Dave's PCF WIP: Paragraphs

Paragraphs

Actions	Matter	Content	Para #	Notes	Modified
View Edit Delete	PER-12	Figures 42A-42E illustrate views of a positioning guide 3810b of an osteotomy system, according to one embodiment. In the illustrated embodiment, the positioning guide 3810 includes a body 4202, an anterior alignment feature 4204, a posterior alignment feature 4206, an offset feature 4208, optionally a bone engagement surface 4210, one or more handles 4212.	520	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	The body 4202 includes a lateral side 4214, a medial side 4216, a dorsal side 4218, a plantar side 4220, an anterior side 4222, and a posterior side 4224.	521	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	In the illustrated embodiment, the alignment features of the positioning guide 3810b may extend from a lateral side 4214 to a medial side 4216 at an angle other than perpendicular each of the sides. Advantageously, the angle used for one or more of the alignment features may be predetermined and/or may be patient-specific. Those of skill in the art will appreciate that other aspects of the alignment features may be predetermined and/or patient-specific. For example, the position of the alignment features may be patient-specific.	522	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	In the illustrated embodiment, the positioning guide 3810b may include an offset feature 4208 in which the offset is nonzero. Alternatively, or in addition, the positioning guide 3810a may not include an offset feature 4108. Where a positioning guide 3810b has an offset feature 4208 that is nonzero, the bone engagement surface 4210 may include more than one section, such as a bone engagement surface 4210a and a bone engagement surface 4210b.	523	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Advantageously, whether or not the positioning guide 3810a includes an offset feature 4208 and/or a size (offset distance 4226) for an offset feature 4208 may be a patient-specific aspect. The offset distance 4226 may determine how much translation is provided between two bone fragments. In one embodiment, the offset distance 4226 can range from about 0 millimeters (i.e., no translation) to about 10 millimeters. Advantageously, the magnitude of the offset distance 4226 can be set using a model of one or more bones of the patient and/or a model of the positioning guide 3810b. In this manner, the offset feature 4208 and/or the offset distance 4226 can be a patient-specific feature that can be defined based, at least in part, on a model of a bone of a patient. A surgeon, or other user, can define the offset distance 4226 based on a desired about of translation.	524	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figure 42A is a perspective view of one example embodiment of a positioning guide 3810b that can be used in the osteotomy system 3800.	525	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figure 42B is a front/lateral view of one example embodiment of a positioning guide 3810b that can be used in the osteotomy system 3800.	526	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figure 42C is a rear/medial view of one example embodiment of a positioning guide 3810b that can be used in the osteotomy system 3800. Figure 42C illustrates a bone engagement surface 4210 that may be patient-specific and can be used to register the positioning guide 3810b to a bone of a patient. Advantageously, the bone engagement surface 4210 can be generated based at least in part on a bone model of a bone of a patient.	527	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figure 42D is a posterior/right side view of one example embodiment of a positioning guide 3810b that can be used in the osteotomy system 3800. Figure 42E is an anterior/left side view (e.g., anterior side 4122) of one example embodiment of a positioning guide 3810b that can be used in the osteotomy system 3800.	528	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figure 42F is a dorsal/superior side view of one example embodiment of a positioning guide 3810b that can be used in the osteotomy system 3800. Figure 42G is a plantar/inferior side view of one example embodiment of a positioning guide 3810b that can be used in the osteotomy system 3800.	529	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figure 42H is a perspective view of one example embodiment of a positioning guide 3810.	530	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figures 43A-43B illustrate views of a fixation guide 3890 of an osteotomy system, according to another embodiment. A cooperating positioning guide 3810 is omitted. The fixation guide 3890 includes an arm 3892 and one or more sleeves 3894 that are configured to receive guide pins 3896.	531	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figure 43A illustrates one embodiment of a fixation guide 3890. A first fastener 2010a and a second fastener 2010b are illustrated, with the patient bone omitted for clarity. The arm 3892 and one or more sleeves 3894 and receive guide pins 3896 are illustrated.	532	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figure 43B illustrates one embodiment of a fixation guide 3890. A first fastener 2010a and a second fastener 2010b are illustrated. The patient bone (e.g., patient calcaneus 1806) is illustrated for perspective. The arm 3892 and one or more sleeves 3894 and receive guide pins 3896 are illustrated.	533	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Those of skill in the art will appreciate that the trajectories, the lengths and/or configuration of the arm 3892, the size of the sleeves 3894, are among some of the aspects of the fixation guide 3890 that can be predetermined and/or defined and/or adjusted using a model of a patient’s bone(s) and a model of the instruments to be used. Any of the methods, systems, apparatus, and/or techniques of the present disclosure can be used in any combination to provide a customized system, set of instruments, preoperative plan, and/or surgical technique for treatment of a patient.	534	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figure 44 illustrates an exemplary osteotomy system 4400 for an osteotomy, according to one embodiment. The osteotomy system 4400 may include fasteners 4410, a resection guide 4420, one or more and/or pin guides 4440. Of course, the osteotomy system 4400 may include other complementary components 1930 as well.	535	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	The osteotomy system 4400 can include some, or all, of the same, or substantially the same, features, aspects, and/or components as the other systems included in the present disclosure. Accordingly, the resection guide 4420 can, or may, include one or more resection features 4422 (e.g., resection features 4422a-b), one or more bone attachment features 4424 (e.g., bone attachment features 4424a-c), one or more handles, one or more landmark registration features, one or more bone engagement surfaces 4430, or the like. Similarly, any of the features and/or aspects of the resection guide 4420 (e.g., resection features 4422, bone attachment features 4424, and bone engagement surfaces 4430) may be patient-specific as described herein and may be based at least in part on bone models of one or more bones or portions of bones of a patient. Of course, the features of the resection guide 4420 may be configured to facilitate the particular osteotomy procedure.	536	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	A pin guide 4440 may include an arm 4406 configured to engage at least one of a first resection feature 4422a and a second resection feature 4422b. The arm 4406 may be connected to a bone engagement feature 4408 configured to receive a fastener such as a pin or K-wire. Similarly, any of the features and/or aspects of the pin guide 4440 (e.g., arm 4406, bone engagement feature 4408, etc.) may be patient-specific as described herein and may be based, at least in part, on bone models of one or more bones or portions of bones of a patient.	537	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Figures 45A-45D illustrates different stages of performing a surgical osteotomy procedure using an osteotomy system of Figure 44, according to one embodiment. Typically, a preferred approach for the osteotomy is on the lateral side of the calcaneus 1806. In the illustrated embodiment, the surgical procedure creates a wedge osteotomy. According to one embodiment, a surgeon may access a lateral surface of the calcaneus 1806. Next a surgeon may position a resection guide 4420 on the lateral surface in a position predetermined using a calcaneus model of the patient’s calcaneus 1806. In certain embodiments, the step of positioning can include seating or registration of the resection guide 4420 to a surface of the calcaneus 1806 (a bone). The resection guide 4420 may be configured, for example, as one of the resection guides described herein.	538	Added by DJM Jan 2024	1/6/24, 10:03 PM
View Edit Delete	PER-12	Once positioned, a surgeon may deploy a first fastener 4410a into a first bone attachment feature 4424a, a second fastener 4410b into a second bone attachment feature 4424b, and a third fastener 4410c into a third bone attachment feature 4424c. In one embodiment, the bone attachment features 4424 are configured such that the first fastener 4410a, second fastener 4410b, and third fastener 4410c are parallel relative to each other. Next, a surgeon may direct a cutting tool into one or more resection features 4422. In the illustrated embodiment, the resection guide 4420 may include a first resection feature 4422a and a second resection feature 4422b.	539	Added by DJM Jan 2024	1/6/24, 10:03 PM

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