.~ Means for inserting or removing conduit within body {1}
109
.~.~ Ear vent or drain
DEFINITION
Classification: 606/109
Ear vent or drain:
(under subclass 108) Subject matter wherein the conduit is placed such that it penetrates the tympanic membrane in an organ of hearing.
(1) Note. Patents in this subclass are limited to devices which place conduits into the ear and do not claim the passage of material into or out of the conduit. Conduits placed in the body for the purpose of introducing or removing material are properly classifiable in Class 604, Surgery.
SEE OR SEARCH THIS CLASS, SUBCLASS:
185+, for devices for puncturing having similar structure to the devices in this subclass which puncture the middle ear structure for insertion of a vent or drain.
