摘要：本发明公开了一种口腔颌面外科用骨塑形仪，包括支座，内有安装腔；废液收集槽，固定于支座顶壁上；支撑立柱，固连于支座上，支撑立柱上具有控制器；工作台面，水平设置于废液收集槽正上方，工作台面上均布有透液孔；升降部，设置于支撑立柱上，其具有升降端和手动操作端，工作台面与升降端相连；固定部，设置于工作台面上；切割部，设置于支撑立柱上，切割部由第一调速电机和锯片构成；修型部，设置于支座的安装腔内，修型部包括第二调速电机，第二调速电机的驱动轴自支座的侧壁水平穿出，驱动轴外端同轴设置有修型磨头；供电电源，设置于支座的安装腔内。本发明优点在于轻松实现口腔颌面部骨移植时待塑形骨体的切割及打磨，实现一机多用。

摘要：【中文】本发明涉及一种用于阻生智齿拔除的车针，属于医疗器械领域，解决了现有技术中阻生智齿的快速拔除产生的损伤大、安全性低的问题。本发明的车针分为头部与杆部，头部有用于钻凿牙齿、伸入牙髓腔的钻头和钻刀，钻刀包括多个周向分布的刀片，杆部包括外杆、连接杆和滑动杆，外杆在杆部最外层，起保护作用，连接杆通过螺纹与钻头相连，是整个装置的连接支撑结构，连接杆呈中空结构，其上带有缝隙，内部套有滑动杆，滑动杆相对于连接杆滑动时，外部的滑环可以推动钻刀的刀片向四周水平伸缩，能够切割牙齿并固定在牙齿中，拔除牙齿。本发明实现了损伤小、安全性高的阻生智齿拔除，简化拔除操作，为医生提供便利。 【EN】The invention relates to a car needle for pulling out impacted wisdom teeth, belongs to the field of medical instruments, and solves the problems of large damage and low safety caused by the rapid pulling-out of the impacted wisdom teeth in the prior art. The turning needle is divided into a head part and a rod part, the head part is provided with a drill bit and a drill knife which are used for drilling teeth and extend into a dental pulp cavity, the drill knife comprises a plurality of blades which are distributed circumferentially, the rod part comprises an outer rod, a connecting rod and a sliding rod, the outer rod is arranged on the outermost layer of the rod part and plays a role in protection, the connecting rod is connected with the drill bit through threads and is a connecting and supporting structure of the whole device, the connecting rod is of a hollow structure, gaps are formed in the connecting rod, the sliding rod is sleeved inside the connecting rod, and when the sliding rod slides relative to the connecting rod, an external sliding ring can push the blades of the drill knife to horizontally stretch and retract all. The invention realizes the extraction of the impacted wisdom teeth with small damage and high safety, simplifies the extraction operation and provides convenience for doctors.