# US 11,026,801 B2 · Modular plate and cage elements and related methods > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,026,801 B2 - Document ID: US11026801B2 - Status: Granted - Kind: B2 - Application number: 16/291,278 - Filed: 2019-03-04 - Published: 2019-06-27 - Granted: 2021-06-08 - Earliest claimed: 2015-12-21 - Assignees: CTL Medical Corporation - Applicants: CTL Medical Corporation - Inventors: Jon Suh; Sean Suh - Web page: https://patentgrep.com/patent/US11026801B2 ## CPC - A61F 2/4455: {for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages (intervertebral discs A61F2/442)} - A61F 2/447: {substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section} - A61F 2002/30014: {differing in elasticity, stiffness or compressibility} - A61F 2002/3008: {radio-opaque, e.g. radio-opaque markers} - A61F 2002/30092: {using shape memory or superelastic materials, e.g. nitinol} - A61F 2002/30383: {made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove} - A61F 2002/30448: {using adhesives} - A61F 2002/30471: {connected by a hinged linkage mechanism, e.g. of the single-bar or multi-bar linkage type} - A61F 2002/30538: {for adjusting angular orientation} - A61F 2002/30578: {having apertures, e.g. for receiving fixation screws} - A61F 2002/30593: {hollow} - A61F 2002/30604: {modular} - A61F 2002/30616: {Sets comprising a plurality of prosthetic parts of different sizes or orientations} - A61F 2002/30785: {parallel} - A61F 2002/30787: {inclined obliquely with respect to each other} - A61F 2002/30841: {Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes} - A61F 2002/30881: {Circumferential ribs, flanges or fins} - A61F 2002/30904: {serrated profile, i.e. saw-toothed} - A61F 2002/3093: {for promoting ingrowth of bone tissue} - A61F 2220/0016: with sharp anchoring protrusions, e.g. barbs, pins, spikes - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) ## Abstract An interbody system for implanting between vertebrae, the interbody system comprises a cage having a cage body that includes a graft chamber having a volume that receives graft material, a sagittal wall that forms a portion of the graft chamber, and a wall membrane that forms another portion of the graft chamber. The interbody system may comprise an interbody device that includes an aperture that receives a bone fastener, wherein the wall membrane interacts with the bone fastener. The wall membrane may bend as result of a force applied by the bone fastener to a portion of the wall membrane, thereby providing directional support to the bone fastener and/or forcing graft material from the graft chamber. ## Claims ### Claim 1 An interbody system for implanting between vertebrae, comprising a cage body that includes a pair of sagittal walls, an aft-wall and a wall membrane that is made of a shape memory form material, and an interbody device that attaches to the cage body, wherein the interbody device comprises an aperture that receives a bone fastener, and wherein the wall membrane bends under a force applied by the bone fastener. ### Claim 2 An interbody system for implanting between vertebrae, comprising: a cage having a cage body that includes a graft chamber having a volume that receives graft material, a sagittal wall that forms a portion of the graft chamber, and a wall membrane that forms another portion of the graft chamber, wherein the wall membrane interacts with a bone fastener. ### Claim 3 (depends on 2) The interbody system of claim 2, wherein the wall membrane interacts with the bone fastener to bend as result of a force applied by the bone fastener to a portion of the wall membrane, thereby providing directional support to the bone fastener. ### Claim 4 (depends on 2) The interbody system of claim 2, wherein the wall membrane interacts with the bone fastener to bend as result of a force applied by the bone fastener to reduce the volume of the graft chamber, thereby forcing graft material from the graft chamber. ### Claim 5 (depends on 2) The interbody system of claim 2, the system further comprising: an interbody device that includes an aperture that receives the bone fastener, wherein the wall membrane comprises a slit. ### Claim 6 (depends on 5) The interbody system of claim 5, wherein the slit facilitates bending of a portion of the wall membrane as a result of a force applied to said portion of the wall membrane. ### Claim 7 An interbody system for implanting between vertebrae, comprising: a cage having a cage body that includes a graft chamber having a volume that receives graft material, a first sagittal wall having an inner wall surface that forms a first sagittal portion of the graft chamber, a second sagittal wall having an inner wall surface that forms a second sagittal portion of the graft chamber, an aft-wall having an inner wall surface that forms a posterior coronal portion of the graft chamber, and a wall membrane that forms an anterior coronal portion of the graft chamber; and an interbody device that includes an aperture that receives a bone fastener, wherein the wall membrane is directly adjacent to the bone fastener. ### Claim 8 (depends on 7) The interbody system of claim 7, wherein the wall membrane contacts the bone fastener to provide directional support to the bone fastener. ### Claim 9 (depends on 7) The interbody system of claim 7, wherein the wall membrane contacts the bone fastener and bends as result of a force applied by the bone fastener to thereby reduce the volume of the graft chamber. ### Claim 10 (depends on 7) The interbody system of claim 7, wherein the wall membrane comprises a slit. ### Claim 11 (depends on 10) The interbody system of claim 10, wherein the slit facilitates bending of a portion of the wall membrane as a result of a force applied to said portion of the wall membrane. ### Claim 12 (depends on 10) The interbody system of claim 10, wherein the slit receives and guides the bone fastener. ### Claim 13 (depends on 7) The interbody system of claim 7, wherein the wall membrane comprises: a thin sheet that is integrated with or attached to the cage body; a thin mesh that is integrated with or attached to the cage body; a thin screen that is integrated with or attached to the cage body; or a beams screen that is integrated with or attached to the cage body. ### Claim 14 (depends on 7) The interbody system of claim 7, wherein the sagittal wall comprises a recessed wall portion located proximate to the wall membrane. ### Claim 15 (depends on 7) The interbody system of claim 7, wherein the graft chamber comprises: a first chamber width portion that holds graft material; and a second chamber width portion that holds graft material, wherein the width of the first chamber width portion is greater than the width of the second chamber width portion. ### Claim 16 (depends on 7) The interbody system of claim 7, wherein the sagittal wall comprises a grip interface that contacts and engages a grip interface provided on the interbody device to secure the cage to the interbody device. ### Claim 17 (depends on 7) The interbody system of claim 7, wherein the interbody device comprises two or more apertures that receive two or more respective bone screws. ### Claim 18 (depends on 7) The interbody system of claim 7, wherein the cage body comprises a plate guide that engages a cage guide provided on the interbody device to facilitate proper positioning and alignment of the cage with respect to the interbody device. ### Claim 19 (depends on 7) The interbody system of claim 7, wherein the cage body comprises a plate engager that aligns with a cage engager provided on the interbody device to secure the cage body to the interbody device.