Vascular prosthesis made of resorbable material
First Claim
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1. Method for the fabrication of a stent coated with antithrombotic reagents, of filiform material resorbable by the body, comprising the steps of:
- winding the filiform material on a form cylinder that is stable to pressure and stable thermally, subsequently sintering the wound filiform material at pressures between 100 to 2000 bars at elevated temperature to form a stent,removing the sintered stent from the form cylinder, and then coating the stent with heparin as an antithrombotic reagent.
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Abstract
The invention relates to a method for the fabrication of a stent of a filiform material resorbable by the body, which stent is coated with heparin to avoid thromboses.
65 Citations
17 Claims
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1. Method for the fabrication of a stent coated with antithrombotic reagents, of filiform material resorbable by the body, comprising the steps of:
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winding the filiform material on a form cylinder that is stable to pressure and stable thermally, subsequently sintering the wound filiform material at pressures between 100 to 2000 bars at elevated temperature to form a stent, removing the sintered stent from the form cylinder, and then coating the stent with heparin as an antithrombotic reagent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. Method for the fabrication of a stent coated with antithrombotic reagents, of filiform material resorbable by the body, comprising the steps of:
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braiding the filiform material around a pressure and thermally stable form cylinder, thereafter hardening the braided filiform material at elevated temperature to form a stent, removing the hardened stent from the form cylinder, and then coating the stent with heparin as an antithrombotic reagent. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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Specification