SiliconesSilicone ElastomersCatheters, IndwellingCathetersSilicone OilsBreast ImplantsCatheterizationCatheterization, Central VenousUrinary CatheterizationCentral Venous CathetersCatheterization, PeripheralRetinal DetachmentCardiac CathetersDimethylpolysiloxanesEquipment FailureVitrectomyEquipment DesignUrinary CathetersProstheses and ImplantsCatheter-Related InfectionsForeign-Body ReactionDental Impression MaterialsSiloxanes