Abstract: A wearable device (8,60,70,86) structured to exert a contact pressure between the wearable device and a skin surface of a wearer, such as a patient interface device for delivering a flow of breathing gas to a patient, includes a first member (18,72,96), such as a faceplate member, structured to have a first pressure applied thereto, a contact member (14,74), such as a sealing cushion, structured to exert the contact pressure against the skin surface in response to the first pressure, and a support member (20,62,78) positioned between the first member and the contact member, the support member including a plurality of compression members (40,52,54,64,84), wherein each of the compression members is structured to buckle in response to a compression force having at least a first predetermined level being applied to the support member.

Abstract: A minimal weight patient interface device that delivers breathing gas to a user includes a cushion assembling including a support cushion assembly and a sealing member is described herein. In one exemplary embodiment, the support cushion assembly includes a wedge that is made of a high density foam received within a wedge receiving portion of the support cushion assembly. In the exemplary embodiment, the cushion assembly is formed by the sealing member fitting over the support cushion assembly. The sealing member, in one embodiment, is made of silicone, for example, having a low durometer value (e.g., between 5-10 Shore 00). Furthermore, in one embodiment, the patient interface device also includes a faceplate that is placed over the cushion assembly and is made of a thermoform, such as a high density foam laminated between two pieces of fabric, such as polyester.

Abstract: A fluid coupling member includes a housing having an interior and an exterior, the interior of the housing defining an airflow path through the fluid coupling member, a valve member pivotally attached to the interior of the housing, and at least one protrusion formed on the valve member or the housing. The at least one protrusion is structured to prevent the valve member from becoming stuck in a downward folded position against the housing.

Abstract: A headgear component for a patient interface device includes a member having a first surface and a second surface opposite the first surface, the member including at least one of a textile material and a foam material, the member having a plurality of vent holes extending therethrough, and a plurality of moisture wicking members provided on the first surface, the moisture wicking members covering the vent holes and being made of a hydrophilic material.

Abstract: An interface device comprises a cushion and a shell coupled thereto which together define an interior space with the face of a user. The shell includes an inlet port structured to have a conduit carrying a flow of treatment gas to the interior space selectively coupled thereto and a first aperture structured to allow the passage of ambient air into the interior space. A first sealing member is operatively coupled to the shell and is positioned such that the first sealing member is movable between a first state in which the first sealing member substantially seals the first aperture, and a second state wherein the sealing member does not substantially seal the first aperture. The first sealing member moves between the first state and the second state responsive to breathing of the patient.

Abstract: An apparatus including a patient interface device formed from a flat substrate that is folded, wherein the patient interface device includes a plurality of seams where sections of the substrate are joined together, and wherein one or more of the plurality of seams form a shape that corresponds to a perimeter of a bottom side of a nose from a first alare corner of the nose to a tip of the nose to a second alare corner of the nose.

Abstract: A method of selecting or generating a design for a component of a patient interface device, the method including receiving a scan of at least a portion of a patient's face, receiving preference information about the patient, and generating a custom design or selecting a preexisting design for the component of the patient interface device based on the scan of at least a portion of the patient's face and the preference information, wherein a size or shape of the generated custom design for the component or selected preexisting design for the component is based on the preference information.

Abstract: A respiratory interface device is provided. The respiratory interface device includes a patient interface device, a patient circuit, and a pressure generating assembly. Pressure generating assembly includes a first pressure generating device and a second pressure generating device. Patient circuit includes a reduced conduit.

Abstract: A subnasal sealing cushion for a patient interface device includes a cushion member having a front side and a rear side, the rear side being structured to face a face of the user responsive to the patient interface device being donned, the cushion member including: a support portion having an outer wall and a support structure coupled to the outer wall and extending longitudinally along a first direction extending from the front side to the rear side, and a sealing flap portion coupled a nasal shelf portion, the nasal shelf portion defining a nasal orifice and being structured to contact a bottom of a nose of the user to create a seal therewith responsive to the patient interface device being donned by the user, wherein the support structure is positioned under and spaced from a bottom of the nasal shelf portion.

Abstract: A valve arrangement includes a first member formed from a pliable material, the first member having at least one aperture defined therethrough. The valve arrangement also includes a second member coupled to the first member, the second member formed from another pliable material. The second member is movable from: a first position in which the second member is sealingly engaged about a periphery of the at least one aperture, thus preventing passage of a fluid through the aperture, and a second position in which at least a portion of the second member is spaced from the periphery of the aperture such that the fluid is able to pass through the aperture.

Abstract: A headgear assembly includes a first arm member and a second arm member each having a first end and a second, opposing end. The first end of the first arm member has a structure sized and configured to engage a first rotation-resistant coupling of a frame in a manner which prohibits rotation of the first arm member with respect to the frame in a first plane in which the first arm member is located. The first end of the second arm member has a structure sized and configured to engage a second rotation-resistant coupling of the frame in a manner which prohibits rotation of the second arm member with respect to the frame in a second plane in which the second arm member is located. The assembly further includes a strap member coupled to the first and second arm members.

Abstract: A patient interface device that overcomes the shortcomings of conventional patient interface devices is provided. One embodiment of the patient interface device provides a cushion for a patient interface device that includes a first end portion structured to contact a portion of a patient's face. The first end portion includes an inner, first surface, an outer, second surface and at least one pocket disposed between the first end portion first surface and the first end portion second surface.

Abstract: An interface device is structured to be connected in fluid communication with a source of breathing gas and to provide a flow of breathing gas to the airways of a patient. The interface device includes a support (24), a deformable portion (28) situated on the support, and an interface portion (32) situated on the deformable portion and being structured to be engaged with the patient in the vicinity of the airways, with the deformable portion including a plurality of deformable elements (36) that form a lattice structure and that are connected with the support at a plurality of spaced apart points of connection (44) on the support. The interface device may be formed via an additive manufacturing process.

Abstract: A frame for use in an interface device for delivering a flow of treatment gas to the airway of a patient includes a first and second frame members, each having a first end structured to be coupled to a conduit supplying the flow of treatment gas and an opposite second end structured to be coupled to a sealing assembly. Each frame member has a passage defined therein which extends between the first end and the second end thereof. The first frame member is disposed on a first side of a reference plane which passes through the sealing assembly and the second frame member is disposed on a second side of the reference plane opposite the first side. At least one of the first frame member and the second frame member is biased toward the other of the first frame member and the second frame member.

Abstract: A coupling assembly for a respiratory interface device support assembly and a respiratory interface device mask is provided. The respiratory interface device support assembly has at least one strap structured to be coupled to each lateral side of the respiratory interface device mask. The coupling assembly includes a first rotatable coupling component structured to be coupled to the support assembly and having a first rotation limiting structure, and, a second rotatable coupling component structured to be coupled to the mask and having a second rotation limiting structure. When coupled, the first rotatable coupling component first rotation limiting structure and the second rotatable coupling component first rotation limiting structure limit the rotation of the first rotatable coupling component relative to the second rotatable coupling component.

Abstract: A respiratory interface device provides a support cushion (15) including a cushion body (20) and at least two inserts (50). The cushion body has a plurality of stiffener passages (22). The at least two inserts are stiffening inserts shaped to correspond to the stiffener passages. The cushion body is made from a first material having a first hardness. One of the at least two inserts is made from a first material, having substantially the same first hardness as the cushion body, and the second insert is made from a second material having a second hardness, the second hardness being different than the first hardness.

Abstract: An interface device for delivering a flow of a treatment gas to an airway of a patient includes: a conductive element positioned on a surface such that the conductive element directly contacts the patient when the interface device is positioned on the patient for delivering the flow of the treatment gas to the airway of the patient; and a conductive pathway extending from a first end which is electrically connected to the conductive element to an opposite second end which is structured to be electrically connected to earth ground.

Abstract: A sealing arrangement (20) for use in a patient interface device (18). The assembly includes a flexible member (30) having a sealing surface (30A) structured to engage a surface of the patient at or about the airway, a first magnetic material disposed in or on the flexible member, and a second magnetic material (36) positioned in one or more of a carrier member structured to be removably positioned on, in, or about the patient, and a portion of the patient interface device. The first and second magnetic materials are positioned and structured to magnetically interact in a manner which urges the sealing surface toward the surface of the patient when the flexible member is disposed at or about the airway and the second magnetic material is disposed at a corresponding position.