Patent ID: 6565572
Filing Date: 2003-05-20
Classification: A61B,A61F

Abstract:
A method for inserting an anchor into a vertebral body, said method comprising the steps of:providing a first anchor having a proximal end, a distal end, and a cutting member, said cutting member being configured to enable penetration of the distal end into the vertebral body, said first anchor having a longitudinal passage formed at least partially therethrough and at least one hole transversely communicating with said longitudinal passage; inserting the first anchor at least partially into the pedicle region of the vertebral body to form an anchor-receiving hole such that the at least one hole is at least partially disposed within the vertebral body; and checking for a transverse violation of a wall of the vertebral body, comprising: dispensing a material through the passage and the at least one hole of the first anchor and into the vertebral body; and determining whether the material disperses transversely beyond a predetermined portion of the vertebral body.