Surgical InstrumentsMicrosurgerySteelSterilizationHistory, 16th CenturyEquipment ContaminationDecontaminationDisinfectionStainless SteelAsepsisSurgery, Computer-AssistedHistory, 17th CenturyLaparoscopesEquipment DesignCreutzfeldt-Jakob SyndromeVaricocelePrionsSterilization ReversalNeurosurgical ProceduresSurgical Procedures, Minimally InvasiveSpermatic CordVasovasostomySpinal Cord NeoplasmsAndrologyUrologic Surgical Procedures, MaleDental InstrumentsReplantationSperm RetrievalCraniotomyTarlov CystsThird VentricleAzoospermiaReconstructive Surgical ProceduresSurgical FlapsIntracranial AneurysmAnastomosis, SurgicalMeningiomaHemangioma, Cavernous, Central Nervous SystemTesticular DiseasesNeuronavigationPosterior Cerebral ArterySterilization, TubalSphenoid BoneUltrasonic Surgical ProceduresEpigastric ArteriesSuctionTreatment OutcomeReproducibility of ResultsPsychometricsCraniopharyngiomaNeuroma, AcousticCavernous Sinus