Dave's PCF WIP: Paragraphs

Paragraphs

Actions	Matter	Content	Para #	Notes	Modified
View Edit Delete	FLO-5PROV	FIG. 1E illustrates a proximal end view of the expandable intervertebral implant 100 of FIG. 1A and FIG. 1F illustrates a distal end view of the expandable intervertebral implant 100 of FIG. 1A. FIG 1E illustrates an end view of the proximal wedge 114, upper endplate 110, lower endplate 112, and screw member 118. FIG 1F illustrates an end view of the distal wedge 116, upper endplate 110, lower endplate 112, and screw member 118.	45	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 1G is a top view of the expandable intervertebral implant 100 of FIG. 1A and FIG. 1H is a bottom view of the expandable intervertebral implant 100 of FIG. 1A. FIG. 1G illustrates that in certain embodiments, the upper endplate 110 can include one or more windows 138. FIG. 1H illustrates that in certain embodiments, the lower endplate 112 can include one or more windows 140. The windows 138, 140 may serve one or more of a variety of purposes.	46	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	For example, in one embodiment the windows 138, 140 may permit bone growth through the expandable intervertebral implant as part of a recovery process after the expandable intervertebral implant is inserted into a patient. In addition, or alternatively, the windows 138, 140 may facilitate proper placement and configuration of the expandable intervertebral implant 100 by observation using traditional visualization techniques. For example, using one or more of the windows 138, 140 a surgeon may count a number of threads of a screw member 118 to determine a state of the expandable intervertebral implant between a collapsed configuration and an expanded configuration.	47	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	A variety of shapes and/or sizes may be used for the windows 138, 140. In the illustrated embodiment, the windows 138, 140 may both have a rectangular shape. Other shapes for the windows 138, 140 include but are not limited to elliptical, circular, square, and the like.	48	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIGs. 1A-1H illustrate the expandable intervertebral implant 100 of FIG. 1A in a collapsed configuration and FIGs. 2A-2H illustrate the expandable intervertebral implant 100 of FIG. 1A in an expanded configuration. As used herein, a “collapsed configuration” refers to an arrangement of an upper endplate 110, lower endplate 112, proximal wedge 114, distal wedge 116, and screw member 118 such that the assembly has its smallest height. In certain embodiments, the expandable intervertebral implant 100 is configured such that the upper endplate 110 engages the lower endplate 112 such that the upper endplate 110 is as close as possible to the lower endplate 112 in the collapsed configuration.	49	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	As used herein, an “expanded configuration” refers to an arrangement of an upper endplate 110, lower endplate 112, proximal wedge 114, distal wedge 116, and screw member 118 such that the assembly has its greatest height. In certain embodiments, the expandable intervertebral implant 100 is configured such that the upper endplate 110 engages the lower endplate 112 such that the upper endplate 110 is as far away as possible from the lower endplate 112 in the expanded configuration. As described in more detail below, the expandable intervertebral implant 100 is configured to have any configuration between a collapsed configuration and an expanded configuration.	50	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 2A is a perspective view of a proximal end of the expandable intervertebral implant 100 of FIG. 1A in an expanded configuration and FIG. 2B is a perspective view of the distal end of the expandable intervertebral implant 100 of FIG. 1A in an expanded configuration.	51	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 2A illustrates that the upper endplate 110 can have a proximal ramp 210 and a proximal groove 212 and that the lower endplate 112 can have a proximal ramp 214 and a proximal groove 216. The proximal ramps 210, 214 can be incline planes configured to engage the proximal wedge 114. As the expandable intervertebral implant 100 moves from an expanded configuration to a collapsed configuration, the proximal wedge 114 slides along the proximal ramps 210, 214.	52	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	The proximal groove 212 of the upper endplate 110 can be configured to receive an upper tongue 218 of the proximal wedge 114. The proximal groove 212 is sized and configured to receive the upper tongue 218. The upper tongue 218 slides within the proximal groove 212 as the expandable intervertebral implant 100 transitions from a collapsed configuration to an expanded configuration, or vice versa. The proximal groove 216 of the lower endplate 112 can be configured to receive a lower tongue 220 of the proximal wedge 114. The proximal groove 216 of the lower endplate 112 is sized and configured to receive the lower tongue 220. The upper tongue 218 slides within the proximal groove 216 of the upper endplate 110 as the expandable intervertebral implant 100 transitions from a collapsed configuration to an expanded configuration, or vice versa.	53	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 2B illustrates that the lower endplate 112 can have a distal ramp 222 and a distal groove 224 and that the upper endplate 110 can have a distal ramp 226 (See FIG. 2C) and a distal groove 228 (See FIG. 2C). The distal ramps 222, 226 can be incline planes configured to engage the distal wedge 116. As the expandable intervertebral implant 100 moves from an expanded configuration to a collapsed configuration, the distal wedge 116 slides along the distal ramps 222, 226.	54	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	Referring to FIGs. 2B, 2C, and 2D, the distal groove 224 of the lower endplate 112 can be configured to receive a lower tongue 230 of the distal wedge 116. The distal groove 224 is sized and configured to receive the lower tongue 230. The lower tongue 230 slides within the distal groove 224 of the lower endplate 112 as the expandable intervertebral implant 100 transitions from a collapsed configuration to an expanded configuration, or vice versa. The distal groove 228 of the upper endplate 110 can be configured to receive an upper tongue 232 of the distal wedge 116. The distal groove 228 of the upper endplate 110 is sized and configured to receive the upper tongue 232. The upper tongue 232 slides within the distal groove 228 of the upper endplate 110 as the expandable intervertebral implant 100 transitions from a collapsed configuration to an expanded configuration, or vice versa.	55	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 2D illustrates the proximal wedge 114, screw member 118, and distal wedge 116. In the illustrated embodiment, the proximal wedge 114 and distal wedge 116 are illustrated relative to the screw member 118 when the expandable intervertebral implant is in an expanded configuration. The distal wedge 116 can include a barrel 234 that includes threads configured to engage with threads on the screw member 118.	56	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 2E illustrates a side view of the screw member 118 of the expandable intervertebral implant 100 of FIG. 1A. The screw member 118 may generally include a shank 236, a head 238, and threads 240 on one end of the shank 236. The screw member 118 may include a groove 242. In one embodiment, the screw member 118 can be a jackscrew. The groove 242 may be sized and configured to seat a ring 243 or washer (See FIG. 3A). In certain embodiments, the ring 243 sits within the groove 242 when the expandable intervertebral implant 110 is in a collapsed configuration. The ring 243 may comprise a retaining ring. In a collapsed configuration, the ring 243 may keep the screw member 118 positioned within the proximal wedge 114. Alternatively, or in addition, the ring 243 may serve to prevent the screw member 118 from un-screwing from the distal wedge 116 when the screw member 118 is rotated in a particular direction. The ring 243 can be made of a variety of materials including plastic, rubber, ceramic, metal, or the like.	57	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 2E illustrates a side view of the screw member 118 of the expandable intervertebral implant 100 of FIG. 1A;	15	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	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 and related surgical instrumentation, tools, systems, and methods.	2	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 1A is a perspective top view of a proximal end of an expandable intervertebral implant 100, according to an embodiment of the present disclosure;	3	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 1B is a perspective top view of a distal end of the expandable intervertebral implant 100 of FIG. 1A;	4	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 1C illustrates a first side of the expandable intervertebral implant 100 of FIG. 1A;	5	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 1D illustrates a second side of the expandable intervertebral implant 100 of FIG. 1A;	6	Added by DJM 2 2021	2/18/21, 12:00 AM
View Edit Delete	FLO-5PROV	FIG. 1E illustrates a proximal end view of the expandable intervertebral implant 100 of FIG. 1A;	7	Added by DJM 2 2021	2/18/21, 12:00 AM

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