Patent ID: 6246914
Filing Date: 2001-06-12
Classification: A61N

Abstract:
A high torque catheter comprising:a flexible catheter shaft having a distal shaft section, a proximal shaft section and a middle shaft section, wherein each shaft section has a distal end and a proximal end, said flexible catheter shaft having at least one lumen extending between the distal end of the distal shaft section and the proximal end of the proximal shaft section;a handle secured at the proximal end of the proximal shaft section; andat least one shaft section comprising a high torque transmission assembly for transmitting torque along said at least one shaft section, said high torque transmission assembly comprising a slit tubular element that has a plurality of slits on said slit tubular element, wherein arrangement of said plurality of slits with respect to a longitudinal axis of said shaft section is selected from the group consisting of an angled slit, a curved slit, and a combination of a perpendicular slit and an angled slit.