US PATENT SUBCLASS 600 / 497
.~.~.~.~ Pressure indicator includes liquid column

Current as of: June, 1999
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600 /   HD   SURGERY

300  DF  DIAGNOSTIC TESTING {38}
481  DF  .~ Cardiovascular {6}
485  DF  .~.~ Measuring pressure in heart or blood vessel {3}
490  DF  .~.~.~ Force applied against skin to close blood vessel {6}
497.~.~.~.~ Pressure indicator includes liquid column

DEFINITION

Classification: 600/497

Pressure indicator includes liquid column:

(under subclass 490) Subject matter wherein a pressure indicator including a column of liquid is connected to a means for applying force against skin overlying a blood vessel (e.g., a liquid column manometer connected to a pneumatic arm-constricting cuff to measure pressure therein).