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US 2017/0319339 A9Published application
Loading and delivery of self-expanding stents
AssigneeC. R. Bard, Inc.
InventorJurgen Dorn
Life of this patent
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Abstract
A method of deploying a stent includes providing a delivery system with the stent loaded in a reduced diameter configuration between an inner catheter and an outer sheath, the stent including a covering positioned on a luminal wall surface thereof, the inner catheter including a radially outwardly extending protrusion that extends into the covering but does not intersect a plane along the stent luminal wall surface, advancing the delivery system to a stenting site, and withdrawing the outer sheath to deploy the stent at the stenting site.
Claims11
A method:
- providing a covered stent comprising:
- a stent having a lumen and a plurality of struts with apertures between the struts;
- luminal and abluminal covers comprising a material wherein the covers are spaced apart by the stent,
- wherein the abluminal and luminal covers connect to each other through the apertures;
- providing a stent pusher in the lumen having protrusions along the length of the lumen;
- compressing the stent inwardly until the protrusions deform the material;
- inserting the pusher and the compressed stent into a delivery sheath;
- and
- withdrawing the pusher from the lumen inside the delivery sheath by unscrewing the stent pusher.
6 more elements
Dependencies are inferred from the claim text.