Dave's Patent Content Factory
New Paragraph

Paragraphs

Clear
Actions Matter Content Para # Notes Modified
View Edit
Delete 		PER-24 In one embodiment, the tibial resection guide 822 may include an alignment guide 874. The alignment guide 874 includes a superior end and one or more openings 876 (See FIG 9B) near the superior end. An alignment guide 874 may be coupled to, connected to, and/or extend from a tibial resection guide 822. Alternatively, or in addition, An alignment guide 874 may be coupled to, connected to, and/or extend from a talus resection guide 824. The alignment guide 874 assists a surgeon in confirming that a resection guide 820 is in a desired position relative to other anatomical structures and/or axes of a patient. In one embodiment, the alignment guide 874 indicates an orientation of a resection guides 820 relative to a mechanical axis 880 of a tibia 226 of the patient. 297 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 A surgeon may use the alignment guide 874 by inserting a shaft 878, such as a K-wire, into, or through, an opening 876. The openings 876 and alignment guide 874 may be configured such that a K-wire 878 within the opening 876 extends superiorly along a superior-inferior axis and indicates the orientation and alignment of the tibial resection guide 822 relative to a long axis or a mechanical axis 880 of the tibia 226. A surgeon may compare this alignment with a desired alignment and/or position and/or the orientation and/or alignment of other bones of the patient. In this manner, a surgeon can confirm that tibial resection guide 822 is properly positioned. 298 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 In certain embodiments, the alignment guide 874 may have an opening on both ends such that the shaft 878 can extend in a dorsal/cephalad direction and in a plantar/caudal away from the alignment guide 874, the lower extension of the shaft 878 can further assist a surgeon in checking alignment. Alternatively, or in addition, the alignment guide 874 can include one or more second openings that extend perpendicular to the opening(s) 876. These second openings are horizontal to the shaft 878 and may be configured to accept a second shaft that is perpendicular to the shaft 878. This second shaft may extend medially and laterally and may cross over the shaft 878. In one embodiment, the alignment guide 874 includes an opening that extends from an anterior surface to a posterior surface and is centered on where the shaft 878 crosses over the second shaft. In this manner, the alignment guide 874 may form a kind of sight, much like a gunsight. In one embodiment, a surgeon may use this site and medical imaging such as with a C-arm (e.g., fluoroscopy) to check or confirm a position of a resection guides 820 intraoperatively. 299 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 FIG. 12C illustrates an alternative view of the surgical procedure similar to the stage in FIG. 12A. However, the tibia 226 and fibula 228 are transparent. FIG. 12C illustrates how a surgeon may use the shaft 878, alignment guide 874, and/or one or more of the resection guard 870 to check and/or confirm the position, placement, alignment, and/or trajectory that cuts using the resection guides 820 will have in the bones of the patient. In the illustrated embodiment, the mechanical axis 880 may be perpendicular to an anterior-posterior axis 888. In certain embodiments, the surgeon may choose to position and/or orient the resection guard 870 so that they can serve as alignment and/or positioning guides during the surgical procedure. 300 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 In certain cases, a surgeon may position the tibial resection guide 822 on the tibia 226 and secure it using the bone attachment feature(s) 828. Next, the surgeon may insert the shaft 878 into the alignment guide 874 and may use flouroscopy from an anterior view and/or a lateral view to confirm the shaft 878 is parallel in the frontal plane 264 and transverse plane 266. Alternatively, or in addition, the surgeon may deploy or stage (just insert one end into holes in the resection guides 820 so that the pins are held but do not enter the bone) and then use flouroscopy from a lateral view to check that the resection guard 870 are parallel with the anterior-posterior axis 888 in the sagittal plane 262. Since the tibial resection guide 822 was positioned and/or designed using a model of at least a portion of the foot and ankle of the patient, the surgeon can be assured that the tibial resection guide 822 is in the position desired. Of course, a similar process for checking and/or confirming can be done with the talus resection guide 824 as desired. 301 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 FIG. 12D illustrates resection guides, according to another embodiment. In the illustrated embodiment, the resection guides 820 can include, again either by default and/or due to user instructions 604, one or more fastener guides 890. The fastener guides 890 are structures that serve to assist, facilitate, mark, and/or indicate where to position and/or place fasteners that are used independently and/or as part of a fixation system. In certain embodiments, the fastener guides 890 may be implemented as spikes or tines on a bone facing surface of the resection guides 820 that provide an opening in the bone that can be used when the resection guides 820 is pounded against the bone using a mallet. 302 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 Advantageously, a surgeon can indicate in the user instructions 604 which fasteners and/or fixation systems, the surgeon plans to use. Accordingly, the tibial resection guide 822 and/or talus resection guide 824 can be designed and/or fabricated to support those fastener guides 890. 303 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 In the illustrated embodiment, the example resection guides 820 include fastener guides 890 that can be implemented as holes in the bodies of the tibial resection guide 822 and/or talus resection guide 824. These fastener guides 890 may be laid out on the resection guides 820 in a pattern that matches the one or more holes for a fastener such as one or more bone plates, one or more bone staple, one or more bone screws, or the like that a surgeon may desired to use for provisional or permanent fixation. In one embodiment, the fastener guides 890 mark where pilot holes or hole marks can be made in the bone. Alternatively, or in addition, a surgeon may deploy pins that can be used in a fixation system. In still other embodiments, a fastener guides 890 may serve to enable deployment of fixation fastener, such as a cannulated headless bone screw. Those of skill in the art will appreciate that the fastener guides 890 can take a variety of forms and configurations and leverage the positioning and placement of the resection guides 820. 304 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 Of course, the bone attachment features 828 and/or the resection guard 870 can also be strategically positioned to serve as pilot holes and/or guides for fasteners and/or components of a fixation system used when fixation is needed. 305 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 FIGS. 12A-12D illustrate one example of one type of osteotomy the osteotomy system 800 can be used to create during the surgical procedure. In the illustrated embodiment, a first osteotomy formed by the tibial resection guide 822 is a straight cut and a second osteotomy formed by the talus resection guide 824 is a straight cut with a straight medial connected cut. Advantageously, the surgeon, by way for example of the user instructions 604 can defined what shape, size, type, and/or trajectory of osteotomy they want the resection guide 820 to assist them in creating. Said another way, the surgeon can define the shape, size, length, and/or configuration of the resection interface 884. 306 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 FIGs. 13A-13F illustrate alternative embodiments of a resection interface between two osteotomies using an exemplary osteotomy system, according to one embodiment. As described herein, the resection interface 884 307 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 Those of skill in the art will appreciate that the FIGS. 13A-13F illustrate examples and that other shapes and/or configurations can be provided within the scope of the present disclosure. 308 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 FIG. 13A illustrates the resection interface 884 of the example in FIGS. 12A-12D. As has been described, the resection interface 884 consists of a resected distal end 892 of the tibia 226 and a resected proximal end 894 of the talus 222. In certain embodiments, there are no other structures and/or implants between the resected distal end 892 and the resected proximal end 894. This is particularly the case where the surgical procedure is an ankle fusion. 309 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 The resection interface 884 shown in FIG. 13A, illustrates a view showing an anterior side of the bones and the resection interface 884 and the medial side is on the left and the lateral side is on the right. An anterior-posterior axis extends perpendicularly into and out of the view in FIG. 13A and the view illustrates a cross-section of the resection interface 884. FIG. 13A illustrates the cross-section of the resection interface 884 is a polygonal cross-section. In the illustrated embodiment, the polygonal cross-section includes two resected sides of the talus 222 and at least one side of the tibia 226. In FIG. 13A, the resected proximal end 894 of the talus 222 has an angled medial cut that connects to a straight cut. The angled medial cut may be implemented to enable the talus 222 to fit under the tibia 226 without interference from the medial malleolus when the osteotomies are reduced. 310 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 The resection interface 884 shown in FIG. 13B, illustrates a view showing an anterior side of the bones and the resection interface 884 and the medial side is on the left and the lateral side is on the right. An anterior-posterior axis extends perpendicularly into and out of the view in FIG. 13B and the view illustrates a cross-section of the resection interface 884. FIG. 13B illustrates that the cross-section of the resection interface 884 is a polygonal cross-section. In the illustrated embodiment, the polygonal cross-section includes two resected sides of the talus 222 and at least one side of the tibia 226. 311 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 In FIG. 13B, the resected proximal end 894 of the talus 222 has an angled medial cut that connects to a straight cut that connects to an angled lateral cut. The angled medial cut may be implemented to enable the talus 222 to fit under the tibia 226 without interference from the medial malleolus when the osteotomies are reduced. The angled lateral cut may be implemented to enable the talus 222 to fit under the tibia 226 without interference from the lateral malleolus when the osteotomies are reduced. Alternatively, or in addition, the resected distal end 892 of the tibia 226 may include an angled medial cut that connects to a straight cut that connects to an angled lateral cut. The angled medial cut, straight cut, and angled lateral cut of the tibia 226 can be configured to match and/or substantially match the angled medial cut, straight cut, and angled lateral cut of the talus 222. In this manner, the sides of the resection interface 884 may be configured to engage with each other. 312 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 The resection interface 884 shown in FIG. 13C illustrates a view showing an anterior side of the bones and the resection interface 884 and the medial side is on the left and the lateral side is on the right. An anterior-posterior axis extends perpendicularly into and out of the view in FIG. 13C and the view illustrates a cross-section of the resection interface 884. FIG. 13C illustrates that the cross-section of the resection interface 884 is a polygonal cross-section. In the illustrated embodiment, the polygonal cross-section includes five resected sides of the talus 222 and five resected sides of the tibia 226. 313 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 In FIG. 13C, the resected proximal end 894 of the talus 222 has five cuts that connect to each other at right (or substantially right) angles. Alternatively, or in addition, the resected distal end 892 of the tibia 226 may include five corresponding cuts that connect to each other at right (or substantially right) angles. The cuts of the talus 222 correspond to the tibia 226 such that an opening formed in the tibia 226 receives a shape formed in the talus 222. In this manner, the sides of the resection interface 884 may be configured to engage with each other. 314 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 Those of skill in the art will appreciate that the opening can be formed in the talus 222 and the shape that fits into the opening formed in the tibia 226. This can be done for example in response to user instructions 604. Similarly, those of skill in the art will appreciate that the shape of the cross section of the resection interface 884 can be any of a number of straight line and/or curved shapes. Furthermore, a resection interface 884 may be configured to have a keyhole and corresponding key shape configuration. Using FIG. 13C as an example, the opening formed by a first osteotomy of the resected distal end 892 of the tibia 226 can be referred to as a keyhole and the shaped extension formed in the resected proximal end 894 of the talus 222 can be considered a corresponding key configured to fit within the keyhole. 315 Added by DJM Jan 2024 1/6/24, 10:01 PM
View Edit
Delete 		PER-24 Of course, a variety of shapes for the resection interface 884 can be formed using the present disclosure. Like FIGS. 13A-13C, FIGS. 13D-13F illustrate alternative examples of resection interface 884 that illustrate a cross section for the resection interface 884 that can include straight side cuts, curved cuts, and/or a combination of these. In one embodiment, curved cuts may be formed for the osteotomies using a cutting tool such as a burr. FIG. 13D illustrates a triangular or chevron cross-section shape for the resection interface 884. FIG. 13E illustrates a single curved cross-section shape for the resection interface 884. FIG. 13F illustrates a multiple curve cross-section shape for the resection interface 884. 316 Added by DJM Jan 2024 1/6/24, 10:01 PM

Page 5 of 23, showing 20 record(s) out of 459 total