From April 1984 to April 1986, 45 bioprosthetic valves mounted on flexible stent made of Elgiloy were used to replace heart atrio-ventricular valves.

 
  • 本文報道應用彈性合金鋼絲作支架制成的生物瓣膜,為45名病人替換心臟房室瓣的經(jīng)驗。
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