Inhalation mask
View Patent ↗The invention describes an inhalation or breathing mask for therapeutic nebulisers, in which around a connecting socket 4 for the therapeutic nebuliser is arranged an exhalation valve consisting of exhalation openings and a flexible valve element. The exhalation openings 7 are formed by exhalation channels 8 and can be closed individually by closure devices, for example stoppers, in order to set a predefined exhalation resistance.
1. Inhalation mask, in particular for use with a therapeutic nebuliser, the mask comprising
a main mask body ( 1 ) including a first region ( 2 ) configured for application of the mask to a human user's face, and a second region ( 3 ) which comprises:
a connecting device ( 4 ) connected to the therapeutic nebuliser and
a valve device comprising several exhalation openings ( 7 ) in the second region ( 3 ) of the mask body ( 1 ) which encircle the connecting device ( 4 ), and a valve element ( 10 ) which encircles the connecting device ( 4 ), wherein the valve element is used for closing exhalation openings ( 7 ) when the user wearing the mask breathes in and for opening the exhalation openings ( 7 ) when the user wearing the mask breathes out.
2. Inhalation mask according to claim 1 , wherein the connecting device for a therapeutic nebuliser is a connecting socket.
3. Inhalation mask according to claim 2 , wherein the connecting socket has a basic cylindrical shape.
4. Inhalation mask according to claim 1 , wherein the exhalation openings ( 7 ) are formed by exhalation channels ( 8 ) which extend along the connecting device ( 4 ).
5. Inhalation mask according to claim 1 , wherein the valve element ( 10 ) is annular.
6. Inhalation mask according to claim 5 , wherein the annular valve element ( 10 ) at its inner edge or outer edge comprises a section ( 12 ) of enlarged cross-section which can be introduced into a groove ( 9 ) formed on the main mask body for supporting the annular valve element ( 10 ).
7. Inhalation mask according to claim 5 , characterized in that the annular valve element ( 10 ) at its inner edge or outer edge comprises a latch projection ( 14 ) which can be latched in a latch groove ( 15 ) formed in the main mask body for supporting the annular valve element ( 10 ).
8. Inhalation mask according to claim 1 , further comprising a closure device ( 17 , 20 , 21 ) for controlling the effective cross-sectional area of the exhalation opening ( 7 ).
9. Inhalation mask according to claim 8 , characterized in that the closure device includes one or more stoppers ( 17 ) whose shape and size are adapted to the exhalation openings ( 7 ) or the exhalation channels ( 8 ) in such a way that they can be inserted in the exhalation openings ( 7 ) or the exhalation channels ( 8 ) and fixed.
10. Inhalation mask according to claim 9 , characterized in that the stopper or stoppers ( 17 ) are connected to a holding device ( 18 ) by which the stoppers ( 17 ) can be fastened to the inhalation mask ( 1 ).
11. Inhalation mask according to claim 10 , characterized in that the stoppers ( 17 ) are connected to the holding device ( 18 ) by connecting elements ( 19 ).
12. Inhalation mask according to claim 11 , characterized in that the stoppers ( 17 ), the holding device ( 18 ) and the connecting elements ( 19 ) are made from a material in one piece.
13. Inhalation mask according to claim 8 , wherein the closure device includes a first flat annular disc ( 20 ) and a second flat annular disc ( 21 ) located one on top of the other, each comprising one or more openings, the discs ( 20 , 21 ) configured to sit in at least a first position and a second position relative to each other.
14. Inhalation mask according to claim 13 , wherein the first flat annular disc ( 20 ) comprises holding lugs ( 23 ) which are arranged in an opening of the second flat annular disc ( 21 ) and which are latched in at the connecting device ( 4 ).
15. Inhalation mask according to claim 14 , wherein the connecting device ( 4 ) comprises a latch projection ( 24 ) for engagement of the holding lugs ( 23 ) of the first flat annular disc ( 20 ).
16. Inhalation mask according to claim 13 , wherein the first flat annular disc ( 20 ) comprises a holding cylinder which is arranged in an opening of the second fiat annular disc ( 21 ) and which is inserted and supported in the connecting device ( 4 ).
17. Inhalation mask according to claim 13 , wherein first and second flat annular discs ( 20 , 21 ) include markings.
18. Inhalation mask, in particular for use with a therapeutic nebuliser, the mask comprising
a main mask body including a first region ( 2 ) configured for application of the mask to a human user's face, and a second region ( 3 ), the second region comprising:
(a) a connecting device ( 4 ) connected to the therapeutic nebuliser; and
(b) a valve device comprising at least four exhalation openings ( 7 ) positioned in the second region ( 3 ) of the mask body positioned encircling the connecting device ( 4 ), and an annular valve element ( 10 ) in overlapping arrangement with the plurality of exhalation openings ( 7 ), the annular valve element ( 10 ) to positioned to encircle the connecting device ( 4 ).
19. Inhalation mask according to claim 18 , further comprising a closure device ( 17 . 20 , 21 ) for controlling the effective cross sectional area of the plurality of exhalation openings ( 7 ), wherein the closure device includes a first flat annular disc ( 20 ) and a second flat annular disc ( 21 ) located one on top of the other, each comprising one or more openings, the discs ( 20 , 21 ) configured to sit in at least a first position and a second position relative to each other.
20. Inhalation mask according to claim 19 , wherein the first flat annular disc ( 20 ) comprises holding lugs ( 23 ) which are arranged in an opening of the second flat annular disc ( 21 ) and which are latched in at the connecting device ( 4 ).
21. Inhalation mask according to claim 20 , wherein the connecting device ( 4 ) comprises a latch projection ( 24 ) for engagement of the holding lugs ( 23 ) of the first flat annular disc ( 20 ).
22. Inhalation mask according to claim 19 , wherein the first flat annular disc ( 20 ) comprises a holding cylinder which is arranged in an opening of the second flat annular disc ( 21 ) and which is inserted and supported in the connecting device ( 4 ).
23. Inhalation mask according to claim 19 , wherein first and second flat annular discs ( 20 , 21 ) include markings.
24. Inhalation mask, in particular for use with a therapeutic nebuliser, the mask comprising
a main mask body including a first region ( 2 ) configured for application of the mask to a human user's face, and a second region ( 3 ), the second region comprising:
(a) a connecting device ( 4 ) connected to the therapeutic nebuliser; and
(b) a valve device comprising a plurality of exhalation openings ( 7 ) positioned in the second region ( 3 ) of the mask body to encircle the connecting device ( 4 ), and an annular valve element ( 10 ) in overlapping arrangement with the plurality of exhalation openings ( 7 ), the annular valve element ( 10 ) to positioned to encircle the connecting device ( 4 ).