Patent ID: 7794477
Filing Date: 2010-09-14
Classification: A61B

Abstract:
1. An anchor assembly, comprising: an anchor member including a head and a lower portion extending from the head for engagement with a bone member; a coupling member pivotally coupled to said head of said anchor, said coupling member including a lower receiver portion defining an interior receptacle for receiving said head and a post extending from said lower receiver portion away from said head, said post including a locking member mounting portion adjacent said lower receiver portion configured to engage a locking member and a removable extension portion extending proximally from said mounting portion, wherein said post includes a break-off region between said locking member mounting portion and said removable extension portion, said break-off region interrupting an external thread profile that extends around said locking member mounting portion and said removable extension portion, said lower receiver portion defining at least one sidewall opening in communication with an exterior of said coupling member; and a crown positioned in said interior receptacle of said coupling member about said head of said anchor member, said crown including a seating portion extending therefrom, said seating portion extending through said at least one sidewall opening in direct contact with an implant member positioned around said post of said coupling member to secure the implant member between said locking member and said seating portion.