US PATENT SUBCLASS 452 / 69
.~.~ Trocar and cannula

Current as of: June, 1999
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452 /   HD   BUTCHERING

52  DF  SLAUGHTERING {8}
67  DF  .~ Bleeding {2}
69.~.~ Trocar and cannula

DEFINITION

Classification: 452/69

Trocar and cannula:

(under subclass 67) Subject matter wherein a surgical instrument consisting of a sharp stylet enclosed in a tube is inserted through the containing wall of a body cavity, thereby permitting blood to drain off through the tube.

SEE OR SEARCH CLASS

604, Surgery,

264+, for trocars and cannulas used in surgery.