US PATENT SUBCLASS 606 / 191
.~ Internal pressure applicator (e.g., dilator)

Current as of: June, 1999
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606 /   HD   SURGERY

1  DF  INSTRUMENTS {42}
191.~ Internal pressure applicator (e.g., dilator) {5}
192  DF  .~.~> Inflatable or expandible by fluid {3}
197  DF  .~.~> Rectal or anal
198  DF  .~.~> Expanding dilator (e.g., expanding arm, etc.)
199  DF  .~.~> Nasal dilator
200  DF  .~.~> With emboli trap or filter

DEFINITION

Classification: 606/191

Internal pressure applicator (e.g., dilator):

(under subclass 1) Subject matter comprising means which are inserted in a natural body orifice or organ to expand said orifice or organ.

SEE OR SEARCH CLASS

604, Surgery,

48+, for means inserted into natural body orifices to permit the introduction or removal material for therapeutic purposes; subclasses 93+, for means for introducing or removing material from the body of a conduit, hollow or implantable reservoir and subclasses 104+, for means for expanding a body orifice or canal.