Exhalation valve for respiratory circuit

Details Exhalation valve for respiratory circuit Exhalation valve for respiratory circuit

A - Human Necessities

62

B

137/1.5

A62B 9/02 (2006.01) A61M 16/20 (2006.01)

Patent

CA 1332688

ABSTRACT A valve for the expiratory tubing of a ventilator circuit. The valve assembly includes a valve body, diaphragm, top cap and control tubing. The valve body includes a valve seat, annular surface, sealing ribs, along with other annular members. The diaphragm includes a thick center portion, connected by a thin web to a relatively thick annular rim and surrounding flange. The top cap includes a compression ring which clamps the diaphragm annular flange to the valve annular surface. In the valve open position, the valve body supports the diaphragm only at the diaphragm flange.

603194

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