Spinal interbody spacer device
AssigneeThe Center for Orthopedic Research and Education, Inc.
InventorsMarc C. Jacofsky, A. Joshua Appel
Life of this patent
Estimating the term…
Abstract
There is described an instrument set for use in spinal surgery that includes as elements a spinal body spacer, a placement tool, and an extraction tool. The spinal body spacer has a threaded opening and keyways connected to the threaded opening. The spacer may have an outer face positioned around the opening and the placement tool may have a contact face that comes into contact with the outer face when the placement tool is fully connected with the spacer. The extraction tool has a tip configured to pass through the opening of the spacer.
Claims15
An instrument set for use in spinal surgery, the set comprising:
- a spinal body spacer having an outer face, a threaded aperture extending between the outer face and an interior space of the spacer, and keyways connected to the threaded aperture and extending between the outer face and the interior space;
- a placement tool having a threaded tip for connecting with the threaded aperture of the spacer;
- and
- an extraction tool with a tip configured to pass through the threaded aperture of the spacer, and the tool having tabs positioned on the tip such that the tabs pass through the keyways of the spacer and extend into the interior space when the extraction tool is fully engaged with the spacer.
The instrument set according to claim l wherein the extraction tool tip is substantially pointed.
An assembly for use in medical procedures comprising:
- a spinal body spacer having:
- a first wall and a second wall connected by a first face, a second face, and a lateral support,
- an interior space,
- a threaded aperture extending between the first face and the interior space, and
- keyways connected to the threaded aperture and extending between the first face and the interior space;
- and
- a placement tool having a threaded end wherein the threaded end is connected to the threaded aperture of the spinal body spacer.
An assembly for use in medical procedures comprising:
- a spinal body spacer having:
- a first wall and a second wall connected by a first face, a second face, and a lateral support,
- an interior space,
- an aperture extending between the first face and the interior space, and
- keyways connected to the aperture and extending between the first face and the interior space;
- and
- an extraction tool having a tip configured so as to pass through the aperture, the tip of the extraction tool further having tabs configured to pass through the keyways of the spacer and extend into the interior space when the extraction tool is fully engaged with the spacer.
Dependencies are inferred from the claim text.