Patent ID: 7559946

Claim:
An apparatus for insertion into a body lumen, said apparatus comprising: an elongate member having proximal and distal ends, said distal end being insertable into the body lumen; at least one clamping arm including a first end having a pivotal connection with said distal end of said elongate member, said pivotal connection providing pivotal movement of said at least one clamping arm relative to said elongate member, said at least one clamping arm extending away from said pivotal connection toward said proximal end of said elongate member; control means for controlling the pivotal movement of said at least one clamping arm relative to said elongate member, said control means being operatively connected with said at least one clamping arm; and a positioning mechanism for supporting said elongate member and facilitating insertion of said elongate member into the body lumen, said positioning mechanism comprising: an outer frame supportable relative to the body lumen; an inner frame connected to said outer frame, said inner frame being rotatable about a first axis relative to said outer frame; and an advance assembly connected to said inner frame, said advance assembly being pivotable about a second axis relative to said inner frame, said second axis extending perpendicular to said first axis, said advance assembly comprising a sleeve for receiving said elongate member and advancing means operative to impart advancement of said elongate member in opposite directions along a longitudinal axis of said elongate member.