Operation lever, medical device, ultrasound probe, and endoscope

Abstract

There are provided an operation lever, a medical device, an ultrasound probe, and an endoscope that allow an operator to easily perform an operation. An operation lever that is attached to an operation part for operating an insertion part to be inserted into a subject so as to be rotatable about a rotation axis, the operation lever includes an inner surface part that faces a side of the operation part, an outer surface part that faces a side opposite to the side of the operation part and has a width in a longitudinal direction of the operation part smaller than a width of the inner surface part, and an inclined surface part that is provided between the outer surface part and the inner surface part and is inclined with respect to the outer surface part.

Dependencies are inferred from the claim text.