| http://www.w3.org/ns/prov#value | - e housing for moving the instrument in the inner catheter lumen relative to the inner catheter; and the housing having an axis, said housing including a mounting section coupled to the proximal end portion of the inner catheter, a rotatable section and a coupling for coupling the rotatable section to the mounting section so that the rotatable section is rotatable generally about the axis of the pa
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