Patent ID: 6776770
Filing Date: 2004-08-17
Classification: A61F,A61M

Abstract:
A device for filtering blood clot particles from blood, compromising:a housing having a first end defining a fluid port for fluid communication with the blood vessel system of a patient and an opposite end defining a suction port, the housing comprising a reservoir in fluid communication with the fluid port; and a valve disposed in said housing between said fluid port and said suction port, said valve comprising at least one semipermeable membrane member permeable to blood and impermeable to blood clot particles, said membrane member moveable to a first open valve position to permit passage of fluid and particles from said fluid port into said reservoir, and said membrane member movable to a second closed valve position to block passage of particles between said reservoir and said fluid port and to permit passage of blood through said membrane member to the fluid port for delivery to the patient.