Patent ID: 7160309
Filing Date: 2007-01-09
Classification: A61B,A61F,A61M

Abstract:
1. A system for anchoring a device in a body lumen or cavity, comprising: a generally cylindrical sheath having a plurality of sidewall openings disposed equidistant around a circumference of the sheath, and having a proximal end, a distal end and a longitudinal axis extending therebetween; a rotatable element disposed within the sheath, the rotatable element rotating about the longitudinal axis of the sheath; and a plurality of projections extending radially from the rotatable element and moving transverse to the longitudinal axis of the sheath, at least one of the plurality of projections extending outwardly into the body lumen or cavity through at least one of the plurality of sidewall openings in a radial direction with respect to the longitudinal axis of the sheath, transverse to the axis of the sheath, as the rotatable element is rotated.