Conmed received the powerpro pneumatic modular handpiece for evaluation on 26-oct-2015 and confirmed the report of intermittent power and will not stop.Visual inspection noted the trigger seal is dry from age.Mechanical testing of the returned handpiece found the motor torque is weakening and the trigger will not release fully because the trigger seal is preventing free movement of the trigger shaft.It appears that this handpiece failure is related to inadequate maintenance and normal wear and tear.This handpiece was manufactured on june 19, 2008 and has been in use for over 7 years.The last date of preventive maintenance or servicing by the manufacturer occurred on june 21, 2013.This handpiece has a recommended 12 month service interval and is approximately 1 year and 4 months overdue for preventive maintenance.Lack of preventive maintenance can cause device components to become worn and damaged over time.This failure mode is addressed in the fmea, and the safety risk has been found to be acceptable.The user manual contains the following recommendations for the care and maintenance of the powerpro pneumatic handpiece: regular and proper maintenance of your powerpro® handpieces are the best ways to protect your investment.It is essential that you have your powered surgical instruments serviced as scheduled in order to retain their optimum performance and reliability, which will reward you with safer, less problematic product performance over time.The recommended maintenance interval for service of your powerpro handpieces is every 12 months.Your authorized hall® surgical service department is the most knowledgeable about the powerpro instruments and will provide competent and efficient service.Service at conmed linvatec/hall surgical at the recommended service interval is mandatory to keep your product warranties in effect.Any services and/or repairs done by any unauthorized repair facility may result in reduced performance of the instruments or instrument failure.
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