Fisher & Paykel Healthcare Limited

New York University

Mark John Arrowsmith

Christopher Earl Nightingale

Andrew John Partington

Sophia Adele Johnson

Vitaly Kapelevich

David M Rapoport

Donald Roy Kuriger

Melissa Catherine Bornholdt

Gregory James Olsen

Max Leon Betteridge

Tony William Spear

Hamish Joshua Rose

Peter Kenneth Graham

Simon Mittermeier

Matthew James Pedersen

Sujeewa Wannigama

Campbell Neil Addison Martin

David Cumin

Andrew Paul Maxwell Salmon

Tak-Ming Chung

Erwin J Meyer

A valve with an internal member is disclosed which allows exhaled carbon dioxide to escape from a breathing circuit when the circuit gas pressure drops below a threshold pressure. The valve operates by occluding one or more ports under a relatively high pressure and opening the one or more ports under a relatively low pressure. The internal member is attached to the body of the valve at two or more locations on the internal member. The internal member moves in a direction perpendicular to the gas flow through the valve.

Valve with internal member

Mask assemblies, breathing circuits and related components include configurations for reducing condensation within the mask and/or inhibiting or preventing condensation from coming into contact with a user of the mask. The mask assemblies can incorporate heating elements (such as heating coils), insulating spaces or barrier layers.

Patient interfaces with condensation reducing or compensating arrangements

A respiratory mask for providing positive pressure therapy and a bias-flow venting system configured to reduce discernable draft generated by exhausted air are disclosed herein. The respiratory mask has a ball jointed elbow, one or more detachable forehead pieces and a headgear with a spacer fabric region. The elbow is configured to be removable when oriented to a predetermined position. The forehead pieces are provided in one or more sizes. The spacer fabric region having two or more layers wherein the raw edges are turned to the inside of the layers. The seal having improved seal performance and accommodating a wider variety of facial geometries. The bias-flow system having a tube and exhaust holes radially aligned on a bead of the tube. The bias-flow system also having an annular component exhaust holes and a shroud having a plenum chamber around the exhaust holes.

Respiratory mask and related portions, components or sub-assemblies

A system, apparatus and methods are provided for supplying gases to a user. The supply includes a sub-therapeutic mode and a pressure support mode for delivering therapy to a user. A flow diversion device or valve switches from a first mode corresponding with the sub-therapeutic mode of the system to a second mode corresponding with the pressure support mode of the system. In the first mode, the valve opens a larger flow path between the interior of the user interface and ambient air than in the second mode.

System, apparatus and methods for supplying gases

System, apparatus and method for supplying gases

A radiant energy sensor is adapted to detect radiant heat energy incident on a surface. The energy sensor has a body portion with a pair of sides. A temperature sensor is located on each side of the body portion. In use the body portion is mounted on the surface such that one of the sensors is located between the body portion and the surface, thereby being masked by the body portion from heat energy otherwise incident on the surface.

Energy sensor

Growing community of inventors

Auckland, New Zealand

Mark John Arrowsmith