Headgear assembly for a respiratory mask assembly
First Claim
1. A headgear assembly for stabilizing and positioning a respiratory mask assembly on a patient'"'"'s head, comprising:
- a pair of side straps;
at least two rear straps including at least an upper rear strap and a lower rear strap, wherein at least one of the at least two rear straps has a curved portion of a predetermined radius, wherein the predetermined radius is measured when the headgear assembly is laid out flat; and
an intermediate strap arrangement positioned between the at least two rear straps, wherein the intermediate strap arrangement includes a pair of upper straps angled relative to the upper rear strap and a pair of lower straps angled relative to the lower rear strap.
1 Assignment
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Accused Products
Abstract
A respiratory mask assembly for delivering breathable gas to a patient includes a frame and a headgear assembly removably attachable to the frame. The headgear assembly includes a pair of side portions and a rear portion that interconnects the pair of side portions. The pair of side portions includes at least one strap. The rear portion has at least one strap constructed of at least two layers of material. One of the layers of material has a more rigid construction than the other of the layers of material to resist compression of the at least one strap of the rear portion in a first direction which resists movement of the at least one strap of the pair of side straps in the first direction.
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Citations
31 Claims
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1. A headgear assembly for stabilizing and positioning a respiratory mask assembly on a patient'"'"'s head, comprising:
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a pair of side straps; at least two rear straps including at least an upper rear strap and a lower rear strap, wherein at least one of the at least two rear straps has a curved portion of a predetermined radius, wherein the predetermined radius is measured when the headgear assembly is laid out flat; and an intermediate strap arrangement positioned between the at least two rear straps, wherein the intermediate strap arrangement includes a pair of upper straps angled relative to the upper rear strap and a pair of lower straps angled relative to the lower rear strap.
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2. A headgear assembly for stabilizing and positioning a respiratory mask assembly on a patient'"'"'s head, comprising:
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a pair of side straps; at least two rear straps including at least an upper rear strap and a lower rear strap, wherein at least one of the at least two rear straps has a curved portion of a predetermined radius, wherein the predetermined radius is measured when the headgear assembly is laid out flat; and an intermediate strap arrangement positioned between the at least two rear straps, wherein the intermediate strap arrangement includes a pair of upper straps angled relative to the upper rear strap and a pair of lower straps angled relative to the lower rear strap, wherein the curved portion extends between and connects to the upper straps of the intermediate strap arrangement. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A headgear assembly for stabilizing and positioning a respiratory mask assembly on a patient'"'"'s head, comprising:
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a pair of side straps; at least two rear straps including at least an upper rear strap and a lower rear strap, wherein at least one of the at least two rear straps has a curved portion of a predetermined radius, wherein the predetermined radius is measured when the headgear assembly is laid out flat; and an intermediate strap arrangement positioned between and connects or bridges the at least two rear straps, wherein the intermediate strap arrangement includes a pair of upper straps angled relative to the upper rear strap and a pair of lower straps angled relative to the lower rear strap. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification