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: The invention relates to a method of separating oxygen from an oxygen comprising gas, the method comprising the steps of: performing at least a first and a second period of oxygen separation, the first and the second period of oxygen separation each comprising the steps of guiding an oxygen comprising gas to the primary side of an oxygen separation device (12, 14), the oxygen separation device (12, 14) comprising an oxygen separation sorbent (16, 18), and generating a flow of oxygen enriched gas out of the oxygen separation device (12, 14) by creating a pressure difference between the primary side and the secondary side of the oxygen separation device (12, 14), and performing a cooling period between the first and the second period of oxygen separation, wherein the cooling period comprises the steps of guiding a flushing sorbate through the oxygen separation device (12, 14), the flushing sorbate having an adsorption energy e1 with respect to the oxygen separation sorbent (16, 18), and guiding a cooling sorbat

Abstract: The invention relates to an oxygen separation device (12, 14), comprising a gas inlet (29, 31) at a primary side for guiding a flow of oxygen comprising gas into the oxygen separation device (12, 14) and having a gas outlet (33, 35) at a secondary side for guiding a flow of oxygen enriched gas out of the oxygen separation device (12, 14), at least one oxygen separation area (20, 22) with an oxygen separation sorbent (16, 18) being capable of separating oxygen from an oxygen comprising gas by sorbing at least one component of the oxygen comprising gas apart from oxygen and being contaminatable by a contaminant, and a decontamination area (21, 23) with a decontamination material(17, 19) for decontaminating the oxygen comprising gas from at least one contaminant, wherein the oxygen separation area (20, 22) and the decontamination area (21, 23) are fluidly connected by a spacer (76, 78) comprising at least one diffusion reducing channel (80, 82), wherein the spacer (76, 78) has a value of diffusion reduction rR o

Abstract: The present invention relates to a heating device. In order to allow heating essentially without any latency period and with low costs, the heating device comprises: at least one container (12) having an inlet opening (14) and an outlet opening (16) and comprising an adsorbent agent (18) being provided between said inlet opening (14) and outlet opening (16) and being capable of adsorbing an adsorbate thereby releasing adsorption energy; and a gas conveying device (21) for conveying an adsorbate comprising gas through the interior of the container (12); wherein a gas conduit (22) is provided being connected to the outlet opening (16) of the container (12) for guiding the gas heated by adsorption energy inside the container (12) to a location to be heated with elevated temperature. The present invention further relates to a heating method.

Abstract: A number of user interface device embodiments are disclosed that provide for increased cooling of the skin covered by the mask and/or increased flushing of gasses, including CO2, from the mask.

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: The present invention relates to an arrangement for separating oxygen from an oxygen containing gas. It comprises a membrane unit (12), and an electrode unit (24). The membrane unit (12) comprises a porous substrate (20), a dense membrane (14) and at least one electrode (18), wherein the porous substrate (20) is directed towards the electrode unit (24), and wherein the electrode unit (24) comprises at least one electrode comprising at least one rotatable electrode wing (26) being at least partially electrically conductive. An arrangement according to the invention allows to separate oxygen with improved efficiency and improved convenience with respect to maintenance and noise.

Abstract: The present invention relates to an electronic component, that comprises, on a substrate, at least one integrated MIM capacitor, (114) an electrically insulating first cover layer (120) which partly or fully covers the top capacitor electrode (118) and is made of a lead-containing dielectric material, and a top barrier layer (122) on the first cover layer. The top barrier layer serves for avoiding a reduction of lead atoms comprised by the first cover layer under exposure of the first cover layer to a reducing substance. An electrically insulating second cover layer (124) on the top barrier layer has a dielectric permittivity smaller than that of the first cover layer establishes a low parasitic capacitance of the cover-layer structure. The described cover-layer structure with the intermediate top barrier layer allows to fabricate a high-accuracy resistor layer (126.1) on top.

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 presence detection system (1) for detecting a presence of an object (3), particularly a person or an animal or vehicle, within an area (5) divided in detection zones (9A;9B;9C;9D) covering the area. The system comprises a movement detection device (11A;11B;11C;11D) for detecting a movement of the object. The system further comprises an electronic processing device (13) for storing information relating to a position of the object in a zone-wise way, based on a detected movement of the object. The electronic processing device is configured for determining the presence of the object within the area based on a detected movement of the object and stored information relating to the position of the object. The system is highly sensitive and highly prevents false presence detections. The invention also relates to a method for presence detection, and a lighting system comprising the presence detection system.

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 device and method determining or measuring a biological, physical or physiological parameter of an object includes a flexible carrier configured to be placed in a vicinity of the object; and at least one a sensor element attached to the flexible carrier and configured to determine at least one biological, physical or physiological parameter. In addition, a heating element is attached to the flexible carrier and configured to provide heat to the object; and a degradable adhesive is arranged on the flexible carrier adjacent to the heating element and configured to at least temporally affix the flexible carrier to the object.

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: This invention relates to medical, health care and non-medical devices comprising a rubbery or elastomeric polymer material taking up more than 5% by weight of water and at most 500% by weight of water after immersion in demineralized water at room temperature for a sufficient time to reach saturation. The material may be in the form of a foam, or in the form of a coating adapted for adhesion to a substrate, or in the form of a sheet, or in the form of a fiber, and may comprise: —repeating units from one or more hydrophobic organic monomers, and —repeating units from one or more monomers (a) being modified with one or more hydrophilic side groups.

Abstract: Skin-contact products with a transpiration function such as medical devices or medicinal products, of which face masks, aspirators, ventilators, breast pumps or wound dressings are examples are described especially a skin-contact product with a transpiration function with an improved microclimate at a patient interface material-skin contact area. In an embodiment a material system (10, 20, 30) is described that comprises a hydrophobic silicone base material (11, 21, 31) and a hydrophilic silicone material (12, 22, 32) that is combined with the hydrophobic base material (11, 21, 31). At least a part of the hydrophilic material (12, 22, 32) is in contact with a moist surface (50). The hydrophobic base material (11, 21, 31) provides mechanical and dynamical stability of the material system (10, 20, 30). The hydrophilic material (12, 22, 32) allows for uptake or for diffusion of moisture away from moist surface (50).

Abstract: This invention relates to a rubbery or elastomeric polymer material taking up more than 5% by weight of water and at most 500% by weight of water after immersion in demineralized water at room temperature for a sufficient time to reach saturation, comprising: (a) repeating units from one or more hydrophobic organic monomers, and (b) repeating units from one or more monomers (a) being modified with one or more hydrophilic side groups. The rubbery or elastomeric polymer material may be in the form of a sheet, a foam, a coating adapted for adhesion to a substrate, or a fiber. This invention also relates to processes, polymerizable compositions, and foaming compositions for producing such rubbery or elastomeric polymer materials.

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 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: The present invention relates to a method of generating oxygen. The method addresses the objects of reducing the servicing work and improving the purity of the generated oxygen. According to the invention, the method comprises the steps of: providing an oxygen comprising gas at a primary side of a dense voltage drivable membrane (12); applying a voltage between a conductive element at the primary side of the membrane (12) and a conductive element at a secondary side of the membrane (12), the conductive elements being electrically connected to the membrane (12), wherein a plasma (18, 20) is generated at at least one of the primary side and the secondary side of the membrane (12), the plasma (18, 20) being used as conductive element.