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US 2016/0256277 A1Published application
Implantable Open Vein Valve
AssigneeGeorgia Tech Research Corporation
InventorsDavid N. Ku, Daniel Tanner
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Abstract
The invention provides prosthetic venous valves, and method of use thereof, for the effective treatment of individuals with venous reflux in chronic venous insufficiency (CVI). The development of such prosthetic venous valves in the areas of valve design, design specifications, verification and/or validation testing, computational analysis, valve placement and clinician guidance and procedure are provided. Manufacturing the prosthetic venous valves of the invention is also provided.
Claims20
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, and
- c) 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.
4 more elements
Dependencies are inferred from the claim text.