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The reported device was discarded by the user facility due to biomaterial on the device; therefore, an evaluation is unable to be performed.A review of the manufacturing documents has verified the devices were produced per current and approved procedures and material specifications.Non-conformances regarding the product's identity, quality, safety, effectiveness or performance were not identified during manufacture that would contribute to this issue.No prior complaints have been received for this specific lot of (b)(4) units.A two-year historical complaint review revealed 6 similar events involving (b)(4) devices have been reported for this product.In that same timeframe, (b)(4) devices have been manufactured and shipped worldwide.A risk analysis was performed and this failure is deemed acceptable.The customer is advised of the following warnings and precautions set forth in the instructions for use.After use blades, burs and tubing sets may be a potential biohazard and should be handled and disposed in accordance with acceptable medical practice and applicable local and national requirements.Do not use burs for plunge cutting.Injury or damage may occur.Disposable blades and burs are supplied sterile and are for single use only.Always inspect for bent, dull or damaged blades or burs before each use.Do not attempt to straighten or sharpen.Do not use if damaged.Direct contact of the rotating cutting edge of shaver blades and burs with metallic surfaces and/or other hard surfaces such as arthroscopes, cannulas, or other instruments can cause damage to the devices.If contact does occur, shaver blades can break, seize, or shed metal particles.Shaver blade or bur should be examined for damage and replaced if necessary.Do not apply excessive loading on the shaver blade or bur.Cutting performance is not increased with force.Excessive force or using shaver blades or burs as a lever can cause damage to the device including permanent deformation, shedding of metal (wear), motor seizure, and overheating.This incident type will continue to be monitored through the complaint system to assure patient safety.
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