US 7,523,753 B2
Connector for a respiratory mask and a respiratory mask
Michael K. Gunaratnam, Marsfield (Australia); Joanne E. Drew, Balgowlah (Australia); Geoffrey Crumblin, Baulkham Hills (Australia); Phillip Jenkinson, Epping (Australia); and Susan R. Lynch, Rodd Point (Australia)
Assigned to ResMed Limited, Bella Vista (Australia)
Filed on Feb. 28, 2006, as Appl. No. 11/362,722.
Application 11/362722 is a continuation of application No. 10/636588, filed on Aug. 08, 2003, granted, now 7,066,178.
Application 10/636588 is a continuation of application No. 09/594775, filed on Jun. 16, 2000, granted, now 6,691,707.
Claims priority of application No. PQ1029 (AU), filed on Jun. 18, 1999.
Prior Publication US 2006/0144405 A1, Jul. 06, 2006
Int. Cl. A62B 18/02 (2006.01)
U.S. Cl. 128—206.21 36 Claims
OG exemplary drawing
 
1. A connector comprising:
a mask end adapted to communicate with an interior of a respiratory mask;
a supply conduit end disposed at an angle to the mask end and adapted to communicate with an outlet of a breathable gas supply conduit;
a gas washout vent passage having a vent inlet in fluid communication with the interior of the respiratory mask and a vent outlet in fluid communication with the atmosphere, the vent outlet is disposed on a side of the connector remote from the mask end;
a body portion; and
a cap portion detachably connected to the body portion, the cap portion and body portion defining the vent passage therebetween,
wherein the vent inlet is formed in the body portion adjacent to, and downstream of, the mask end relative to the washout gas flow and is in fluid communication with the mask interior via the body portion; and
wherein the vent passage extends along an arc from the vent inlet to the vent outlet.