The MaxRetractor is a new type of invention used for intra-oral pulling lip. It include Body, one side is curved U-shape with a V-shaped notch in the middle to avoid injure the frenum the other side is a Handle which bended 30 degree away from the plan of the body. The operator inserts the curved part of the device between lip and front teeth of the patient then pulls it vertically. With MaxRetractor, the operator can see the whole dentition without the angles of the lip blocking the view. It is good for intra-oral photography, dental check up and dental treatments.本發明為一種口內手拉鉤,其包括有板體,該板體一端彎折成鉤部,其中央有一凹槽避開唇繫帶;另一端則設置有彎曲30度之柄部。該鉤部用來放入就診者口中勾住嘴唇並垂直拉開;該柄部則提供操作者方便持握操作。藉此,該操作者利用該鉤體拉開該就診者上或下嘴唇,即可方便對就診者進行上或下牙弓口內攝影或診查及醫療工作。
