Patent ID: 8292801

Claim:
A surgical treatment apparatus comprising: an outer sheath, extending from a base portion subject to an operator's hand to the tip subject to insertion into a body cavity, that is provided with a working channel through which a treatment instrument can be passed; an image pickup device disposed at a tip portion of the outer sheath and being movable to a position offset from a central axis line of the outer sheath; pivotable forceps passed through the outer sheath so as to freely extend/retract and provided with a pair of forceps members arranged so as to be freely opened/closed and freely bent in a direction substantially orthogonal to the opening/closing direction thereof, the pivotable forceps provided with a hollow sheath; and a second forceps instrument inserted into the hollow sheath so as to freely extend/retract, and arranged so as to be freely protruded from and sunk into an opening formed in the hollow sheath of the pivotable forceps and used to treat tissue inside the body when the forceps members are bent.