Abstract: An electronic apparatus includes a compilation unit structured to receive a plurality of different 3-D models of a patient's face, to compare the different 3-D models of the patient's face and to determine additional information about the patient's face based on the comparison, wherein the additional information includes at least one of a location of hard tissue, a depth of soft tissue, and a compliance of soft tissue, and wherein the patient's face is manipulated between the different 3-D models.

Abstract: The present invention relates to a sealing cushion (24) for a patient interface (16), wherein the cushion (24) comprises a nose bridge contacting area (40) that is configured to contact a nose bridge of a patient (12) during use of the cushion (24), wherein the nose bridge contacting area (40) comprises a material having a secant stiffness of less than 0.45 N/mm at a material strain between 0.1 and 1, wherein the secant stiffness is defined as tensile force applied to the material per unit width of the material divided by the material strain, wherein the material strain denotes a ratio of material extension in length per unit of original length of the material.

Abstract: A seal for a respiratory mask that includes a first end portion adapted to be coupled to a mask shell, a second end portion for sealing engagement with a face of a patient, and a sidewall extending between the first end portion and the second end portion. At least a portion of the second end portion includes a textured area having a predetermined pattern. The area of increased surface roughness provides the patient contacting portion of the seal with a silky feeling to maximize patient comfort and the effectiveness of the seal without impairing the sealing ability.

Abstract: A system (2) including a geometric fit score database (360) configured to store a plurality of 3-D models of faces and a pre-calculated geometric fit score for each of one or more patient interface devices for each of one or more of the faces, and a first processing unit (380) including a match finding unit (382) configured to match the 3-D model of the patient's face with one or more of the stored 3-D models of faces and to use the pre-calculated geometric fit score for each of the one or more of the patient interface devices for the one or more matched faces to determine the geometric fit score for each of the one or more patient interface devices for the patient's face.

Abstract: The present application relates to a device for cutting hair comprising a skin contacting face (3) that is placed against a surface of the skin (6) of a user during use. The device also has an optical system configured to direct a cutting laser beam (8) across a cutting zone (5) parallel to and spaced from said skin contacting face to cut hairs extending into the cutting zone. Also provided is a laser positioning mechanism which is arranged so that, during use of the device, the distance (H1) between said cutting laser beam and said skin contacting face is changed to maintain a predetermined distance between the cutting laser beam and the surface of the skin of a user.

Abstract: A patient interface device uses a pressure flap which extends inwardly from an outer edge of a mask of the device. The pressure flap is for contacting the skin of the patient to provide a seal or partial seal between the mask volume and the ambient surroundings. The pressure flap comprises a cavity area which is exposed to a reduced pressure compared to the mask volume. This assists in keeping the pressure flap pressed against the patient's skin, and thereby maintain a large contact area. This in turn gives a reduction in local high pressure areas.

Abstract: An electrode configured to provide electrical contact with a subject's skin and includes a conductive layer and a gel layer. The conductive layer spreads current and transmits electrical signals to and/or receives electrical signals from the subject's skin and has a first conductive surface through which electrical signals are transmitted to and/or received from the subject's skin. The first conductive surface is on a side of the conductive layer that faces toward the subject's skin if the electrode is installed on the subject. The gel layer is formed on the same side of the conductive layer as the first conductive surface. The gel layer has a first interface surface that directly contacts the subject's skin if the electrode is installed on the subject, and to conduct electrical signals between the subject's skin and the first conductive surface. The first interface surface has a surface area larger than that of the first conductive surface.

Abstract: The present invention relates to a patient interface and a patient interface system comprising a responsive material and a method for preventing the formation of red marks due to wearing a patient interface (10) that is pressing against the skin of a patient (14) for a longer time and/or for reducing air leakages of the patient interface (10) that may result from an unintended shift of the patient interface (10) on the patient's face. The responsive material is configured for alternating the pressure exerted by the cushion element (18, 26) on the patient (14), and/or the area on the patient where the pressure is exerted by the cushion element in response to a physical quantity acting on the responsive material. The formation of red marks and of air leakages can be reduced or even avoided by means of the responsive material.

Abstract: The present invention relates to a detector, a patient interface and a patient interface system comprising this detector, and a method for preventing the formation of red marks due to the wearing of a patient interface (12) that is pressing against the skin of the patient (18) for a longer time. With the detector and via the method, the blood flow and/or the occlusion of the blood vessels of the patient (18) are monitored, and the assessed degrees are used as a basis to adjust the patient interface (12) in order to reduce the force pressing against the skin of the patient (18), such that the formation of red marks is prevented.

Abstract: A patient interface device includes an elastomeric contacting portion that is structured to directly engage the skin of the user. The contacting portion has an engineered surface that includes a plurality of non-random, predesigned surface features designed to reduce friction and improve user comfort. In one implementation, the pitch between each immediately adjacent pair of the surface features is less than or equal to a predetermined maximum pitch value, and the height of each of the surface features is less than or equal to a predetermined maximum height value.

Abstract: An apparatus structured to contact external tissue, such as skin, of a user includes an elastomeric contacting portion that is structured to directly engage the external tissue. The contacting portion has an engineered surface (64A, 64B) that includes a plurality of non-random, predesigned surface features (70, 74B, 76B, 78B) designed to reduce friction and improve user comfort. In one implementation, the pitch (P) between each immediately adjacent pair of the surface features (70, 76B) is less than or equal to a predetermined maximum pitch value, and the height (H) of each of the surface features (70, 76B) is less than or equal to a predetermined maximum height value.

Abstract: A cushion member for a user interface device is provided. The cushion member is structured to provide a load distribution functionality responsive to the cushion member being donned by the user, wherein at least a portion of the cushion member has a local stiffness of less than or equal to 100 kPa/mm responsive to a stress increase on the cushion member of 1 kPa-15 kPa.

Abstract: A patient interface device is described for delivering a gas to a patient, the patient interface comprising a fastening means for fastening the patient interface to the user, the fastening means consisting of an element adapted for engaging the user's nose during use, wherein the fastening means is adapted for being fixed to said nose by exerting a pressure on said nose substantially in the width direction of said nose; and associated method.

Abstract: A seal for a respiratory mask that includes a first end portion adapted to be coupled to a mask shell, a second end portion for sealing engagement with a face of a patient, and a sidewall extending between the first end portion and the second end portion. At least a portion of the second end portion includes a textured area having a predetermined pattern. The area of increased surface roughness provides the patient contacting portion of the seal with a silky feeling to maximize patient comfort and the effectiveness of the seal without impairing the sealing ability.

Abstract: A seal for a respiratory mask that includes a first end portion adapted to be coupled to a mask shell, a second end portion for sealing engagement with a face of a patient, and a sidewall extending between the first end portion and the second end portion. At least a portion of the second end portion includes a textured area having a predetermined pattern. The area of increased surface roughness provides the patient contacting portion of the seal with a silky feeling to maximize patient comfort and the effectiveness of the seal without impairing the sealing ability.

Abstract: A seal for a respiratory mask that includes a first end portion adapted to be coupled to a mask shell, a second end portion for sealing engagement with a face of a patient, and a sidewall extending between the first end portion and the second end portion. At least a portion of the second end portion includes a textured area having a predetermined pattern. The area of increased surface roughness provides the patient contacting portion of the seal with a silky feeling to maximize patient comfort and the effectiveness of the seal without impairing the sealing ability.

Abstract: A display arrangement includes a cathode ray tube, inside which tube a mask with at least one curved outer edge is located. The mask is at least partly attached by at least part of the curved edge to the tube by means of at least a diaphragm arrangement. The diaphragm arrangement includes at least one diaphragm part in the form of an elongated folded sheet including a straight fold, said sheet extending from the straight fold to a curved fold and from the curved fold to a curved part of the sheet for attaching to the curved mask edge. Preferably, the straight fold has a varying folding angle and the curved fold follows a curve which enables the transition from the straight fold to the curved fold to provide a folded sheet which is free from inherent mechanical stress.

Abstract: A display arrangement comprises a cathode ray tube, inside which tube a mask with at least one curved outer edge is located. The mask is at least partly attached by at least part of the curved edge to the tube by means of at least a diaphragm arrangement. The diaphragm arrangement comprises at least one diaphragm part (300) in the form of an elongated folded sheet comprising a straight fold (302), said sheet extending from the straight fold to a curved fold (304) and from the curved fold to a curved part (305) of the sheet for attaching to the curved mask edge. Preferably, the straight fold has a varying folding angle and the curved fold follows a curve which enables the transition from the straight fold to the curved fold to provide a folded sheet which is free from inherent mechanical stress.

Abstract: A cathode ray tube having a tensioned shadow mask with elongated holes, i.e. holes with a length longer than 5 mm. The pattern of holes repeats itself after 5 or more rows and the relation between the number of rows after which the pattern repeats itself, the vertical pitch av and the horizontal pitch dh is given by av/dh≦n2≦8av/dh, most preferably n2≈2av/dh.