US PATENT SUBCLASS 128 / 207.15
.~.~ Breathing passage occluder

Current as of: June, 1999
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128 /   HD   SURGERY

200.24  DF  RESPIRATORY METHOD OR DEVICE {32}
207.14  DF  .~ Respiratory gas supply means enters mouth or tracheotomy incision {3}
207.15.~.~ Breathing passage occluder

DEFINITION

Classification: 128/207.15

Breathing passage occluder:

(under subclass 207.14) Subject matter including means for closing the user's esophagus so that only the gas supply means communicates with the user's lungs.