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Fenestration Arthroplasty Technique
- (ulnohumeral arthroplasty) (Outerbridge
- need trephine drill, kerosins, kregels, curettes, osteotomes
- slightly medial midline incision from olecranon 5cm proximal
- dissection to triceps fasia
- elevate skin medially until medial border of biceps is encounter
- free ulnar nerve and be warry of branches of medial antebrachial cutaneous nerve
- elevate triceps off capsule and humeral shaft
- after adequate expose, excise posterior capsule and remove posterior olecranon osteophytes and clearly define olecranon fossa
- make fenestration with trephine, clear anteriorly with kerosins
- elevate anterior capsule with kregels
- flex elbow to identify coronoid osteophtye and excise
- evaluate ROM, remove loose bodies etc
- close skin.
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