Patent Number: 8,869,802

Title: Disc annulus closure

Abstract: Disclosed herein are methods for treating a defect in a spinal disc nuclear space, comprising: (a) creating an opening by open, percutaneous or laparoscopic techniques to access the defect in the nuclear space; (b) removing a desired amount of tissue from the nuclear space; (c) positioning a delivery catheter through the opening; (d) fluidically isolating the nuclear space by blocking the opening with a blocking component of the catheter; (e) delivering an in-situ curable liquid material through a lumen of the catheter to the nuclear space; and (f) maintaining the isolating until the liquid material has cured. Also disclosed are treatment systems and materials for prostheses.

Inventors: Wilson; Jeffrey A. (Wrentham, MA), Milbocker; Michael T. (Holliston, MA), Arcangeli; Robert M. (Westborough, MA)

Assignee: Promethean Surgical Devices, LLC

International Classification: A61B 17/56 (20060101)

Expiration Date: 2018-10-28 0:00:00