PUMP FOR ARTIFICIAL HEART Russian patent published in 1997 - IPC

FIELD: medicine, in particular, implanted artificial organs providing blood circulation in live organism. SUBSTANCE: pump has spherical detachable hermetically sealed housing with windows and rotor positioned within housing. Rotor has driving disk and driven member made in the form of half the disk. Disk divides housing into two hemispherical members, one provided with mentioned windows and other dividing housing into working chambers. Driving disk is mounted in annular slot extending along detachment line of hemispherical members for rotation within it. Working chambers are filled with working fluid. Windows are hermetically sealed with flexible membranes and positioned in plane perpendicular to disk surface. Drive for rotation of rotor and changing inclination angle of member formed as half the disk relative to disk is connected with rotor by pivot joint having carrier and rod and inserted into depression. EFFECT: increased efficiency and enhanced reliability in operation. 6 dwg