Patent ID: 8182416

Claim:
An endoscope comprising: a long flexible insert portion which has an imaging device on a tip thereof; a display portion which displays an image obtained by the imaging device; a manipulation portion for bending the insert portion; a casing which houses the display portion and the manipulation portion at a front side, and to which the insert portion is connected at a back side; and a battery which supplies electricity to the display portion, wherein the casing has an upper portion in which the display portion is housed and a lower portion in which the manipulation portion is housed, wherein the lower portion has a front side at which the manipulation portion is provided and a back side opposite from the front side, wherein at least a portion of the back side of the lower portion is convex, and wherein the back side includes a first finger grip portion and a second finger grip portion, wherein the lower portion is adapted to be held by a single hand of a user, wherein the insert portion is coaxial with the manipulation portion and is connected to the convex portion of the back side of the lower portion between the first finger grip portion and the second finger grip portion such that the insert portion extends between fingers of the single hand when the user holds the lower portion, and wherein an opening for inserting and removing the battery is provided in a back side of the upper portion.