Orthopaedics | Materials | Which Medical Device
No Editor Review
No Ratings
Duration Stabilised Ultra High Molecular Weight Polyethylene (UHMWPE) was the first annealed (heated below melting temperature) crosslinked polyethylene. Crosslinking is achieved by irradiation, and so the manufacturing process involves irradiation followed by heating. Heating tends to reduce...
read full description
No Editor Review
No Ratings
Zimmer Longevity Highly Crosslinked Polyethylene The Longevity is Zimmer’s highly crosslinked polyethylene insert designed for total hip arthroplasty, launched in 1999. It is available as standard, 10° elevation, 20° elevation and 7 mm offset. (Zimmer.com, accessed 13/4/11) The...
read full description
No Editor Review
No Ratings
Marathon Cross-Linked Polyethylene is a third generation cross-linked polyethylene. The manufacturing process involves 5 MRad of gamma irradiation, followed by a thermal treatment which is said to reduce free radicals in the polyethylene, enhance material consolidation and reduce the oxidative...
read full description
No Editor Review
No Ratings
Oxinium is the trade name for a bearing material manufactured by Smith and Nephew and available in the Journey and Genesis II knees, and Smith and Nephew hip prostheses. When combined with XLPE (Smith and Nephew's cross linked polyethylene) it is known as VERILAST technology. The material...
read full description
No Editor Review
No Ratings
Tritanium (R) from Stryker is a reticulated porous titanium coating for titanium alloy components. Frenkel et al report a porosity of 65-70% compared with titanium (30-35%) and cobalt chrome beads (35-40%), and excellent bone ingrowth in animal studies. Tritanium was also a fictional...
read full description
WhichMedicalDevice is a FREE resource created by clinicians for clinicians.
Registration is free and gives you unlimited access to all of the content and features of this website.
Find out more...Registration is free and gives you unlimited access to all of the content and features of Which Medical Device. Find out more...
Which Medical Device is a community of clinicians sharing knowledge and experience of the devices and procedures we use on a daily basis. We ask that our members register with us so that we can maintain the unbiased and independent nature of our content. Registration is quick and free.
We do not make your details available to any third parties nor do we send unsolicited emails to our members. You can read our Privacy Policy here.
