Patent ID: 7473218

Claim:
An assembling method of a capsule medical apparatus including a sealed capsule having a cylindrical casing with a central axis, an illuminating unit, an image pick-up unit for picking up an image of a portion illuminated by the illuminating unit, and an objective optical system for focusing an image on the image pick-up unit through an optical path of the objective optical system, wherein the objective optical system is attached to a fixing frame, the assembling method comprising: displaying an image area of the image pick-up unit and establishing one or more reference positions thereon in order to locate a center position of said image area; displaying an image of the fixing frame and overlapping the image of the fixing frame with the image area of the image pick-up unit; positioning the fixing frame such that the center position of the image area of the image pick-up unit coincides with the center position of the image of the fixing frame, the optical path of the objective optical system, and the central axis of the cylindrical casing; and a fixing step after the positioning step wherein the image pick-up unit and the fixing frame are attached and made to be fixed in position with respect to each other.