Dave's PCF WIP: Paragraphs

Paragraphs

Actions	Matter	Content	Para #	Notes	Modified
View Edit Delete	FLO-4	wherein the bone plate and the rotatable structure cooperate to define a detent mechanism adapted to retain the rotatable structure in the locked orientation, the detent mechanism comprising:	126	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	a niche defined in one of the rim and the rotatable structure; and	127	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	an ear defined in the other of the rim and the rotatable structure, wherein the ear is sized to be received in the niche.	128	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	15. The vertebral implant of claim 14, wherein the detent mechanism is further adapted to retain the rotatable structure in an unlocked orientation.	129	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	16. The vertebral implant of claim 14, wherein the niche is defined in a straight section of the rim and wherein the detent mechanism comprises a second ear extending from the rotatable structure and wherein the second ear is sized to be received in the niche when the rotatable structure is in an unlocked orientation.	130	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	17. The vertebral implant of claim 14, wherein the pair of opposed arms comprise a plurality of radial grooves formed in a bottom surface of the rotatable structure and a corresponding plurality of ridges defined on a head of each screw positioned within each of the pair of screw openings.	131	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	18. The vertebral implant of claim 14, wherein the pair of opposed arms extend in opposite directions from each other such that the pair of opposed arms engage two screws positioned within the pair of screw openings when the rotatable structure is in the locked orientation.	132	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	19. The vertebral implant of claim 14, wherein the bone plate further comprises a rotation limiter adapted to engage the rotatable structure and limit a degree of rotation of the rotatable structure when the rotatable structure is in the locked orientation.	133	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	20. The vertebral implant of claim 14, wherein the bone plate comprises three pairs of screw openings and the vertebral implant comprises three rotatable structures, each rotatable structure positioned in the bone plate and adapted to retain a pair of screws, each screw positioned within a screw opening.	134	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	An implant assembly includes a screw with a head having a head feature and an implant. The implant is securable to a bone of a patient with the screw. The implant includes a bone plate, a rotatable structure having a top surface and a bottom surface. The bottom surface includes a lock feature. The lock feature engages the head feature when the rotatable structure is in a locked orientation and disengages the head feature when the rotatable structure is in an unlocked orientation. The rotatable structure couples to the bone plate such that the rotatable structure is rotatable between the locked orientation and the unlocked orientation. The head feature can be one of a ridge and a radial groove and the lock feature can be the other one of the ridge and the radial groove.	135	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	12. The implant assembly of claim 9, wherein the lock feature comprises a bump and the head feature comprises a depression.	117	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	Bone implants and bone fixation procedures and implants have been used to secure two bones or bone parts or to fix one bone relative to other bones. For example in spinal fixation intervertebral implants can be used to secure, or fixate, two or more vertebrae through minimally invasive or invasive spinal surgery. Conventional implant assemblies can include screws that engage bone and secure the implant to the bone. However, over time the bone screws can become loose, or threads of screws can strip from the bone. This stripping and loosing can cause the screw to back out of a screw hole or rotate and loosen with the screw hole. Consequently, blocks or locks can be used to retain the screw within a screw opening of an implant. Unfortunately, existing blocks or locks do not adequately retain screws within an implant. Accordingly, a need exists for improved implant assemblies.	2	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	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 implants. The apparatus, devices, systems, and/or methods of the present disclosure may provide implant assemblies that remedy shortcomings of prior art implants.	3	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	To achieve the foregoing, and in accordance with the disclosure as embodied and broadly described herein, an implant assembly may be provided. One general aspect of the implant assembly can include a screw that may also include a head which may include a head feature which may include one of a ridge and a radial groove. The implant assembly may also include an implant securable to a bone of a patient with the screw. The implant may include: a bone plate that may have a screw opening sized to receive the screw. The implant may also include a rotatable structure coupled to the bone plate such that the rotatable structure is rotatable between a locked orientation and an unlocked orientation, the rotatable structure may include: a top surface; a bottom surface that may include a lock feature that may include the other of the ridge and the radial groove. The implant assembly may also include where the lock feature is positioned such that: with the rotatable structure in the locked orientation, the lock feature engages the head feature, thereby restricting rotation of the screw within the screw opening; and with the rotatable structure in the unlocked orientation, the lock feature disengages from the head feature, thereby permitting rotation of the screw within the screw opening.	4	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	Implementations may include one or more of the following features. The implant assembly where the lock feature may include a plurality of radial grooves and the head feature may include a plurality of ridges, the plurality of radial grooves adapted to engage the plurality of ridges. The implant assembly may include a rotation limiter adapted to engage the rotatable structure and limit a degree of rotation of the rotatable structure. The rotation limiter may include a first flat surface of the bone plate and a first corresponding surface of the rotatable structure, the first flat surface and first corresponding surface configured to limit rotation of the rotatable structure beyond the locked orientation. The rotation limiter may include a second flat surface of the bone plate and a second corresponding surface of the rotatable structure, the second flat surface and second corresponding surface configured to limit rotation of the rotatable structure beyond an unlocked orientation. The degree of rotation is up to about 50 degrees. The bone plate may include a recess adapted to receive the rotatable structure; the recess may include a first flat surface adapted to engage a first corresponding surface of the rotatable structure to limit rotation of the rotatable structure beyond a locked orientation. The screw opening is configured to enable the screws to pivot within the screw opening within a range of motion ranging between approximately 45 degrees and approximately -45 degrees and where the head feature and lock feature are adapted to engage with each other with the screw pivoting within the range of motion and the rotatable structure in the locked orientation.	5	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	One general aspect includes an implant assembly. The implant assembly also includes a screw adapted to engage bone of a patient; the screw may include a head may include a head feature. The assembly also includes an implant adapted to receive the screw, the implant may include: a bone plate; and a rotatable structure coupled to the bone plate such that the rotatable structure is rotatable between a locked orientation and an unlocked orientation, the rotatable structure may include a bottom surface may include a lock feature adapted to engage the head feature when the rotatable structure is rotated to the locked orientation, thereby preventing rotation and back-out of the screw.	6	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	As used herein, "back-out" refers to a condition, state, position, and/or movement of a fastener from an initial position to a second position in which the fastener is less engaged and/or less connected to a corresponding part. The corresponding part can be a complementary part associated with the fastener or a part of a material that configured to receive the fastener. For example, where the fastener is a screw with external threads. Back-out can refer to the screw rotating in a reverse direction of the direction that tightens the screw with respect to internal threads or a material that receives the screw. In addition, back-out can include lateral or linear movement of a fastener out of a receiver, such as a hole, a nut, or the like. Back-out can be caused by a variety of forces, including but not limited to failure of threads of either the fastener or a hole having internal threads, a break in a shank of a fastener, a torque applied to the fastener in a direction opposite of the torque required to fasten the fastener to another part, or the like.	7	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	Implementations may include one or more of the following features. The implant assembly where the lock feature may include at least one groove and the head feature may include at least one ridge. The head feature may include a plurality of ridges, each ridge may include a long ramp and a short ramp, the long ramp adapted to facilitate sliding of the lock feature past one or more of the plurality of ridges as the rotatable structure rotates to the locked orientation. The lock feature may include a bump and the head feature may include a depression. The rotatable structure may include a bright color that facilitates connecting a driver to a drive feature of the rotatable structure, the drive feature adapted to receive torque from the driver to rotate the rotatable structure between the unlocked orientation and the locked orientation.	8	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	One general aspect includes a bone plate that may include: a recess bounded by a rim; and a pair of screw openings; a rotatable structure coupled to the bone plate such that the rotatable structure is rotatable, within the recess, between a locked orientation and an unlocked orientation, the rotatable structure may include: a pair of opposed arms, each of which is adapted to retain a screw positioned within one of the pair of screw openings when the rotatable structure is in the locked orientation, thereby restricting back-out of the screw; and a drive feature adapted to receive torque from a driver to rotate the rotatable structure between the locked orientation and the unlocked orientation. The implant also includes where the bone plate and the rotatable structure cooperate to define a detent mechanism adapted to retain the rotatable structure in the locked orientation, the detent mechanism may include: a niche defined in one of the rim and the rotatable structure; and an ear defined in the other of the rim and the rotatable structure, where the ear is sized to be received in the niche.	9	Added by DJM 5 2021	5/1/21, 12:00 AM
View Edit Delete	FLO-4	Implementations may include one or more of the following features. The vertebral implant where the detent mechanism is further adapted to retain the rotatable structure in an unlocked orientation. The niche is defined in a straight section of the rim and where the detent mechanism may include a second ear extending from the rotatable structure and where the second ear is sized to be received in the niche when the rotatable structure is in an unlocked orientation. The pair of opposed arms may include a plurality of radial grooves formed in a bottom surface of the rotatable structure and a corresponding plurality of ridges defined on a head of each screw positioned within each of the pair of screw openings. The pair of opposed arms extend in opposite directions from each other such that the pair of opposed arms engage two screws positioned within the pair of screw openings when the rotatable structure is in the locked orientation. The bone plate further may include a rotation limiter adapted to engage the rotatable structure and limit a degree of rotation of the rotatable structure when the rotatable structure is in the locked orientation. The bone plate may include three pairs of screw openings and the vertebral implant may include three rotatable structures, each rotatable structure positioned in the bone plate and adapted to retain a pair of screws, each screw positioned within a screw opening.	10	Added by DJM 5 2021	5/1/21, 12:00 AM

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