Catheters with laser cut hypotube scaffold for flow under significant pressure differentials

Abstract

Medical catheters for transfer of fluids comprise a laser cut hypotube and an embedded polymer flowed into the cuts of the laser-cut hypotube. The laser cut hypotube may be configured to extend along at least about the distal 30% of the catheter length. The laser cut hypotube may further comprise a plurality of sections, each of the plurality of sections having a distinct laser cut pattern. The distinct laser cut pattern may be associated with a flexibility of the corresponding section. The catheter may further comprise a low friction polymer coating over an exterior surface, an interior surface, or both.

Dependencies are inferred from the claim text.