×

Valvular annuloplasty rings of a biocompatible low elastic modulus titanium-niobium-zirconium alloy

  • US 5,674,280 A
  • Filed: 10/12/1995
  • Issued: 10/07/1997
  • Est. Priority Date: 12/21/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. An annuloplasty ring for implantation in living body tissue of a patient, the annuloplasty ring having enhanced biocompatibility, comprising:

  • components at least partially fabricated from a metal alloy comprising;

    (i) titanium; and

    (ii) from about 10 to about 20 wt. % niobium or from about 35 to about 50 wt. % niobium;

    wherein the alloy is substantially free of toxic elements, said toxic elements being aluminum, manganese, vanadium, cobalt, nickel, molybdenum and chromium, except such amounts of said toxic elements as may occur as impurities in the alloy and as contaminants as a result of an alloying process, the amounts of said impurities and contaminants being insignificant to cause adverse effect on the patient'"'"'s body.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×