(b)(4).Batch n93n49.The device was returned with the tip of the blade broken off and not returned with the device.The remaining blade portion was scratched ¿ evidence of contact with metal in or out of the operative field.This blade tip portion may have broken off of the device during transport to our analysis site.The reported complaint was for a detached tissue pad.The tissue pad was in good condition and attached to the clamp arm.The device was connected to the gen11/pi key to test functionality.It did not pass functionality testing.Probable causes of blade damage, including breakage, are external contact during pre-op or general use, blade contact with other devices, staples or clips during the procedure.Once minor blade damage has occurred, subsequent activations may increase damage severity and result in alert screens, such as ¿blade error detected¿ or ¿relax pressure on blade¿ or ¿remove instrument from patient¿ followed by a ¿replace instrument¿ screen displayed on the generator.The batch history records were reviewed and the manufacturing criteria were met prior to the release of the batch.
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