US 8,757,162 B2Granted

Nasal assembly

AssigneeResMed Limited

InventorsLee J. Veliss, Memduh Guney, Muditha P. Dantanarayana

Life of this patent

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Abstract

A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.

Claims17

Dependent claims

A nasal assembly for delivering breathable gas to a patient, comprising:

a frame having a main body and a side frame member provided on each lateral side of the main body;
a nozzle assembly including a pair of nozzles, the nozzle assembly being coupled with the main body of the frame with the pair of nozzles structured to sealingly engage with nasal passages of a patient's nose in use;
an inlet conduit structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient;
a headgear assembly to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face;
and
a plug including a vent portion structured to allow passage of exhaled gas, the vent portion including a sintered material,
wherein the plug is provided to one said lateral side of the frame and the inlet conduit is provided to the other said lateral side of the frame.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 12/926,213Filed 2 Nov 2010 · continuation
Priority: 9 Apr 2004
Published: US 2011/0041855 A124 Feb 2011
Granted: 24 Jun 2014
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

A61M 16/0066
Pumps therefor: blowers or centrifugal pumps
A61M 16/06
Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators ; Tracheal tubes: respiratory or anaesthetic masks
A61M 16/0666
Respiratory or anaesthetic masks: nasal cannulas or tubing
A61M 16/0683
Respiratory or anaesthetic masks: holding devices therefor

Family

Application60/560,610Us provisional application · filed 9 Apr 2004
Application60/632,193Us provisional application · filed 2 Dec 2004
Application11/101,657Parent of this continuation · filed 8 Apr 2005
US 2011/0041855 A1Pre-grant publication · published 24 Feb 2011
US 7,942,150 B2Parent of this continuation
US 2005/0241644 A1Published application
US 8,757,162 B2This patent

From the US filing history. Foreign family members aren’t listed.