Designing an implant by CT scanning and solid modelling. Arthrodesis of the shoulder after excision of the upper humerus.
Techniques are described by which metal implants can be designed and produced to fit precisely a bony site at a subsequent operation. CT scans and solid modelling were used to produce an accurate three-dimensional representation of the surface of the bone. These techniques were applied to the production of an internal fixation device for shoulder arthrodesis after the resection of a neoplasm of the proximal humerus. The reconstruction utilised a free vascularised fibular graft between the scapula and the distal humeral remnant, fixation being secured with the custom-made implant.
D000293:Adolescent; D001174:Arthrodesis / Q000379:methods*; D001845:Bone Cysts / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D006811:Humerus / Q000601:surgery*; D007595:Joint Prosthesis; D008297:Male; D008953:Models, Anatomic; D010347:Patient Care Planning; D011474:Prosthesis Design; D014057:Tomography, X-Ray Computed