最近,作者发现,在39℃,超声对大鼠精子发生的抑制作用比60℃的热水、红外线、微波更强。作者进而在几种动物和人,研究了把超声作为一种绝育方法的效力。用猫、狗、猴做实验,并在3例患前列腺癌的病人进行了观察。将30只雄猫分为三组,每组10只。第一组作为对照;第二组接受一次超声处理(每平方厘米1瓦 Recently, the authors found that at 39 ° C, sonic inhibition of rat spermatogenesis was stronger than hot water, infrared, and microwave at 60 ° C. In turn, the authors studied the effectiveness of ultrasound as a method of sterilization in several animals and humans. Experiments were performed with cats, dogs, and monkeys and observed in 3 patients with prostate cancer. Thirty male cats were divided into three groups of 10. The first group served as control; the second group received one sonication (1 watt per square centimeter)