Patent ID: 8622994
Filing Date: 2014-01-07
Classification: A61M

Abstract:
1. A flexible composite tube for medical applications having a longitudinal axis, comprising: an inner tubular braid disposed along the longitudinal axis; an outer tubular braid disposed radially outside of the inner tubular braid along a length, said inner and outer tubular braids being adapted to transfer a torque along the longitudinal axis of the tube, and being made of intertwined wire elements; and a coil disposed longitudinally along the tube, radially inside of the outer tubular braid and radially outside the inner tubular braid, adapted to limit radial contraction of the outer tubular braid and radial expansion of the inner tubular braid, wherein at least one of the inner tubular braid and the outer tubular braid is made of at least first and second intertwined wire elements that intersect at an intersection point, and the first and second intertwined wire elements are adapted to slide past one another at the intersection point, and wherein a layer is disposed between the coil and a radially innermost surface of the outer tubular braid along the entire length of the coil and the outer tubular braid.