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Implantable Open Vein Valve

  • US 20160256277A1
  • Filed: 03/02/2016
  • Published: 09/08/2016
  • Est. Priority Date: 03/02/2015
  • Status: Active Grant
First Claim
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1. A prosthetic venous valve comprising:

  • a) a cylindrical base having a length greater than its diameter and with a thin wall of a thickness less than about 2 mm,b) leaflets thinner than about 1 mm and longer than half the base diameter that extend downstream of the base, andc) a transition shoulder region thinner than about 3 mm in wall thickness that joins the base and the leaflets,wherein said prosthetic venous valve is composed of a biocompatible polymer; and

    wherein said prosthetic venous valve has backflow reflux under 160 mmHg and forward flow resistance less than 20 mmHg*min/L; and

    shear rates at the base wall being restricted to between 1 S

    1
    to 100,000 S

    1
    .

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