US PATENT SUBCLASS 600 / 431
.~.~ Detectable material placed in body

Current as of: June, 1999
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600 /   HD   SURGERY

300  DF  DIAGNOSTIC TESTING {38}
407  DF  .~ Detecting nuclear, electromagnetic, or ultrasonic radiation {11}
431.~.~ Detectable material placed in body {2}
432  DF  .~.~.~> Piston-type ram forces material into body
433  DF  .~.~.~> Using flexible catheter {2}

DEFINITION

Classification: 600/431

Detectable material placed in body:

(under subclass 407) Subject matter wherein an externally detectable material, such as a radio-opaque or radioactive fluid, is placed in the body.

SEE OR SEARCH CLASS

250, Radiant Energy,

302+, for radiation tracer methods.

424, Drug, Bio-Affecting and Body Treating Compositions,

1, for radioactive fluids, per se, usable for treating or diagnosing the body; and subclasses 4+ for X-ray contrast compositions.