Applicators for a Nasal Cannula
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Accused Products
Abstract
The invention relates to an applicator for a nasal cannula, comprising a body (11) enclosing a hollow space (22). The applicator further comprises tube connections (20, 21) for supplying a respirable gas into the hollow space (22). The applicator further comprises prongs (18, 19) for administering the respirable gas into the nostrils of a person. A valve (15, 16, 17, 38, 42) is located in a wall of the body (11) so that respirable gas can flow from the outside through the valve into the hollow space (22), but not in the reverse direction. The invention further relates to an applicator having a top of sealing cones (23, 24), wherein the sealing cones (23, 24) may be provided with rim-shaped sealing lips on their side facing away from the body (11), which produce a tight seal with the inner wall of the respective nostril.
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Citations
24 Claims
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1-12. -12. (canceled)
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13. Applicator for a nasal cannula, comprising:
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a body enclosing a hollow space; a first tube connection and a second tube connection for supplying a respirable gas into the hollow space, the first and second tube connections being integrally formed on the body; a first prong and a second prong for administering the respirable gas into the nostrils of a person, the first and second prongs being integrally formed on the body; a valve in a wall of the body, the valve being constructed such that respirable gas can flow from the outside through the valve into the hollow space and further to the prongs and a significant gas flow from the hollow space through the valve to the outside is prevented. - View Dependent Claims (14, 15, 16, 17)
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18. Applicator for a nasal cannula, comprising:
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a body enclosing a hollow space; a first tube connection and a second tube connection for supplying a respirable gas into the hollow space, the first and second tube connections being integrally formed on the body; a first prong and a second prong for administering the respirable gas into the nostrils of a person, the first and second prongs being integrally formed on the body; a top slipped over the prongs for sealing between the prongs and the inner wall of the respective nostril, the top being formed of a first sealing cone and a second sealing cone, the word component “
cone”
being to merely indicate that the sealing cones on the side facing away from the body have a different cross-section than on the side facing the body, and the shape of the cross-section of the sealing cones depending on the distance from the body,the sealing cones being provided with one or more rim-shaped sealing lips on their side facing away from the body, thereby producing a tight seal with the inner wall of the respective nostril. - View Dependent Claims (19)
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20. Applicator for a nasal cannula, comprising:
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a body enclosing a hollow space; a first tube connection and a second tube connection for supplying a respirable gas into the hollow space, the first and second tube connection being integrally formed on the body; a first prong and a second prong for administering the respirable gas into the nostrils of a person, the first and second prongs being integrally formed on the body; a top slipped over the prongs for sealing between the prongs and the inner wall of the respective nostril, the top being formed of a first sealing cone and a second sealing cone, the word component “
cone”
being to merely indicate that the sealing cones on the side facing away from the body have a different cross-section than on the side facing the body, and the shape of the cross-section of the sealing cones depending on the distance from the body,each of the two sealing cones comprising an inner part and an outer cone as well as ribs, an inner circumferential surface of the inner part forming a fit with the outer circumferential surface of the respective prong and the ribs mechanically connect the inner part to the respective outer cone to allow a gas flow parallel to the inner part between the inner part and the respective outer cone. - View Dependent Claims (21, 22)
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23. Applicator for a nasal cannula, comprising:
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a body enclosing a hollow space; a first tube connection and a second tube connection for supplying a respirable gas into the hollow space, the first and second tube connections being integrally formed on the body; a first prong and a second prong for administering the respirable gas into the nostrils of a person, the first and second prongs being integrally formed on the body, the prongs comprising a collar on their nose-sided end; a top slipped over the prongs for sealing between the prongs and the inner wall of the respective nostril, outer diameter of the collar being larger than the clear cross-section of the top. - View Dependent Claims (24)
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Specification