Patents Assigned to Hemotherapy Inc.
  • Method and apparatus for continuous plasmaphersis
    Patent number: 4191182
    Abstract: A process and apparatus are provided for continuously separating blood into plasma and cellular component fractions and returning the latter to the subject in admixture with a makeup fluid. The separation is effected by continuously ultrafiltering the subject's blood at specified shear stresses and pressures employing a membrane ultrafilter, preferably having a pore size of 0.45 microns, and a disclosed flow system.
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: March 4, 1980
    Assignee: Hemotherapy Inc.
    Inventors: Robert P. Popovich, Glen D. Antwiler, Jack W. Moncrief
  • Method and apparatus for continuous plasmapheresis
    Patent number: RE31688
    Abstract: A process and apparatus are provided for continuously separating blood into plasma and cellular component fractions and returning the latter to the subject in admixture with a makeup fluid. The separation is effected by continuously ultrafiltering the subject's blood at specified shear stresses and pressures employing a membrane ultrafilter, preferably having a pore size of 0.45 microns, and a disclosed flow system.
    Type: Grant
    Filed: March 2, 1982
    Date of Patent: September 25, 1984
    Assignee: Hemotherapy, Inc.
    Inventors: Robert P. Popovich, Jack W. Moncrief, Glen D. Antwiler