ENDOVASCULAR DEVICES AND METHODS

摘要

Devices and methods for the treatment of chronic total occlusions are provided. One disclosed embodiment comprises a method of facilitating treatment via a vascular wall defining a vascular lumen containing an occlusion therein. The method includes providing an intravascular device having a distal portion, inserting the device into the vascular lumen, positioning the distal portion in the vascular wall to at least partially surround the occlusion, and removing at least a portion of the surrounded occlusion from the lumen.

主权项

1. A subintimal device, comprising:
an elongate device body including a proximal shaft portion, a distal coil portion, and an enlarged distal tip; wherein the distal coil portion is integrally formed with the proximal shaft portion; wherein each coil winding of the distal coil portion includes geometric features configured to engage with adjacent coil windings.