US PATENT SUBCLASS 600 / 323
.~.~.~.~ Oxygen saturation, e.g., oximeter


Current as of: June, 1999
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600 /   HD   SURGERY

300  DF  DIAGNOSTIC TESTING {38}
309  DF  .~ Measuring or detecting nonradioactive constituent of body liquid by means placed against or in body throughout test {8}
310  DF  .~.~ Infrared, visible light, or ultraviolet radiation directed on or through body or constituent released therefrom {9}
322  DF  .~.~.~ Determining blood constituent {2}
323.~.~.~.~ Oxygen saturation, e.g., oximeter {13}
324  DF  .~.~.~.~.~> And other cardiovascular parameters {1}
326  DF  .~.~.~.~.~> And other blood constituents {2}
329  DF  .~.~.~.~.~> Using a fluorescing material
330  DF  .~.~.~.~.~> Separation of ac/dc components in signal
331  DF  .~.~.~.~.~> Calibrated {1}
333  DF  .~.~.~.~.~> Used in conjunction with associated apparatus (e.g., pacemaker)
334  DF  .~.~.~.~.~> With tissue perfusion
335  DF  .~.~.~.~.~> Pressurization of body portion performed
336  DF  .~.~.~.~.~> Detects constituents while excluding components (e.g., noise)
337  DF  .~.~.~.~.~> Structure preventing contact of body inserted fiber with internal body portions
338  DF  .~.~.~.~.~> Fetal tissue
339  DF  .~.~.~.~.~> Inserted in body
340  DF  .~.~.~.~.~> Measured at specified areas of body portions


DEFINITION

Classification: 600/323

Oxygen saturation:

(under subclass 322) Subject matter wherein the light means is utilized to measure the degree of saturation of oxyhemoglobin and the degree of hemoglobin in blood.

(1) Note. Oxymeters are properly classified in this subclass.