CPC A61M 25/0054 (2013.01) [A61M 25/0009 (2013.01); A61M 25/0053 (2013.01); A61M 25/0068 (2013.01); A61M 25/10 (2013.01)] | 19 Claims |
1. A catheter comprising:
an elongate body having a proximal segment and a distal segment;
a first lumen defined by the elongate body; and
at least one anterior flexibility region on or in the distal segment of the elongate body, wherein the at least one anterior flexibility region:
extends from an anterior external surface of the elongate body into the first lumen,
extends from the anterior external surface at least partially circumferentially along an exterior sidewall of the elongate body without penetrating the first lumen along the exterior sidewall,
has a cut depth percentage of about 40% to about 50% of an outer diameter of the elongate body, and
has a percent volume of material removed of about 20% to about 40%.
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