Patent ID: 7963948

Claim:
A hemostasis valve system for controlling a flow of fluid therethrough, the valve system comprising: a housing, said housing having a proximal end, a distal end, and a chamber disposed therebetween; a valve disposed in said chamber, said valve comprising a plurality of elastomeric valve members, each of said valve members having opposing shaped first and second faces, a shaped inner edge portion, and a shaped outer edge portion, each of said faces comprising respective first and second elevations, said respective first and second elevations of each said face being generally parallel, wherein each of said shaped inner edge portions includes a concave curved portion and a convex curved portion, said respective first and second elevations of each valve member complementary upon engagement with a respective first and second elevation of another valve member upon engagement, and respective curved portions of each valve member complementary with curved portions of another valve member upon engagement, said valve members collectively structured and arranged such that said shaped faces and said shaped inner edges are engaged in an interlocking relationship, said valve members having sufficient elasticity to define an opening along said engaged inner edge portions upon passage therethrough of a medical interventional device.