柯林斯詞典stent /st?nt/ 1. N a tube of plastic or sprung metal mesh placed inside a hollow tube to reopen it or keep it open; uses in surgery include preventing a blood vessel from closing, esp after angioplasty, and assisting healing after an anastomosis 血管內(nèi)支架[醫(yī)學(xué)] 返回 stents