stent

stent [Charles R. Stent, 19th-century English dentist] , 1. a compound used in making dental impressions and medical molds. 2. a mold or device made of stent, used in anchoring skin grafts. 3. a rod or threadlike device for supporting tubular structures during surgical anastomosis or for holding arteries open during angioplasty.

Coronary artery stent (Lewis et al, 2011)