Radiopaque stent markers
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United States of America Patent
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Jan 1, 2002
Issued Date -
N/A
app pub date -
Sep 3, 1996
filing date -
Mar 13, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
Stents which are inserted into a body lumen preferably are made of materials which are not radiopaque enough, such as stainless steel 316L. X-ray visualization of a stent enables an accurate positioning of the stent and also a follow-up of its functioning within the patient's body. The radiopaque markers described here are rivets made of a material which is more radiopaque than the stent substance so the location of the stent can be identified. Preferably the stents are heat treated so that atoms from the stent material migrate into the marker material and vice versa.
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