Technical Papers

Metal Cutting_Biomaterials

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White Paper Metal Cutting ® A Comparative Analysis of the Properties of Tun gsten for Medical Device Appli cations An analysis of the properties, processes and applications of tungsten as compared to various precious metals to help m edtech profe ssionals make informed and cost - conscious mate rials . INTRODUCTION As the medical device community continues to endeavor for safer, longer lasting and less cumbersome devices, so too must the sourcing partners that serve it. Implantable and minimally invasive device applications requi re materials that, at a minimum, possess structural integrity and biocompatibility. But as engineers push the limits of device functionality, sourcing and contract partners must stay ahead of the curve in order to provide materials with secondary character istics that go beyond mere biocompatibility. Specialty metals for stent applications should be flexible, yet still hold shape, while orthopedic applications require increased fatigue resistance and load bearing capability. And then there's radiopacity. G uide wires, CRM and deep brain studies necessitate imaging with virtually no margin of error. Often 'specialty metals' for these types of applications is synonymous with precious metals. With the increasing Choosing a sourcing or contract partner can be a daunting task when your requirements include biocompatibility, fatigue resistance and radiopacity.

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