DRILL GUIDE DEVICE FOR DENTAL IMPLANT

摘要

A drill guide device for dental implant has a positioning unit and a guiding unit. The positioning unit has a rod, a twist knob and a base. The twist knob has a first indexing table and at least two graduated markings of elevation angle. The base has a second indexing table matching the first indexing table. The twist knob is mounted in the base. The guiding unit has an inner guider and a middle guider. The inner guider has a first bending portion and two first abutting panels, and an inner diameter of the first bending portion corresponds to an outer diameter of the rod. The middle guider has a second bending portion and two second abutting panels respectively attached to the first abutting panels, and an inner diameter of the second bending portion corresponds to an outer diameter of the first bending portion.

主权项

1. A drill guide device for dental implant comprising:
a positioning unit having
a rod being circular in cross section;a twist knob being a hemisphere and encasing one end of the rod; anda base being a cylinder, and the twist knob mounted movably in the base; a guiding unit having
an inner guider having
a first bending portion formed on the inner guider, and the cross section of the first bending portion being semi-circular, the first bending portion attached on the rod, an inner diameter of the first bending portion corresponding to an outer diameter of the rod; andtwo first abutting panels formed on two sides of the first bending portion;a middle guider;
a second bending portion formed on the middle guider, and the cross section of the middle bending portion being semi-circular, the second bending portion attached on the first bending portion, an inner diameter of the second bending portion corresponding to an outer diameter of the first bending portion; andtwo second abutting panels formed on two sides of the second bending portion and respectively attached to the first abutting panels.