Methods and apparatus for measuring nitric oxide in fluid
AssigneeLifeHealth, LLC
InventorsScott Everett BLOMBERG, Mark Louis Peterson, Amanda Marie Franey
Life of this patent
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Abstract
An exemplary apparatus for measuring nitric oxide in a fluid includes a sample injection port; a pump and reservoir; a valve; a measurement chamber; an electromagnetic radiation source; controls and user interface; and a cartridge. The cartridge includes a sample chamber a mix chamber; a sample degassing chamber; and a planar reaction chamber. The cartridge preferably is single-use and disposable. Furthermore, additional inventive aspects and features are disclosed related to measuring nitric oxide in a fluid.
Claims21
A method for measuring a dissolved gas in a fluid comprising the following steps:
- (a) liberating the dissolved gas from the fluid;
- (b) capturing the liberated gas in a carrier gas;
- (c) measuring the dissolved gas concentration using an electrochemical sensor
An apparatus for measuring nitric oxide in a fluid, comprising:
- (a) a disposable component for containing liquid or solid residue from fluid sample;
- (b) an reusable instrument component including pumps, valves, a nitric oxide sensor, controls and user interfaces;
An apparatus for measuring nitric oxide in a fluid, comprising:
- (a) a gas pump;
- (c) a valve;
- (d) a measurement chamber;
- (e) an electromagnetic radiation source;
- (f) a heater
- (g) controls and user interface;
- and
- (h) a cartridge comprising
- (i) a sample chamber,
- (ii) a sample degassing chamber, and
- (iii) a reaction chamber.
21-24. (canceled)
Dependencies are inferred from the claim text.