Surgical targeting instrument for use during replacement of intervertebral disk in vertebral column of human being, has body for connecting arms and comprising markers, where one of arms defines insertion direction along angle

摘要

The instrument (10) has arms (200, 300) arranged for forming an insertion angle (320), where the arm (300) defines an insertion direction along the angle. A connection body (250) connects the arms, and comprises different radio-opaque markers (260). The arm (200) is longitudinally aligned with a median axis of a vertebral column and partially received in an end plate of a lower vertebra (100) of a cavity (120) in the column.