초록 ▼

A breathing assistance apparatus includes a main body unit, a head strap unit, a nasal prong unit, and an intake unit. The main body unit has a rearwall, a frontwall, a connecting wall connected between the rearwall and the frontwall to define a chamber thereamong. The connecting wall has a rearwall

A breathing assistance apparatus includes a main body unit, a head strap unit, a nasal prong unit, and an intake unit. The main body unit has a rearwall, a frontwall, a connecting wall connected between the rearwall and the frontwall to define a chamber thereamong. The connecting wall has a rearwall-connecting portion connected to the rearwall, and a frontwall-connecting portion connected between the frontwall and the rearwall-connecting portion and having a thickness smaller than that of the rearwall-connecting portion so as to allow for floating movement of the frontwall relative to the rearwall.

대표청구항 ▼

1. A breathing assistance apparatus comprising: a main body unit having a rearwall, a frontwall, a connecting wall connected between said rearwall and said frontwall to define a chamber thereamong, said rearwall having an insert hole in fluid communication with said chamber, said frontwall having a

1. A breathing assistance apparatus comprising: a main body unit having a rearwall, a frontwall, a connecting wall connected between said rearwall and said frontwall to define a chamber thereamong, said rearwall having an insert hole in fluid communication with said chamber, said frontwall having a coupling hole in fluid communication with said chamber, said connecting wall having a rearwall-connecting portion connected to said rearwall, and a frontwall-connecting portion connected between said frontwall and said rearwall-connecting portion, said frontwall-connecting portion having a thickness smaller than that of said rearwall-connecting portion so as to allow for floating movement of said frontwall relative to said rearwall;a head strap unit connected to said main body unit;a nasal prong unit including a main plate inserted into said main body unit and aligned with said insert hole, and two nasal prongs disposed on said main plate; andan intake unit mounted to said main body unit and extending into said coupling hole in said main body unit. 2. The breathing assistance apparatus as claimed in claim 1, wherein said frontwall-connecting portion is formed with at least one rearwardly extending annular projection and at least one forwardly opening annular groove aligned with said annular projection in a front-to-rear direction. 3. The breathing assistance apparatus as claimed in claim 2, wherein said frontwall-connecting portion is U-shaped in cross-section. 4. The breathing assistance apparatus as claimed in claim 1, wherein said rearwall of said main body unit further has a first insert groove disposed behind said insert hole and having a width reducing rearwardly, said main plate of said nasal prong unit being confined within said first insert groove. 5. The breathing assistance apparatus as claimed in claim 4, wherein said frontwall of said main body unit further has an annular inner surface defining said coupling hole and formed with an annular second insert groove, said intake unit including a tube-sleeving member inserted into said coupling hole, and an intake tube having an end permitting said tube-sleeving member to be sleeved fixedly thereon, said tube-sleeving member including a tubular body and an annular flange extending radially and outwardly from said tubular body and engaging rotatably said second insert groove. 6. The breathing assistance apparatus as claimed in claim 1, wherein said main body unit is made of silicone gel, and further has two side straps connected to said rearwall, said head strap unit having a first head strap and a second head strap, each of which is connected between said side straps.