An improved articulating device for use with a medical insertion instrument comprising in part a first tube having a plurality of ribs defining a plurality of bending segments, a second tube axially disposed within the first tube, and means for transmitting an axial deflecting pull load. Such device has improved controlled for positioning an end of the device at a selected position within the body. The articulating device has a generally constant moment of inertia and a polar moment of inertia that generally decreases from its proximal to distal end.
申请公布号
WO2004016310(A2)
申请公布日期
2004.02.26
申请号
WO2003US24707
申请日期
2003.08.08
申请人
EDWARDS LIFESCIENCES CORPORATION
发明人
GILLESPIE, WALTER, D.;MATSUURA, DAVID, G.;SIMPSON, PHILIP, J.;SMITH, GREGORY, M.