Interbody cage with spill-free biological material compartment

An interbody cage for spinal stabilization comprising

• a) a frame that surrounds a central compartment, the frame comprising a top face and a bottom face, the top face comprising one or more top openings, and the bottom face comprising one or more bottom openings, wherein the frame has ridges on the top face and ridges on the bottom face,
• b) a cover that covers the one or more bottom openings, the cover comprising mesh suitable for retaining biological material and ridges corresponding to the ridges on the bottom face of the frame, wherein the cover is fixed to the frame, and
• c) an openable cover configured to be secured to the top face of the frame in a closed position and capable of being opened, the openable cover covering the one or more top openings when secured to the top face of the frame in the closed position, the openable cover comprising mesh suitable for retaining biological material, wherein the mesh is convex,
• wherein the frame comprises a plurality of grooves extending along inner walls of the central compartment such that the plurality of grooves are configured to slidably engage and support the openable cover,
• wherein the frame comprises a plurality of slots on an end portion of the frame, the plurality of slots configured to engage a plurality of corresponding extensions on an end portion of the openable cover that corresponds to the end portion of the frame having the plurality of slots, the plurality of slots and the plurality of corresponding extensions securing the openable cover to the frame in the closed position, and
• wherein the openable cover comprises ridges corresponding to the ridges on the top face of the frame when in the closed position.