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Intravascular stent and method

DC
  • US 5,464,650 A
  • Filed: 04/26/1993
  • Issued: 11/07/1995
  • Est. Priority Date: 04/26/1993
  • Status: Expired due to Term
First Claim
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1. A method for making an intravascular stent comprising the steps of:

  • (a) providing a cylindrical, radially expandable stent body;

    (b) applying to the stent body by spraying a solution which includes a solvent, a polymer dissolved in the solvent and a therapeutic substance dispersed in the solvent;

    (c) evaporating the solvent;

    (d) repeating application and evaporating steps (b) and (c) to provide an amount of polymer and therapeutic substance on the stent body; and

    (e) radially expanding the stent body and applied polymer and therapeutic substance such that the polymer and therapeutic substance are retained on the stent body.

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