Dave's PCF WIP: Paragraphs

Paragraphs

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View Edit Delete	PER-32	In certain embodiments, a surgeon may use medical imaging to confirm that the trajectory of the fasteners 1010 into the bone(s) are where the surgeon had planned them and that the surgeon still wants the fasteners 1010 and a subsequent resection to be done. If the surgeon is not comfortable proceeding with the procedure with the given resection guide 1020, in certain embodiments, the surgeon may deploy an alternative resection guide 1020 that is configured to provide a different trajectory for one or more resection cuts into one or more bones.	196	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	In certain embodiments, each bone attachment features 1024 may include one or more holes 1056. More than two holes 1056 for each bone attachment features 1024 can be advantageous because additional holes 1056 can provide a more stable placement of the resection guide 1020. More holes 1056 may be included for particular surgical procedures such as a Charcot procedure where the quality of the bones, its stability and stiffness and integrity may be inferior and limited. Fasteners 1010 in the additional holes 1056 can provide greater stability for the resections which can result in more favorable outcomes.	197	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	Those of skill in the art will appreciate that the position and orientation of the resection features 1022 and the corresponding cut surface a surgeon can form using these resection features can vary depending on the anatomical structures of the patient, the osteotomy procedure being performed, preferences of the surgeon, the nature of the condition, and the like. For example in the illustrated embodiment, an anterior closing wedge procedure is to be performed. Alternatively, or in addition, a resection guide 1020 can be used on an anterior surface or a posterior surface of a bone, such as a tibia, and a medial or lateral closing wedge resected as needed.	198	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	Referring to FIG. 11E, in one embodiment, anatomical data about the patient can be used to define other structures of the resection guide 1020 or other patient specific instruments. For example, anatomical data about the patient that can be captured in the patient imaging data (e.g., due to the fidelity of the technology providing the patient imaging data) can be used to define how deep one or more resection features 1022 are. Controlling the depth of the resection features 1022 can be used to manage how deep a surgeon’s cutting instruments can reach within the resection features 1022. Managing a depth for one or more resection features may be referred to as defining a patient specific height for the resection guide 1020. In one embodiment, the patient imaging data is used to define a desired cutting depth. This depth can be used to report a depth marking that a surgeon should watch for on an edge of the cutting tool that indicates how deep the cutting tool is. The preoperative plan provided according to the present disclosure can indicate this desired cutting depth. During the surgical procedure, a surgeon can watch for this depth as the resection is being performed.	199	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	For example, in one embodiment, patient imaging data can be used to define a distance between at a first top edge of a resection feature and a first surface of a bone. Managing the distance between a first top edge and a bone surface is one way to provide a stop within the resection guide 1020. The stop can serve to limit how deep a surgeon will resect hard tissue/soft tissue when using the resection guide 1020 for a procedure. If a surgeon resects until the resection instruments engages the stop or a top surface of the resection guide 1020, the surgeon can be assured that the resection extends to a desired depth (not too far and not too short).	200	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	FIGS. 12A-12D illustrate views of an example resection guide 1020b of the system 1000 of FIG. 10, according to one embodiment. FIGS. 12A-12D illustrate views of an alternative embodiment for resection guide 1020a. The resection guide 1020b may have many structures, features, and functions, operations, and configuration similar or identical to those of the resection guide 1020a described in relation to FIGS. 11A-11E, like parts are identified with the same reference numerals. Accordingly, the resection guide 1020b may include resection features 1022, bone attachment features 1024, bone engagement surface 1026, and/or landmark registration features 1028.	201	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	The resection guide 1020b includes a first resection feature 1022a and a second resection feature 1022b. The resection guide 1020b includes a body 1032 that supports the resection features 1022a,b, one or more bone attachment features 1024, and/or one or more bone engagement surfaces 1026. The bone attachment features 1024 can be positioned at any location within or outside a perimeter of the body 1032. Because the resection guide 1020b is patient-specific certain anatomic needs or obstacles or surgeon desires can be factored into determining where to position bone attachment features 1024 and how many bone attachment features 1024 to include.	202	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	The body 1032 may include a first resection feature 1022a and a second resection feature 1022b that guides a cutting tool to resect one or more bones, such as forming a medial closing wedge for a distal tibia. The body 1032 may include a pattern 1033 of openings that extend from one surface or side to an opposite surface or side. In the illustrated embodiment, the pattern 1033 is a honeycomb pattern of holes in the shape of hexagons.	203	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	The resection guide 1020 includes an anterior side 1034, a posterior side 1036, a medial side 1038, a lateral side 1040, a superior side 1042, and an inferior side 1044. FIG. 12A is an inferior perspective view. FIG. 12B is a superior perspective view. FIG. 12C is lateral side perspective view. FIG. 12D is a medial side perspective view.	204	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	In one embodiment, the resection guide 1020 may include an alignment guide 1046. The alignment guide 1046 may be a part of, connected to, or extend from the body 1032 or may be a separate component.	205	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	In one embodiment, the resection feature 1022a extends from the medial side 1038 to the lateral side 1040. In certain embodiments, the resection feature 1022a may be positioned near a proximal end 1051 of the resection guide 1020 and may extend from near the anterior side 1034 to near the posterior side 1036 and the resection feature 1022b may be positioned near a distal end 1053 of the resection guide 1020 and may extend from near the anterior side 1034 to near the posterior side 1036.	206	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	Thus, upon desired positioning of the resection guide 1020 (using one or more of the bone engagement surface 1026, alignment guide 1046 and/or the landmark registration features 1028) a surgeon may engage two or more of the bone attachment features 1024 to secure the resection guide 1020 in place on the bone. This positioning places the resection feature 1022a and resection feature 1022b in the desired position for forming a resection wedge in the bone to guide resection of the bone during a surgical osteotomy for correcting a condition.	207	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	As described in the present disclosure, patient imaging data can be used to generate bone models of bones of the patient. The bone models can be used to determine and/or define contours for a bone engagement surface 1026, a position for the resection features 1022, an orientation for the resection features 1022, as well as other features and attributes of one or more patient specific instruments that can be used in a procedure.	208	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	In the illustrated embodiment, the superior side 1042 includes a proximal bone attachment feature 1058 and the inferior side 1044 includes a distal bone attachment feature 1060. In one embodiment, the holes 1056 of the proximal bone attachment feature 1058 are aligned with each other. Alternatively, or in addition, the proximal bone attachment feature 1058 are not aligned with each other.	209	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	FIGS. 13A-13D illustrate views of an example resection guide 1020c of the system 1000 of FIG. 10, according to one embodiment. FIGS. 13A-13D illustrate views of an alternative embodiment for resection guide 1020a. The resection guide 1020c may have many structures, features, and functions, operations, and configuration similar or identical to those of the resection guide 1020a described in relation to FIGS. 11A-11E, like parts are identified with the same reference numerals. Accordingly, the resection guide 1020c may include resection features 1022, bone attachment features 1024, bone engagement surface 1026, and/or landmark registration features 1028.	210	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	The resection guide 1020c includes a first resection feature 1022a and a second resection feature 1022b. The resection guide 1020c includes a body 1032 that supports the resection features 1022a,b, one or more bone attachment features 1024, and/or one or more bone engagement surfaces 1026.	211	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	The body 1032 may include a first resection feature 1022a and a second resection feature 1022b that guides a cutting tool to resect one or more bones, such as forming a medial closing wedge for a distal tibia. The body 1032 may include a pattern 1033 of openings that extend from one surface or side to an opposite surface or side. In the illustrated embodiment, the pattern 1033 is a honeycomb pattern of holes in the shape of hexagons.	212	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	The resection guide 1020 includes an anterior side 1034, a posterior side 1036, a medial side 1038, a lateral side 1040, a superior side 1042, and an inferior side 1044. FIG. 13A is an inferior perspective view. FIG. 13B is a superior perspective view. FIG. 13C is lateral side perspective view. FIG. 13D is a medial side perspective view.	213	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	In one embodiment, the resection guide 1020 may include an alignment guide 1046. The alignment guide 1046 may be a part of, connected to, or extend from the body 1032 or may be a separate component. In one embodiment, the resection feature 1022a extends from the medial side 1038 to the lateral side 1040. In certain embodiments, the resection feature 1022a may be positioned near a proximal end 1051 of the resection guide 1020 and may extend from near the anterior side 1034 to near the posterior side 1036 and the resection feature 1022b may be positioned near a distal end 1053 of the resection guide 1020 and may extend from near the anterior side 1034 to near the posterior side 1036.	214	Added by DJM Jan 2024	1/6/24, 9:49 PM
View Edit Delete	PER-32	In the illustrated embodiment, the superior side 1042 includes a proximal bone attachment feature 1058 and the inferior side 1044 includes a distal bone attachment feature 1060. In one embodiment, the holes 1056 of the proximal bone attachment feature 1058 are aligned with each other. Alternatively, or in addition, the proximal bone attachment feature 1058 are not aligned with each other.	215	Added by DJM Jan 2024	1/6/24, 9:49 PM

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