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Surgery of the Elbow
Published in Timothy W R Briggs, Jonathan Miles, William Aston, Heledd Havard, Daud TS Chou, Operative Orthopaedics, 2020
Alan Salih, David Butt, Deborah Higgs
The dissection is then taken down the lateral side of this sheet, i.e. in the intervascular/interneural plane, to the deep head of the triceps. The superficial heads are parted for about 6 cm, uncovering the filmy layer between them and the deep head. The deep head is then incised (the only muscular incision required in this technique) noting the deep transverse epicondylar vessels under the muscle at the proximal margin of the fat pad in the olecranon fossa. The vessels are cauterised. The fat pad is excised and the olecranon fossa exposed. A posterior capsulectomy is performed and any olecranon osteophytes removed.
Forearm, Elbow, and Humerus Radiography
Published in Russell L. Wilson, Chiropractic Radiography and Quality Assurance Handbook, 2020
The axial view of the elbow will provide a more detailed look at the soft tissues immediately around the olecranon and olecranon fossa. This area is a site for calcium deposits and frequent inflammatory processes. A 15° medial rotation of the arm will demonstrate the cubital tunnel.
Musculoskeletal system
Published in A Stewart Whitley, Jan Dodgeon, Angela Meadows, Jane Cullingworth, Ken Holmes, Marcus Jackson, Graham Hoadley, Randeep Kumar Kulshrestha, Clark’s Procedures in Diagnostic Imaging: A System-Based Approach, 2020
A Stewart Whitley, Jan Dodgeon, Angela Meadows, Jane Cullingworth, Ken Holmes, Marcus Jackson, Graham Hoadley, Randeep Kumar Kulshrestha
The posterior aspect of the elbow is studied with the elbow flexed at 90° with the palm resting on the table (Fig. 3.14c). Proximal to the olecranon, the triceps muscle and tendon should be evaluated in long and short axes (Fig. 3.15a). Located deep to the triceps, the olecranon fossa and posterior recess should also be examined. To study the cubital tunnel, the probe is placed parallel to the olecranon and the medial epicondyle, and the ulnar nerve is examined from the distal arm through the forearm in transverse sections. Dynamic evaluation should be performed to detect the presence of intra-articular fluid or nerve instability [20].
A custom-made distal humerus plate fabricated by selective laser melting
Published in Computer Methods in Biomechanics and Biomedical Engineering, 2021
Thansita Thomrungpiyathan, Suriya Luenam, Boonrat Lohwongwatana, Winai Sirichativapee, Kriengkrai Nabudda, Chedtha Puncreobutr
In this study, left synthetic humerus bones (Sawbones, USA) were used instead of cadaveric bone to equalize bone material for comparison of plate’s stiffness. To create distal humerus fracture similarly to the previous section, transverse osteotomy was performed across the top of the olecranon fossa to remove a 6 mm bone piece in the transversal plane (Figure 3(a)). Preparation of custom-made distal humerus plates (customized single and double plates) was done by SLM fabrication, followed by heat treatment and surface finishing process (Meticuly, Thailand). The manufacturing of 3D-printed plates could take 3–5 days and the is around 1500 USD. Subsequently, fixations of manufactured titanium plates and commercial titanium screws were carried out in accordance with plating configuration illustrated in Figure 1(b). The completed fixation of custom-made plates on fractured synthetic humeri is shown in Figure 3(a). Prior to the test, each specimen was fixed to a material testing machine (ElectroPuls E10000, Instron, USA) by placing the proximal end of the humerus in a bespoke holding device and attaching the distal end to a custom-made epoxy resin mold (Figure 3(b)).