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  • Surgical assembly used in tracheal procedures. The parts needed high corrosion resistance to corrosive sterilization chemicals.
    with it the contaminants imbedded by tooling. At the same time, electropolishing removes the weld discolor-. ation. The process leaves the part bright clean and passive, with. increased corrosion resistance. Note to Engineer: Electropolishing has been used effectively on a wide range of surgical
  • Multi-alloy medical part needing removal of surface contamination.
    This assembly was specified with two different alloys. After machining, the 303 cap is assembled onto the 13-8Mo tube,. and is captive after the tube is formed to the desired shape. After assembly, the parts were annealed. The customer needed to clean both parts satisfactorily for surgical use
  • Case Study # 5 - Alloy F75
    demonstrated that F75 components meet the chemical specifications and exceed the mechanical property specifications of the ASTM standard, F75-01 Standard Specification for Cobalt-28 Chromium-6 Molybdenum Alloy Castings and Casting Alloy for Surgical Implants (UNS R30075). Further, F75 properties
  • Medical Device Link . Shape-Memory Alloys Offer Untapped Potential Engineers teach versatile materials how to work in the body.
    from such a shape-memory alloy (SMA) might be used to pull fractured bone together or to correct spinal scoliosis. Surgical instruments can be contorted to designated shapes, then made to return to their initial form. A small electrical current might be used to induce tiny pumps and syringes
  • Engineering PM Parts Without Pricey Alloys
    shapes such as gears. The "green " parts then travel through a high-temperature, controlled atmosphere furnace where they are sintered -- metallurgically fused without melting -- to bond the particles together. This results in high-strength parts used in everything from cars and lawn mowers to surgical
  • Medical Device Link .
    Stainless-Steel Options for Medical Instrument Tubing Understanding the properties of different alloys is crucial to selecting the right material for a particular application. William Fender and Robert S. Brown As surgical procedures have become more complex and confined, the requirements
  • Medical Device Link .
    an intentionally degradable metal into tissues for critical therapeutic purposes when it is known that a corrosion process itself may be damaging to those tissues. One powerful argument in support of this use, however, could be that although the corrosion products of most conventional surgical alloys
  • Medical Device Link . Superelastic Nitinol for Medical Devices
    , retrieval baskets, and surgical tools. Superelasticity refers to the unusual ability of certain metals to undergo large elastic deformation. Although the term is used synonymously with pseudoelasticity, we adhere to the definition that pseudoelastic alloys need only show nonlinear unloading

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