Dave's PCF WIP: Paragraphs

Paragraphs

Actions	Application	Content	Paragraph Number	Notes	Modified
		Content		Paragraph Number	Notes	Any Field
View Edit Delete	FLO-2	In certain embodiments, activation of the expansion mechanism 160 can include insertion of the expansion mechanism 160 into the opening 150. In such an embodiment, the driver 162 may include a force pressing the expansion mechanism 160 into the opening 150. In the illustrated embodiment, the expansion mechanism 160 is embodied as a screw member 400 and the driver 162 is the drive recess 502. The expansion mechanism 160 may be activated by inserting the distal end 408 of the screw member 400 into the opening 150 and arranging the threads 410 such that they engage the internal threads 154 and then engaging the drive recess 502 and rotating the screw member 400 about its longitudinal axis 414 in a direction that causes the screw member 400 to move further into the opening 150. Engagement of the drive recess 502 and rotating the screw member 400 about its longitudinal axis 414 is referred to herein as activation of the driver 162, for this embodiment. As the screw member 400 moves further into the opening 150, the opening 150 enlarges to accept the screw member 400.	91	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-2	In one embodiment, an amount of expansion provided by the expansion mechanism 160, such as the screw member 400, may be determined, at least in part, by a cross-sectional diameter of the screw member 400. The greater the cross-sectional diameter of the screw member 400, the greater the amount of expansion. Furthermore, the direction(s) of expansion may depend on the embodiment of the expandable intervertebral implant used.	92	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-2	For example, if the expandable intervertebral implant is embodied as the expandable intervertebral implant 200 of Figures 2A,2B having a first lattice 130, a second lattice 140, a solid upper plate 110, a solid lower plate 120, insertion of the screw member 400 into the opening 150 deforms the first lattice 130 and the second lattice 140. The first lattice 130 and the second lattice 140 deform because the cross-sectional diameter of the screw member 400 is greater than a height of the opening 150. Insertion of the screw member 400 and deformation of the first lattice 130 and the second lattice 140 expands the upper plate 110 and the lower plate 120 away from each other along the cephalad-caudal axis 520. This expansion may cause the upper plate 110 to engage a superior vertebral body (not shown) and the lower plate 120 to engage an inferior vertebral body (not shown). Activation of the driver 162 separates the upper plate 110 from the lower plate 120 by deforming the first lattice 130 and the second lattice 140.	93	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-2	If the expandable intervertebral implant is embodied as the expandable intervertebral implant 300 of Figures 3A-3D and 5A, 5B having a first wall 350 with a first mesh 360, a second wall 352 with a second mesh 362, an upper plate 110 that includes an upper mesh 370, and a lower plate 120 having lower mesh 380, insertion of the screw member 400 into the opening 150 deforms the first mesh 360, the second mesh 362, the upper mesh 370, and the lower mesh 380. In such an embodiment, the screw member 400 can have a cross-sectional diameter that is greater than a height and/or a width of the opening 150. The first mesh 360, the second mesh 362, the upper mesh 370, and the lower mesh 380 deform, at least in part, because the cross-sectional diameter of the screw member 400 is greater than the height and/or the width of the opening 150.	94	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-2	Insertion of the screw member 400 and activation of the driver 162 (head 404 and drive recess 502) expands the upper plate 110 and the lower plate 120 away from each other along the cephalad-caudal axis 520 by expanding the first mesh 360 and the second mesh 362 and moves the first wall 350 and the second wall 352 away from each other along a medial-lateral axis 530 by expanding the upper mesh 370 and the lower mesh 380. This expansion may cause the upper plate 110 to engage a superior vertebral body (not shown) and the lower plate 120 to engage an inferior vertebral body (not shown) and the first wall 350 and the second wall 352 to separate to fill more space between the superior vertebral body and the inferior vertebral body.	95	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-2	The upper plate 110 may include a first upper side 112 and a second upper side 114. As used herein, a “side” refers to a location on a structure. In general, a side is a location on a structure at, or near, a furthest position away from a central axis of the structure. In one embodiment, the first upper side 112 is at, or near, a longitudinal edge of the upper plate 110 and the second upper side 114 is at, or near, an opposite longitudinal edge of the upper plate 110.	52	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	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
View Edit Delete	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
View Edit Delete	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
View Edit Delete	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
View Edit Delete	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
View Edit Delete	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
View Edit Delete	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
View Edit Delete	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
View Edit Delete	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
View Edit Delete	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
View Edit Delete	FLO-2	Similarly, an expandable intervertebral implant having fewer parts may be fabricated with smaller dimensions in a collapsed configuration. A smaller expandable intervertebral implant can enable MIS surgery techniques that use a narrower incision and/or narrower cannulas to perform the procedure. A smaller expandable intervertebral implant can facilitate positioning and placement of the implant. In certain circumstances two or more expandable intervertebral implants may be used to provide desired support for vertebral bodies.	47	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-2	FIG. 1A is a perspective view depicting one exemplary embodiment of an expandable intervertebral implant 100. The expandable intervertebral implant 100 may generally include an upper plate 110 configured to engage a superior vertebral body (not shown), a lower plate 120 configured to engage an inferior vertebral body (not shown), a first lattice 130, a second lattice 140, an opening 150, and an expansion mechanism 160. The expandable intervertebral implant 100 can further include a proximal end 170 and a distal end 180.	48	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-2	As used herein, a “plate” refers to a flat structure. In certain embodiments, a plate can be configured to support a load. In certain embodiments, a plate may comprise a generally planar structure. A plate can be a separate structure connected to, or integrated with, another structure. Alternatively, a plate can be connected to part of another structure. A plate can be two-dimensional or three-dimensional and can have a variety of geometric shapes and/or cross-sectional shapes, including, but not limited to a rectangle, a square, or other polygon, as well as a circle, an ellipse, an ovoid, or other circular or semi-circular shape. A plate can be made from a variety of materials including, metal, plastic, ceramic, wood, fiberglass, or the like.	49	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-2	One plate may be distinguished from another based on where the plate is positioned within a structure, component, or apparatus. For example, an “upper plate” can include a plate positioned on, near, or integrated with, a structure such that the plate is at, or near, a top of the structure. Similarly, a “lower plate” can include a plate positioned on, near, or integrated with, a structure such that the plate is at, or near, a bottom of the structure.	50	Added by DJM 2 2021	2/18/21, 12:00 AM

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