[특허]Elbow for a respiration mask

Draegerwerk AG & Co. KGaA

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Elbow for a respiration mask

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A62B-009/04 A61M-016/08 A61M-016/06 A61M-016/20 A61M-016/00
출원번호	US-0063009 (2013-10-25)
등록번호	US-9731091 (2017-08-15)
우선권정보	DE-10 2012 020 917 (2012-10-25)
발명자 / 주소	Wallnewitz, Oliver Soltész, Krisztina Gawrysch, Alexandra
출원인 / 주소	Draegerwerk AG & Co. KGaA
대리인 / 주소	McGlew and Tuttle, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 32

초록
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An elbow (1), for a respiration mask for the artificial respiration of a patient, includes an angular tube (30), which defines a breathing gas duct (10), with a tube port (11) with an inlet opening (12) for connecting a breathing tube (7) and with a mask port (13) with an outlet opening (14) for connecting the respiration mask (9). The elbow also includes an anti-suffocation valve (18) and carbon dioxide expiration openings (19). The elbow (1) is able to be switched, while being able to be handled in a simple manner, in different open and closed states for the anti-suffocation valve (18) and the carbon dioxide expiration openings (19). The elbow (1) includes only one (a single) switching member (20) for activating and deactivating the anti-suffocation valve (18) and the carbon dioxide expiration openings (19).

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1. A patient artificial respiration mask elbow comprising: an angular tube defining a breathing gas duct;a tube port with an inlet opening for connecting to a breathing tube or Y-piece;a mask port with an outlet opening for connecting to a respiration mask;an anti-suffocation valve with an anti-suffocation opening, said anti-suffocation valve automatically and selectively providing a flow path from said mask port through the anti-suffocation opening to ambient air in case of a defect;carbon dioxide expiration openings, said carbon dioxide expiration openings being separate and spaced from said anti-suffocation valve and said anti-suffocation opening; andonly one switching member selectively movable for activating and deactivating the anti-suffocation valve and for activating and deactivating the carbon dioxide expiration openings. 2. The elbow in accordance with claim 1, wherein the switching member comprises one of a rotating ring, a lever, a slide and a rotating wheel. 3. The elbow in accordance with claim 1, further comprising a first actuating element for activating and deactivating the anti-suffocation valve at the anti-suffocation valve and a second actuating element for activating and deactivating the carbon dioxide expiration openings at the carbon dioxide expiration openings. 4. The elbow in accordance with claim 3, wherein one of: the first actuating element and the second actuating element each comprise a mechanical functional connection mechanism with the switching member, the first actuating element and the second actuating element moving between an activation position and a deactivation position by means of the only one switching member; andthe elbow further comprises a mechanism for mechanically connecting the switching member to the first actuating element and to the second actuating element. 5. The elbow in accordance with claim 3 wherein at least one of: the first actuating element comprises a flap, a roller blind or an elastically deformable diaphragm; andthe switching member is arranged on the outside at the elbow; andone of the first actuating element and the second actuating element is arranged within the breathing gas duct, at the elbow. 6. The elbow in accordance with claim 5, wherein a fork part is fastened to the switching member and performs a motion of the switching member with no contact between the fork part and the flap or diaphragm in an activation position of the fork part;the fork part is in contact with the flap or diaphragm in a deactivation position of the fork part; andan anti-suffocation opening of the anti-suffocation valve is closed upon contact with the flap or diaphragm. 7. The elbow in accordance with claim 3, wherein at least one of: the second actuating element is formed as a part of the switching member; andthe second actuating element is formed by a flap, a roller blind or a diaphragm. 8. The elbow in accordance with claim 1, wherein the switching member is mounted movably between at least three different switching positions. 9. The elbow in accordance with claim 8, wherein: the anti-suffocation valve and the carbon dioxide expiration openings are activated in a first switching position of the at least three different switching positions of the switching member;the anti-suffocation valve is activated and the carbon dioxide expiration openings are deactivated in a second switching position of the at least three different switching positions of the switching member; andthe anti-suffocation valve is deactivated and the carbon dioxide expiration openings are deactivated in a third switching position of the switching member. 10. The elbow in accordance with claim 9, wherein: the at least three different switching positions comprises four switching positions; andthe anti-suffocation valve is deactivated and the carbon dioxide expiration openings are activated in a fourth switching position of the switching member. 11. The elbow in accordance with claim 4, wherein the switching member comprises a ring mounted on an outside at a straight section of the angular tube, the ring being movable in a direction of a longitudinal axis of the straight section. 12. The elbow in accordance with claim 11, wherein the ring is at least one of: a rotating ring that is rotatable about an axis of rotation which corresponds to the longitudinal axis of the straight section of the angular tube; andconnected movably with the angular tube by at least one of a threaded connection and a sliding block guide and the mechanism and the ring can be detachably fixed in the different switching positions via at least one of the threaded connection, the sliding block guide and the mechanism. 13. A mask system comprising: a respiration mask; andan elbow, the elbow comprising:an angular tube defining a breathing gas duct;a tube port with an inlet opening for connecting to a breathing tube or Y-piece;a mask port with an outlet opening for connecting to a respiration mask;an anti-suffocation valve with an anti-suffocation opening, the anti-suffocation valve automatically and selectively providing a flow path from the mask port through the anti-suffocation opening to ambient air in case of a defect, said anti-suffocation valve being selectively able to be activated to provide the automatic and selective providing of said flow path, said anti-suffocation valve being selectively able to be deactivated to always block said flow path of said anti-suffocation valve;carbon dioxide expiration opening arrangement, the carbon dioxide expiration opening arrangement being separate from the anti-suffocation valve and said anti-suffocation opening; anda single switching member selectively movable for activating and deactivating of each of the anti-suffocation valve and one or more carbon dioxide expiration openings of the carbon dioxide expiration opening arrangement. 14. The mask system in accordance with claim 13, further comprising a first actuating element for activating and deactivating the anti-suffocation valve at the anti-suffocation valve and a second actuating element for activating and deactivating the carbon dioxide expiration openings at the carbon dioxide expiration openings, wherein one of: the first actuating element and the second actuating element each comprise a mechanical functional connection mechanism with the switching member, the first actuating element and the second actuating element moving between an activation position and a deactivation position by means of the only one switching member; andthe elbow further comprises a mechanism for mechanically connecting the switching member to the first actuating element and to the second actuating element. 15. The mask system in accordance with claim 13, further comprising a first actuating element for activating and deactivating the anti-suffocation valve at the anti-suffocation valve and a second actuating element for activating and deactivating the carbon dioxide expiration openings at the carbon dioxide expiration openings, wherein at least one of: the second actuating element is formed as a part of the switching member; andthe second actuating element is formed by a flap, a roller blind or a diaphragm. 16. The mask system in accordance with claim 13, wherein the switching member is mounted movably between at least three different switching positions;the anti-suffocation valve and the carbon dioxide expiration openings are activated in a first switching position of the at least three different switching positions of the switching member;the anti-suffocation valve is activated and the carbon dioxide expiration openings are deactivated in a second switching position of the at least three different switching positions of the switching member; andthe anti-suffocation valve is deactivated and the carbon dioxide expiration openings are deactivated in a third switching position of the switching member. 17. The respiration valve arrangement in accordance with claim 1, wherein the switching member is mounted movably between at least three different switching positions;the anti-suffocation valve and the carbon dioxide expiration opening is activated to provide the flow path and to open the carbon dioxide expiration opening in a first switching position of the at least three different switching positions of the switching member;the anti-suffocation valve opening is activated to provide the flow path and the carbon dioxide expiration opening is deactivated to close the carbon dioxide expiration opening in a second switching position of the at least three different switching positions of the switching member; andthe anti-suffocation valve is deactivated to close the flow path and the carbon dioxide expiration opening is deactivated to close the carbon dioxide expiration opening in a third switching position of the switching member. 18. A respiration valve arrangement comprising: a tube port with an inlet opening adapted to connect to a breathing tube;a mask port with an outlet opening adapted to connect to a respiration mask;a middle section arranged between said tube port and said mask port;an anti-suffocation valve arrangement in said middle section, said anti-suffocation valve arrangement automatically providing a flow path from said mask port through an anti-suffocation opening to ambient air if a defect;a carbon dioxide expiration opening arranged in said middle section and being separate and spaced from said anti-suffocation opening;a single switching member selectively movable into a plurality of positions by an operator, a first position of said plurality of positions closing said anti-suffocation opening and closing said carbon dioxide expiration opening independent of a defect, a second position of said switching member closing said carbon dioxide expiration opening and allowing said anti-suffocation valve arrangement to automatically provide said a flow path to ambient air if a defect, a third position of said switching member opening said carbon dioxide expiration opening and allowing said anti-suffocation valve arrangement to automatically provide said a flow path to ambient air if a defect. 19. The respiration valve arrangement in accordance with claim 18, further comprising a first actuating element activating said anti-suffocation valve arrangement to provide said flow path if a defect occurs and said first actuating element deactivating the anti-suffocation valve arrangement to close said anti-suffocation valve opening independent of a defect, and a second actuating element for activating and deactivating the carbon dioxide expiration opening at the carbon dioxide expiration opening, wherein one of: the first actuating element and the second actuating element each comprise a mechanical functional connection mechanism with the single switching member, the first actuating element and the second actuating element moving between an activation position and a deactivation position by means of the single switching member; andthe respiration valve arrangement further comprises a mechanism for mechanically connecting the switching member to the first actuating element and to the second actuating element. 20. The respiration valve arrangement in accordance with claim 18, further comprising a first actuating element activating said anti-suffocation valve arrangement to provide said flow path if a defect occurs, and said first actuating element deactivating the anti-suffocation valve arrangement to close said anti-suffocation valve opening independent of a defect, and a second actuating element for activating and deactivating the carbon dioxide expiration opening at the carbon dioxide expiration opening, wherein at least one of: the second actuating element is formed as a part of the switching member; andthe second actuating element is formed by a flap, a roller blind or a diaphragm.

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Elbow for a respiration mask

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Elbow for a respiration mask

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