ROD FOR CERVICAL VERTEBRA AND CONNECTING SYSTEM THEREOF

摘要

PURPOSE: Rod for cervical vertebra and connecting system thereof are provided to set a mounting angle of the rod plate for the cervical vertebra and an implant to a desired angle. CONSTITUTION: The connector includes a first fastening member(55) having an engagement hole(53) freely engaging with a head portion of an implant(41) screwed and inserted into a body of vertebra and a fastening groove(57), a second fastening member(63) having an insertion hole(61) freely inserting a rod(49) therethrough and a fastening groove(65), and a fastening device(69) freely penetrating a through hole(59) crossing to the fastening groove(57) in the first fastening member(55) and a through hole(67) crossing to the fastening groove(65) in the second fastening member(63), and an angle adjusting and engaging portion is provided on connecting surfaces(55a) and (63a) between the first fastening member(55) and the second fastening member(63).