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Mask/face sealing structure

Subclass of:

128 - Surgery

128200240 - RESPIRATORY METHOD OR DEVICE

128206210 - Face mask covering a breathing passage

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
128206260 Closed air-filled passage adjacent mask edge (e.g., tubular bead, etc.) 11
128206250 Adhesive 7
Entries
DocumentTitleDate
20080314389Forehead support for a facial mask - A respiratory mask includes a mask frame, a forehead support provided to the mask frame and including a forehead member, and headgear including at least one strap adapted to connect to the forehead member. The forehead member includes one or more holes configured and positioned to allow at least one strap to form a strap loop that loops around at least a portion of the forehead member and arrange one or more layers of the strap loop between the headgear member and the patient's forehead in use.12-25-2008
20080257354Cushion and cushion to frame assembly mechanism for patient interface - A full-face cushion for a patient interface that delivers breathable gas to a patient includes a frame connector adapted to attach the cushion to a mask frame and an interface provided to the frame connector. The interface is constructed of foam and defines a cushion cavity. The interface includes a foam contact surface adapted to interface or contact with surfaces of the patient's face in use.10-23-2008
20120174928MASK ASSEMBLY - A respiratory mask assembly for use in delivery of non-invasive positive airway pressure to a user comprising a rigid mask shell including a plurality of slots; a soft cushion including at least one flexible sealing lip constructed and arranged to extend around an inner periphery of the cushion and to deform to provide a continuous airtight seal between the cushion and the rigid mask shell, the at least one flexible sealing lip being further constructed and arranged to return to a relaxed state when the cushion is disassembled from the rigid mask shell, the soft cushion further including a retaining portion; and a retaining ring configured to engage with the retaining portion of the cushion, and including a plurality of clips each positioned on respective spring arms to engage with each of the respective plurality of slots of the rigid mask shell to retain the cushion in position with the rigid mask shell.07-12-2012
20100108072Cushion to frame assembly mechanism - A full-face mask assembly includes a frame and a cushion provided to the frame. The cushion is adapted to form a seal around the patient's nose and mouth. A flexible lip is provided to an interior wall of the cushion. The flexible lip is adapted to engage the frame to provide a seal in use.05-06-2010
20130037033RESPIRATORY MASKS WITH GUSSETED CUSHIONS - A cushion for a full facial respiratory mask assembly includes a frame-connecting portion, a face-contacting portion, and a gusset portion disposed between and joining the frame-connecting and face-contacting portions. The gusset portion is structured to allow relative movement of a mask frame to occur towards and away from a patient's face, and the gusset portion includes a nasal bridge perimetrical region, a mouth perimetrical region and a transition perimetrical region. The nasal bridge perimetrical region comprises a w-shaped or concertina-type fold having little or no projected area relative to the face-contacting portion of the cushion. The mouth perimetrical region extends laterally outwardly to form an increased projected area relative to the face-contacting portion of the cushion. The transition perimetrical region extends laterally outwardly an amount intermediate of the nasal bridge perimetrical region and the mouth perimetrical region.02-14-2013
20100065058Full face respirator mask - A full face respirator mask includes a rigid plastic integrally molded lens member that has a transparent viewing portion and a central integrally molded port portion. The central port portion is disposed beneath the viewing portion when the mask is viewed from a front elevation. An integrally molded exhalation port is disposed in the central port portion of the rigid plastic lens. First and second air intake ports are disposed in the integrally molded lens member to either side of the central port portion of the rigid plastic lens member. Each air intake port is adapted to support either a plug member to close off the air intake ports or a filter cartridge to filter air passing through the air intake port. An integrally molded portion forming a connector is located within the central port portion of the integrally molded lens member to receive either an outside supply of air when the air intake ports each hold a plug member to close off the air intake ports or a plug member to close off the connector when the air intake ports support the filter cartridges. A face seal is attached to the lens member at an outside edge of the lens member and is adapted to mate with the wearer's face, and the face seal is attached by overmolding the face seal around the outside edge of the lens member to form an adhesive bond between the face seal and the lens member.03-18-2010
20120180795Two Sided Pad - A cushioning pad includes two layers of different material. The pad is for use as a pad to be positioned between a mask and the face of a person when the mask is worn by the user. The materials for the two layers may include a gel material and a cloth material. This construction allows the user to select which layer will contact the user's face during use of the mask. The pad also serves to form a seal between the mask and the face of the user thereby improving the effectiveness of the mask.07-19-2012
20100006100Gel filling for a patient interface and method for producing a patient interface with a gel filling - The invention concerns a gel covering of a patient interface. This gel covering has a mask connection area by which its side that faces away from the patient is joined with a mask body. The patient interface can be designed, for example, as a respiratory mask. On its side that faces the patient's face, the respiratory mask has thin, inwardly formed, peripheral contact lips. The respiratory mask has accessories that allow it to be fastened on the patient's head as well as a hose connection for supplying air. At least one region formed from a filler is placed in or on the walls of the gel covering. The method is used to produce the gel covering of the invention.01-14-2010
20090107507Forehead and nose bridge pad for CPAP interface - The invention is a method for padding CPAP face and full face masks forehead and nose bridge area to prevent skin irritation, discomfort, indentions, allergies and ulcers. The pad is attached to the forehead part of the CPAP face mask by way of pockets sewn into the body of the pad. The pad protects the forehead area of the wearer as well as the nose bridge by way of a flap of material that fits between the seal of the mask and the wearer's nose bridge area distributing the pressure from the mask seal.04-30-2009
20120216813PATIENT INTERFACE WITH AN ADJUSTABLE CUSHION - A patient interface of the present invention includes a faceplate including a plurality of headgear attachment elements, a seal member operatively coupled to the faceplate; and an adjustment mechanism coupling the seal member to the faceplate. The adjustment mechanism controls the position of the seal member relative to the faceplate such that the seal member is moveable from a first position to a second position and is maintained in the second position during use of the patient interface after being moved to the second position.08-30-2012
20090014007PATIENT INTERFACE AND NON-INVASIVE POSITIVE PRESSURE VENTILATING METHOD - A patient interface for use in delivering a flow of breathable gas to an airway of a patient includes a first seal adapted to contact the patient's face and seal a first space between the patient interface and the patient's face at a first positive pressure; and a second seal adapted to contact the patient's face and seal a second space between the patient interface and the patient's face at a second positive pressure. The first seal also seals the first space from the second space. A leak reducing element may be provided on a seal to reduce and/or diffuse leakage of gas. A vacuum line configured to create a negative pressure may be provided in the second space to remove any gas leaking from the first space to the second space. A seal may be connected to a conduit for delivering the flow of gas that is incorporated into a frame of the patient interface. The seal may be inflatable by the flow of breathable gas to pressurize the seal against the patient's face and include a vent that directs the flow of breathable gas to a space between the patient interface and the patient's face. A cuff may be provided over the seal in the nasal bridge region to direct any leakage of the gas flow from the seal in the nasal bridge region in a direction away from the patient's eyes.01-15-2009
20120285467CORRUGATED FLEXIBLE SEAL OF A VENTILATION MASK - A ventilation mask comprises a corrugated flexible seal, and a plurality of ridges disposed along the corrugated flexible seal. The corrugated flexible seal is configured for establishing a fluid seal between the ventilation mask and a patient, and for allowing facial movements of the patient while maintaining the fluid seal. The plurality of ridges disposed along the corrugated flexible seal is configured for physical contact with the patient.11-15-2012
20120285469TEXTURED/POLISHED RESPIRATORY MASK SEAL AND MASK - 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.11-15-2012
20120285468NASAL PASSAGE OPENER OF A VENTILATION MASK - A ventilation mask for sealing on a face of a patient comprises a nasal passage opener configured for facilitating in opening the nasal passage of the patient. The nasal passage opener is disposed over a nasal valve of the patient when the ventilation mask is sealed on the face of the patient.11-15-2012
20100018534DELIVERY OF RESPIRATORY THERAPY - A respiratory mask for continuous positive airway pressure treatment includes a cushion adapted to be positioned against the face of a patient. The cushion is configured in a gasket arrangement around an entrance to the airways of the patient. The cushion is constructed from a polyurethane foam and has a thickness of greater than about 5 mm.01-28-2010
20090114230CUSHION FOR VENTILATION INTERFACE - In accordance with at least one exemplary embodiment, a cushion for a ventilation interface is disclosed. A ventilation mask can include a mask body adapted to matingly engage with the cushion. The cushion can be a double-membrane cushion having an outer sealing membrane and an inner membrane, both of which can extend from a frame. The outer sealing membrane can have a face-contacting portion. The inner membrane can be outwardly oriented from the frame.05-07-2009
20100122706COMBINATION ANESTHESIA AND SCAVENGER SURGICAL MASK - A surgical mask for administering and/or scavenging medical gases includes a nasal mask and an oral mask that envelops the nasal mask. The nasal mask is secured to the oral mask and may be removable from it.05-20-2010
20110132375System and Method for Forming a Custom-Molded Medical Mask - A custom medical mask includes a substantially rigid custom-fitted sealing ridge that has been shaped to correspond to a compressed shape of soft tissues of a user's face. The sealing ridge includes first, second, and third ridges. The first ridge corresponds to a first portion of the user's face extending from the user's nose to a first area proximate a lateral perimeter of the user's obicularis-oris muscle. The second ridge corresponds to a second portion of the user's face extending from the nose to a second area proximate a lateral perimeter of the obicularis-oris muscle. The third region corresponds to the lower extension of the obicularis-oris muscle extending from the first area to the second area. The sealing ridge is configured to form a custom-fit seal by conforming to the compressed shape of the user's soft tissues when the mask is pressed against the user's face.06-09-2011
20090120442NON-INTRUSIVE MASK INTERFACE WITH NASAL SUPPORT - A patient interface includes a body member, a partition, a nasal seal portion, and a port. The partition is integral with the body member, and separates an interior of the member into a first chamber configured to receive a nose of a patient and a second chamber. The nasal seal portion is integral with the partition, and projects therefrom into the first chamber. The nasal seal portion includes a seal surface and a gas passage therethrough. The seal surface is configured to conform with a lower portion of the nose that is surrounding nasal passages of the patient, without entering the nasal passages of the patient, when the patient interface is mounted operatively on the face of the patient. The port integral with the member is in fluid communication with the second chamber for delivery of gas to the patient via the gas passage in the nasal seal portion.05-14-2009
20100122704COMBINATION ANESTHESIA AND SCAVENGER SURGICAL MASK - A surgical mask for administering and/or scavenging medical gases includes a nasal mask and an oral mask that envelops the nasal mask. The nasal mask is secured to the oral mask and may be removable from it.05-20-2010
20100122705COMBINATION ANESTHESIA AND SCAVENGER SURGICAL MASK - A surgical mask for administering and/or scavenging medical gases includes a nasal mask and an oral mask that envelops the nasal mask. The nasal mask is secured to the oral mask and may be removable from it.05-20-2010
20100006101BREATHING ASSISTANCE APPARATUS - A breathing assistance apparatus is disclosed, for use with delivery of respiratory gases to a patient. The breathing assistance apparatus includes a patient interface, having a body section adapted to cover the nose, or nose and mouth of a patient and a sealing interface. The sealing interface includes at least an outer sealing member. The outer sealing member is adapted to attach to the body section in a sealing manner and has a substantially thin section in at least its nasal bridge region. The thin section is substantially thinner than the rest of the outer sealing member.01-14-2010
20080289633Mask with gel component - A cushion for use with patient therapy may include a face contacting element having at least one portion including at least a first gel and a skin portion containing the first gel. The skin portion may be silicone based. The face contacting element may be substantially triangular, and at least one of the cheek regions and the lower region of the triangular face contacting element may include a concave section that curves inwardly towards the breathing chamber. The cushion may include first and second gels having one or more properties that are different from one another.11-27-2008
20090178679Cushion for a respiratory mask assembly - A respiratory mask includes a frame including a breathable gas port, wherein the frame defines an inner chamber to receive at least one of a wearer's nasal region and mouth. The mask includes a cushion including a flange connected to the frame, an inner rim defining an opening to the inner chamber of the frame, and a sealing portion disposed between the flange and the inner rim to contact the wearer's face. The sealing portion includes a nasal seal section to span a wearer's face above the wearer's nares, side seal sections extending from each side of the nasal seal section on both sides of the wearer's mouth, and a chin seal section that extends between the side seal sections. The chin seal section is upwardly curved in an arch to follow the chin's bony contour.07-16-2009
20110220113Chin strap - A chin strap includes a chin cup, side straps, and rear straps. The chin strap is used to urge the patient's jaw upwards and substantially close the patient's mouth while pressurized breathable gas is delivered to the patient's nose by the mask system.09-15-2011
20110220114Cushion for a respiratory mask assembly - A respiratory mask includes a frame including a breathable gas port, wherein the frame defines an inner chamber to receive at least one of a wearer's nasal region and mouth, and a cushion including a flange connected to the frame, an inner rim defining an opening to the inner chamber of the frame, and a sealing portion disposed between the flange and the inner rim to contact the wearer's face. The sealing portion includes a nasal seal section to span a wearer's face above the wearer's nares, side seal sections extending from each side of the nasal seal section on both sides of the wearer's mouth, and a chin seal section that extends between the side seal sections, wherein the chin seal section is upwardly curved in an arch to follow the chin's bony contour.09-15-2011
20100154798Respiratory mask having gas washout vent and gas washout vent assembly for respiratory mask - A vent assembly for use with a respiratory mask of the type used in CPAP treatment. In one embodiment, the vent is made of a thin air permeable membrane (06-24-2010
20100147308RESPIRATORY DEVICES - Described here are devices for altering the flow of air in a respiratory cavity such as the mouth and nostrils of the nose. These methods and devices may be useful for affecting a physiologic benefit in patients suffering from a variety of medical diseases, particularly those that may benefit from “pursed-lip” breathing and non-invasive ventilation, such as COPD, heart failure, sleep apnea, and other medical disorders. The devices are typically removable devices that may be placed over or in a respiratory cavity to increase resistance to airflow within the respiratory cavity. Resistance to expiration may be selectively increased relative to inspiration. Removable oral and removable nasal devices are described. Oral and nasal devices that filter inhaled airflow of debris and allergens are also provided. A nasal device that increases patency of the nares is also provided.06-17-2010
20130213402CUSHION TO FRAME ASSEMBLY MECHANISM - A full-face mask assembly includes a frame, a cushion provided to the frame, the cushion adapted to form a seal around the patent's nose and mouth and a skeleton frame to maintain the cushion to the frame, the skeleton frame including at least one of an upper support member adapted to support a forehead support, lower headgear clip receptacles adapted to be engaged with clips provided to straps of a headgear assembly, and an annular elbow connection seal adapted to engage an inlet conduit.08-22-2013
20100258131FACE SEALS FOR RESPIRATORS AND METHOD OF MANUFACTURING RESPIRATORS - A respirator includes a mask having a body extending between a front edge and a rear edge, and a face seal extending inward from the body. The face seal has a first wall extending from the body and a second wall intersecting with the first wall at a sealing land. The sealing land is configured to contact a user's face to form a continuous circumferential seal. The face seal is folded over such that the first wall and the second wall both extend away from the sealing land in a common direction. Optionally, the face seal may be U-shaped.10-14-2010
20090078267Breathing Mask Device and Method and Mold for Producing Same - A breathing mask device, a sealing lip device for a breathing mask device, a molding tool and a method for producing a corresponding breathing mask device and sealing lip device are described. An aspect of the invention is to provide ways that make it possible to create a breathing mask device that, with sufficiently strong tightness is distinguished by particular wearing comfort and which moreover can be produced advantageously in times of industrial production standpoints. According to an embodiment, a breathing mask device for administering a breathable gas is provided and includes a body structure that is sealed against a contact surface of a user's face, a sealing lip device that in combination with the body structure in part defines a breathing mask interior, a gel structure for at least intermittent and partial transmission of the retention forces, acting on the body structure, to the user's face area, and a gel material defining the gel structure is received in a gel receiving chamber defined at least in part by an elastically deformable receiving wall. The elastomer material intended for forming the receiving wall is integrally formed onto a wall portion of the breathing mask device, and is lifted or separated from this wall portion to form the gel receiving chamber.03-26-2009
20100192955Patient interface structure and method/tool for manufacturing same - Component of a patient interface, particularly a cushion, comprising a first part and a second part, wherein the second part is made of a foamed material which is foamed-on the first part. A Method and tool for manufacturing a component of a patient interface, particularly a cushion, comprising the steps molding a first part of the component and foaming a second part on the first part.08-05-2010
20110056498FOREHEAD PAD FOR RESPIRATORY MASK - A forehead pad for use in a respiratory mask with a forehead support, which includes a base portion to contact a user's forehead, a support post connected to the base portion, and a head adapted to connect the support post to a forehead support. A pair of forehead pads may be joined with a connector.03-10-2011
20110056497CUSHION FOR MASK SYSTEM - A mouth cushion for a mask system includes a side wall, an undercushion extending away from the side wall, and a membrane provided to substantially surround the undercushion and adapted to form a continuous seal around an exterior of a patient's mouth in use. The side wall includes spaced-apart prong support structures that provide annular recesses adapted to support respective nasal prongs, and at least a portion of the undercushion includes a question-mark or sickle-shape configuration when in cross-section.03-10-2011
20110232646RESPIRATORY INTERFACE DEVICE WITH FILTRATION MEDIUM - The present invention provides a respiratory interface device including a first portion having one or more opening, a second portion structured to engage a face of a user, and a filtration element disposed between the first portion and the second portion. The first portion and the filtration element define a first cavity and at least the second portion and the filter element are structured to define a facial cavity when the respiratory interface device is in use. The filtration element is structured to filter gases passing from the first cavity to the second cavity and from the second cavity to the first cavity.09-29-2011
20090114229Mouth Seal Assembly for Nasal Mask System - A mouth seal assembly for use with a nasal mask system includes a mouth seal adapted to form a seal with the patient's mouth. The mouth seal is substantially independent from a supply of pressurized air from the nasal mask system. An anti-asphyxia valve may be provided to either the mouth seal over the patient's lips or the nasal mask system. A strap arrangement may support the mouth seal in a desired position on the patient's face in use.05-07-2009
20090038619FULL FACE RESPIRATORY MASK WITH INTEGRATED NASAL INTERFACE - A patient interface that reliably and comfortably seals a user's face by providing an oral-nasal mask that includes an integrated nasal interface. The patient interface includes a seal member having an oral cushion portion configured to surround the user's mouth and a nasal interface portion that provides an interface with the user's nose. The seal member, including the oral cushion portion and the nasal interface portion, is a unitary member. Finally, the nasal interface portion remains below the bridge of the nose.02-12-2009
20100294281RESPIRATORY FACE MASK - A mask assembly (11-25-2010
20110023882Surface structure on patient interface - The present invention relates to the surface structure of a plastic material and particularly of silicone surfaces. More particularly, the present invention relates to the surface structure of the surfaces of a breathing mask assembly or a patient interface to be used for supplying breathing gas to a patient. Such patient interface for providing respiratory gas to a patient comprises a contact surface for contacting a patient's skin, wherein at least a part of said contact surface is a structured surface.02-03-2011
20110023883PATIENT INTERFACE SYSTEM - A patient interface system (02-03-2011
20100163049RESPIRATORY MASK - A respiratory mask includes a mask frame, a cushion and a retaining element. The retaining element is embedded within the cushion and is configured to secure the cushion to the mask frame. Forehead pads can be positioned in the mask frame and be adjustable independent of one another and with respect to the mask frame.07-01-2010
20110079225Personal Respiratory Filtration Apparatus - A personal respiratory filter apparatus, having a substantially planer main body and a filter dependent thereon, functioning both as an article of every-day clothing in a scarf form, and as a support system for the breathable, treatable filter.04-07-2011
20090032024Respiratory Mask and Method for Manufacturing a Respiratory Mask - A respiratory mask, a mould for a respiratory mask, as well as to a method for producing a respiratory mask are disclosed, in which manufacturability and usability of respiratory masks are improved. A respiratory mask is disclosed for administering a breathable gas to a patient, the respiratory mask comprising a first component formed from a flexible material and a second component formed from a material that is more rigid than the flexible material, wherein the first component is formed onto the second component by an overmoulding process.02-05-2009
20090032025Adjustable Gas Delivery Mask Having a Flexible Gasket - In accordance with one embodiment of the present disclosure, an adjustable gas delivery system is provided. The system may include a face mask, an arm apparatus, and a gasket. The face mask may be configured to deliver gas to a subject, and may include a flexible cushion portion configured to interface with the subject's face and a rigid base portion configured to support the cushion portion, the rigid base portion including a gas inlet. The arm apparatus may be configured to deliver gas to the face mask. The arm apparatus may include a gas outlet having a cross-sectional area smaller than a cross-sectional area of the gas inlet of the base portion of the face mask. The gasket may couple the gas outlet of the arm apparatus with the gas inlet of the face mask. The gasket may be flexible such that the orientation of the face mask relative to the arm apparatus is adjustable.02-05-2009
20100065059HYBRID TEXTURED/POLISHED RESPIRATORY MASK SEAL AND RESPIRATORY MASK USING SAME - 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 user, and a sidewall extending between the first end portion and the second end portion. At least a portion of the second end portion along at least a portion of a perimeter of the second end portion includes a textured area having a first rms surface roughness that is greater than a second rms surface roughness of a non-textured area of the seal. The area of increased surface roughness provides the user contacting portion of the seal with a silky feeling to maximize user comfort and the effectiveness of the seal without impairing the sealing ability.03-18-2010
20110048425RESPIRATORY MASK INCLUDING AN ADJUSTMENT UNIT - A respiratory mask includes: a mask body including a mask shell, and a mask cushion connected to a rear side of the mask shell; a front cover disposed in front of and hinged to the mask shell, and having a support arm extending upwardly; a forehead support unit having a forehead frame connected to a top end of the support arm, and a forehead pad connected to a rear side of the forehead frame; and an adjustment unit connected to at least one of the mask shell and the front cover, and operable to produce relative movements of the mask shell and the front cover so that the mask body can abut against the user's nose with an appropriate abutment pressure.03-03-2011
20110000491Mask with integral cushion and forehead piece - A respiratory mask has an adjustable forehead support member that is simple and inexpensive to manufacture. The forehead support member may be adjusted by rotating a forehead pad about an off-center bore or by bending an angular adjustment beam. The mask has a mask cushion with an accordionate membrane having at least two hinged portions. The mask may be constructed with a mask frame, the mask cushion, and the forehead support member molded as one piece.01-06-2011
20080230067Nasal Mask Assembly - A nasal mask assembly includes a relatively flexible cushion arrangement including a cushion that provides a breathing chamber and a face-contacting portion to form a seal around the patient's nose in use, an inlet tube supported by the cushion to deliver breathable gas into the breathing chamber for breathing by the patient, and three support members extending outwardly from the cushion. A relatively rigid frame is provided to a front side of the cushion arrangement. The frame includes three headgear attachment structures. Headgear includes three headgear straps engagable with the three support members and the three headgear attachment structures to maintain the cushion arrangement in a desired position on the patient's face.09-25-2008
20090000623Reinforcing Member for a Patient Interface - A patient interface includes a frame, a cushion, and a reinforcing member. The cushion has a non-face-contacting portion connected to the frame and a face-contacting portion adapted to engage the patient's face in use. The face-contacting portion includes a side wall and a flexible membrane extending from the side wall. The reinforcing member is provided to at least a portion of an interior and/or exterior surface of the side wall of the cushion. The reinforcing member provides reinforcement to the side wall of the cushion to at least limit lateral expansion of the cushion in use. The reinforcing member may have a stiffness that is selectively varied along its length.01-01-2009
20120199132PAD ASSEMBLY HAVING OUTER CASING AND SUPPORT ELEMENT - A pad assembly for use with a gas deliver mask for delivering a flow of gas to an airway of a patient is described. The pad assembly includes an outer casing and a support element. The outer cashing has a housing portion and a mounting portion. The housing portion has a first wall and a second wall defining a hollow cavity therebetween. The first wall is structured to engage a portion of the patient, and the mounting portion is structured to couple the outer casing to the patient interface device. The support element is disposed substantially within the cavity of the outer casing.08-09-2012
20110174310CUSHION, METHOD OF AND APPARATUS FOR MOLDING A CUSHION FOR A RESPIRATORY MASK - The present invention is related to a cushion (07-21-2011
20110253144Nasal Interface for Continuous Positive Airway Pressure Mask - The mask that is the subject of the present invention enables the delivery of continuous positive airway pressure to patients suffering from sleep apnea by engaging and sealing the area surrounding the patient's nasal passages in order to deliver the therapy. The present invention includes a new nasal interface piece that is of different material composition than the balance of the mask and is comprised of between twelve and thirty-two percent elastane, between twelve and thirty-two percent polyurethane and between forty-six and sixty-six percent polyamide.10-20-2011
20110005524Pad for a mask - A cushion pad for a mask worn by a patient, comprising a first side to contact skin of the patient, and a second side, opposite the first side, to contact or face the mask. The pad has a main body portion having a central portion shaped to cover a portion of the patient's nose extending from above the nose tip to the nasal bridge region without obstructing the patient's line of sight, and lateral side portions to extend downward and terminate along the sides of the nose or on the patient's cheeks. The main body is made of a breathable material, e.g., foam. The pad may include adhesive and/or an attached portion, e.g., a ring, to couple the pad to the patient and/or portion of the mask.01-13-2011
20110114096CHIN PIVOT PATIENT INTERFACE DEVICE - A patient interface device that includes a body portion comprising a pair of arms and a chin support. A first end portion of each arm in the pair of arms is coupled to an opposite end of the chin support. The chin support is adapted to be disposed under the mandible responsive to the patient interface device being donned by a user. At least one headgear attachment element is provided on each arm in the pair of arms. A circuit portion is provided at a second end portion of each arm in the pair of arm. A patient interface portion is coupled to the circuit portion.05-19-2011
20110186051RESPIRATORY MASK SEALING INTERFACE - A sealing interface forms part of an apparatus for supplying a flow of respiratory gases to a user. The sealing interface comprises a foam or gel inner cushion and a thin resilient rubber outer sheath. A face side of the inner cushion resiliently supports the outer sheath. The inner cushion has a toothed profile formed on the face side of the inner cushion. The toothed profile consists of at least one tooth having an apex on the perimeter of the inner cushion. The apex is positioned between two valleys in the perimeter of the inner cushion. In use the apex of each tooth of the toothed profile is in supporting contact with the outer sheath.08-04-2011
20100018535GEL CUSHION PAD FOR MASK - The present invention is a gel cushion that is placed on a user's nose bridge before putting on a ventilator mask. The gel cushion is composed of a tacky gel material, such as a viscoelastic polymer gel. The gel cushion is wider than the edges of the ventilator mask and remains in place even if the mask is repositioned. The gel cushion adapts to the user's face in the area on and around the nose bridge to cushion and seal the ventilator mask in that area.01-28-2010
20120037161NASAL MASK ASSEMBLY - A mask system is provided to fit pre-adult patients, or patients having facial features that are very small or child-like, e.g., patients having dimensions in the lower 5%-10% of the population. For example, the headgear and/or cushion are dimensioned to accommodate this range of patients.02-16-2012
20120305003RAPID PRODUCTION OF CUSTOMIZED MASKS - Disclosed herein is a system designed for the rapid preparation of anatomically customized mask employing data from a patient. The data may take the form of a multidimensional image of a target area of a patient's face obtained by optical 3 dimensional imaging, or a dot or line scan form laser imaging, pattern laser photography or stereo photography. Also disclosed is a mask that is designed so as to be unobtrusive and comfortable for the user. The body of the mask is made of a thin layer, so it is lightweight and closely hugs the targeted region upon which it rests (e.g. the nasal region). Methods for producing anatomically customized masks are also described.12-06-2012
20110155139CUSHION FOR A PATIENT INTERFACE - A respiratory mask is provided having an outer shell coupled to a cushion for the delivery of a gas to a user. The cushion of the respiratory mask has at least one pleat disposed in the cushion in order to provide varying degrees of flexibility and support about the cushion.06-30-2011
20120204880PATIENT INTERFACE DEVICE WITH ADJUSTABLE CHEEK SUPPORT - A patient interface device includes a main frame having a central support portion and first and second arms extending from the central support portion. A cushion component is coupled to the central support portion. A first cheek support element is coupled to the first arm. The first cheek support element includes a first cheek support portion that engages the face and is selectively moveable relative to the first arm to adjust the linear distance between the first cheek support portion and the cushion component. A second cheek support element is coupled to the second arm. The second cheek support element includes a second cheek support portion structured to engage the patient's face and is selectively moveable relative to the second arm to adjust the linear distance between the second cheek support portion and the cushion component.08-16-2012
20120204879CUSHION-TO-FRAME COMPONENT FOR AN INTERFACING STRUCTURE - An interfacing structure for a mask system includes a cushion component adapted to contact the patient's face in use and a cushion-to-frame component provided to the cushion component. The cushion-to-frame component is structured to secure the cushion component to a mask frame of the mask system. The cushion-to-frame component includes a cushion side adapted to interface with the cushion component and a frame side adapted to interface with the mask frame. The cushion side includes a platform to engage and support the cushion component. The platform provides an engagement surface to engage the cushion component and inner and outer flanges provided to opposing ends of the platform to guide, support and/or retain the cushion component on the platform.08-16-2012
20110088698PATIENT CONTACTING SEAL AND MASK USING SAME - A seal and a respiraoty mask having a seal adapted for confronting engagement with a surface of a user to form an interface therewith. The seal includes a first portion defined by a gel substance. In one embodiment, the seal includes a selectively formable substance adapted to be molded from a first pattern into a second pattern and to retain the second pattern responsive to being so molded. The seal and mask having the seal in this embodiment is tailored to patient by causing the formable portion of the seal to be placed in a malleable state, applying the seal to the patient while the formable portion is in the malleable state, and causing the formable portion to be placed in a fixed state to retain a shape generally conforming to the portion of the patient underlying the seal.04-21-2011
20120247476MASK WITH INTEGRAL CUSHION AND FOREHEAD PIECE - A respiratory mask has an adjustable forehead support member that is simple and inexpensive to manufacture. The forehead support member may be adjusted by rotating a forehead pad about an off-center bore or by bending an angular adjustment beam. The mask has a mask cushion with an accordionate membrane having at least two hinged portions. The mask may be constructed with a mask frame, the mask cushion, and the forehead support member molded as one piece.10-04-2012
20120247475CUSHION FOR VENTILATION INTERFACE - In accordance with at least one exemplary embodiment, a cushion for a ventilation interface is disclosed. A ventilation mask can include a mask body adapted to matingly engage with the cushion. The cushion can be a double-membrane cushion having an outer sealing membrane and an inner membrane, both of which can extend from a frame. The outer sealing membrane can have a face-contacting portion. The inner membrane can be outwardly oriented from the frame.10-04-2012
20100051033Forehead support for facial mask - The present invention discloses an adjustable forehead support for a nasal or full-face mask wherein the forehead support may be adjusted for the different shapes and sizes of a facial profile. The forehead support utilizes a dual-arm system that adjusts the position of the forehead support vis-á-vis the mask and/or airflow tube. The angle of the mask to the face may be adjusted with the present invention.03-04-2010
20100012129Forehead support for facial mask - A respiratory mask assembly includes a respiratory mask and a forehead support secured to the mask via a joining member. The forehead support includes a cushion frame pivotably mounted to the joining member so as to be pivotably movable relative to the mask when the cushion frame is secured to the mask. At least one cushion is mounted on the cushion frame. A finger-operated adjustment control member is provided to the cushion frame. The finger-operated adjustment control member is manually manipulable to adjust a position of the cushion frame relative to the joining member along a predetermined path generally towards and away from the patient's forehead.01-21-2010
20100012128RESPIRATORY MASK SYSTEM - A respiratory mask system is provided, in which while wearing a respiratory mask system, force generated by movement of a user's head and the like to induce laterally slipping a mask cushion may be reduced or absorbed.01-21-2010
20120312304REINFORCING MEMBER FOR A PATIENT INTERFACE - A patient interface includes a frame, a cushion, and a reinforcing member. The cushion has a non-face-contacting portion connected to the frame and a face-contacting portion adapted to engage the patient's face in use. The face-contacting portion includes a side wall and a flexible membrane extending from the side wall. The reinforcing member is provided to at least a portion of an interior and/or exterior surface of the side wall of the cushion. The reinforcing member provides reinforcement to the side wall of the cushion to at least limit lateral expansion of the cushion in use. The reinforcing member may have a stiffness that is selectively varied along its length.12-13-2012
20120222680MASK SYSTEM - A mask system includes a cushion adapted to seal with a face of a patient. In one form an unobtrusive full-face masks system is provided which is comfortable and has a wide fit range. The cushion may include a sealing structure (09-06-2012
20080302366CUSHION FOR A PATIENT INTERFACE - A respiratory mask is provided having cushion and a shell wherein the cushion has a frustum portion that extends towards the face of the user to provide a larger more stable and comfortable interface with a user which is better able to conform to the complex geometry of the user's face.12-11-2008
20100326445INTERFACE INCLUDING A FOAM CUSHIONING ELEMENT - A respiratory mask assembly includes a frame having a channel and a cushioning element including a clip portion adapted for interference seal and retention in the channel. The cushioning element includes an interfacing portion constructed from foam and having a wider width than the clip portion.12-30-2010
20120090618FULL-FACE MASK AND MASK CUSHION THEREFOR - A full-face cushion comprises a frame and a membrane. The membrane has an aperture into which the wearer's nose is received. The membrane is spaced away from the frame. Respective notches receive the bridge of the wearer's nose. The wearer's nose and lips are received through the aperture into the chamber within the mask body. The seal forming portion thus contacts both the surface of the wearer's nose and a portion of the wearer's face in the region between the bottom lip and the chin, and around the sides and over the bridge of the nose.04-19-2012
20120285466ADJUSTING A VENTILATION MASK - In a method for adjusting a ventilation mask, a ventilative state is measured of a ventilation mask that is placed over a respiratory opening of a patient A sealing portion of the ventilation mask is for establishing a fluid seal between the ventilation mask and the patient. The sealing portion comprises a plurality of bladders. An unintentional leak of the fluid seal is determined based on a measured change of the ventilative state. A bladder of the plurality of bladders is adjusted to seal the unintentional leak.11-15-2012
20120138063MASK SYSTEM - A mask system (06-07-2012
20120138062RESPIRATORY MASK SEAL AND MASK USING SAME - A seal and a mask using a seal that includes a first end portion adapted to be coupled to a seal support, a second end portion adapted for sealing engagement with a face of a user, and a sidewall extending between the first end portion and the second end portion. The first end portion, second end portion, sidewall, or any combination thereof is formed from an elastomeric material having an elongation of at least 1000%. The seal preferably formed from a unitary piece of elastomeric material.06-07-2012
20080236589Portable respirator with oxygen supply - The portable emergency respirator comprises a case having a compartment therein. An oxygen supply is disposed inside of the heat resistant container body. An elongated tube connected to an airtight aperture of container body extends from the container body to deliver oxygen to an oxygen respirator mask. The oxygen respirator mask has a plurality of head straps and adjustment buckles. The respirator mask is preferably rubber-sealed for efficient delivery of oxygen to the wearer and to prevent toxic environmental air from reaching the wearer's lungs.10-02-2008
20080223373Pressure support respiration mask - A pressure support respiration mask includes an elastic cap body having: a front end wall that is formed with a front opening; a surrounding wall that extends rearwardly from a periphery of the front end wall in a transverse direction relative to the front end wall, that defines an inner space in fluid communication with the front opening, and that has a rear end; a skirt wall that flares outwardly of the inner space from a periphery of the rear end of the surrounding wall, and that has a rear end; and a rear end wall that is constricted from a periphery of the rear end of the skirt wall to define a rear opening.09-18-2008
20130174851SURFACE STRUCTURE ON PATIENT INTERFACE - The present invention relates to the surface structure of a plastic material and particularly of silicone surfaces. More particularly, the present invention relates to the surface structure of the surfaces of a breathing mask assembly or a patient interface to be used for supplying breathing gas to a patient. Such patient interface for providing respiratory gas to a patient comprises a contact surface for contacting a patient's skin, wherein at least a part of said contact surface is a structured surface.07-11-2013
20130174850BREATHING MASK ARRANGEMENT AND A FOREHEAD SUPPORT DEVICE FOR SAME - A breathing mask arrangement includes a frame portion, a sealing lip provided to the frame portion and adapted to form a seal with a user's face, a forehead support provided to the frame portion, and a forehead cushion removably secured to the forehead support. The forehead cushion includes a contact portion having a contact surface adapted to contact a user's forehead and a connecting structure structured to couple the forehead cushion to the forehead support and allow pivoting and/or tilting movement of the contact portion relative to the forehead support. The connecting structure includes a support foot adapted to be received within a respective opening provided in the forehead support.07-11-2013
20130133664PATIENT INTERFACE DEVICE INCLUDING A DYNAMIC SELF ADJUSTMENT MECHANISM - A patient interface device (05-30-2013
20130092170CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.04-18-2013
20110220112Respiratory mask with user interface - This invention is a respiratory mask for delivering pressurized gas with a perimeter that can be custom fitted to the contours of a person's face by active and individual adjustment of multiple shape-changing members in the body of the mask. In different embodiments of this invention, the shape-changing members may be located around the perimeter of the mask and individually adjusted by inflation, other pneumatic means, hydraulic means, electric means, or magnetic means. The resulting mask can conform to the contours of an individual's face, even while they sleep, so that there are no places around the mask that fit too tightly (causing irritation, skin marks, and pain) and no places that fit too loosely (causing air leaks).09-15-2011
20090044808Patient interface - A patient interface for delivering breathable gas to a patient includes a nasal prong assembly including a pair of nasal prongs structured to sealingly communicate with nasal passages of a patient's nose in use and headgear to maintain the nasal prong assembly in a desired position on the patient's face. The headgear includes side straps and rigidizers provided to respective side straps. Each rigidizer includes a first end portion that provides a connector structured to engage a respective end of the nasal prong assembly and an inwardly curved protrusion in the form of a cheek support that curves inwardly of the connector. The cheek support is adapted to follow the contour of the patient's cheek and guide a respective end portion of the side strap into engagement with the patient's cheek to provide a stable cheek support.02-19-2009

Patent applications in class Mask/face sealing structure

Patent applications in all subclasses Mask/face sealing structure