US 7,547,304 B2
Guidewire-centering catheter tip
Eric G. Johnson, Flagstaff, Ariz. (US)
Assigned to Gore Enterprise Holdings, Inc., Newark, Del. (US)
Filed on Dec. 19, 2002, as Appl. No. 10/324,714.
Prior Publication US 2004/0122415 A1, Jun. 24, 2004
Int. Cl. A61M 25/00 (2006.01)
U.S. Cl. 604—528 26 Claims
OG exemplary drawing
 
18. A catheter tube comprising a tube for insertion into a body of a patient, having a longitudinal axis, a proximal end, a distal end that is substantially perpendicular to the longitudinal axis of the catheter tube, a lumen extending between the proximal and distal ends, and a device at least partially contained within and movable through the lumen of the entire length of the catheter tube a luminal surface, and a distal tip portion located adjacent to the distal end of the catheter tube, said catheter tube having centering means projecting from the luminal surface of only the distal tip portion wherein a distal-most portion of said centering means is coplanar with the distal end of the catheter tube, and wherein said centering means and said tip portion are integrally formed of one material.