US Patent 10932926 Stent assembly and methods for treatment via body lumens

Various stent assemblies for placement in a body lumen that includes a support element comprising metal struts constructed to be positioned in a body lumen, and a knitted layer or cover disposed over an interior, an exterior, or both, of the support element and along an entire length thereof, wherein the knitted layer or cover comprises a single polymer fiber or metal wire having a diameter of at least 40 nanometers to 30 microns, wherein the support element and knitted cover together have apertures sized 100 microns to 300 microns in diameter, or alternatively from 200 microns to 1500 microns, to block larger debris when the stent assembly is properly placed in a body lumen. Methods of stenting a body lumen by applying the stent assembly to a patient in need of treatment and expanding the stent assembly in situ are disclosed.