Stent with improved flexible connecting links
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United States of America Patent
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Jun 13, 2006
Issued Date -
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app pub date -
Jun 30, 2000
filing date -
Nov 13, 1998
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Abstract
Disclosed is a stent that has flexible connecting links that have a strut width as measured in a direction that is generally along the surface of the stent that is smaller than the wall thickness of the stent as measured in a radial direction from the stent's longitudinal axis. The strut width for a coronary stent should be less than 0.10 mm to provide good flexibility while the wall thickness should be greater than 0.10 mm to provide good stent radiopacity. Ideally the ratio of the width to the thickness should be less than 1.0 and preferably less than 0.08 mm and the nominal wall thickness would typically be 0.12 mm. The combination of thin strut width and thick wall thickness will allow the flexible link to easily lengthen and shorten for increased stent flexibility while making the link relatively stiff with respect to bulging inward into the lumen of the stent. This stiffness enhances the ability of the link to push outward against plaque in a coronary artery after the stent is deployed. In addition to improved flexibility, the thin width of the flexible links allow them to stretch during stent expansion thus reducing foreshortening of the deployed stent.
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Patent Owner(s)
- CARDINAL HEALTH SWITZERLAND 515 GMBH
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Fischell, David R | Fair Haven, NJ | 277 | 27025 |
Fischell, Robert E | Dayton, MD | 259 | 30892 |
Majercak, David C | Flemington, NJ | 54 | 3034 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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