAL INFORMATION, HOWEVER, NO FURTHER DETAILS HAVE BEEN RECEIVED AS OF DATE OF THIS REPORT.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 13614959 ↗MalfunctionJul 30, 2021Material Split, Cut or Torn; Material Split, Cut or Torn
REFER TO H10/H11 FOR FOLLOW-UP INFORMATION.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 12251896 ↗MalfunctionAug 28, 2020Break; Break
IT WAS REPORTED THAT DURING CENTRAL PROCESSING, THE PK DISSECTING FORCEPS INSTRUMENT WAS FOUND TO HAVE A BROKEN CABLE. THERE WAS NO REPORT OF PATIENT INVOLVEMENT.
Patient problems: No Known Impact Or Consequence To Patient
MAUDE report 10469035 ↗MalfunctionMay 21, 2020Break; Break
IT WAS REPORTED THAT PRIOR TO THE START OF A DA VINCI-ASSISTED SURGICAL PROCEDURE, THE 8MM PK DISSECTING FORCEPS INSTRUMENT WAS FOUND TO HAVE AN EXPOSED WIRE. THE PROCEDURE WAS COMPLETED WITH NO REPORTED INJURY.
Patient problems: No Known Impact Or Consequence To Patient
MAUDE report 10077865 ↗
Other System,surgical,computer controlled instrument devices
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- EndoWrist 471093Intuitive Surgical, Inc. · System, surgical, computer controlled instrument1 recall8,581 reports
- EndoWrist 471172Intuitive Surgical, Inc. · System, surgical, computer controlled instrument1 recall1 death6,302 reports
- daVinci Xi 380652Intuitive Surgical, Inc. · System,surgical,computer controlled instrument2 recalls235 deaths5,316 reports
- daVinci Xi 381121Intuitive Surgical, Inc. · System,surgical,computer controlled instrument1 recall2 deaths4,310 reports
- EndoWrist 471405Intuitive Surgical, Inc. · System, surgical, computer controlled instrument1 recall1 death3,770 reports
- EndoWrist 470327Intuitive Surgical, Inc. · System,surgical,computer controlled instrument2 recalls2,273 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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