Air leak detector and counter for drainage device

A - Human Necessities – 61 – M

Patent

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Details

73/58, 340/124.1

A61M 1/00 (2006.01) G01M 3/00 (2006.01)

Patent

CA 1233340

AIR LEAK DETECTOR AND COUNTER FOR DRAINAGE DEVICE Abstract of the Disclosure A detector and counter for drainage devices is provided which will detect the passage of air through an underwater seal chamber. A signal is transmitted as a result of the detection of the presence of air or a bubble within an underwater seal chamber and an output circuit responsive to these signals measures the time interval between bubbles. In addition, a counter counts the total number of bubbles passing through the underwater seal over a selected period of time. The bubble detector when used with a pleural drainage device provides a diagnostic tool for a physician in determining the condition of a patient with a pleural air leak by indicating the elapsed time between bubbles and the total volume of air leak over the selected period of time.

483338

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