“纯”纵向振动的圆形刀头的超声刀的研制
 周红生1,2,许小芳1,程茜3,钱梦騄3
 A design and study of ultrasonic scalpel of spherical tip
in "pure" longitudinal vibration mode*
 Zhou Hong Sheng1’2,Xu Xiao一Fang1,Cheng Qian3,Qian Meng一Lu 3**
南京大学学报(自然科学版) . 2012, (5): 553 -558 .