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FLO-2 The opening may have an ovoid cross-section that may have a height that is different from a width of the ovoid cross-section. 9 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 The upper plate may have an upper lattice and the lower plate may have a lower lattice. The expansion mechanism can be configured such that activation of the expansion mechanism by the driver expands the upper plate and the lower plate away from each other along the cephalad-caudal axis. In addition, or alternatively, activation of the expansion mechanism may also move the first lattice and the second lattice away from each other along a medial-lateral axis by deforming the first lattice, the second lattice, the upper lattice, and the lower lattice. 8 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 In one aspect, the expansion mechanism may include a set of screw members and each can have a shank that includes threads that engage the internal threads within the opening. Each screw member of the set of screw members can have a different cross-sectional diameter. 7 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 The driver of the expansion mechanism may include a head of the screw member connected to a proximal end of the shank. The screw member may include a tapered end connected to a distal end of the shank and the screw member may have a cross-sectional diameter greater than a height of the opening. The cross-sectional diameter of the screw member can be greater than a width of the opening. 6 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 In one aspect, the opening may have internal threads about the longitudinal axis. In addition, the expansion mechanism can include a screw member that may include a shank having threads that engage the internal threads within the opening. In addition, the screw member can have a diameter selected such that rotation of the screw member about the longitudinal axis by activation of the driver separates the upper plate from the lower plate by deforming the first lattice and the second lattice. 5 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 To achieve the foregoing, and in accordance with the disclosure as embodied and broadly described herein, an expandable intervertebral implant may be provided. One general aspect of the expandable intervertebral implant can include an upper plate that may include a first upper side and a second upper side, a lower plate that may include a first lower side and a second lower side, a first lattice that connects the first upper side of the upper plate to the first lower side of the lower plate, a second lattice that connects the second upper side of the upper plate to the second lower side of the lower plate, and an opening having a longitudinal axis between the upper plate, lower plate, first lattice, and second lattice. The expandable intervertebral implant may also include an expansion mechanism that may include a driver that expands the upper plate and the lower plate away from each other along a cephalad-caudal axis by deforming the first lattice and the second lattice. 4 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 The various apparatus, devices, systems, and/or methods of the present disclosure have been developed in response to the present state of the art, and in particular, in response to the problems and needs in the art that have not yet been fully solved by currently available expandable intervertebral implants. The apparatus, devices, systems, and/or methods of the present disclosure may provide interspinous-interlaminar stabilization systems and methods that remedy shortcomings of prior art expandable intervertebral implants. 3 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 Spinal fixation procedures utilizing expandable intervertebral implants can be used to correct spinal conditions such as degenerative disc disease, spondylolisthesis, spinal deformities, or other spinal conditions through minimally invasive or invasive spinal surgery. For example, intervertebral discs can degenerate or otherwise become damaged over time. In some instances, an expandable intervertebral implant can be positioned within a space previously occupied by a disc between adjacent vertebral bodies. Such expandable intervertebral implants can help maintain a desired spacing between adjacent vertebrae and/or promote fusion between adjacent vertebrae. The use of bone graft and/or other materials within an area that includes an expandable intervertebral implant can also facilitate the fusion of adjacent vertebral bodies. Accordingly, a need exists for improved expandable intervertebral implants. 2 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 Figure 3B is a perspective top view of a distal end of the expandable intervertebral implant 300 of Figure 3A; 24 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 For example, in one embodiment, the expandable intervertebral implant may have two parts, a structure for the expandable intervertebral implant and an expansion mechanism, such as a screw member. An expandable intervertebral implant that includes just a structure that forms the expandable intervertebral implant, and the expansion mechanism can be simpler than other implants and can be easier to operate and install during a surgical procedure. In addition, certain embodiments of the expandable intervertebral implant may include an expansion mechanism that includes a plurality of screw members, each having a different diameter. In such an embodiment, a surgeon can choose which diameter screw member to use to achieve a target expanded configuration. Of course, one skilled in the art may recognize other situations and advantages of an expandable intervertebral implant having a minimal number of parts; this disclosure contemplates all such situations and advantages. 46 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 For example, using a smaller expandable intervertebral implant having fewer parts can result in a more reliable and effective expandable intervertebral implant. Expandable intervertebral implant with fewer parts can be less expensive to fabricate and can be less prone to failure. These and other unique features of the expandable intervertebral implant are discussed below and illustrated in the accompanying drawings. 45 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 For example, using a smaller expandable intervertebral implant for minimally invasive spine (MIS) surgery techniques can reduce the size of the incisions, soft tissue damage, blood loss, less intrusive implants, post-operative pain, recovery time, risk of surgical complications, and the like. Furthermore, the shape, or profile, of an expandable intervertebral implant can facilitate insertion of the implant during the surgery and provide more stable and secure engagement between the implant and vertebral bodies on either side of a space where the implant is positioned. 44 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 The present disclosure discloses an expandable intervertebral implant. Medical procedures for using expandable intervertebral implants favor an expandable intervertebral implant that is small and compact. For example, minimally invasive or invasive surgery on the spine, such as spinal fusion, may be use a variety of approaches to access the spine, examples include Anterior Lumbar Interbody Fusion (ALIF), Posterior Lumbar Interbody Fusion (PLIF), or Lateral Interbody Fusion (LIF). For each of these spinal procedures, a smaller implant that can be expanded, as needed, to a desired height and/or width, is preferred because the smaller expandable intervertebral implants can cause less disruption of soft tissue and smaller access openings can be used for the procedures. 43 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 Standard medical directions, planes of reference, and descriptive terminology are employed in this specification. For example, anterior means toward the front of the body. Posterior means toward the back of the body. Superior means toward the head. Inferior means toward the feet. Medial means toward the midline of the body. Lateral means away from the midline of the body. Axial means toward a central axis of the body. Abaxial means away from a central axis of the body. Ipsilateral means on the same side of the body. Contralateral means on the opposite side of the body. A sagittal plane divides a body into right and left portions. A midsagittal plane divides the body into bilaterally symmetric right and left halves. A coronal plane divides a body into anterior and posterior portions. A transverse plane divides a body into superior and inferior portions. These descriptive terms may be applied to an animate or inanimate body. 40 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 Figures 7A-7C illustrates different patterns that can be used in various embodiments of the present disclosure. 38 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 Figures 6A-6F illustrates different patterns that can be used in various embodiments of the present disclosure; and 37 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 Figure 5H illustrates a distal end view of the expandable intervertebral implant 300 of Figure 5A in an expanded configuration with a screw member; 36 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 Figure 5G illustrates a proximal end view of the expandable intervertebral implant 300 of Figure 5A in an expanded configuration with a screw member; 35 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 Figure 5F illustrates a distal end view of the expandable intervertebral implant 300 of Figure 5A in a collapsed configuration and a screw member; 34 Added by DJM 2 2021 2/18/21, 12:00 AM
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FLO-2 Figure 5E illustrates a proximal end view of the expandable intervertebral implant 300 of Figure 5A in a collapsed configuration and a screw member; 33 Added by DJM 2 2021 2/18/21, 12:00 AM

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