Patent ID: 8226406
Filing Date: 2012-07-24
Classification: A61C

Abstract:
1. A positioning assist device for drilling multiple dental implant holes, comprising: a main arm unit, wherein the main arm unit has an arm body with a first end and a second end disposed as opposed to each other, and the first end has a reference shaft pivoted on the first end, wherein the first end of the main arm unit has an axis hole disposed therein vertically for allowing the reference shaft passing therethrough; a first position mechanism corresponding to the reference shaft; at least a first position indentation encircling the reference shaft at a height of the reference shaft, wherein the arm body has a first through hole passing to the axis hole, and the first position mechanism includes: an extension arm unit pivoted on the second end of the main arm unit via a connecting shaft, wherein the extension arm unit has a first connecting head, a pair of connecting rods, and a second connecting head all pivoted sequentially, a external end portion of the second connecting head has a drill-guiding portion disposed thereon, and the drill-guiding portion has a drill-guiding hole.