A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 27/00 (2006.01) A61F 2/30 (2006.01) A61F 2/32 (2006.01) A61F 2/36 (2006.01) A61F 2/38 (2006.01) A61L 27/30 (2006.01) A61B 17/80 (2006.01) A61B 17/86 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2092210
DUAL COMPOSITION COUPLER FOR MODULAR MEDICAL IMPLANTS ABSTRACT The invention provides an interpositional coupler for inserting between modules of a modular medical implant, wherein the modules are fabricated of compositions having different electrochemical potentials, to reduce or prevent the flow of a galvanic current and thereby reducing or preventing this contribution to corrosion of the prosthesis. The coupler may be of an insulative type comprising a zirconium/zirconium alloy core coated with blue-black zirconium oxide or nitride or any metal coated with amorphous diamond-like carbon. Alternatively, the coupler may be of a dual composition type with each of the compositions having essentially the same electrochemical potential as the module to which it couples.
Borden Ladner Gervais Llp
Smith & Nephew Richards Inc.
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