Surgery any of various materials or devices used to hold tissue in place; esp., a tubular device implanted inside a blood vessel to keep the vessel open
See stent in American Heritage Dictionary 4
(stĕnt)
noun
A device used to support a bodily orifice or cavity during skin grafting or to immobilize a skin graft following placement.
A slender thread, rod, or catheter inserted into a tubular structure, such as a blood vessel, to provide support during or after anastomosis.