Patent ID: 6416518
Filing Date: 2002-07-09
Classification: A61B

Abstract:
A combination drill and screw guide comprising in combination: a hollow cannula cylinder having predetermined cannula cylinder internal diameter; said cannula cylinder including a serrated bottom end to said cannula cylinder for promoting insertion of said bottom end within a drillable object,a hollow drill guide cylinder having a predetermined drill guide cylinder outer diameter and a drill guide cylinder inner diameter, said drill guide cylinder outer diameter being sized for clearance fit relation with said cannula cylinder inner diameter, whereby said drill guide cylinder is removably insertable within said cannula cylinder; a solid drill cylinder having a predetermined bladed drill cylinder outer diameter, said drill cylinder outer diameter being sized for clearance fit relation with said cannula cylinder inner diameter, whereby said drill cylinder is removably insertable within said drill guide cylinder; and a solid screw threaded cylinder having a predetermined solid screw threaded cylinder predetermined diameter and a screw head at one end thereof, said screw head having a predetermined outer diameter greater than said threaded cylinder diameter, said screw head outer diameter being sized for clearance fit relation with said cannula cylinder inner diameter whereby said cannula inner cylinder guides said screw head when said drill guide cylinder is removed from said cannula cylinder and said screw is inserted therein.