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Intuitive surgical, inc.(isi) received the da vinci product to perform failure analysis.The endoscope instrument was analyzed and visually inspected.Damage was found at the distal end.The distal window located at distal tip was visually inspected and found cracked.Additionally, the endoscope was visually inspected and damage was found at the distal end.The distal window located at the distal tip was visually inspected and found to have a broken or detached piece in a location that could fall into the patient.The endoscope was visually inspected and found with mechanical damage the scope¿s distal tip.The endoscope was tested and placed on in-house system for functional testing and failed to provide a video due to an electrical communication failure.The in-house system failed to communicate with the endoscope, resulting in an error message: check endoscope cable connection/endoscope self test failed.The endoscope was tested and placed on a in-house system for functional testing and failed the endoscope diagnostic test (edt) not recognize.The endoscope was evaluated and found with a camera instrument adapter defect.The endoscope was placed through friction test using a screening aide to manually rotate the adapter to detect for friction.The camera instrument adapter did not rotate properly and/or noises were heard during testing and confirmed as binding.The camera instrument adapter removed from endoscope housing and evaluated and found with attached endoscope adapter (aea) shaft bearing contributing to friction.The probable root cause of the reported issue is attributed to usage conditions, such as inadvertent collisions with hard surfaces or drop of the scope or caused by improper cleaning during reprocessing.
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