Biomechanical anticoagulation by spherical platelets in extracorporeal systems

Extracorporeal life support, such as hemodialysis, often face the risk of blood coagulation, where systemic anticoagulation with heparin is routinely administered. However, this strategy is contraindicated in patients at high risk of bleeding. Inspired by the observation that rolling motion of spherical platelets avoids their exposure to tangential forces, an anticoagulation strategy is proposed based on platelet spherification for extracorporeal systems. Experimental results prove that spherica