| abstract |
An elongated medical device comprising: a first lumen, wherein a cross-sectional shape of the first lumen comprises a peanut shape; and a plurality of second lumens, wherein the plurality of second lumens are adjacent to the first lumen, wherein the first lumen includes a lumen liner conforming to a cross-sectional shape of the first lumen, wherein the lumen liner includes a first material, the elongate medical The device includes a second material, wherein the first material is different from the second material. |