Radiopaque compositions, articles and methods of making and using same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Nov 22, 2007
app pub date -
May 19, 2006
filing date -
May 19, 2006
priority date (Note) -
Abandoned
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Abstract
A radiopaque composition and implant comprising a mixture of a polymer, such as polyetherketone (PEEK), polyetherketone (PEK), polyetherketoneketone (PEKK), polyetherimide, or polyphenylsulfone, and bismuth trioxide (BiO.sub.3) is provided. The mixture comprises BiO.sub.3 of about twenty to thirty percent (20% to 30%) by weight. The composition is useful in radiopaque implants for mammals including humans, such as in catheters, stents, screws, anchors, dental caps and posts, bone and joint replacements, and the like. The composition is also useful for radiopaque markers in implants and for radiopaque articles used in surgical and other in vivo procedures. The radiopaque items can be easily identified and located in a patient's body via X-ray examination or fluoroscopy.
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