EP3912614B1 - Dispositif de lavage nasal pour nettoyer les cavités nasales d'un utilisateur - Google Patents

Dispositif de lavage nasal pour nettoyer les cavités nasales d'un utilisateur Download PDF

Info

Publication number
EP3912614B1
EP3912614B1 EP20175420.7A EP20175420A EP3912614B1 EP 3912614 B1 EP3912614 B1 EP 3912614B1 EP 20175420 A EP20175420 A EP 20175420A EP 3912614 B1 EP3912614 B1 EP 3912614B1
Authority
EP
European Patent Office
Prior art keywords
main body
nasal
washing device
compressor unit
damper member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20175420.7A
Other languages
German (de)
English (en)
Other versions
EP3912614A1 (fr
Inventor
Alessandra RUOCCO
Luca Alberici
Ottorino BUGATTI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide Medical Systems SRL
Original Assignee
Air Liquide Medical Systems SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Liquide Medical Systems SRL filed Critical Air Liquide Medical Systems SRL
Priority to EP20175420.7A priority Critical patent/EP3912614B1/fr
Publication of EP3912614A1 publication Critical patent/EP3912614A1/fr
Application granted granted Critical
Publication of EP3912614B1 publication Critical patent/EP3912614B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H33/00—Bathing devices for special therapeutic or hygienic purposes
    • A61H33/60—Components specifically designed for the therapeutic baths of groups A61H33/00
    • A61H33/601—Inlet to the bath
    • A61H33/6021—Nozzles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H35/00—Baths for specific parts of the body
    • A61H35/04—Baths for specific parts of the body for the nose
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0153—Support for the device hand-held
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0165—Damping, vibration related features
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0188—Illumination related features
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1207—Driving means with electric or magnetic drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/02—Head
    • A61H2205/022—Face
    • A61H2205/023—Nose

Definitions

  • the present invention concerns a nasal washing/cleaning device for delivering a liquid solution jet, e.g. a washing/cleaning solution, such as a saline solution or the like, to the nasal cavities and/or paranasal sinuses of a user or person, especially pediatric users, such as babies, toddlers, infants or the like, thereby washing, cleaning, promoting hydration and fluidification, and allowing removal of mucus and phlegm, or the like, from the nasal areas.
  • a liquid solution jet e.g. a washing/cleaning solution, such as a saline solution or the like
  • Nasal washing devices are used for delivering a nebulized or atomized liquid solution, such as saline solutions or the like, to the nasal cavities of a person.
  • the nebulized solution contributes to the removal of excessive mucus, i.e. catarrh, present in the nasal cavities and/or paranasal sinuses of the person, thereby preparing the nasal cavities and/or paranasal sinuses for, for instance, subsequent administrations of one or several therapeutic agents, drugs or the like.
  • excessive mucus i.e. catarrh
  • the drugs or therapeutic agents that are subsequently intra-nasally administrated cannot act properly as they are stopped by the mucus and hence unable to reach the nasal areas, where they are supposed to act and/or to enter into the blood circulation of the person.
  • Nasal washing devices can be used with persons suffering from various diseases, such as rhinopharyngitis, allergic rhinitis or chronic sinusitis, and subsequently treated by antihistaminic agents, antibiotics or decongestants that are intra-nasally delivered.
  • Examples of nasal washing devices are disclosed by EP-A-2732881 and EP-A-2274033 .
  • EP-A-2732881 dislcoses a nasal washing device comprising a main body, a reservoir for containing a liquid solution to be aerosolized, nebulization means for aerosolizing the liquid solution, and a nasal interface with an exit orifice for delivering the aerosolized solution used for cleaning the nasal cavities of a user.
  • the aerosolization, i.e. atomization, of the liquid solution is obtained thanks to compressed air provided by an external compressor device that is fluidly connected to the nasal washing device by means of a flexible hose, as shown in Figure 1 .
  • EP-A-2274033 proposes a nasal washing device that is similar to the previous one except that it comprises an internal compressor unit and batteries for powering it and generating a flow of compressed air, in lieu of an external compressor device.
  • the air passage that provides ambient air to the compressor unit is located under the device, i.e. in its base, and requires a intake valve.
  • WO2009017272 A1 discloses a nasal washing device comprising : a main body comprising an electrically-driven compressor unit, a reservoir for containing a liquid solution to be aerosolized, nebulization means for aerosolizing the liquid solution, and a nasal interface comprising an exit orifice for delivering an aerosolized solution, and a damper member arranged in the main body, said damper member covering at least a part of the compressor unit.
  • compressed-air leaks also may appear at the exit of the compressor unit that may impact the efficiency of nebulization/atomization of the liquid solution.
  • the present invention provides a nasal washing device according to claim 1.
  • a nasal washing device can comprise one or several of the following additional features :
  • the invention also concerns an nasal cleaning set or assembly comprising a transport bag containing a nasal washing device according to the present invention, preferably it further comprises instructions for use, such as a user's guide or the like.
  • the disclosure concerns the use of a nasal washing assembly according to the invention, e.g. as above described, for washing the nasal cavities and/or paranasal sinuses of a paediatric person, such as a baby, a toddler or an infant, with a non therapeutically-active solution chosen among a saline solution, a hypertonic solution or thermal water.
  • Figure 1 shows a nasal washing device 111 as taught by EP-A-2732881 . It comprises a main body 114, a reservoir (not visible) for containing a liquid solution to be aerosolized, nebulization means (not visible) for aerosolizing the liquid solution, and a nasal interface 112 with an exit orifice 115 for delivering the aerosolized solution for cleaning the nasal cavities of a user.
  • Compressed air is provided by an external compressor device 116, i.e. an independant compressed-air generator, that is fluidly connected to the nasal washing device 111 by means of a flexible hose 117 that is plugged to a connector 113 of the main body 114.
  • Figures 2 and 4 show an embodiment of a nasal washing device 1 according to the present invention, preferably a portable device, that is configured for delivering a jet of aerosolized or nebulized solution, also called mist or aerosol, into the nasal cavities, i.e. nostrils, of a person for washing said nasal cavities and/or paranasal sinuses.
  • a nasal washing device 1 preferably a portable device, that is configured for delivering a jet of aerosolized or nebulized solution, also called mist or aerosol, into the nasal cavities, i.e. nostrils, of a person for washing said nasal cavities and/or paranasal sinuses.
  • the nasal washing device 1 comprises, as shown in Figures 2 and 4 , a main body 4 comprising an electrically-driven compressor unit 5 (cf. Fig. 8 and 9 ) for providing compressed air; a reservoir 3, also called liquid tank member or liquid tank, for containing a liquid solution to be aerosolized, such as a saline solution, that is arranged above and coupled to the main body 4; nebulization means 7 for aerosolizing the liquid solution; and a nasal interface 2 comprising an exit orifice 6 for delivering the aerosolized solution as a jet of liquid washing/cleaning solution particles, such as a saline solution or the like, carried by compressed air.
  • a main body 4 comprising an electrically-driven compressor unit 5 (cf. Fig. 8 and 9 ) for providing compressed air
  • a reservoir 3 also called liquid tank member or liquid tank, for containing a liquid solution to be aerosolized, such as a saline solution, that is arranged above and coupled to the main body 4
  • the jet of aerosolized washing solution i.e. aerosol made of little dropelets of liquid
  • nebulization means 7 i.e. an aerosol-generating system, that blows the liquid solution into fine liquid particles thereby creating the desired jet of fine dropelets of liquid carried by the airflow.
  • nebulization means 7 are well-known as taught by EP-A-2732881 .
  • the nebulization means 7 are hereafter detailled.
  • the main body 4, the reservoir 3, the nebulization means 7 and the nasal interface 2 fit together in a removable or detachable way. In other words, that can be connected or disconnected one from the other upon user's wishes, for instance for cleaning purposes or the like.
  • the main body 4, the reservoir 3 and the nebulization means 7 are preferably made of polymer material, such as polycarbonate (PC) or the like.
  • the nasal washing device 1 of the present invention has an overall axially-elongated shape and projects upwardly. More precisely, it comprises a generally cylindrical or quasi-cylindrical section 42 corresponding to a part of the main body 4, and a tapered section 43 comprising the nasal interface 2 that is arranged above said generally (quasi) cylindrical portion 42, when the nasal washing device 1 is viewed in its upright position as shown in Figure 2 .
  • the (quasi) cylindrical section 42 is designed and sized for being handled in one hand by the user. It is arranged above an enlarged base 41 having a flat bottom 40, i.e. a flat underneath surface, so that the nasal washing device 1 can stand in an upright position when laying on a support, such as a table or the like.
  • the generally (quasi) cylindrical 42 and the enlarged base 41 of the main body 1 are preferably made integral.
  • the main body 4 can be made of two complementary half-shells or half-parts 4a, 4b coupled together as shown in Figure 8 .
  • Each of these half-shells 4a, 4b can be molded in one-piece.
  • the half-shells 4a, 4b are made of polymer material, such as polycarbonate (PC) or the like.
  • the main body 4 further comprises a collar 50 at its upper end.
  • the collar 50 can be part of 4b of the half-shells 4a, 4b as shown in Figure 8 .
  • the collar 50 participates in the fixing of the reservoir 3, as hereater explained.
  • the main body 4 comprises an electrically-driven compressor unit 5 (cf. Fig. 8 and 9 ) driven by electrically-driven compression means that are arranged into a protective casing 13.
  • the compression means comprise an electrically-driven motor,such as a 5V DC motor, cooperating with pumping means, such as a (or several) membrane or diaphragm pump, for compressing ambient air.
  • the motor and the pumping means are arranged into the protective casing 13.
  • the compressor unit 5 provides compressed-air at a maximum pressure of for instance 2 bar, typically of about 1 bar, and at a maximum flowrate of less than 10 L/min, preferably of 5 L/min or less. Compressed-air allows nebulizating the liquid solution in the nebulization means 7.
  • Ambient air to be compressed i.e. sucked by the compressor unit 5 enters into the casing 13 via an air inlet 14 and, once compressed, exits the casing 13 via a compressed-air outlet 15, as shown in Figure 8 .
  • the air inlet 14 and the compressed-air outlet 15, i.e. orifices or the like, are arranged on the top part 13a of the casing 13 of the compressor unit 5.
  • they can be carried by little conducts 140, 150 projecting away from the external upper surface 170 of the top part 13a of the casing 13 as shown in Figure 8 , preferably axially-arranged little conducts 140, 150.
  • These conducts 140, 150 cooperates with a damper member 8 as hereafter explained.
  • the reservoir 3 or liquid tank that contains the liquid solution to be aerosolized, comprises a cylindrical portion 31 arranged above an enlarged base portion 30.
  • the cylindrical portion 31 is made of a transparent material, such as a transparent polymer and comprises volume indicators or markings comprised between 0 and 20 ml, for instance 3 ml, 6 ml, 9 ml, 12 ml and 15 ml, for allowing the user to figure out the amount/quantity of liquid solution stored in the reservoir 3.
  • a transparent material such as a transparent polymer
  • volume indicators or markings comprised between 0 and 20 ml, for instance 3 ml, 6 ml, 9 ml, 12 ml and 15 ml, for allowing the user to figure out the amount/quantity of liquid solution stored in the reservoir 3.
  • the cylindrical portion 31 of the reservoir 3 further comprises an axial hollow conduct 34 arranged at the center of the cylindrical portion 31, that is fluidically connected, by its lower orifice (not shown), to the compressed-air outlet 15 of the casing 13, namely to the conduct 150 comprising said compressed-air outlet, for recovering and conveying compressed-air into its lumen. Compressed-air is subsequently delivered by the upper orifice 35 of said axial hollow conduct 34.
  • the enlarged base portion 30 of the reservoir 4 is configured for being coupled to the main body 4 by means of a suitable coupling system, such as a male/female coupling system.
  • a suitable coupling system such as a male/female coupling system.
  • the enlarged base portion 30 comprises one or several indentations 32 cooperating with protrusions 51 arranged on the collar 50 of the main body 4, or vice versa, so that when the protrusions 51 are lodged into the indentations 32, a firm coupling of the reservoir 3 to the main body 4 is ensured.
  • the reservoir 3 and the main body 4 are, in this embodiment, fitted together.
  • this coupling can achieved by, first, a translation motion T of the reservoir 3 toward the main body 4 until they abut one against the other as the enlarged base portion 30 of the reservoir 4 forms a sleeve around a collar 50 of the main body 4, and, second, a rotation R of the reservoir 3 (or of the main body 4) until the protrusions 51 enter into the indentations 32 thereby ensuring a perfect positioning of these parts.
  • a translation motion T of the reservoir 3 toward the main body 4 until they abut one against the other as the enlarged base portion 30 of the reservoir 4 forms a sleeve around a collar 50 of the main body 4, and, second, a rotation R of the reservoir 3 (or of the main body 4) until the protrusions 51 enter into the indentations 32 thereby ensuring a perfect positioning of these parts.
  • other equivalent coupling systems can be used, such as threaded or bayonet systems.
  • the nebulization means 7 for aerosolizing the liquid solution are mounted in the cylindrical portion 31 of the reservoir 3 as shown in Figures 4 and 7 , and are inserted into the inner hollow volume 24 of the nasal interface 2.
  • the washing liquid solution such as a saline solution, that is sucked out by the flow of pressurized air provided by the compressor unit 5.
  • the nebulization means 7 or aerosol-generating system comprise an elongated hollow element 71 traversed by an axial conduit 73 terminated by an outlet orifice 72 forming an inner nozzle, as shown in Figure 3 .
  • An ejector 74 is arranged in the lumen of the axial conduit 73 of the elongated hollow element 71.
  • the elongated hollow element 71 When the elongated hollow element 71 is positioned in the reservoir 3, the elongated hollow element 71 is co-axially inserted around the axial hollow conduit 34 arranged at the center of the cylindrical portion 31, i.e. forms a sleeve around said axial hollow conduct 34.
  • a suction effect i.e. a Venturi effect
  • a little annular spacing for instance of less than 5 mm, is maintained between the elongated hollow element 71 and the axial hollow conduit 34 that are coaxially-positioned.
  • Compressed-air is delivered by the upper orifice 35 of said axial hollow conduit 34 and travels toward the ejector 74.
  • the ejector 74 can be a flow restriction, such a calibrated orifice arranged in the lumen of the elongated hollow element 71.
  • the little spacing forms a tubular hollow column or gap through which the liquid solution sucked out of the reservoir can circulated toward the ejector 74, due to the suction force caused by the compressed airflow circulating in the axial hollow conduct 34 toward its upper orifice 35.
  • the sucked liquid and the compressed air enter into contact and start to mix together in the region of the lumen 73 located between the upper orifice 35 of the axial hollow conduct 34 and the ejector 74 elongated hollow element 71.
  • the liquid/compressed air mixture traverses the ejector 74, i.e. a flow restriction, which blows the liquid into fine liquid particles thereby creating the desired nebulized stream or mist of nebulized particles of liquid carried by the airflow, i.e. the desired aerosolized jet.
  • the ejector 74 i.e. a flow restriction
  • the thus obtained aerosolized jet then exists the elongated hollow element 71 by its outlet orifice 72 forming an inner nozzle, traverses inner chamber 22 and is subsequently delivered by the exit orifice 6 of the nasal interface 2 as a micronized liquid jet or the like, as explained below.
  • the nasal interface 2 is attached to the reservoir 3, preferably threaded to the reservoir 3.
  • the enlarged base portion 30 of the reservoir 4 also comprises a thread portion 33 that cooperates with a mutual thread portion carried by an inner wall (not visible) of the nasal interface 2.
  • the nasal interface 2 is arranged around the reservoir 4, namely the nasal interface 2 forms a sleeve encompassing and covering the entire cylindrical portion 31 of the reservoir 4 and the thread portion 33 carried by the enlarged base portion 30 of the reservoir 4, as illustrated in Figure 3 .
  • the nasal interface 2 further comprises a tapered portion 21 projecting upwardly, i.e. a conical or quasi-conical portion, and further a hollow inner volume 24, i.e. a lumen, for receiving the nebulization means 7 as shown in Figure 3 .
  • the hollow inner volume 24 further comprises an inner chamber 22 that is traversed by the aerosolized jet generated by the nebulization means 7 before it is delivered by the exit orifice 6 as a micronized liquid jet or the like.
  • the tapered portion 21 of the nasal interface 2 comprises a free end forming a nozzle portion, i.e. a nasal canula or nasal prong, comprising the exit orifice 6 for delivering the jet of nebulized solution.
  • the tapered portion 21 of the nasal interface 2 has a bell-shape. It constitutes a nebulization bell.
  • the inner chamber 22 of nasal interface 2 is located in the tapered portion 21, i.e. in the bell-shaped portion, as shown in Figure 3 .
  • the tapered portion 21, i.e. the bell-shaped section, is configured and sized for being at least partially inserted into a nostril of a paediatric user, such as a baby, toddler, infant or the like, for delivering the jet of saline solution of the like therein, thereby washing the nasal cavity(ies) and/or paranasal sinus(es) of said user.
  • the tapered portion 21 of the nasal interface 2 is made of resilient material, such as silicone or the like.
  • the "cleaning wastes" exiting the nostrils are preferably recovered by a waste-collecting chamber arranged on the nasal interface 2.
  • Said waste-collecting chamber is an outer annular chamber 23 coaxially-arranged as a sleeve or skirt and projecting updwardly around the hollow inner volume 24, i.e. the lumen, of the nasal interface 2, as shown in Figures 3 and 4
  • the outer annular chamber 23 and the hollow inner volume 24 are separated by inner wall 25 as shown in Figure 3 , whereas the waste-collecting chamber 23 comprises an outer annular wall 26.
  • the length of the outer annular wall 26 of the waste-collecting chamber 23 is shorter than the length of the the tapered portion 21 of the nasal interface 2 thereby allowing an easy insertion of the nozzle part of the tapered portion 21 of the nasal interface 2 into a nostril of a user.
  • the cleaning wastes flowing out of the nostril(s) are collected by gravity and stored into the waste-collecting chamber 23 that constitutes an open receptacle for the wastes, during the duration of the washing/cleaning.
  • the main body 4 also comprises a manual actuator 9 actuable by a user, comprising a push- or press-button, for controlling the delivery of electrical power to said compressor unit 5.
  • the manual actuator 9 actuator cooperates, directly or indirectly, with the compressor unit 5 for starting the nebulization of the liquid solution, upon activation of said manual actuator 9 by the user, thereby starting a nasal cleaning operation, or conversely, for stopping the nebulization of the liquid solution, upon release of said manual actuator 9 by the user, thereby stopping the nasal cleaning operation.
  • the manual actuator 9 when actuated by a user, the manual actuator 9 cooperates with a microprocessor and an electrical circuitry for providing electric current to the compressor unit 5,thereby starting the motor of the compressor unit 5 and initiating the nebulization proceedings.
  • the microprocessor is preferably arranged on an electronic board.
  • the electric current is provided by an electrical-power source as detailed hereafter, such as a rechargeable battery.
  • the microprocessor can be also used for controlling the charge of the rechargeable electrical-power source, i.e. managing the level of charge of a rechargeable battery or the like.
  • the main body 4 comprises an air entry 12, namely one or several holes, slots or the like, arranged in its peripheral (i.e. lateral) wall as shown in Figures 9 and 10 , preferably in the upper part of the peripheral wall of the main body 4, namely in the vicinity of the reservoir 3, for prodiving ambient air to the compression unit 5.
  • the air entry 12 does not comprise any valve element, such as an intake valve, i.e. the air entry is permanently in free communication with the ambient atmopshere.
  • the device 1 further comprises a damper member 8 that is arranged in the main body 4 so as to cover the top part 13a of the casing 13 of the compressor unit 5.
  • the damper member 8 is made of resilient material, such as silicone or the like, that is able to absorb at least a part of the vibrations of the compressor unit 5, during air compression. It has a generally cup-like shape, i.e. it comprises a bottom wall 80 having a disk-shape and an annular wall 81 attached to the periphery of the bottom wall 80 and projecting away from said bottom wall 80. Preferably, the disk-shape bottom 80 is flat.
  • the damper member 8 comprises an air passage 10, i.e. one or several conduit(s) or hole(s) traversing in the annular wall 81 of the damper member 8, as visible in Figures 9 and 10 .
  • the air inlet 14 of the casing 13 of the compressor unit 5 is in fluid communication with the air entry 12 of the main body 4, via the air passage 10 of the damper element 8, as detailled in Figure 10 .
  • the compressed-air outlet 15 of the casing 13, namely the conduit 150 comprising said compressed-air outlet 15, is arranged in a compressed-air passage 11 of the damper member 8, thereby improving the gas tightness downstream of the compression unit 5, namely in the region of the compressed-air outlet 15 of the casing 13.
  • the main body 1 further comprises an electrical-power source (not shown) that is electrically-connected to the compressor unit 5 for providing electrical power to said compressor unit 5 for operating it thereby delivering compressed air used for generating the jet of aerosolized liquid.
  • the electrical-power source preferably comprises a (or several) rechargeable battery, such as a rechargeable lithium battery, for instance a Lithium Polymer 3.7V 1650mAh battery, having a duration of at least 30 min, preferably of about 45 min or more, i.e. without being recharged.
  • a micro-USB socket 45 for plugging a micro-USB cable thereto, preferably a micro-USB cable comprising a power adapter for being connected to the electrical mains (e.g. 220 V).
  • the manual actuator 9 i.e. a push- or press-button, is automatically inactivated so that no electric current is provided to the compressor unit 5 for safety reasons.
  • a mobile cap 47 such as a pivotatable cap, is arranged in the vicinity of the micro-USB socket 45 so as to protect it, when not used.
  • the cap 47 is removed, e.g. pivotated, for freeing the micro-USB socket 45 thereby allowing the user to plug the micro-USB cable thereto, when a battery charge has to be done.
  • LEDs 46 such as a row of 3 LEDs emitting a colored light (e.g. blue, red, yellow, orange, green...), for monitoring the state of charge of the battery(ies).
  • a colored light e.g. blue, red, yellow, orange, green
  • the LEDs 47 are off. The charge is partial when only 1 or 2 LEDs 46 are lit. While charging, the LEDs 46 flash.
  • the (micro-)USB socket 45, the mobile cap 47 and the LEDs 46 are arranged in the enlarged base 41 of the main body 4.
  • the nasal washing device 1 of the invention can have a weight of less than 350 g, for instance of about 200 to 280 g, measured when empty, i.e. without liquid solution in the reservoir 3. It can have for instance the following dimensions : 21 cm x 6 cm x 10 cm.
  • the nasal washing device 1 of the invention has been tested with a saline solution of NaCl (0.9%) and measurements have been made according to the European Standard UNI EN 13544-1. The results are given in the following Table.
  • Table Minimum filling volume of the reservoir 3 ml Maximum filling volume of the reservoir 15 ml Aerosol output 13 ml Aerosol output rate 10 ml/min MMAD (*) 49 ⁇ m Air pressure delivered compressor unit 1 bar Air flow delivered compressor unit 5 L/min Noise level 58 dbA Vibrations Very attenuated (*) : MMAD is the median mass aerodynamic diameter of the aerosol droplets.
  • the noise level is low and the vibrations are minimum.
  • a nasal washing device 1 according to the present invention is particularly adapted for washing the nasal cavities and/or paranasal sinuses of a paediatric person, such as a baby, a toddler or an infant.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Otolaryngology (AREA)
  • Medicinal Preparation (AREA)
  • Devices For Medical Bathing And Washing (AREA)

Claims (13)

  1. Dispositif de lavage nasal (1), comprenant :
    - un corps principal (4) comprenant une unité compresseur (5) à entraînement électrique,
    - un réservoir (3) pour contenir une solution liquide destinée à être atomisée,
    - des moyens de nébulisation (7) pour atomiser la solution liquide, et
    - une interface nasale (2) comprenant un orifice de sortie (6) pour distribuer une solution atomisée, et
    - un élément amortisseur (8) agencé dans le corps principal (4), ledit élément amortisseur (8) couvrant au moins une partie de l'unité compresseur (5), dans lequel
    - l'élément amortisseur (8) comprend un passage d'air (10) et le corps principal (4) comprend une admission d'air (12), ladite admission d'air (12) du corps principal (4) étant en communication fluidique avec le passage d'air (10) de l'élément amortisseur (8),
    - l'élément amortisseur (8) a une forme de type coupelle comprenant une paroi de fond (80) et une paroi annulaire (81) fixée à la périphérie de la paroi de fond (8) et faisant saillie en éloignement par rapport à ladite paroi de fond (8), le passage d'air (10) étant agencé dans la paroi annulaire (81) de l'élément amortisseur (8), et
    - l'unité compresseur (5) comprend un carter (13) contenant les moyens de compression à entraînement électrique, ledit carter (13) comprenant en outre une entrée d'air (14) et une sortie d'air comprimé (15), l'entrée d'air (14) du carter (13) de l'unité compresseur (5) est en communication fluidique avec l'admission d'air (12) du corps principal (4) par l'intermédiaire du passage d'air (10) de l'élément amortisseur (8), et la sortie d'air comprimé (15) du carter (13) de l'unité compresseur (5) est agencé dans un passage d'air comprimé (11) agencé dans l'élément amortisseur (8).
  2. Dispositif de lavage nasal selon la revendication précédente, caractérisé en ce que l'élément amortisseur (8) est fait de matériau résilient.
  3. Dispositif de lavage nasal selon la revendication 1, caractérisé en ce que l'élément amortisseur (8) a une forme de type coupelle comprenant une forme intérieure correspondant à la forme extérieure de la partie supérieure (13a) du carter (13) de l'unité compresseur (5).
  4. Dispositif de lavage nasal selon la revendication 3, caractérisé en ce que l'élément amortisseur (8) a une forme de type coupelle comprenant une forme intérieure correspondant à la surface d'extrémité extérieure et une portion adjacente de la paroi périphérique de la partie supérieure (13a) du carter (13).
  5. Dispositif de lavage nasal selon la revendication 1, caractérisé en ce que l'élément amortisseur (8) a une forme de type coupelle comprenant une paroi de fond (80) ayant une forme de disque.
  6. Dispositif de lavage nasal selon la revendication précédente, caractérisé en ce que l'admission d'air (12) de corps principal (4) est agencée dans la paroi périphérique dudit corps principal (4).
  7. Dispositif de lavage nasal selon la revendication 1, caractérisé en ce que le carter (13) comprend un conduit (150) comprenant la sortie d'air comprimé (15), ledit conduit (150) étant agencé dans le passage d'air comprimé (11) de l'élément amortisseur (8).
  8. Dispositif de lavage nasal selon la revendication précédente, caractérisé en ce que l'élément amortisseur (8) est agencé sur la partie de dessus (13a) du carter (13) de l'unité compresseur (5).
  9. Dispositif de lavage nasal selon la revendication précédente, caractérisé en ce que l'élément amortisseur (8) est pris en sandwich entre la partie de dessus (13a) du carter (13) de l'unité compresseur (5) et une paroi intérieure (400) du corps principal (4).
  10. Dispositif de lavage nasal selon la revendication précédente, caractérisé en ce que le corps principal (4) comprend en outre :
    - une source d'alimentation électrique agencée dans le corps principal (4), électriquement connectée à l'unité compresseur (5) pour fournir de l'énergie électrique à ladite unité compresseur (5), et
    - un actionneur manuel (9) actionnable par un utilisateur pour commander la distribution d'énergie électrique à ladite unité compresseur (5).
  11. Dispositif de lavage nasal selon la revendication précédente, caractérisé en ce que le corps principal (4) comprend en outre :
    - une prise (micro-)USB (45) pour recharger la source d'alimentation électrique et
    - une ou plusieurs LEDs (46) pour indiquer l'état de charge de la source d'alimentation électrique.
  12. Ensemble de lavage nasal selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps principal (4) comprend une section généralement cylindrique ou quasi-cylindrique (42) conçue et saisie pour être manipulée dans une main par l'utilisateur, ladite section généralement cylindrique ou quasi-cylindrique (42) étant agencée au-dessus d'une base agrandie (41) ayant un fond plat (40) pour que le dispositif de lavage nasal (1) puisse se tenir dans une position verticale lorsqu'il repose sur un support.
  13. Trousse de nettoyage nasal, comprenant un sac de transport contenant un dispositif de lavage nasal (1) selon l'une quelconque des revendications précédentes, de préférence elle comprend en outre des instructions pour l'utilisation.
EP20175420.7A 2020-05-19 2020-05-19 Dispositif de lavage nasal pour nettoyer les cavités nasales d'un utilisateur Active EP3912614B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20175420.7A EP3912614B1 (fr) 2020-05-19 2020-05-19 Dispositif de lavage nasal pour nettoyer les cavités nasales d'un utilisateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20175420.7A EP3912614B1 (fr) 2020-05-19 2020-05-19 Dispositif de lavage nasal pour nettoyer les cavités nasales d'un utilisateur

Publications (2)

Publication Number Publication Date
EP3912614A1 EP3912614A1 (fr) 2021-11-24
EP3912614B1 true EP3912614B1 (fr) 2024-08-14

Family

ID=70779490

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20175420.7A Active EP3912614B1 (fr) 2020-05-19 2020-05-19 Dispositif de lavage nasal pour nettoyer les cavités nasales d'un utilisateur

Country Status (1)

Country Link
EP (1) EP3912614B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4206467A1 (fr) * 2022-01-04 2023-07-05 Air Liquide Medical Systems S.R.L. Dispositif de compresseur pour fournir de l'air comprimé à un dispositif médical

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10239321B3 (de) * 2002-08-27 2004-04-08 Pari GmbH Spezialisten für effektive Inhalation Aerosoltherapievorrichtung
KR100900317B1 (ko) * 2007-07-27 2009-06-02 주식회사 웰뷰텍 콧물 흡인 장치
ITBS20080081A1 (it) * 2008-04-15 2009-10-16 Flaem Nuova Spa Dispositivo per il lavaggio delle cavita' nasali con pompa incorporata
US10682331B2 (en) * 2012-02-24 2020-06-16 Nasoneb, Inc. Nasal drug delivery and method of making same
EP2732881B1 (fr) 2012-11-14 2015-05-06 Air Liquide Medical Systems S.p.A. Micro-nébuliseur pour le nettoyage ou le traitement du nez
CN210472590U (zh) * 2019-05-24 2020-05-08 苏州三昧火医疗器械有限公司 一种便携式鼻腔冲洗器

Also Published As

Publication number Publication date
EP3912614A1 (fr) 2021-11-24

Similar Documents

Publication Publication Date Title
TWI345462B (fr)
US8925544B2 (en) Portable nebulizer device
US9402947B2 (en) Portable fluid delivery system for the nasal and paranasal sinus cavities
JP6729707B2 (ja) 鼻粘液アスピレータ用付属品、鼻粘液アスピレータ、キット
ES2429867T3 (es) Aparato nebulizador
EP2337600B1 (fr) Système de distribution d'oxygène supplémentaire
JP3470102B2 (ja) 医療機器
WO1986001731A1 (fr) Vaporisateur servant a divers usages
US20160339188A1 (en) Portable Fluid Delivery System for the Nasal and Paranasal Sinus Cavities
EP1977778A1 (fr) Nébulisateur électronique pour laver les cavités nasales d'un utilisateur
EP2732881B1 (fr) Micro-nébuliseur pour le nettoyage ou le traitement du nez
JP4469972B2 (ja) 呼吸器系への薬剤の送給のための装置及び方法
JP2006212203A (ja) 吸入装置、及び液剤吐出カートリッジ
US20120152238A1 (en) Nasal Nebulizer for Transporting and Storing Fluids
WO2017133495A1 (fr) Ensemble coupelle d'atomisation et atomiseur à compression
CN113058144B (zh) 鼻腔循环给药装置
EP3912614B1 (fr) Dispositif de lavage nasal pour nettoyer les cavités nasales d'un utilisateur
KR20130097239A (ko) 가스 미스트 흡입기
WO2009017272A1 (fr) Coffret d'assistance respiratoire
CN101336864B (zh) 喷吸鼻装置
WO2022078188A1 (fr) Appareil d'atomisation électronique jetable pour une injection de liquide pratique
EP2822623B1 (fr) Dispositif nébuliseur portable
WO2023071818A1 (fr) Atomiseur intégrant un tamis et un embout buccal
CN210277696U (zh) 一种儿童安全型洗鼻器
WO2013126650A1 (fr) Nébuliseur nasal pour transporter et stocker des fluides

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

B565 Issuance of search results under rule 164(2) epc

Effective date: 20201103

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220524

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20240325

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: AIR LIQUIDE MEDICAL SYSTEMS SRL

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: AIR LIQUIDE MEDICAL SYSTEMS S.R.L.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602020035622

Country of ref document: DE