A system includes a first spacer sized and configured to be received within a resected bone space of a first bone and a second spacer sized and configured to be coupled to a second bone. The first spacer and the second spacer each include a body extending between a bone contacting surface and a coupling surface. At least one shim is positioned between the first and second spacers. The shim includes a body extending between a first coupling surface and a second coupling surface. The first spacer, the second spacer, and the at least one shim position the first and second bones in a predetermined alignment. An adjustable guide including a guide adapter and a guide body is configured to couple to the first spacer and is adjustable on a first axis.

An example method includes registering, via a visualization device, a virtual model of a portion of an anatomy of an ankle of a patient to a corresponding portion of the anatomy of the ankle viewable via the visualization device, the virtual model obtained from a virtual surgical plan for an ankle arthroplasty procedure to attach a prosthetic to the anatomy. The example method also comprises displaying, via the visualization device and overlaid on the portion of the anatomy, a virtual guide that guides at least one of preparation of the anatomy for attachment of the prosthetic or attachment of the prosthetic to the anatomy.

An implant for use in orthognathic surgery of a mandible may include a longitudinal plate member and a plurality of pre-configured guides coupled to the plate member. The longitudinal plate member is pre-bent to correspond to the post-operative shape of the mandible; and the guides are pre-configured to align the plate member with the mandible when the implant is positioned against the mandible after the mandible has been separated.

A method of performing bunion surgery may involve attaching a bone positioning device to a first metatarsal and to a first cuneiform across a joint separating the first metatarsal from the first cuneiform. Attaching the bone positioning device can include inserting a first fixation pin into one of the first metatarsal or the first cuneiform and inserting a second fixation pin into an other of the first metatarsal or the first cuneiform. The method can involve using the bone positioning device to adjust an alignment of the first metatarsal relative to the first cuneiform; and, after adjusting the alignment of the first metatarsal relative to the first cuneiform using the bone positioning device, fixing a position of the first metatarsal relative to the first cuneiform with a bone connector.

Systems and methods for performing an osteotomy are presented. Examples include forming a fusion osteotomy at a metatarsocuneiform joint of the first ray of a human foot.

A bone plate kit may be provided for a foot or ankle orthopedic procedure, such as a lapidus procedure. In some examples, the bone plate kit includes a sterile container that holds multiple unicortical bone plate fasteners and one or more bone plates. For example, the kit may contain two bone plates configured to be used together during a tarsal-metatarsal fusion procedure. Each of the two bone plates may be configured to span different regions of a tarsal-metatarsal joint. The unicortical bone plate fasteners can be used to secure the two bone plates to the first metatarsal and medial cuneiform of a patient undergoing a procedure. In some configurations, one of the bone plates is a helical bone plate while the other bone plate may or may not be a helical bone plate.

A surgical assembly, a stabilisation plate and methods are disclosed. The surgical assembly comprises: a jig comprising a body having a tissue-engaging surface shaped to be received by tissue to be re-orientated by a correction factor, said body defining a plurality of alignment apertures, said plurality of alignment apertures being orientated to be parallel with respect to each other on application of said correction factor. In this way, it is possible to determine from the jig itself when the desired correction factor, rotation or displacement has been applied correctly because the alignment apertures become parallel, thereby avoiding the need for additional operative measurement and/or imaging.

A surgical apparatus includes a combination of a drill guide and a bone fixation device. The bone fixation device includes a plurality of screw receiving apertures extending therethrough. The drill guide includes a top face and a plurality of drill apertures extending from the top face through the drill guide. The drill apertures of the drill guide are arranged such that the drill apertures can be separated into two groups by an imaginary dividing line, and, if a separation between the two groups in the plane of the top face and normal to the dividing line were increased by a distance d, then the arrangement of the drill apertures would match, or otherwise be aligned with, that of the screw receiving apertures.

A surgical guide device can be attached to a patient's bone for assisting an open wedge osteotomy. This device includes two parts which are joined together by way of removable securing unit, namely: a proximal part, including a lower border defining at least one portion of the upper edge of a guide window, and a distal part having an upper edge defining at least one portion of the lower edge of the guide window. The proximal and distal parts are each provided with a plurality of through holes adapted for receiving members temporarily implantable in the bone and/or adapted to guide a drilling of holes in the bone. The arrangement of the through holes of the surgical guide device advantageously takes into account the planned open wedge osteotomy and anticipates the final position of the screw locations of the reported osteosynthesis plate for freezing the two bone fragments.

Devices and techniques for adjusting an alignment for a first metatarsal may include making a plurality of cuts along the length of the first metatarsal. In different applications of the technique, a plurality of transverse cuts may or may not be made intersecting the longitudinal cuts. In either case, the cuts can separate the first metatarsal into two individual portions and release a removable wedge of bone. The different portions of the metatarsal can be moved relative to each other to adjust an anatomical alignment of one portion relative to another portion, for example in multiple planes. After suitably adjusting the alignment of the different bone portions, the portions can be fixed together.