Calibration method for single-breath carbon monoxide lung diffus

Details Calibration method for single-breath carbon monoxide lung diffus Calibration method for single-breath carbon monoxide lung diffus

1993-01-25

1994-04-19

Sykes, Angela D.

Surgery

Truss

Pad

128719, 73 1G, A61B 5083

Patent

active

053037120

ABSTRACT:
A method for testing/calibrating a system for performing single-breath carbon monoxide lung diffusing capacity measurements. By simulating a patient's lungs using a precision syringe for drawing a preanalysis gas mixture through the equipment (inspiration) and a modified scuba regulator valve or a solenoid valve with a purge button to simulate the expiration of a postanalysis gas through the system into a sampling chamber, the DL.sub.co measuring system performance can be assessed as a whole rather than as a collection of individual components.

REFERENCES:
patent: 5119825 (1992-06-01), Huhn
patent: 5193551 (1993-03-01), Pilipski
"Single Breath Carbon Monoxide Diffusing Capacity (Transfer Factor)", American Review of Respiratory Diseases, 1987, vol. 136, pp. 1299-1307.

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