Nasal assembly
First Claim
1. A nasal assembly for delivering breathable gas to a patient, comprising:
- a rigid frame having a main body and a side frame member provided on each lateral side of the main body, each side frame member including an integrally formed first connector portion;
a flexible nozzle assembly including flexible base portion and a pair of flexible nozzles movable relative to the flexible base portion, the base portion including side walls adapted to sealingly engage with the frame, and a central wall, the pair of nozzles being attached to the central wall, the nozzle assembly being coupled with the main body of the frame with the pair of nozzles structured to sealingly engage with nasal passages of a patient'"'"'s nose in use;
at least one inlet conduit structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient;
a pair of second connector portions connected to a respective first connector portion of the frame; and
a headgear assembly removably connected to at least one of the pair of second connector portions so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient'"'"'s face.
4 Assignments
0 Petitions
Accused Products
Abstract
A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient'"'"'s face.
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Citations
101 Claims
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1. A nasal assembly for delivering breathable gas to a patient, comprising:
- a rigid frame having a main body and a side frame member provided on each lateral side of the main body, each side frame member including an integrally formed first connector portion;
a flexible nozzle assembly including flexible base portion and a pair of flexible nozzles movable relative to the flexible base portion, the base portion including side walls adapted to sealingly engage with the frame, and a central wall, the pair of nozzles being attached to the central wall, the nozzle assembly being coupled with the main body of the frame with the pair of nozzles structured to sealingly engage with nasal passages of a patient'"'"'s nose in use;
at least one inlet conduit structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient;
a pair of second connector portions connected to a respective first connector portion of the frame; and
a headgear assembly removably connected to at least one of the pair of second connector portions so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient'"'"'s face. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
- a rigid frame having a main body and a side frame member provided on each lateral side of the main body, each side frame member including an integrally formed first connector portion;
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54. A nasal assembly for delivering breathable gas to a patient, including:
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i) a frame; ii) a nozzle assembly including a base portion and a pair of nozzles, the pair of nozzles being structured to sealingly engage around the openings of a patient'"'"'s nose in use; iii) at least one inlet conduit structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient; iv) a mount arrangement to allow the nozzle assembly to be repeatedly detachable from and reattachable to the frame; v) a headgear assembly for securing the frame and nozzle assembly in a desired adjusted position on the patient'"'"'s face, said headgear assembly being detachably mountable to the frame, and including; first and second relatively flexible generally Y-shaped straps constructed from a soft, flexible composite material, the first and second Y-shaped straps having; respective first and second rear strap portions in use extending from above the patient'"'"'s ears around the back of the patient'"'"'s head and passing through and being adjustably coupled together via a rear strap buckle, respective first and second upper strap portions in use extending over the top of the patient'"'"'s head and passing through and being adjustably coupled together via a top strap buckle, and respective first and second side strap portions in use extending along the patient'"'"'s cheeks towards the frame and nozzle assembly; each of the side strap portions including a stiffening support structure extending from above the patient'"'"'s ears along the lengths thereof, the stiffening support structure being arranged to assist in stabilizing the nasal assembly on the head of the patient during use. - View Dependent Claims (55, 56, 57, 58, 59)
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60. A nasal assembly for delivering breathable gas to a patient, comprising:
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a frame, the frame comprising a main body comprising two opposed ends, each end having a first connector portion integrally formed with the main body, each first connector portion having a recess on an inner surface thereof, the main body further comprising opposed side walls between the opposed ends that define a central opening; a nozzle assembly comprising a base portion and a pair of nozzles structured to sealingly engage with nasal passages of a patient'"'"'s nose in use, the nozzle assembly being detachably coupled to the main body of the frame at the central opening to sealingly engage the opposed side walls of the central opening; a tube to deliver the breathable gas to the frame and nozzle assembly for breathing by the patient, the tube having a first end and a second end; an elbow connected to the first end of the tube, the elbow comprising a first end being detachably pivotably connectable to either one of the opposed ends of the main body of the frame by inserting the first end of the elbow into one of the recesses of the first connector portions, the first end of the elbow having a head portion having a larger diameter than a diameter of the recesses of the first connector portion, the elbow further comprising at least one slot to allow the head portion to resiliently flex to reduce its diameter upon insertion into one of the recesses of the first connector portions; a headgear assembly detachably connectable to the frame to maintain the frame and the nozzle assembly in a desired adjusted position on the patient'"'"'s face, the headgear assembly comprising a pair of Y-shaped straps, each Y-shaped strap comprising a side strap having a first end adjacent the frame and extending in use along the patient'"'"'s cheek to a second end above the patient'"'"'s ear, an upper strap extending from the second end of the side strap and in use passing over a top of the patient'"'"'s head, and a rear strap extending from the second end of the side strap and in use passing around the rear of the patient'"'"'s head, an upper strap buckle configured to couple the upper straps together, a rear strap buckle configured to couple the rear straps together, the buckled upper straps and rear straps encircling the crown of the patient'"'"'s head in use, and a yoke connected to each side strap of each Y-shaped strap, each yoke comprising a second connector portion configured to detachably connect the yoke to a respective first connector portion of the frame, the second connector portion of each yoke rotatably connecting the yoke and the frame relative to each other; and a plug configured to be inserted into the recess of the other first connector portion of the frame not connected to the swivel elbow. - View Dependent Claims (61, 62, 63, 64, 65, 66, 67, 68, 69)
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70. A nasal assembly for delivering breathable gas to a patient, comprising:
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a main conduit portion including a central portion, a first side inlet opening and a side second inlet opening; a nozzle assembly provided to the central portion of the main conduit portion, said nozzle assembly including a pair of nozzles adapted to form a seal with the patient'"'"'s nares in use; a gas washout vent provided to the nozzle assembly, the gas washout vent including a plurality of openings for gas washout; first and second connectors engaged with the first and second inlet openings; an inlet conduit in fluid communication with the main conduit portion via the first or second connector; a headgear assembly to support the nozzle assembly in a desired position of the patient'"'"'s face in use, the headgear assembly including two generally Y-shaped straps made of a soft, flexible material, each of said Y-shaped straps defining a side strap configured to extend between the eye and ear and along the cheek of the patient in use, an upper strap configured to pass over the top of the patient'"'"'s head in use and rear strap configured to pass around the rear portion of the patient'"'"'s head in use; and a stiffener provided along at least a portion of the length of each said side strap, each said stiffener having an end portion including a ring-shaped retainer or circular filling integrally formed therewith, each of the first and second connectors being engaged with a respective first or second side inlet opening of the main conduit portion and being oriented and arranged such that the ring-shaped retainer surrounds a portion of the respective first or second connector in a connected position. - View Dependent Claims (71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88)
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89. A nasal assembly for delivering pressurized breathable gas to a user, comprising:
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a support frame having a central portion and a pair of lateral support arms extending laterally away from the central portion, each lateral support arm including an integrally formed connector slot; a silicone pillows cushion including a base portion and a pair of nozzles formed in one piece with the base portion, the pillows cushion being removably coupled with the central portion of the support frame with the pair of nozzles structured to sealingly engage with nasal passages of a user'"'"'s nose in use, wherein the nozzles, as a unit, are rotatably adjustable between a plurality of positions to align the nozzles with the nasal passages of the user; an inlet tube having a first end provided with a connector to be connected to a source of pressurized breathable gas via an air delivery tube, and a second end provided to deliver the gas into the support frame for breathing by the user via the pillows cushion; and headgear including a back strap to pass around the rear portion of the user'"'"'s head, a top strap to pass over the top of the user'"'"'s head, and a pair of depending side straps each of which is suspended from a junction between the back and top straps, said depending side straps being configured to extend forwardly of the ear along the user'"'"'s face, each of said depending side straps having an end received in a respective one of said connector slots of said lateral support arms. - View Dependent Claims (90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101)
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Specification