A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 31/14 (2006.01) A61F 2/82 (2006.01) A61F 2/90 (2006.01) A61L 31/06 (2006.01)
Patent
CA 2373961
The present invention includes a linear material used for a stent implanted in a blood vessel such as the coronary artery, and a blood vessel stent employing this linear material. The linear material is formed of a biodegradable polymer poly-(L-lactic acid), and has a crystallinity, as measured by differential calorimetry, of 15 to 60%. The linear material is a monofilament having a diameter of 0.08 mm to 0.30 mm. This monofilament is shaped to a tubular structure used as the blood vessel stent.
Cette invention concerne des tiges en fil destinées à être implantées dans des vaisseaux sanguins, tels que l'artère coronaire, qui comprennent un poly(L-lactide) polymère bio-absorbable et dont le degré de cristallinité, mesuré par calorimétrie à balayage différentiel, se situe entre 15 et 60 %. Les tiges en fil se présentent sous la forme de monofilaments d'un diamètre compris entre 0,08 et 0,30 mm. Ces monofilaments sont moulés et agencés selon une structure cylindrique qui constitue un stent intravasculaire.
Gowling Lafleur Henderson Llp
Igaki Keiji
Kabushiki Kaisha Kyoto Iryo Sekkei
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