Abstract: Securement arrangements for use in securing a patient interface to the skin of a patient include a substrate material having a first surface and an adhesive material disposed on the first surface. The locations of the adhesive material are varied so as to minimize repetitious adherence of the adhesive material to the patient during repeated applications.

Abstract: A coupling arrangement for use in an air delivery circuit includes a first connector tube defining a first passage therethrough and a second connector tube defining a second passage therethrough. The second connector tube telescopically receives a portion of the first connector tube within the second passage. A release mechanism includes wedges coupled to the first or second connector tube. The first and second connector tubes have a number of corresponding features that latch the first connector tube within the second passage of the second connector tube when the first connector tube is axially inserted along the longitudinal axis a predetermined distance. Actuation of the wedges radially toward the longitudinal axis causes axial movement among the first connector tube and the second connector tube a second predetermined distance that is sufficient to unlatch the corresponding features.

Abstract: An exhaust diffuser arrangement includes: a housing; a cavity defined within the housing, the cavity being sized and configured to house a diffuser element therein; an inlet defined in the housing, the inlet structured to communicate gases from a main cavity to the diffuser cavity; and an outlet defined in the housing, the outlet structured to communicate gases from the diffuser cavity to an exterior environment. The housing is formed from an elastic material adjacent the outlet such that the housing, and thus the outlet, is elastically deformable from: a first sizing wherein the outlet is structured to prohibit the diffuser element from passing therethrough and thus the diffuser element is captively positioned within the cavity; and a second sizing in which the outlet is structured to allow the diffuser element to readily pass through the outlet for placing the diffuser element in or from the cavity.

Abstract: An exhaust diffuser arrangement includes: a housing; a cavity defined within the housing, the cavity being sized and configured to house a diffuser element therein; an inlet defined in the housing, the inlet structured to communicate gases from a main cavity to the diffuser cavity; and an outlet defined in the housing, the outlet structured to communicate gases from the diffuser cavity to an exterior environment. The inlet and the outlet are coaxially aligned.

Abstract: A sealing arrangement for use in a patient interface device. The sealing arrangement includes a nasal pillow having a sealing surface structured to sealingly engage a surface of the patient at or about the airway. A first magnetic material is disposed in or the nasal pillow. A carrier member is positioned across a nose of the patient. Finally, a second magnetic material is positioned in or on carrier member. The first magnetic material and the second magnetic material magnetically interact in a manner that the sealing surface of the flexible member toward the surface of the patient responsive to the flexible member being disposed at or about the airway and the second magnetic material is disposed at a corresponding position to interact with the first magnetic material.

Abstract: A patient interface for use in delivering a flow of breathing gas to an airway of a patient. The patient interface includes a front portion and a rear portion coupled to the front portion. The front portion and the rear portion together define a cavity therebetween which is structured to receive the flow of breathing gas. The rear portion includes a support layer disposed directly adjacent the cavity, the support layer having a region having a plurality of first thru-holes structured to receive the flow of breathing gas from the cavity. The rear portion further includes a patient engaging layer structured to engage the patient at or about the airway of the patient, the patient engaging layer including at least a second thru-hole structured to receive the flow of breathing gas from the plurality of first thru-holes.

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: 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 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: 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 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 system for aligning a patient interface for use in delivering a flow of a breathing gas to the airway of a patient with an adhesive arrangement that is structured to secure the patient interface to the patient. The system includes a base that is structured to be disposed on a surface, the base having a central member protruding upward from the base to a contoured surface. The central member includes a pair of protruding alignment elements that extend further upward from the contoured surface and which are sized and structured to engage apertures in both of the adhesive arrangement and the patient interface in a manner which aligns such components with each other.

Abstract: A sealing arrangement for use in a patient interface device. The sealing arrangement includes a nasal pillow having a sealing surface structured to sealingly engage a surface of the patient at or about the airway. A first magnetic material is disposed in or the nasal pillow. A carrier member is positioned across a nose of the patient. Finally, a second magnetic material is positioned in or on carrier member. The first magnetic material and the second magnetic material magnetically interact in a manner that the sealing surface of the flexible member toward the surface of the patient responsive to the flexible member being disposed at or about the airway and the second magnetic material is disposed at a corresponding position to interact with the first magnetic material.

Abstract: An adhesive arrangement for use in securing a patient interface to the face of a patient includes a substrate material having a first surface that is structured to face the patient and a second surface opposite the first surface. The substrate material includes a number of tabs, each tab projecting outward from a main portion of the substrate material. The adhesive arrangement further includes an adhesive material disposed on the first surface of the substrate material. Each of the tabs is sized and configured to be folded back onto a corresponding portion of the main portion of the substrate material and coupled thereto by the adhesive material.

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.

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 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 patient interface device includes a cushion defining a cavity therein, the cushion having a first side and an opposite second side. An aperture is formed in the second side and provides access to the cavity, the aperture having a periphery adapted to sealingly engage about the nostrils of a patient when the cushion is disposed on the face of a patient. The patient interface device further includes a pair of stabilizing members coupled to, and extending from, the cushion, each stabilizing member being adapted to contact the face of the patient in the adjacent nasal region below the orbital bone ridge in such a manner that strapping forces, which would otherwise be directed near the nares of the patient, are instead concentrated onto the patient's maxilla.

Abstract: A method of creating a custom color adhesive securement arrangement for use with a patient interface includes performing a scan of a patient's face, extracting color values of a portion of the patient's face from the scan, determining one or more colors based on the extracted color values, obtaining an adhesive sheet having the one or more colors, and cutting the securement arrangement from the adhesive sheet.

Abstract: A headgear for use with a patient interface for providing a flow of pressurized breathing gas to the airway of a patient is produced from straps with a fit adjustment mechanism that incorporates a slide-through design using slots cut into the straps. The slide-through design eliminates pressure points that can result from hardware and facilitates easier adjustments by patients with dexterity issues.