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Stents having biodegradable layers

  • US 10,617,795 B2
  • Filed: 06/27/2017
  • Issued: 04/14/2020
  • Est. Priority Date: 01/08/2007
  • Status: Active Grant
First Claim
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1. A method of preparing a laminate coronary stent comprising:

  • a. providing a stent framework;

    b. depositing a plurality of bioabsorbable polymer layers on said stent framework to form said laminate coronary stent;

    c. sintering the stent after each polymer layer is deposited; and

    d. depositing at least one active agent in crystalline form,wherein the stent framework has a thickness of about 50% or less of a thickness of the laminate coronary stent.

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