Wrist Block
Overview The following three nerves are involved in a wrist block: radial, median, and ulnar. 1. The ulnar nerve has a dorsal sensory branch that arises 5 cm proximal to the…
Treatment of navicular avascular necrosis in the sensate patient
Definition • Utilizing patient-specific custom 3D-printed metallic navicular cages for the treatment of chronic navicular pathology in sensate patients without Charcot neuroarthropathy. Anatomy and biomechanics • The navicular is an…
Primary constrained total talus with subtalar joint arthrodesis
Definition • Patient-specific 3D custom-printed metallic constrained total talus replacement includes modifications to implant design and technique in order to incorporate subtalar arthrodesis. Anatomy • The talus, through its articulations,…
3D-printed solutions for first metatarsophalangeal joint fusion with osseous deficit
Definition • Custom/patient-specific 3D-printed metallic porous spacer for the first metatarsophalangeal joint (MTPJ) with bone loss to restore length, alignment, and function of the first ray. Anatomy • The first…
3D-printed hallux and lesser metatarsophalangeal joint replacement
Definition • Custom/patient-specific 3D-printed metallic porous hemiarthroplasty for the treatment of hallux and lesser toe metatarsophalangeal joint (MTPJ) arthritis to improve pain while maintaining range of motion (ROM). Anatomy/pathogenesis •…
A 3D-printed solution for revision lapidus bunionectomy
Definition • Custom/patient-specific 3D-printed metallic porous spacer for revision of first tarsometatarsal (TMT) joint arthrodesis nonunion. Anatomy and pathogenesis • The first TMT joint is a trapezoid-shaped joint with a…
3D-printed custom hemi-talus replacement
Definition • Resection of damaged cartilage and subchondral bone in the talus which is then replaced with a metallic, patient-specific, 3D-printed implant without the need for malleolar osteotomy. Indication(s) •…
3D-printed total cuboid replacement for lateral column pathology
Definition • Excision of the cuboid in total, which is then replaced with a metallic, patient-specific 3D-printed implant. Indications • Posttraumatic arthritis located at the cuboid and associated articulations. •…
A 3D-printed solution for evans calcaneal osteotomy nonunion
Definition • A custom/patient-specific 3D-printed porous metallic spacer for revision of Evans calcaneal osteotomy nonunion. Anatomy and pathogenesis • With Evans calcaneal osteotomy the foot follows the displacement of the…
Lesser metatarsal replacement
Definition • Custom/patient-specific 3D-printed lesser metatarsal bone replacement is based on measurements generated by a CT scan of the ipsilateral and/or contralateral lesser metatarsal bone. • It is used for…
