pipe fittings

Advances have been made in intracytoplasmic sperm injection (ICSI), refined microsurgical reconstructive techniques (vasovasostomy and vasoepididymostomy), and microsurgical techniques of surgical sperm retrieval from the epididymis and testis.

与此同时 ,显微外科输精管吻合和输精管附睾吻合的技术革命使治疗梗阻性无精子症的效果显著地改善 ,成为治疗梗阻性无精子症的首选方法。