Liner Options Marathon. CupsRevision Cups Downsizing Downsized by 6 mm: Inserts are downsized due to increased cup thickness that is required to accommodate peripheral screw. Downsized by 4 mm: Inserts are downsized due to increased cup thickness that is required to accommodate peripheral screw. The third-party trademarks used herein are trademarks of their respective owners.
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The Pinnacle Acetabular Cup System from Depuy comprises a degree titanium shell with coating options including Porocoat titanium sintered beads Duofix Porocoat with an HA coating and Gription high friction porous surface.
The shell is designed to accept polyethylene, ceramic and metal liners Marathon or AltrX, Biolox and Ultamet respectively. This flexibility is achieved because the interior of the socket includes a Variable Interface Prosthesis VIP , which has a central dome for polyethylene contact, and a peripheral taper into which a hard bearing liner can be introduced.
Like the Trident socket, the introducer screws into the shell and the resulting hole can be filled with an obturator once the introducer is removed. The device has been available since One study suggests that the risk of retroacetabular osteolysis has been reduced in this design of shell compared with the earlier Duraloc because of an improved locking mechanism Powers et al. There is a case report of shearing of the peripheral locking tabs of a Marathon liner Mesko JW.
A comparison of a second- and a third-generation modular cup design: is new improved? J Arthroplasty. Epub Apr 9. Mesko JW. Acute liner disassociation of a Pinnacle acetabular component. Epub Jun No authors listed. Find out more here. Your opinion matters to others - rate this device or add a comment. Registration gives you full access to all of the features of WhichMedicalDevice.
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Sign in Forgot Details? Remember Me. Editor Rating. User Rating. Search by. Manufacturer Category Procedure. Epub Jun 13 No authors listed. Have you used this device? Similar Devices of Tritanium Acetabular Cup Manufacturer: Stryker.
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Depuy | Pinnacle Acetabular Cup System | Which Medical Device