Depuy Synthes | Global CAP Shoulder Resurfacing Arthroplasty | Which Medical Device
Categorised under:
Orthopaedics
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Upper limb
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Shoulder resurfacing/short stem
From Which Medical Device
The Global CAP is a resurfacing proximal humeral implant that is designed to be compatible with the Global AP glenoid components, and thus may be used as a hemiarthoplasty or total shoulder system. In common with other resurfacing systems, it aims to restore proximal humeral anatomy by placing a component size matched to the native head, in anatomical alignment.
Head measurements are made by diameter and height, a single triple stem reamer is used to shape the native head, and the component is press fit with hydroxyapetite coating (Duofix HA TM).
As with other resurfacing implants, the use is dependent on adequate proximal humeral bone stock.
An extended head version is available for cuff tear arthropathy, to additionally resurface the greater tuberosity in its articulation with the acromion.
Whilst no long term results of the Global CAP are available, other resurfacing systems have demonstrated good long term pain relief. However, there is evidence of possible ongoing and worsening pain due to glenoid erosion in shoulder hemiarthroplasty in general, occasionally requiring revision to a total arthroplasty.
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