Patent ID: 8419795

Claim:
A system for delivery of a fluid to a space between two vertebrae, comprising: an interbody cage having an opening providing a pathway between an interior of the cage and the exterior of the cage; and a tool having a proximal end and a distal end, the distal end configured to be coupled to the cage, the tool comprising a passage extending from the proximal end to the distal end and an opening near the distal end providing a pathway between the passage and the exterior of the tool; wherein the tool opening and the cage opening may be sufficiently aligned to permit the delivery of fluid from the tool, through the cage, to the space between two vertebrae, and wherein the tool further comprises a keyed segment and the interbody cage comprises a keyed portion, wherein the keyed segment and keyed portion are configured to connect the tool to the cage such that, when connected to the cage, the tool extends past a proximal end of the cage and into an interior of the cage.