| abstract |
A spinal implant comprising one or more integrated walls spaced apart to define an interior cavity configured to retain bone graft material, and having at least one aperture providing a pathway between the interior cavity and an exterior environment of the implant; wherein at least one of the one or more walls has a lumen therein, the lumen terminating at a post-operatively accessible refill port and at one or more drug delivery ports disposed in a surface of the at least one wall, and configured to allow drugs to flow from the refill port to the one or more delivery ports. |