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US Patent 7089939 Gas delivery connection assembly

Patent 7089939 was granted and assigned to ResMed on August, 2006 by the United States Patent and Trademark Office.

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Contents

Is a
Patent
Patent
1

Patent attributes

Current Assignee
ResMed
ResMed
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
70899391
Patent Inventor Names
Geoffrey Crumblin1
Adrienne Mary Claire Walker1
Gregory S. Smart1
Michael K. Gunaratnam1
Philip R. Kwok1
Date of Patent
August 15, 2006
1
Patent Application Number
099854581
Date Filed
November 2, 2001
1
Patent Citations Received
‌
US Patent D1010103 Breathing mask assembly including a frame, headgear, and seal
2
‌
US Patent 12017007 Vent and vent adaptor for patient interface
3
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US Patent 11872347 Nasal cannula assemblies and related parts
4
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US Patent D1031022 Nasal cannula assembly
5
‌
US Patent 12017005 Mask system headgear
6
‌
US Patent 11883591 Interface comprising a rolling nasal bridge portion
7
Patent Primary Examiner
‌
Mital Patel
1
Patent abstract

An anti-asphyxia valve is adapted to, in use, be disposed between a patient and structure to deliver a breathable gas to the patient. The valve includes a housing having an interior, at least one port to provide fluid communication between the housing interior and atmosphere and at least one flap including a first portion and a second portion. The first portion is adapted for mounting to the housing. The second portion is adapted to flex between a first biased open position allowing gas to pass from the housing interior through the at least one port to atmosphere when a difference in gas pressure in the housing interior and atmosphere is below a predetermined operating threshold and a second forced closed position substantially occluding the at least one port when the difference in gas pressure between the housing interior and atmosphere is substantially equal to or above the operating threshold.

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