# US 11,026,805 B2 · Expandable intervertebral fusion implant > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,026,805 B2 - Document ID: US11026805B2 - Status: Granted - Kind: B2 - Application number: 16/525,801 - Filed: 2019-07-30 - Published: 2021-02-04 - Granted: 2021-06-08 - Earliest claimed: 2019-07-30 - Applicants: Loubert S. Suddaby - Inventors: Loubert S. Suddaby - Web page: https://patentgrep.com/patent/US11026805B2 ## 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 2/4465: {having a circular or kidney shaped cross-section substantially perpendicular to the axis of the spine} - A61F 2/30771: {applied in original prostheses, e.g. holes or grooves} - A61F 2/447: {substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section} - A61F 2002/30471: {connected by a hinged linkage mechanism, e.g. of the single-bar or multi-bar linkage type} - A61F 2002/30484: {Mechanically expandable devices located on the first prosthetic part for locking into or onto the second prosthetic part} - A61F 2002/3052: {unrestrained in only one direction, e.g. moving unidirectionally} - A61F 2002/30538: {for adjusting angular orientation} - A61F 2002/30545: {for adjusting a diameter} - A61F 2002/3055: {for adjusting length} - A61F 2002/30556: {for adjusting thickness} - A61F 2002/30593: {hollow} - A61F 2002/30601: {telescopic} - A61F 2002/30904: {serrated profile, i.e. saw-toothed} - 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 expandable intervertebral fusion implant, including a first vertical member, an inferior component, including first longitudinal member pivotably connected to the first vertical member, and a second longitudinal member pivotably connected to the first vertical member, and a superior component, including a third longitudinal member pivotably connected to the first vertical member, and a fourth longitudinal member pivotably connected to the first vertical member, wherein the superior component is operatively arranged to displace relative to the inferior component. ## Claims ### Claim 1 An expandable intervertebral fusion implant, comprising: a first vertical member operatively arranged to extend; an inferior component, including: first longitudinal member including a first proximal end pivotably connected to the first vertical member and a first distal end; and, a second longitudinal member including a second proximal end pivotably connected to the first vertical member and a second distal end, the second distal end being displaceable with respect to the first distal end; and, a superior component, including: a third longitudinal member including a third proximal end pivotably connected to the first vertical member and a third distal end; and, a fourth longitudinal member including a fourth proximal end pivotably connected to the first vertical member and a fourth distal end, the fourth distal end being displaceable with respect to the third distal end; wherein the superior component is operatively arranged to displace relative to the inferior component. ### Claim 2 (depends on 1) The expandable intervertebral fusion implant as recited in claim 1, wherein: the first longitudinal member comprises a first plurality of teeth; the third longitudinal member comprises a second plurality of teeth; and, the second plurality of teeth are operatively arranged to engage with the first plurality of teeth. ### Claim 3 (depends on 2) The expandable intervertebral fusion implant as recited in claim 2, wherein the first plurality of teeth and the second plurality of teeth prevent displacement of the first longitudinal member in a first circumferential direction relative to the third longitudinal member. ### Claim 4 (depends on 2) The expandable intervertebral fusion implant as recited in claim 2, wherein: the first plurality of teeth are arranged on a first leg extending from the first longitudinal member; and, the second plurality of teeth are arranged on a second leg extending from the third longitudinal member. ### Claim 5 (depends on 2) The expandable intervertebral fusion implant as recited in claim 2, wherein: the second longitudinal member comprises a third plurality of teeth; the fourth longitudinal member comprises a fourth plurality of teeth; and, the fourth plurality of teeth are operatively arranged to engage with the third plurality of teeth. ### Claim 6 (depends on 5) The expandable intervertebral fusion implant as recited in claim 5, wherein the third plurality of teeth and fourth plurality of teeth prevent displacement of the fourth longitudinal member in a first circumferential direction relative to the second longitudinal member. ### Claim 7 (depends on 6) The expandable intervertebral fusion implant as recited in claim 6, wherein: the third plurality of teeth are arranged on a third leg extending from the second longitudinal member; and, the fourth plurality of teeth are arranged on a fourth leg extending from the fourth longitudinal member. ### Claim 8 (depends on 1) The expandable intervertebral fusion implant as recited in claim 1, further comprising: a second vertical member connected to the first vertical member via a first cross-member; a fifth longitudinal member pivotably connected to the second vertical member; and, a sixth longitudinal member pivotably connected to the second vertical member. ### Claim 9 (depends on 8) The expandable intervertebral fusion implant as recited in claim 8, wherein: the fifth longitudinal member comprises a first plurality of teeth; the sixth longitudinal member comprises a second plurality of teeth; and, the second plurality of teeth are operatively arranged to engage with the first plurality of teeth. ### Claim 10 (depends on 8) The expandable intervertebral fusion implant as recited in claim 8, wherein the second vertical member is displaceable relative to the first vertical member. ### Claim 11 (depends on 8) The expandable intervertebral fusion implant as recited in claim 8, wherein the fifth longitudinal member is connected to the first longitudinal member via a second cross-member. ### Claim 12 An expandable intervertebral fusion implant, comprising: a vertical member; an inferior component, including: first longitudinal member including a first proximal end pivotably connected to the vertical member and a first distal end including a first plurality of teeth; and, a second longitudinal member including a second end pivotably connected to the vertical member and a second distal end including a second plurality of teeth, the second distal end being displaceable with respect to the first distal end; and, a superior component, including: a third longitudinal member including a third proximal end pivotably connected to the vertical member and a third distal end including a third plurality of teeth; and, a fourth longitudinal member including a fourth proximal end pivotably connected to the vertical member and a fourth distal end including a fourth plurality of teeth, the fourth distal end being displaceable with respect to the third distal end; wherein the superior component is operatively arranged to displace in a first direction relative to the inferior component. ### Claim 13 (depends on 12) The expandable intervertebral fusion implant as recited in claim 12, wherein: the third plurality of teeth are operatively arranged to engage the first plurality of teeth; and, the fourth plurality of teeth are operatively arranged to engage the second plurality of teeth. ### Claim 14 (depends on 13) The expandable intervertebral fusion implant as recited in claim 13, wherein the engagement of the third plurality of teeth with the first plurality of teeth and the engagement of the fourth plurality of teeth with the second plurality of teeth prevent displacement of the third and second longitudinal members in a first circumferential direction relative to the first and fourth longitudinal members, respectively. ### Claim 15 (depends on 14) The expandable intervertebral fusion implant as recited in claim 14, wherein the engagement of the third plurality of teeth with the first plurality of teeth and the engagement of the fourth plurality of teeth with the second plurality of teeth prevent displacement of the first and fourth longitudinal members in a second circumferential direction, opposite the first circumferential direction, relative to the third and second longitudinal members, respectively. ### Claim 16 (depends on 12) The expandable intervertebral fusion implant as recited in claim 12, wherein: the first plurality of teeth are arranged on a first leg extending substantially perpendicular from the first longitudinal member; and, the third plurality of teeth are arranged on a third leg extending substantially perpendicular from the third longitudinal member. ### Claim 17 (depends on 16) The expandable intervertebral fusion implant as recited in claim 16, wherein: the second plurality of teeth are arranged on a second leg extending substantially perpendicular from the second longitudinal member; and, the fourth plurality of teeth are arranged on a fourth leg extending substantially perpendicular from the fourth longitudinal member. ### Claim 18 (depends on 12) The expandable intervertebral fusion implant as recited in claim 12, wherein the vertical member is operatively arranged to extend in the first direction. ### Claim 19 (depends on 18) The expandable intervertebral fusion implant as recited in claim 18, further comprising a cross-member operatively arranged to expand in a second direction, the second direction being perpendicular to the first direction. ### Claim 20 An expandable intervertebral fusion implant, comprising: a vertical member operatively arranged to extend in a first direction; an inferior component, including: first longitudinal member pivotably connected to the vertical member and including a first plurality of teeth; and, a second longitudinal member pivotably connected to the vertical member and including a second plurality of teeth; a superior component, including: a third longitudinal member pivotably connected to the vertical member and including a third plurality of teeth; and, a fourth longitudinal member pivotably connected to the vertical member and including a fourth plurality of teeth; and, a cross-member operatively arranged to expand in a second direction, the second direction being perpendicular to the first direction; wherein the superior component is operatively arranged to displace in the first direction relative to the inferior component.