Patent ID: 8182422

Claim:
An endoscope assembly comprising: an insertion tube including a distal end region; a main imaging device on the distal end region of the insertion tube; and a detachable imaging device including: an imaging element including a proximal surface and a distal surface; a linking member including a distal portion and a proximal portion, the distal portion of the linking member being connected to the imaging element; and an attachment member including an inner surface removably frictionally engageable with an outer surface of the distal end region of the insertion tube, the attachment member being connected to the proximal portion of the linking member, the attachment member being configured to detachably engage the imaging device to the insertion tube, wherein the imaging element is arranged to take images from a field of view that includes the main imaging device when the imaging element is used to view portions of a body cavity; wherein the distal end region of the insertion tube includes a circular groove for receiving the attachment member.