Mask system

The mask system according to claim 1, wherein:nthe cushion provides a sealing portion adapted to form a seal with the patient's nose and mouth, and wherein the cushion is adapted to engage the patient's face generally along nasal bridge, cheek, and chin regions of the patient's face, andthe cushion includes a base wall provided to the main body.

The mask system according to claim 1, wherein:nthe elbow module includes an elbow,a vent arrangement is provided for gas washout,an anti-asphyxia valve is provided to the elbow,the elbow includes a first end portion and a second end portion, the first end portion being attached to the frame module, the second end portion being provided to a swivel joint adapted to be connected to the air delivery tube, andthe elbow includes a port that is selectively closed by a flap portion of the anti-asphyxia valve depending on the presence of pressurized gas, and a structure to attach the anti-asphyxia valve.

The mask system according to claim 1, wherein:nthe frame module is structured to maintain the elbow module in an operative position with respect to the patient's face, with the frame module and elbow module being connected with a mechanical interlock.

The mask system according to claim 1, wherein:nthe frame module includes a forehead support,the frame module includes four headgear connectors to connect with the headgear,a pair of arms are provided, each of the pair of arms having a slot at a free end of the arm adapted to receive a respective headgear strap of the headgear, each arm being at least semi-rigid to stabilize the mask system on the patient's face,each arm is removably coupled to the frame module, each said arm including clip structure adapted to removably engage with a corresponding portion provided to the frame module,the headgear is removably attachable to the headgear connectors of the frame module to maintain the mask system in a desired position on the patient's face, andthe headgear includes a pair of upper and lower straps with the upper straps removably attached to respective upper headgear connectors and the lower straps removably attached to respective lower headgear connectors, a free end of each strap including a hook and loop tab structured to adjustably engage the remainder of the strap to secure the strap in place.

The mask system according to claim 1, further comprising a concertina section provided in a nasal bridge region of the cushion, the concertina section including one or more folds that provide a higher degree of flexibility or increased movement relative to the main body.

The mask system according to claim 1, wherein the mask system is provided with a number of differently sized cushion modules each having a cushion and main body joined together, the main body of each cushion module including a common configuration for interfacing with the frame module, thus providing a modular arrangement that allows the frame module to be selectively and removably coupled to each of the number of cushion modules,nwherein the differently sized cushion modules include different size cushions, including small, medium, and large.

The mask system according to claim 1, wherein:nthe cushion provides a sealing portion adapted to form a seal with the patient's nose and mouth, and wherein the cushion is adapted to engage the patient's face generally along nasal bridge, cheek, and chin regions of the patient's face,the cushion includes a base wall provided to the main body,the elbow module includes an elbow,a vent arrangement is provided for gas washout,an anti-asphyxia valve is provided to the elbow,the elbow includes a first end portion and a second end portion, the first end portion being attached to the frame module, the second end portion being provided to a swivel joint adapted to be connected to the air delivery tube,the elbow includes a port that is selectively closed by a flap portion of the anti-asphyxia valve depending on the presence of pressurized gas, and a structure to attach the anti-asphyxia valve,the frame module is structured to maintain the elbow module in an operative position with respect to the patient's face, with the frame module and elbow module being connected with a mechanical interlock,the frame module includes a forehead support,the frame module includes four headgear connectors to connect with the headgear,a pair of arms are provided, each of the pair of arms having a slot at the free end of the arm adapted to receive a respective headgear strap of the headgear, each arm being at least semi-rigid to stabilize the mask system on the patient's face,each arm is removably coupled to the frame module, each said arm including clip structure adapted to removably engage with a corresponding portion provided to the frame module,the headgear is removably attachable to the headgear connectors of the frame module to maintain the mask system in a desired position on the patient's face,the headgear includes a pair of upper and lower straps with the upper straps removably attached to respective upper headgear connectors and the lower straps removably attached to respective lower headgear connectors, a free end of each strap including a hook and loop tab structured to adjustably engage the remainder of the strap to secure the strap in place,a concertina section is provided in a nasal bridge region of the cushion, the concertina section including one or more folds that provide a higher degree of flexibility or increased movement relative to the main body,the mask system is provided with a number of differently sized cushion modules, the main body of each cushion module including a common configuration for interfacing with the frame module, thus providing a modular arrangement that allows the frame module to be selectively and removably coupled to each of the number of cushion modules, andthe differently sized cushion modules include different size cushions, including small, medium, and large.

The mask system according to claim 1, wherein a co-molded connection is provided between the molded material and the molded silicone material, the molded material being a molded polycarbonate material.

The mask system According to claim 14, wherein the cushion provides a sealing portion adapted to form a seal with the patient's nose and mouth, and wherein the cushion is adapted to engage the patient's face generally along nasal bridge, cheek, and chin regions of the patient's face.

The mask system according to claim 14, wherein a concertina section is provided in a nasal bridge region of the cushion of the cushion module, the concertina section including one or more folds that provide a degree of flexibility or movement relative to the main body.

The mask system according to claim 14, wherein:nthe cushion provides a sealing portion adapted to form a seal with the patient's nose and mouth, and wherein the cushion is adapted to engage the patient's face generally along nasal bridge, cheek, and chin regions of the patient's face,the main body includes an opening that is adapted to communicate with an elbow module,the cushion includes a base wall provided to the main body,at least a portion of the main body is exposed when the cushion module and the frame module are attached, anda concertina section is provided in a nasal bridge region of the cushion of the cushion module, the concertina section including one or more folds that provide a degree of flexibility or movement relative to the main body.

The mask system according to claim 14, wherein at least a portion of the main body is exposed when the cushion module and the frame module are attached.

The mask system according to claim 14, wherein a co-molded joint is provided between the molded material and the molded silicone material, the molded material being a molded polycarbonate material.

The mask system according to claim 22, wherein:nthe cushion provides a sealing portion adapted to form a seal with the patient's nose and mouth, and wherein the cushion is adapted to engage the patient's face generally along nasal bridge, cheek, and chin regions of the patient's face,wherein the cushion includes a base wall provided to the main body.

The mask system according to claim 22, wherein:nthe elbow module includes an elbow,a vent arrangement is provided for gas washout,an anti-asphyxia valve is provided to the elbow,the elbow includes a first end portion and a second end portion, the first end portion being attached to the frame module, the second end portion being provided to a swivel joint adapted to be connected to the air delivery tube, andthe elbow includes a port that is selectively closed by a flap portion of the anti-asphyxia valve depending on the presence of pressurized gas, and a structure to attach the anti-asphyxia valve.

The mask system according to claim 22, wherein:nthe frame module is structured to maintain the elbow module in an operative position with respect to the patient's face, with the frame module and elbow module being mechanically interlocked.

The mask system according to claim 22, wherein:nthe frame module includes a forehead support,a pair of the headgear connectors each includes an arm and a slot at a free end of the arm adapted to receive a respective headgear strap of the headgear, each arm being at least semi-rigid to stabilize the mask system on the patient's face,each arm is removably coupled to the frame module, each said arm including clip structure adapted to removably engage with a corresponding portion provided to the frame module,the headgear is removably attachable to the headgear connectors of the frame module to maintain the mask system in a desired position on the patient's face, andthe headgear includes a pair of upper and lower straps with the upper straps removably attached to respective upper headgear connectors and the lower straps removably attached to respective lower headgear connectors, a free end of each strap including a hook and loop tab structured to adjustably engage the remainder of the strap to secure the strap in place.

The mask system according to claim 22, further comprising a concertina section provided in a nasal bridge region of the cushion, the concertina section including one or more folds that provide a higher degree of flexibility or increased movement relative to the main body.

The mask system according to claim 22, wherein:nthe cushion provides a sealing portion adapted to form a seal with the patient's nose and mouth, and wherein the cushion is adapted to engage the patient's face generally along nasal bridge, cheek, and chin regions of the patient's face,the cushion includes a base wall provided to the main bodythe elbow module includes an elbow,a vent arrangement is provided to the elbow for gas washout,an anti-asphyxia valve is provided to the elbow,the elbow includes a first end portion and a second end portion, the first end portion being attached to the frame module, the second end portion being provided to a swivel joint adapted to be connected to the air delivery tube,the elbow includes a port that is selectively closed by a flap portion of the anti-asphyxia valve depending on the presence of pressurized gas, and a structure to attach the anti-asphyxia valve,the frame module is structured to maintain the elbow module in an operative position with respect to the patient's face, with the frame module and elbow module being mechanically interlocked,the frame module includes a forehead support,a pair of the headgear connectors each includes an arm and a slot at the free end of the arm adapted to receive a respective headgear strap of the headgear, each arm being at least semi-rigid to stabilize the mask system on the patient's face,each arm is removably coupled to the frame module, each said arm including clip structure adapted to removably engage with a corresponding portion provided to the frame module,the headgear is removably attachable to the headgear connectors of the frame module to maintain the mask system in a desired position on the patient's face,the headgear includes a pair of upper and lower straps with the upper straps removably attached to respective upper headgear connectors and the lower straps removably attached to respective lower headgear connectors, a free end of each strap including a hook and loop tab structured to adjustably engage the remainder of the strap to secure the strap in place, anda concertina section is provided in a nasal bridge region of the cushion, the concertina section including one or more folds that provide a higher degree of flexibility or increased movement relative to the main body.

The mask system according to claim 22, wherein at least a portion of the main body is exposed when the cushion module and the frame module are attached.

The mask system according to claim 22, wherein a co-molded connection is provided between the molded material and the molded silicone material, the molded material being a molded polycarbonate material.

The mask system of claim 32, wherein the frame module includes a portion to provide forehead support.

The mask system of claim 32, wherein the main body is provided without upper headgear connectors and the main body is free of lower headgear connectors.

The mask system of claim 32, wherein the cushion module includes a concertina section having one or more folds.

The mask system of claim 32, wherein the cushion is a full-face cushion.

The mask system of claim 32, wherein the cushion is co-molded to the main body.

The mask system of claim 32, wherein the frame module includes headgear connectors adapted to removably attach to respective headgear straps of headgear.

The mask system of claim 32, wherein the frame module includes upper and lower headgear connectors on each side of the frame module.

The mask system of claim 32, wherein the frame module includes an open construction.

The mask system of claim 32, wherein the elbow module includes an anti-asphyxia valve.

The mask system of claim 32, wherein connection between the elbow module and the frame module is independent of releasable connection between frame module and the main body.

The mask system of claim 32, wherein the frame module includes a portion to provide forehead support,nwherein the main body includes a lower portion having the main body opening, and an upper portion having a vent arrangement,wherein the main body is provided without upper headgear connectors and the main body is free of lower headgear connectors,wherein the cushion module includes a concertina section having one or more folds,wherein a nasal bridge region of the cushion module includes the one or more folds to provide the mask system, in use, with a higher level of adaptability or flexibility in the nasal bridge region of the cushion module relative to another region of the cushion module,wherein the cushion is configured to form a seal along a nasal bridge region, a cheek region, and a lower lip/chin region of the patient's face in use,wherein the cushion is a full-face cushion,wherein the frame module includes headgear connectors adapted to removably attach to respective headgear straps of headgear,wherein the frame module includes an open construction, andwherein connection between the elbow module and the frame module is independent of releasable connection between frame module and the main body.

The mask system according to claim 54, wherein the frame module includes a forehead support.

The mask system according to claim 54, wherein the main body includes a universal configuration adapted to interface with the frame module, the main body being adapted to connect with a plurality of cushions of different sizes, thus providing a modular arrangement that allows the frame module to be selectively and removably coupled to each of a plurality of differently sized cushion modules.

The mask system according to claim 54, wherein:nthe elbow module is permitted to be rotated 360 degrees relative to the frame module,the frame module includes a forehead support,a concertina section is provided in a nasal bridge region of the cushion of the cushion module, the concertina section including one or more folds that provide a degree of flexibility or movement,the main body includes a universal configuration adapted to interface with the frame module, the main body being adapted to connect with a plurality of cushions of different sizes, thus providing a modular arrangement that allows the frame module to be selectively and removably coupled to each of a plurality of differently sized cushion modules, andthe differently sized cushion modules include different size cushions, including small, medium, and large.

The mask system according to claim 61, wherein:na vent arrangement is provided for gas washout,the elbow includes a swivel joint adapted to be connected to the air delivery tube, andthe elbow includes an anti-asphyxia valve and a port that is selectively closed by a flap portion of the anti-asphyxia valve depending on the presence of pressurized gas.

The mask system according to claim 61, wherein:nthe frame module includes a forehead support and four headgear connectors that are attached to the frame module to connect with the headgear.

The mask system according to claim 61, wherein the mask system is provided with a plurality of differently sized cushion modules each having a full-face cushion and a main body, the main body of each cushion module including a universal configuration for interfacing with the frame module, thus providing a modular arrangement that allows the frame module to be selectively and removably coupled to each of the plurality of differently sized cushion modules, andnwherein the plurality of differently sized cushion modules include different size full-face cushions, including small, medium, and large.

The mask system according to claim 61, wherein the main body and full-face cushion together comprise an integrated component, the main body comprising a molded polycarbonate material that interfaces with the frame module and the full-face cushion comprises a molded elastomeric material adapted to interface with patient's face.

The mask system according to claim 61, wherein:na vent arrangement is provided for gas washout,the elbow includes a swivel joint adapted to be connected to the air delivery tube,the elbow includes an anti-asphyxia valve and a port that is selectively closed by a flap portion of the anti-asphyxia valve depending on the presence of pressurized gas,the frame module includes a forehead support and four headgear connectors that are attached to the frame module to connect with the headgear,the mask system is provided with a plurality of differently sized cushion modules each having a full-face cushion and a main body, the main body of each cushion module including a universal configuration for interfacing with the frame module, thus providing a modular arrangement that allows the frame module to be selectively and removably coupled to each of the plurality of differently sized cushion modules,the plurality of differently sized cushion modules include different size full-face cushions, including small, medium, and large, andthe main body and full-face cushion together comprise an integrated component, the main body comprising a molded polycarbonate material that interfaces with the frame module and the full-face cushion comprises a molded elastomeric material adapted to interface with patient's face.