Attachment of support to spinal column - involves hooked element secured with screw

摘要

The spinal column of a patient is supported by a frame consisting of two vertical rods (6) connected by cross-members. Each vertical rod (6) is attached to the base of the spinal column by a device (11) which consists of a block (21) with a through hole (15) to receive the rod (6) which is secured to the block by screws (18). The face of the block parallel to the rod (6) is serrated and receives the serrated face of a hooked element (22) which is secured by a screw (24). This hooked element (22) receives the shank of the screw (13) which fastens the rod (6) to the base of the spinal column. USE - Support for spinal column.