His surgical innovations included designs for laryngoscopes, bronchoscopes, oesophagoscopes, an operating table, and tracheotomy equipment.
2.
These instruments, developed in collaboration with the Genito-Urinary Company of London, included laryngoscopes, bronchoscopes ( such as the Negus bronchoscope ) and oesophagoscopes.
परिभाषा
an optical instrument for examining the inside of the esophagus पर्याय: esophagoscope,
मोबाइल