By using the DORNIER4060 Nd:YAG laser the lascr,fiber was introduced into the vas deferens of 30 rabbits (60 vasa deferentia) and irradiation was conducted. The vasa deferentia were totally occluded.

• 应用Nd：YAG激光机，将激光光纤插入家兔输精管照射凝堵，30只家兔输精管完全堵塞。