Exsufflator - apparatus and method of use

Details Exsufflator - apparatus and method of use Exsufflator - apparatus and method of use

A - Human Necessities

61

M

A61M 16/00 (2006.01)

Patent

CA 2088730

ABSTRACT There is described a non-invasive device designed to assist expectoration of pulmonary secretions in humans, particularly in those whose natural exhalation and natural coughing ability are impaired. The device has a quick-acting valve, a pressure sensing means generating a signal indicative of a pressure in the upper part of the subject's respiratory tract, detecting meansindicating the imminent collapse of the subject's respiratory tract or a part thereof, and control means opening or closing the valve respectively in response to the signals from the sensing means and the detecting means so as to create supramaximal flows in the respiratory tract in order to stimulate the movement of secretions towards the mouth of the subject. The valve opening/closing sequence is totally subject-controlled.

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