Therapeutic intervention systems employing implantable balloon devices

  • US 7,682,306 B2
  • Filed: 10/30/2006
  • Issued: 03/23/2010
  • Est. Priority Date: 04/01/2004
  • Status: Active Grant
First Claim
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1. A method of therapeutic intervention for treatment of a patient in need of such treatment, said method comprising:

  • introducing to a physiological locus of said patient a balloon formed from two vacuum thermoformed half-sections of a multilayer film comprising;

    (A) a layer of sealing film, having main top and bottom surfaces; and

    (B) at least one layer of thermoplastic polymer film, disposed along least one of the main top and bottom surfaces of the sealing film;

    wherein the sealing film has a composition and thickness imparting gas barrier character to the multilayer film and wherein the at least one layer of thermoplastic polymer film alone lacks such gas barrier character;

    wherein the half-sections are processed in a vacuum thermoforming die, and the vacuum thermoformed half-sections are bonded together along peripheral portions thereof to form a peripheral seam; and

    wherein the balloon comprises an inflation element adapted to permit the inflation of the balloon at said physiological locus with a fluid; and

    inflating the balloon, yielding a balloon that is non-pillowed and generally spherical or flattened spherical in shape.

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