Patent References 2583437 3835841 3918438 Ultrasonic tube inspection Ultrasonic diagnosis system assembled into endoscope Patent #: 4375818 InventorAssigneeApplicationNo. 06/377024 filed on 05/11/1982US Classes:600/470, By inflatable ballon600/116With inflatable balloonExaminersPrimary: Howell, Kyle L.Assistant: Jaworski, Francis J. Attorney, Agent or FirmInternational ClassesA61B 8/12 (20060101)A61B 1/00 (20060101) Foreign Application Priority Data1981-05-20 JPAbstractAn ultrasonic wave diagnosis device includes an ultrasonic wave transmission/reception scanner disposed at a distal end of an insertion section and having an ultrasonic wave oscillator therein, and a balloon surrounding the scanner and inflated outwardly by supplying an ultrasonic wave propagation liquid medium. A recess is formed in part of a circumferential surface of the insertion section, in the vicinity of the balloon in which an observation optical system is disposed to have a field of sight toward the balloon. | |