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
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