FDA Adverse Event Malfunction Summary report: N

MARYLAND BIPOLAR FORCEPS INSTRUMENT

MDR report key: 3873179 · Received June 13, 2014

Report

Report Number
2955842-2014-03650
Event Type
Malfunction
Date Received
June 13, 2014
Date of Event
May 19, 2014
Report Date
May 19, 2014
Manufacturer
INTUITIVE SURGICAL,INC.
Product Code
NAY
PMA / PMN Number
K050369
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CA
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

THE INSTRUMENT WAS RETURNED AND EVALUATED. PER THE CUSTOMER REPORTED COMPLAINT, FAILURE ANALYSIS FOUND THAT ONE GRIP WAS BENT, CAUSING SIDE-TO-SIDE MISALIGNMENT OF THE GRIPS. THERE WAS A .040 OFFSET AT THE TIPS. THE BENT GRIP HAD SEPARATION OF THE YAW PULLEY AND PULLEY COVER AT THE GLUE JOINT, INDICATING OVERLOADING AT THE TIP. THE INSTRUMENT PASSED ELECTRICAL CONTINUITY TESTING. THE EVIDENCE WAS INCONCLUSIVE, BUT THE DAMAGE WAS LIKELY DUE TO MISHANDLING/MISUSE. FAILURE ANALYSIS INVESTIGATION ALSO FOUND THE FOLLOWING ADDITIONAL DAMAGES TO THE INSTRUMENT: THE PITCH CABLE WAS FOUND FRAYED AT THE DISTAL CLEVIS HUB. NO DAMAGE WAS FOUND AT THE CLEVIS. THERE WERE INDENTATIONS AT THE EDGE OF THE DISTAL PULLEY AND VISIBLE SCRATCHES ON THE SURFACE OF THE PULLEY. THE EVIDENCE WAS INCONCLUSIVE, BUT THE DAMAGE WAS LIKELY DUE TO MISHANDLING/MISUSE. THE DISTAL END OF THE MAIN TUBE HAD VARIOUS SCRATCH MARKS EXHIBITING LIGHT MATERIAL REMOVAL AND A ROUGH SURFACE FINISH. THE SCRATCHES WERE SHORT IN LENGTH AND NOT AXIALLY ALIGNED WITH THE TUBE. NO OTHER DAMAGE WAS FOUND. THE ENDOWRIST® INSTRUMENTS INSTRUCTIONS FOR USE (IFU) SPECIFICALLY STATES: GENERAL PRECAUTIONS AND WARNINGS - HANDLE INSTRUMENTS WITH CARE. AVOID MECHANICAL SHOCK OR STRESS THAT CAN CAUSE DAMAGE TO THE INSTRUMENTS. THE CUSTOMER REPORTED COMPLAINT DOES NOT ITSELF CONSTITUTE A MDR REPORTABLE EVENT; HOWEVER, THE DAMAGED CABLE AND/OR THE TUBE ABRASIONS, FOUND DURING FAILURE ANALYSIS EVALUATION COULD LIKELY CAUSE OR CONTRIBUTE TO AN ADVERSE EVENT IF THE FAILURE MODE WERE TO RECUR.

Description of Event or Problem · 1

IT WAS REPORTED THAT THE MARYLAND BIPOLAR FORCEPS INSTRUMENT TIPS WERE NOT ALIGNING DURING REPROCESSING. NO FRAGMENTS FELL INTO THE PATIENT, NO PATIENT HARM, ADVERSE OUTCOME OR INJURY WAS REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
351340 MARYLAND BIPOLAR FORCEPS INSTRUMENT ENDOSCOPIC ELECTROSURGICAL INSTRUMENT NAY INTUITIVE SURGICAL,INC. 420172-09 N10140311 589

Patients

Seq Age Sex Outcome Treatment
1