US Patent 12089812 Endoscope head, endoscope and albarran lever holding member

The invention refers to an ultrasonic endoscope comprising an endoscope head body that is disposed on a distal side of an insertion portion of the ultrasonic endoscope and is provided with an Albarran lever chamber which is open continuously at an end portion and a side surface of the endoscope head body; a convex-shaped ultrasonic head that is disposed at the end portion of the endoscope head body and capable of transmitting and receiving ultrasonic signals in a lateral viewing direction corresponding to the side surface of the endoscope head body; and an Albarran lever that is disposed in the Albarran lever chamber and pivotally fixed to be rotatable.