medical surgical instrument vulsellum forceps using for obstetrics and gynecology procedure

blades cervix claws clean curettage curved dilation double episiotomy equipment forceps grasp grasper graspers grasping grip gynecological gynecology hold hook hospital hysterectomy instrument instruments kelly medical obstetrics operation pointed procedure ratchetre room schroeder side skene stainless steel straight surgery surgical teale teeth tip tooth toothed usable using uterine uterus vulsellum ways