Patent ID: 8202265

Claim:
A medical device, comprising: an outer shaft extending from a proximal end of an insertable portion of the medical device to a distal end of the insertable portion of the medical device, wherein the insertable portion of the medical device is configured for insertion into a natural body lumen of a patient; and a number of lumens inserted within the interior of the outer shaft, wherein each lumen of the number of lumens has an outer surface flexibly joined at one or more points along a length of the lumen to a flexible material so that each lumen is flexibly connected to at least one other lumen and longitudinally fixed with respect to an adjacent lumen of the number of lumens; wherein the number of lumens are connected to form a flexible ribbon that is folded before insertion into the interior of the outer shaft; and wherein an innermost surface of the outer shaft is entirely separated from an outermost surface of the flexible material between adjacent lumens of the number of lumens.