.~> Constituent removed from blood and remainder returned to body {1}
DEFINITION
Classification: 604/4
BLOOD DRAWN AND REPLACED OR TREATED AND RETURNED TO BODY:
(under the class definition) Subject matter relating to a means for removing blood from a person's body and either returning the same blood, or a constituent thereof, to the body after it has been handled for some purpose, or replacing the drawn blood with new blood or constituent.
(1) Note. For a patent to be classified herein, specific detailed means for attaching the treating means to the patient must be specifically claimed, or the means must include a body sensing or monitoring means which controls the treating means. Likewise for a method to be classified herein, the procedure must include more than nominal
connection of the treating means to the patient, such as by reciting specific arteries or veins to be connected or by a specific surgical connection.
SEE OR SEARCH CLASS
210, Liquid Purification or Separation,
321.6+, for dialysis of blood.
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,
44+, for blood treating or transfusible devices, (e.g., oxygenators, etc.). 494, Imperforate Bowl: Centrifugal Separators,
16+, for a separator of that class which includes a plurality of miniature bowls (e.g., test tubes) distributed about a rotatable carrier and readily removable therefrom; prominent in the art of that area (16+) are blood centrifuges.
