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: A respiratory interface system for use in delivering a flow of a positive pressure breathing gas to an airway of a patient that includes a patient interface device with a tubing assembly structured to be disposed on the head of the patient, a mask having a sealing element structured to sealingly engage about the airway of the patient, and an adaptor. The adapter includes a flange portion that extends generally radially outward from a central aperture and a hollow male connector extending from the flange portion and coupled with a correspondingly-shaped female connector of the tubing assembly or the mask. The mask is coupled to the tubing assembly via the adaptor, and the tubing assembly, the mask, and the adapter define a pathway structured to conduct the flow of the positive pressure breathing gas to the airway of the patient.

Abstract: A patient interface face contact element includes a surface for contacting the face of a patient and a connection face for coupling the patient interface face contact element to a support using a magnetic coupling. The support is also provided as well as the complete patient interface. Headgear strap clips can also be retained magnetically.

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 coupling arrangement for use in securing a patient interface to the head of a patient. The fastening arrangement includes a first component having a source of a magnetic field and a second component having a mating component attracted to the source by the magnetic field. One or both of the source and/or a portion of the first component is moveable among: a shielded positioning wherein the source is shielded such that the maximum strength of the magnetic field outside of the first component is less than a predetermined value, and an unshielded positioning wherein the source is unshielded such that the maximum strength of the magnetic field outside of the first component is greater than or equal to the predetermined value.

Abstract: A retention assembly is for a patient interface device. The patient interface device includes a cushion member structured to engage a face of a patient. The retention assembly includes: a retention member structured to be coupled to the cushion member; a headgear member; a first interconnect member removably coupled to the retention member; and a second interconnect member removably coupled to the headgear member. The second interconnect member is removably coupled to the first interconnect member in order to couple the headgear member to the retention member.

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 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 device includes a frame having a central portion with a patient facing side, an opposite outward facing side, a first plurality of magnetic elements secured on or in the patient facing side, and a first aperture defined therethrough. The first aperture having a first portion extending from the outward facing side toward the patient facing side which is structured to be coupled to a delivery conduit and a patient side portion defined by a wall which extends outward from the patient facing side forming a hub. The device further includes a cushion having a patient contacting side which is structured to sealingly engage about an orifice or orifices of a patient, an opposite frame contacting side including a second aperture defined therein which is sized and configured to engage about the hub, and a second plurality of magnetic elements for magnetically coupling the cushion to the frame.

Abstract: A mask for use in providing a flow of a treatment gas to the airway of a user. The mask includes a frame and a conformable seal which is structured to sealingly engage about at least one of at least a portion of nose or mouth of the user. The frame includes a front face and a concave shaped rear face which faces the user when the mask is disposed on the user's face. The rear face defines a cavity which is structured to receive at least one of a portion of a nose and/or mouth of the user therein. The frame also includes a number of deformable zones, each deformable zone being structured to receive a removable insert. Each deformable zone is structured to adapt to at least one of a size or shape of the removable insert received therein.

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 mask for use in providing a flow of a treatment gas to the airway of a user. The mask includes a frame and a conformable seal which is structured to sealingly engage about at least one of at least a portion of nose or mouth of the user. The frame includes a front face and a concave shaped rear face which faces the user when the mask is disposed on the user's face. The rear face defines a cavity which is structured to receive at least one of a portion of a nose and/or mouth of the user therein. The frame also includes a number of deformable zones, each deformable zone being structured to receive a removable insert. Each deformable zone is structured to adapt to at least one of a size or shape of the removable insert received therein.

Abstract: A mask for communicating a flow of breathing gas to an airway of a patient. The mask includes a patient interface having a faceplate and a cushion. The cushion has a first end coupled to the faceplate and an opposite second end for sealingly engaging a portion of the patient's face about one or more airways of the patient. A frame includes a first arm member having a first end coupled to the patient interface via a first coupling arrangement and an opposite second end coupleable to a headgear, and a second arm member having a first end selectively coupled to the patient interface via a second coupling arrangement and an opposite second end coupleable to the headgear. The second coupling arrangement requires a lessor uncoupling force to uncouple than the first coupling arrangement.

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 method of determining facial metrics of a patient includes: capturing a first image of the patient with an image capturing device positioned in a first known position with the assistance of a positioning device, capturing a second image of the patient with the image capturing device positioned in a second known position different that the first known position with the assistance of the positioning device, and determining facial metrics of the patient by analyzing the first image and the second image.

Abstract: A tubing assembly for use with a patient interface device includes a manifold portion structured to be coupled to a conduit carrying a flow of breathing gas and a number of tubular portions. Each tubular portion extends from the manifold portion to a distal end which is structured to be coupled to the patient interface device. Each tubular portion is structured to communicate the flow of breathing gas from the manifold portion to the patient interface device. Each tubular portion comprises an adjustment element which provides for a characteristic of the tubular portion to be selectively varied.

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 tubing assembly for use with a patient interface device includes a manifold portion structured to be coupled to a conduit carrying a flow of breathing gas and a number of tubular portions. Each tubular portion extends from the manifold portion to a distal end which is structured to be coupled to the patient interface device. Each tubular portion is structured to communicate the flow of breathing gas from the manifold portion to the patient interface device. Each tubular portion comprises an adjustment element which provides for a characteristic of the tubular portion to be selectively varied.

Abstract: A patient interface for use in delivering a flow of a breathing gas to an airway of a patient includes an inner mask having an inner cushion with an inward curving inner sealing portion that is structured to sealingly engage the face of the patient, and an outer mask coupled to the inner mask. The outer mask has an outer cushion with an outward curving outer sealing portion that is structured to sealingly engage the face of the patient completely around, and outward from, the inner sealing portion of the inner mask. The inner mask is sized and configured to define a positive pressure cavity for receiving the flow of breathing gas and convey the flow to the airway of the patient. The outer mask is sized and configured to define a negative pressure cavity that encompasses the inner mask and capture any gases escaping the inner mask.