Patent ID: 9687333
Date: 2017-06-27
CPC Classifications: A61F,A61M

Claim:
1. A multi-lumen catheter comprising: a single catheter body member of a unitary material having a first lumen in the single catheter body member, the first lumen having a first transverse lumen cross-section, a second lumen in the single catheter body member, the second lumen having a second transverse lumen cross-section that is different from the first transverse lumen cross-section, and a third lumen in the single catheter body member, the third lumen having a third transverse lumen cross-section that is different from the first transverse lumen cross-section and the second transverse lumen cross-section; wherein each of the first lumen, the second lumen and the third lumen reside within the single catheter body member, are laterally adjacent and parallel to each other and each have a proximal opening and a distal opening; at least one elongate reinforcing member fixed within the unitary material of the single catheter body member or not in any of the first lumen, second lumen or third lumen; and a sheath disposed about the body member, wherein the sheath forms a non-annular fluid passageway around an outside surface of the body member.