详细解释:n. 充填器, 闭塞具, 气密装置
【医】 充填器, 填塞器, 充填体, 闭孔肌
英语解释：
名词 obturator:
a prosthesis used to close an opening (as to close an opening of the hard palate in cases of cleft palate)详细解释：
ob.tu.ra.tor
n.（名词）An organic structure, such as the soft palate, that closes an opening in the body.闭孔肌：器官性构造，如软腭，用以关闭身体开口A prosthetic device serving to close an opening in the body.修复性装置：用以关闭人体开口的修复性装置