US PATENT SUBCLASS 604 / 5
.~ Constituent removed from blood and remainder returned to body

Current as of: June, 1999
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604 /   HD   SURGERY

4  DF  BLOOD DRAWN AND REPLACED OR TREATED AND RETURNED TO BODY {1}
5.~ Constituent removed from blood and remainder returned to body {1}
6  DF  .~.~> Component of blood removed (i.e., pheresis)

DEFINITION

Classification: 604/5

Constituent removed from blood and remainder returned to body:

(under subclass 4) Subject matter wherein a portion of the blood, such as an impurity or component, is removed therefrom before the residue is returned to the body.