Dave's PCF WIP: Paragraphs

Paragraphs

Actions	Matter	Content	Para #	Notes	Modified
View Edit Delete	PER-8 PROV	The cutting guide model may further include a first end having the first bone engagement surface,a second end having the second bone engagement surface, a first bone attachment feature positioned to secure the first end to the cuneiform, and a second bone attachment feature positioned to secure the second end to the metatarsus.	8	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	The method may further include using the cutting guide model to fabricate a cutting guide having the first bone engagement surface, the second bone engagement surface, the first bone attachment feature, the second bone attachment feature, the first guide feature, and the second guide feature.	9	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	The method may further include placing the cutting guide such that the first bone engagement surface overlies the first contour, and the second bone engagement surface overlies the second contour, securing the first bone attachment feature to the cuneiform, securing the second bone attachment feature to the metatarsus, using the first guide feature to guide motion of a cutter to resect the cuneiform, and using the second guide feature to guide motion of a cutter to resect the metatarsus.	10	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	Obtaining the first bone model may include obtaining CT scan data of the first bone. Using the first bone model to generate the cutting guide model may include converting the CT scan data to a CAD models, using the CAD model to obtain the first contour, and using the first contour to generate the first bone engagement surface of the cutting guide model.	12	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	The method may further include reorienting the metatarsus relative to the cuneiform and, after reorienting the metatarsus relative to the cuneiform, promoting fusion between the cuneiform and the metatarsus.	11	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	The first bone may be the cuneiform. The surgical osteotomy may be the bunion correction osteotomy. The condition may be a bunion. The first guide feature may be positioned to guide resection of the cuneiform. The cutting guide may further have a second bone engagement surface shaped to match a second contour of the metatarsus, and a second guide feature that, with the second bone engagement surface overlying the second contour, is positioned to guide resection of the metatarsus.	19	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	According to one embodiment, a system may be provided for correcting a condition present in one or more bones of a patient’s foot. The system may have a cutting guide with a first bone engagement surface shaped to match a first contour on a first bone of the one or more bones, and a first guide feature that, with the first bone engagement surface overlying the first contour, is positioned to guide resection of the one or more bones as part of a surgical osteotomy for correcting the condition. The surgical osteotomy may be selected from a first group consisting of a bunion correction osteotomy, an Evans calcaneal osteotomy, and a medializing calcaneal osteotomy. The first bone may be selected from a second group consisting of a metatarsus, a cuneiform, and a calcaneus.	18	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	The method may further include using the cutting guide model to fabricate a cutting guide having the first bone engagement surface and first guide feature, using the implant model to fabricate an implant having the first bone-facing surface and the second bone-facing surface, placing the cutting guide such that the first bone engagement surface overlies the first contour, using at least the first guide feature to guide motion of a cutter to resect the one or more bones to define the first resected surface and the second resected surface, and placing the implant between the first resected surface and the second resected surface such that the first shape is aligned with the first profile and the second shape is aligned with the second profile.	17	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	The implant model may further have a second bone-facing surface with a second shape that matches a second profile of a second resected surface of the first bone or a second bone of the one or more bones after resection of the first bone or a second bone with the cutting guide.	16	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	The method may further include using at least the first bone model to generate an implant model defining a first bone-facing surface with a first shape that matches a first profile of a first resected surface of the first bone after resection of the first bone with a cutting guide fabricated using the cutting guide model.	15	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	The surgical osteotomy may be the medializing calcaneal osteotomy. The first bone may be the calcaneus. The cutting guide model may further include a second bone engagement surface shaped to match a second contour of the calcaneus such that, with the first bone engagement surface overlying the first contour and the second bone engagement surface overlying the second contour, the first guide feature is positioned to guide a cutter to resect the calcaneus to perform the medializing calcaneal osteotomy.	14	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	The surgical osteotomy may be the Evans calcaneal osteotomy. The first bone may be the calcaneus. The cutting guide model may further have a second bone engagement surface shaped to match a second contour of the calcaneus such that, with the first bone engagement surface overlying the first contour and the second bone engagement surface overlying the second contour, the first guide feature is positioned to guide a cutter to resect the calcaneus to perform the Evans calcaneal osteotomy.	13	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	wherein one or more of the first alignment feature and the second alignment feature are positioned in the cutting guide based on a correction model defined for a particular patient;	159	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	Figure 21 illustrates an exemplary selection module configured to select a template cutting guide model, according to one embodiment.	25	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	Figures 20A and 20B illustrates one example of a method for determining a deformity and a correction for the deformity, according to one embodiment.	24	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	Figure 19 illustrates an exemplary apparatus configured to determine a deformity, according to one embodiment.	23	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	Figure 18 illustrates an exemplary system configured to generate one or more patient specific instruments configured to correct a bone condition, according to one embodiment.	22	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	Figure 17 is a flowchart diagram depicting a method for generating one or more patient specific instruments configured to correct a bone condition, according to one embodiment.	21	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	Various bone conditions may be corrected using an osteotomy, in which one or more bones are cut, replaced, and/or reoriented. Cutting guides are often used to help the surgeon properly locate, position, and make the cut. Unfortunately, many known cutting guides are not patient-specific, and can be difficult to properly position to perform the osteotomy on a specific patient. Even if properly positioned, many known cutting guides are difficult to secure at the desired position, without moving away from the desired position prior to performing the osteotomy. As a result, many known osteotomy procedures carry risk of an improper cut that fails to correct the underlying condition, or even endangers surrounding tissues.	2	Added by DJM 7 2021	7/2/21, 12:00 AM
View Edit Delete	PER-8 PROV	wherein the detachable connector is configured to be activated to disconnect one of the first alignment feature and the second alignment feature from the cutting guide to enable removal of the parts of the cutting guide and leave one or more bone attachment features connected to one or more bones such that the one or more bone attachment features can be aligned to at least partially correct for the condition.	161	Added by DJM 7 2021	7/2/21, 12:00 AM

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