Patent ID: 11889983
Assignee: DIGITAL ENDOSCOPY GMBH
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 7:
8. An ultrasonic endoscope comprising:
an endoscope head body that is disposed on a distal side of an insertion portion of the 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
a housing sheath including a hollow cylinder open at an attachment opening provided along a longitudinal direction of the hollow cylinder and rotatably supporting an Albarran lever inside, the housing sheath comprising two hinges that are connected to both edges of the attachment opening and include engagement members configured to engage with each other, the hinges being attachable to and detachable from the endoscope head body at an edge of the attachment opening, wherein
the Albarran lever chamber accommodates the Albarran lever when the housing sheath is attached.