FDA Adverse Event Malfunction Summary report: N

AXON PATIENT MODULE

MDR report key: 3011032 · Received March 14, 2013

Report

Report Number
1045254-2013-00268
Event Type
Malfunction
Date Received
March 14, 2013
Report Date
July 5, 2012
Manufacturer
MEDTRONIC XOMED, INC.
Product Code
GWF
PMA / PMN Number
K061639
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
AL, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 1

EVAL FOUND THE CABLE PULLED OUT OF STRAIN RELIEF AND THE CASE IS BROKEN. ALSO, LONG JUMPER ACROSS CONNECTOR BOARD AND SURFACE MOUNT CAPACITORS WAS STANDING ON END. THE CABLE, CASE AND CONNECTOR BOARD WERE REPLACED. THE MANUFACTURE DATE FOR THIS DEVICE WAS NOT ABLE TO BE DETERMINED BECAUSE THERE WAS NOT A SERIAL AND OR LOT NUMBER PROVIDED. THE NIM-ECLIPSE SYSTEM NEUROVASCULAR WORKSTATION IS INTENDED FOR USE TO MONITOR SENSORY AND MOTOR PATHWAYS. IF THE SYSTEM FAILS TO PERFORM AS INTENDED, (ESPECIALLY TO EFFECT OR DETECT ELECTROMYOGRAPHIC (EMG) ACTIVITY) IT PRESENTS THE POTENTIAL FOR TEMPORARY OR PERMANENT DAMAGE TO THE NERVE THAT IS PRESENT. THE ECLIPSE PATIENT MODULE SERVES AS AN INTERFACE BETWEEN THE PATIENT AND THE ECLC/CONTROLLER. IT IS DESIGNED TO DELIVER STIMULUS AND RECORD THE READINGS VIA ELECTRODES. WHEN INFO SUGGESTS THAT THE NIM ECLIPSE EQUIPMENT HAD THE POTENTIAL TO NOT STIMULATE TO AFFECT ELECTROMYOGRAPHY (EMG), OR TO DETECT EMG, IT IS ASSUMED THAT THE FAILURE WAS DEVICE-RELATED AND MAY HAVE GONE UNDETECTED. IN THIS CASE, THERE IS NO INFO TO SUGGEST AN EVENT COULD NOT BE INTERPRETED FALSELY- THE REPORT IS INCONCLUSIVE AS TO THE CAUSE OF FIELD OBSERVATION. THEREFORE, WITHOUT INFO TO REASONABLY SUGGEST SERIOUS INJURY, OR THAT MEDICAL INTERVENTION WAS REQUIRED TO PRECLUDE SERIOUS INJURY, WE ARE FILING THIS REPORT AS A PRODUCT PROBLEM. THE NIM-ECLIPSE SYSTEM DOES NOT PREVENT THE SURGICAL SEVERING OF NERVES. IF MONITORING IS COMPROMISED, THE SURGICAL PRACTITIONER MUST RELY ON ALTERNATE METHODS, OR SURGICAL SKILLS, EXPERIENCE, AND ANATOMICAL KNOWLEDGE TO PREVENT DAMAGE TO NERVES.

Description of Event or Problem · 1

THE MFR HAS REFINED THE CRITERIA FOR MAKING MDR DECISIONS. UPON A RETROSPECTIVE REVIEW, THE FOLLOWING EVENT IS NOW BELIEVED TO BE REPORTABLE: A CUSTOMER RETURNED A PATIENT INTERFACE MODULE FOR SERVICE/REPAIR STATING ¿EXPOSED WIRES AND A FEW CHANNELS ARE NOT WORKING PROPERLY.¿ THERE WAS NO SUGGESTION OF PATIENT INJURY. TESTING/REPAIR CONFIRMED THE REPORTED EVENT. THE AVAILABLE INFO INDICATES THE PATIENT MODULE ¿DID NOT WORK PROPERLY¿, WHICH SUGGESTS THAT IT MAY NOT HAVE BEEN STIMULATING/DELIVERING CURRENT, AND THE USER WAS NOT ALERTED BY A SYSTEM ALARM, WARNING SCREEN OR ERROR MESSAGE. IF THE SYSTEM IS NOT STIMULATING/DELIVERING CURRENT AND THE USER HAS NOT BEEN ALERTED TO THIS MALFUNCTION THIS COULD POTENTIALLY CAUSE INJURY TO THE PATIENT BY FAILING TO IDENTIFY A NERVE. AT THIS TIME WE ARE UNABLE TO CONFIRM WHETHER THE CUSTOMER RECEIVED ANY ERROR MESSAGES OR ALERTS OF THE FAULT. THIS REPORTED EVENT HAS NO REFERENCE TO AN ALARM OR WARNING, THEREFORE, IT MUST BE ASSUMED THAT AN ALARM OR WARNING WENT UNDETECTED OR DID NOT OCCUR.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
108130 AXON PATIENT MODULE GWF-STIMULATOR, ELECTRICAL, EVOKED RESPONSE GWF MEDTRONIC XOMED, INC. 945OPM660

Patients

Seq Age Sex Outcome Treatment
1