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US 2020/0345503 A1Published application
Interbody cage with spill-free biological material compartment
AssigneeUniversity of Maryland, Baltimore
InventorsCharles SANSUR, Steven C. LUDWIG
Life of this patent
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Abstract
Interbody cages for spinal stabilization having a frame that surrounds a central compartment suitable for retaining biological material, such as bone graft material. The central compartment acts as a spill-free bone and biologic compartment that allows a surgeon to introduce the interbody cage into the body in an effective manner without spilling the biological material. Methods for introducing the interbody cages are disclosed.
Claims19
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,
- b) a cover that covers the one or more bottom openings, the cover comprising one or more apertures suitable for retaining biological material, and
- c) a removable cover configured to be removably secured to the top face of the frame such that the removable cover covers the one or more top openings when secured to the top face of the frame, the removable cover comprising one or more apertures suitable for retaining biological material,
- wherein the top face of the frame is configured to receive the removable cover, and
- wherein the removable cover is convex.
2 more elements
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,
- b) a cover that covers the one or more bottom openings, the cover comprising one or more apertures suitable for retaining biological material, 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 one or more apertures suitable for retaining biological material,
- wherein the openable cover is convex.
1 more element
Dependencies are inferred from the claim text.