Interface with rolling diaphragm

Details Interface with rolling diaphragm Interface with rolling diaphragm

2006-03-13

2009-06-16

Yu, Justine R (Department: 3771)

Surgery

Respiratory method or device

Face mask covering a breathing passage

C128S206210

Reexamination Certificate

active

07546837

ABSTRACT:
A patient interface gas delivery mask having a rolling diaphragm that connects a seal member forming a cushion which contacts the patient's face with a mask shell or that connects a conduit coupling member with the mask shell. The rolling diaphragm of the present invention allows the cushion to self align to the patient's face and allows relative movement between the seal member and the mask shell. This prevents torque acting of a conduit coupled to the mask shell from being translated to the seal member, which might otherwise dislodge the seal member creating unwanted gas leakage at the seal member-patient interface.

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Tiara Medical Systems, Inc., “Advantage HUSH Nasal Mask”, product brochure.

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