stent

剑桥词典

a long thin object put inside a tube in the body , for example a blood vessel , so that its walls stay firm or so that body fluids can flow easily through it
（植入身体导管内，例如用于防止血管壁粘合的）细长支架

a small piece of mesh that keeps any tube-like body structure open so body fluids can flow freely through it
（植入身体内用于保证管道结构畅通的）小片网状物 返回 stent