Source: https://patents.google.com/patent/EP2308539B1/en
Timestamp: 2019-11-11 21:27:48
Document Index: 695311839

Matched Legal Cases: ['art 23', 'art 23', 'art 23', 'art 202', 'art 202', 'art 202', 'art 202']

EP2308539B1 - Device for supplying respiratory gas, humidifying device, respiratory gas tube, and connecting device therefor - Google Patents
EP2308539B1
EP2308539B1 EP10185455.2A EP10185455A EP2308539B1 EP 2308539 B1 EP2308539 B1 EP 2308539B1 EP 10185455 A EP10185455 A EP 10185455A EP 2308539 B1 EP2308539 B1 EP 2308539B1
EP10185455.2A
2000-08-04 Application filed by ResMed R&D Germany GmbH filed Critical ResMed R&D Germany GmbH
2013-11-06 First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27438973&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2308539(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
239000007789 gases Substances 0 claims title 15
230000000241 respiratory Effects 0 claims title 15
The invention relates to a device for supplying a breathing gas under pressure and a humidifying device for a device for supplying a breathing gas under pressure.
A device for supplying a breathing gas under overpressure with a blower device for conveying the breathing gas, a housing device for receiving the blower device and a connecting device for connecting a moistening device for moistening the breathing gas conveyed by the conveyor is discussed. Furthermore, a humidification device for humidifying a respiratory gas and a breathing gas hose and a connection device for this purpose are discussed.
WO 99/22793 A1 . WO 98/57691 A1 and US 5,564,415 each discloses a device for supplying gas to a person and a humidifier.
Devices for supplying a respiratory gas under overpressure are used, in particular, in the field of sleep therapy for the treatment of sleep-related respiratory disorders. By supplying the respiratory gas under a predetermined pressure usually in the range of 5-20 mbar, a pneumatic splinting of the upper respiratory tract of a patient is achieved in a physiologically well tolerated manner, whereby an obstruction of this airway area can be effectively prevented.
Usually, the breathing gas is formed directly from the preferably sucked by a filter device ambient air. Depending on the particular seasonally fluctuating climatic conditions, it has proven to be advantageous to temporarily moisten the patient, for example via a blower device under a controlled, possibly alternating pressure, supplied breathing gas. For this purpose, it is possible, for example, to insert a humidifying device into the respiratory gas path between the fan device and the respiratory mask via a hose adapter. There are also known CPAP devices with integrated humidifying device.
By means of the devices discussed herein, it is advantageously possible to simply and without the need for a professional assembly technique couple a humidifier immediately laterally to a CPAP device without having to raise the CPAP device therefor. Advantageously, in this case lower Aufstellabschnitte act on which the CPAP device is set up, directly as a guide device that allows easy insertion of the moistening device to the CPAP device. For example, if there is no temporary need for a moistening device, or if the moistening device is to be temporarily disconnected from the CPAP device for the purpose of cleaning, the CPAP device may remain unaltered at its location and the moistening device may simply be withdrawn sideways, especially withdrawn ,
An embodiment of the invention which is particularly advantageous with regard to a particularly reliable coupling of a pressure measuring line is given by the fact that the connecting device has said pipe socket for the passage of the respiratory gas and a line section adjacently arranged for coupling a pressure measuring line.
With regard to a moistening device, the object stated at the outset is achieved by a moistening device discussed herein. Such a humidification device can be coupled in a simple manner by a layman to a corresponding CPAP device, without that this requires a professional assembly technology or a connection hose. The CPAP device does not need to be raised for this purpose.
The level in the humidification area is advantageously metered by venting the liquid storage space to dispense a portion of the liquid from the liquid storage space. The air for ventilation of the liquid storage space is sucked for this purpose according to a particularly preferred embodiment of the invention over the humidification area.
The liquid reservoir is preferably formed by a pot-like housing part. This housing part is preferably formed from a transparent or translucent material. Due to the design of the housing part of a plastic material splinter protection and a further reduction of heat losses is achieved in an advantageous manner.
The hose line connected to the additional coupling section is usually a pressure measuring line. However, this additional hose line can also be designed as an analysis line for taking a breathing gas sample or as a flushing line for replacing spent breathing gas or as a supply line, for example, for oxygen.
In an area facing away from the front end side of the base body, a breathing tube attachment portion is advantageously formed in which the breathing tube is fastened in a sealing manner, in particular glued or vulcanized. Alternatively, or in combination with these measures, it is also possible to form in the breathing tube attachment portion an internal thread zone which is complementary to the outer peripheral surface of a breathing tube having a spiral insert molded.
Also towards the Aternschlauch out according to a preferred embodiment of the invention, the inner region of the breathing gas passageway channel is formed such that a substantially stepless transition is achieved in the breathing tube. This also achieves an effective reduction of the respiratory resistance.
The following points are discussed.
6. The device according to at least one of the items 1 to 5, characterized in that the liquid storage space is arranged in the use position of the device above the humidification area.
20. The device according to at least one of items 1 to 19, characterized in that the dividing wall forming integral part is sealingly inserted into the tubing element via a first circumferential sealing means, and in that the integral part further comprises a second circumferential sealing means sealing in communication with the partition the liquid reservoir closes.
25. Apparatus for moistening a respiratory gas with a liquid storage space for storing a liquid, a moistening area for loading the respiratory gas with the liquid by the respiratory gas in the moistening area comes into contact with the liquid, a breathing gas supply means for supplying the respiratory gas to the moistening, and- one Breathing gas discharge device for discharging the humidified breathing gas from the humidifying area, in particular according to at least one of the points 16 to 39, characterized in that the liquid storage space is formed by a housing part which is coupled to a tub element for forming the humidifying area, and in that a Aufstellgehäuseteil is provided Receiving a unit formed by the housing part and the tub element.
26. The device according to item 25, characterized in that the erection housing is provided with connection means for coupling the erection housing directly with a CPAP device.
41. breathing tube connecting device according to at least one of the points 32 to 40, characterized in that in the channel section, the additional hose line (308) inserted in a sealing manner, in particular glued or fixed.
42. Breathing hose connecting device according to at least one of the points 32 to 41, characterized in that the auxiliary hose line (308) up to a front end side (312) of the base body (303) through the channel portion (309) and into the coupling portion (305) is led into it.
43. The breathing tube connecting device according to at least one of the points 32 to 42, characterized in that in a front end face (312) of the base body (303) facing away from a breathing tube attachment portion (306) is formed in soft the breathing tube (301) in a sealing manner fastened in particular glued or vulcanized.
56. Terminal structure component according to item - 54 or 55, characterized in that the plate portion is coated with a sound-absorbing soft material.
58. A terminal structure component according to at least one of the points 49 to 57, characterized in that the two tubular pins extend substantially perpendicularly from the plate portion.
a perspective view of the moistening device according to Figures 3 and 4 with respect to the provided for connection to a CPAP device connector terminals;
a front view of the base body of the connecting device:
Fig. 11a, b, c
In the Fig. 1 The device arrangement shown comprises a CPAP device generally designated by the reference numeral 1 and a moistening device 2 connected thereto in modular fashion. The CPAP device 1 here has a substantially block-shaped or box-shaped housing 3 which has a front end face 4, two opposite one another in pairs and mutually substantially parallel side surfaces 5, 6 and a relative to the front end face 4 in the rear region of the housing 3 arranged rear 7 and an upper top surface 8, in the region of the front end face 4, a connecting device 9 is provided which in the illustrated here Embodiment a breathing gas connection piece 10, a Druckmeßschlauchanschlußstutzen 11 and an electrical connection device 12 has. The breathing gas connection piece 10 and the Druckmeßschlauchanschlußstutzen 11 are arranged in a recess 13 shown here only hinted substantially completely sunk. The contact elements of an electrical connection device 12 are received in a recess, so that these connecting members also not or not substantially survive over a defined by the front face 4 surface.
The moistening device 2 comprises a base body 16 and a liquid reservoir 17 accommodated therein. The fluid reservoir 17 can be removed from the base housing 16, for example, for adding moistening fluid. The base housing has a correspondingly complementary to the front end face 4 of the CPAP device 1 formed pad portion 18, in which the below still with reference to Fig. 2 located in detail explained connecting organs.
How out Fig. 2 clearly shows, provided on the part of the CPAP device 1 connecting device 9 is complementary to the provided by the moistening device 2 connecting device 21 is formed. The two connection devices 9 and 21, as shown by the arrow 22, can be brought together in Füstellung. A particularly effective pre-positioning of the connecting members, in particular the breathing gas connection piece 10 and the corresponding counterpart 23 is achieved in this embodiment in that the counterpart 23 is also centered by the inner wall 24 of the recess 13. The breathing gas connection piece 10 and provided by the moistening device 2 counterpart 23 are at exactly the same vertical height level. On the output side of the moistening device, a connection structure is provided which corresponds in its essential dimensions to the connection structure provided on the side of the CPAP device. The breathing tube connector 25 shown here can thus be coupled, if necessary, directly to the CPAP device 1 or to the moistening device 2. Due to an integrated into the humidifier Druckmeßverbindungsleitung is even when the breathing tube connector 25 is connected to the humidifier 2, a connection between the Druckmeßschlauch 26 and the Druckmeßschlauchanschlußstutzen 11 given. The foregoing with reference to the Fig. 1 and 2 described. CPAP device arrangement may be used as described in the following application example.
The tub member 201 and the pot member 202 are coupled to each other in a sealing manner. The coupling of tub element 201 and cup part 202 takes place via a sealing structure 206, which has a first sealing ring 207 and a second sealing ring 208 in the embodiment shown here. The two sealing rings 207 and 208 are received in circumferential grooves, which are formed in a separating element 209. The separating element 209 has an here formed integrally partition wall 205.
The partition wall 205 separates the inner portion of the cup portion 202 from the inner portion of the tub member 201.
Below the Druckmeßanschlußstutzens 218 the erection housing 204 is provided with a breathing tube connection piece 219. The hose connection members formed on the output side of the humidification device are identical to those of a CPAP device in that corresponding connection hoses can either be connected directly to the CPAP device or, if necessary, when using the humidifying device only to the output side of the humidification device 202 Reference numeral 16 marked connecting piece is provided a connector means not shown here, via which an electrical connection between the heater 214 and provided on the part of the CPAP device power supply device can be produced. Possibly. It is also possible to transmit electrical signals, for example pressure measuring signals, via this plug connection device.
The erection housing 204 is further provided with a fastening device 220, via which the moistening device can be mechanically comparatively rigidly coupled to a CPAP device.
The fluid conduit device 221, the dosing line device 222 and the partition wall 5 are formed in the embodiment shown here by an integral part. For introducing the liquid into the liquid storage space, it is possible to withdraw said integral part from the pot part 202. Possibly. For example, the cup part 202 can also be provided with a corresponding, sealingly closable refill opening. The cup portion 202, the dividing wall integral part and the tub member may each be cleaned separately. The dosing line device 222 is such designed such that the second orifice 224 provided thereon is above the maximum fill level of the liquid storage space 210.
In Fig. 5 is the preceding in connection with the Fig. 3 and 4 described moistening device shown in perspective. The pot part, which is preferably formed from a transparent material, can be seen here as a cup which is essentially cylindrical. This cup is inserted in a likewise cylindrical, formed in the erection housing 204 receiving portion. In the area of the cup part 202, the erection housing 204 is designed such that the cup part can be grasped with one hand. In the area of the rear side 226 of the moistening device are already in connection with Fig. 3 described connecting piece 217 or Druckmeßanschlußstutzen 218 provided. Below the said connection piece is the in Fig. 3 designated by the reference numeral 220 fastening means by which a particularly rigid coupling of the moistening device can be achieved with a corresponding CPAP device. In a provided below the connecting piece 216 receiving trough an electric connector means not shown here is provided to provide an electrical connection of the heater with the associated CPAP device.
Inside the breathing tube 301 is an additional tube - here Druckmeßschlauch 308 out. The Druckmeßschlauch 308 opens via a formed in the base body 2 through-channel 309 in the coupling portion 305. The Druckmeßschlauch 308 is glued or vulcanized into the base body 302. The passageway 309 is formed so that the Druckmeßschlauch 308 is only slightly curved. The angle a between the longitudinal center axis of the coupling portion 304 and the longitudinal center axis of the feedthrough channel 309 is preferably less than 35 °.
Apparatus (1) for supplying a respiratory gas under an increased pressure comprising:
- a blowing device for delivering the respiratory gas,
- a housing device (3) having a bottom region,
- a top surface region (8) and a side region extending upwardly between the top surface region (8) and the bottom region, and a connecting device (9) for directly connecting a humidifying apparatus (2) for humidifying the respiratory gas, wherein the connecting device (9) is arranged in the side region of the apparatus (1) such that the humidifying apparatus (2) can be laterally coupled thereto, in such a way that the apparatus (1) and the humidifying apparatus (2) are set up on a substantially flat support and that the humidifying apparatus (2) is disposed in a coupling position beside the apparatus (1) for supplying respiratory gas under an increased pressure.
Apparatus (1) as set forth in claim 1 characterised in that there is provided a latching device for holding the humidifying apparatus (2) in a joined position.
Apparatus (1) as set forth in claim 2 wherein the latching device further facilitates manual releasability of the humidifying apparatus (2) from the connecting device (9).
Apparatus (1) as set forth in at least one of the preceding claims characterised in that there is provided a support member (15) arranged such that the connecting device (9) is held at a level in respect of height which is matched to the vertical level in respect of height of the connecting members (21) provided on the humidifying apparatus (2).
Apparatus (1) as set forth in any one of the preceding claims characterised in that the connecting device (9) is oriented substantially in a joining direction (14).
Apparatus (1) as set forth in at least one of the preceding claims characterised in that the connecting device (9) comprises connecting members and that at least one of the connecting members is formed by a connecting portion (10).
Apparatus (1) as set forth in at least one of the preceding claims characterised in that a surface portion of the side region is of a substantially complementary configuration to a portion of the humidifying apparatus (2), which portion is adjacent in the joined position.
Apparatus (1) as set forth in at least one of the preceding claims wherein in the bottom region there are provided engagement structures which can be brought into engagement with engagement portions of a substantially complementary configuration on the humidifying apparatus (2).
Apparatus (1) as set forth in at least one of the preceding claims characterised in that the connecting device (9) has said connecting portion (10) for conducting the respiratory gas therethrough and a conduit portion (11) for coupling a pressure-measuring conduit.
Apparatus (1) as set forth in claim 8 with the features of claim 6 characterised in that the connecting portion (10) and the conduit portion (11) are arranged in mutually adjacent relationship.
Apparatus (1) as set forth in at least one of the preceding claims characterised in that the two connecting portions (10) are arranged in an opening (13).
Apparatus (1) as set forth in at least one of the preceding claims characterised in that said connecting device (9) does not project substantially beyond a surface defined by the side region (4) of the apparatus (1).
Apparatus (1) as set forth in at least one of the preceding claims characterised in that the connecting device (9) further includes electrical connecting members (12) for affording an electrical connection to the humidifying apparatus (2).
Apparatus (1) as set forth in claim 13 characterised in that the electrical connecting members (12) are adapted for transmitting electrical signals, particularly for supplying voltage to the humidifying apparatus (2) and/or the transmission of a filling level signal.
Apparatus (1) as set forth in at least one of the preceding claims characterised in that centering aids are provided, wherein preferably the inside wall of the opening which receives the connecting portion (10) is matched to the outside peripheral surface of the connecting projection (216) provided on the humidifying apparatus (2).
A humidifying apparatus (2) for an apparatus (1) for supplying a respiratory gas under an increased pressure comprising a base housing (16) and a receiving container (17) for storing humidifying water for connection to an apparatus (1) for supplying a respiratory gas under an increased pressure, in particular as set forth in one of claims 1 through 15, characterised in that the humidifying apparatus (2) has a connecting device (21) which permits coupling directly to a connecting device (9) provided in the side region of an apparatus (1) for supplying a respiratory gas under an increased pressure, in such a way that the humidifying apparatus (2) is disposed in the coupling position beside the apparatus (1) for supplying a respiratory gas under an increased pressure, wherein the humidifying apparatus (2) is adapted to be coupled to the apparatus (1) for supplying a respiratory gas under an increased pressure such that the apparatus (1) for supplying a respiratory gas under an increased pressure and the humidifying apparatus (2) are set up on a substantially flat support.
A humidifying apparatus (2) as set forth in claim 16 characterised in that the humidifier connecting device (21) is of a complementary configuration to the connecting device (9) provided on the side of the apparatus (1) for supplying a respiratory gas under an increased pressure.
A humidifying apparatus (2) as set forth in claim 16 or 17 further comprising an installation housing (204) and a fixing device (220) to mechanically couple the humidifying apparatus (2) to the apparatus (1) for supplying a respiratory gas under an increased pressure.
EP2308539B1 true EP2308539B1 (en) 2016-04-20
EP (4) EP2308539B1 (en)
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