Patent ID: 6302887
Filing Date: 2001-10-16
Classification: A61B

Abstract:
A bone fastener system for securely fastening bony and soft tissue, comprising:a bone fastener, the bone fastener comprising a male component and a female component, wherein both the male and female components each have a head portion with an inner face which is convexly semi-spherical and an outer face which is convexly semi-spherical, the male component further having an elongated body portion, the body portion of the male component being cannulated and having external threads, the female component further having an elongated body portion, the body portion of the female component having an axial throughbore with internal threads, wherein the external threads of the male component correspond to and are configured to mate with the internal threads of the female component;at least one washer member, the washer member comprising a concavely semi-spherical recess configured to receive the inner face of at least one of the male component and female component; andan installation tool, the installation tool configured for coupling with the head portion of the male component.