EP0814747B1 - Device for irrigating or washing the nasal cavities and the rhinopharynx - Google Patents

Device for irrigating or washing the nasal cavities and the rhinopharynx Download PDF

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Publication number
EP0814747B1
EP0814747B1 EP96909098A EP96909098A EP0814747B1 EP 0814747 B1 EP0814747 B1 EP 0814747B1 EP 96909098 A EP96909098 A EP 96909098A EP 96909098 A EP96909098 A EP 96909098A EP 0814747 B1 EP0814747 B1 EP 0814747B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
solution
nasal
bag
bell
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.)
Expired - Lifetime
Application number
EP96909098A
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German (de)
French (fr)
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EP0814747A1 (en
Inventor
Giorgio Mezzoli
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.)
GIORGIO MEZZOLI
Original Assignee
Medical International Licensing NV
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 Medical International Licensing NV filed Critical Medical International Licensing NV
Publication of EP0814747A1 publication Critical patent/EP0814747A1/en
Application granted granted Critical
Publication of EP0814747B1 publication Critical patent/EP0814747B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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

Definitions

  • the present invention relates to a device for irrigating or washing the nasal cavities and the rhinopharynx.
  • the nasal cavities have the function of humidifying, purifying and warming the inhaled air and of dehumidifying and cooling the exhaled air.
  • This system can suffer damages and thus become inefficacious as a consequence of the development of a pathology that can cause nasal respiratory difficulty because of inflammation of the nasal mucosa, stagnation of mucous or mucopurulent secretions, dust, allergens.
  • the removal of the secretions which can be present inside the nasal cavities and also a stimulation of the nasal mucosa by means of a nasal washing, are necessary.
  • the substances that can be currently introduced into the nasal cavities can be either in form of drops or in nebulized form; in the first case it is necessary to introduce the solution with the head leaned backwards while the removal of the washing product occurs by forced expiration through the nasal cavities, or by deglutition (the head of the subject has to be leaned backwards in order to avoid that during the introduction the solution comes out by infiltrating between the nasal vestibule and the opening of the container of the solution); whereas in the second case the nebulization occurs with spray bottles that often use propellents that can be irritating for the nasal mucosa.
  • the aim of the present invention is to obviate the mentioned drawbacks of conventional devices, by providing a device for irrigating or washing the nasal cavities and the rhinopharynx that allows to carry out such operations in a simple and hygienic way.
  • another object of the present invention is to provide a device which is structurally simple, easy to be manufactured, safe in use, efficacious in operation, and also having a relatively low cost.
  • the device for irrigating or washing the nasal cavities and the rhinopharynx according to the invention is generally designated by the reference numeral 1.
  • the device 1 comprises a substantially bell-shaped nozzle 2 that is adapted to be sealingly pressed to the nasal vestibule V of one of the nasal cavities CN of the user; the particular shape allows to seal vestibules of various typologies, by taking advantage of the deformability both of the vestibule and of the bell; it is expected to manufacture the bell in many sizes if necessary.
  • the bell-shaped nozzle 2 is manufactured by moulding materials like plastics or rubber and in the embodiment of figures 2a-2d it is hollow and the section of the walls can vary in order to provide the required softness and stiffness: the nozzle 2 has a solid section in the other prospected embodiment of figures 3a-3d.
  • the nozzle 2 in the different embodiments, has the edge 3 slightly cone-shaped and leaned towards the outside and is slightly squeezed so as to have a substantially elliptical section according to the planes orthogonal to the longitudinal axis of the nozzle; the edge 3 is adapted to prevent the possible outflow of the solution along the tube of conduction and to avoid that the user dirties his fingers with the solution and the substances removed by the washing.
  • the nozzle 2 has at least three holes for the outflow of the liquid: in the preferred embodiments illustrated in the figures the holes are denoted by 4a, 4b, 4c, have slightly diverging streams and are provided on the plane of major symmetry of the nozzle; in such a way the three meatus of the nasal cavities are sprinkled in the best manner.
  • connection means consist of a direct clamp of the tube to the bag, but optionally the connection can occur by means of perforating point, screw or bayonet coupling or the like.
  • the bag 7 is flexible and provided with an eyelet 8, in order to be clamped, for instance with a suction-cup, in a position lifted with respect to the head of the user.
  • the bag 7 can be filled with solutions of any kind which are simply detergent, slightly disinfectant or even therapeutic.
  • the device 1 is of a disposable type and is contained in a sterile packaging: conveniently, nozzle, tube and bag form a single body and the bag contains already the solution to be sprinkled in a sterile confection; in this latter case the nozzle 2 can have a seal such as a tear-off sealing plug 9, that is removed immediately before the use; alternatively the nozzle is inserted into a removable protecting cap before the use.
  • the operation of the device according to the invention is as follows: the user, possibly after having warmed the content of the bag 7 up to about 37°C (for instance by immersion in hot water), fixes the bag 7 in lifted position and places his head slightly leaned forwards or sideways on a collecting basin 10 that can be a wash-basin or the like (position illustrated in figure 4): once the plug 9 is removed, after having strangled the tube in order to avoid undue outflow of the solution, the user sealingly presses the bell-shaped nozzle 2 to the vestibule V1 of a nasal cavity CN1; by releasing the strangling of the tube the solution and the product of the washing flow along the nasal cavity CN1, go through the rhinopharynx to flow into the controlateral nasal cavity CN2 and flow outside through the vestibule of the controlateral nasal cavity V2 (see arrows in figure 5).
  • the shape and the orientation of the holes 4 of the nozzle cause a fan-wise propagation of the solution inside the nasal cavities in the high, middle and low areas.
  • the pressure of washing can be lowered and is adjustable, together with the flow of the solution, by simply raising or lowering the bag with respect to the height at which the user's nose is, therefore the possibility that detrimental overpressures may occur to the mucous membranes during the use does not exist.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Otolaryngology (AREA)
  • Rehabilitation Therapy (AREA)
  • Veterinary Medicine (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Massaging Devices (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • External Artificial Organs (AREA)

Abstract

Device (1) for irrigating or washing the nasal cavities and the rhinopharynx which comprises a substantially bell-shaped nozzle (2) which is adapted to be sealingly pressed to the nasal vestibule of one of the nasal cavities of the user, who places his head slightly leaned forwards or sideways, and that comprises axially at least a hole for the outflow of the solution that communicates with an end of the conduction tube (5) which at the other end has means (6) for connection to a bag (7) or the like for supplying, advantageously by gravity, the solution to be sprinkled, the solution and the washing product flowing along a nasal cavity and through the rhinopharynx into the contralateral nasal cavity and flowing outside through the vestibule of the contralateral nasal cavity.

Description

Technical Field
The present invention relates to a device for irrigating or washing the nasal cavities and the rhinopharynx.
Background Art
The nasal cavities have the function of humidifying, purifying and warming the inhaled air and of dehumidifying and cooling the exhaled air. This system can suffer damages and thus become inefficacious as a consequence of the development of a pathology that can cause nasal respiratory difficulty because of inflammation of the nasal mucosa, stagnation of mucous or mucopurulent secretions, dust, allergens. In these circumstances the removal of the secretions which can be present inside the nasal cavities and also a stimulation of the nasal mucosa by means of a nasal washing, are necessary.
The substances that can be currently introduced into the nasal cavities can be either in form of drops or in nebulized form; in the first case it is necessary to introduce the solution with the head leaned backwards while the removal of the washing product occurs by forced expiration through the nasal cavities, or by deglutition (the head of the subject has to be leaned backwards in order to avoid that during the introduction the solution comes out by infiltrating between the nasal vestibule and the opening of the container of the solution); whereas in the second case the nebulization occurs with spray bottles that often use propellents that can be irritating for the nasal mucosa.
In the typologies of the mentioned interventions, the amount of substance that can be introduced into the nasal cavities is always very small.
See for example EP-A-0 319 501, upon which the preamble of Claim 1 is based.
The only equipments that allow to carry out an efficacious washing of the nasal cavities and of the rhinopharynx with great amounts of solution are of thermal or ambulatory type and therefore rather expensive; such equipments require, for their use, qualified personnel and involve from time to time the sterilization of some components. Other components, not intended to be cleaned after each use, yet are subject to be in contact and to become dirty with the substances removed from the washing operations. The user, or the authorized personnel, is then subjected, during the washing operation, to dirty the fingers that grip the delivery nozzle of the solution.
In practice no equipment for domestic use exists on the market that allow to sprinkle remarkable amounts of liquids into the nasal cavities and the rhinopharynx in an easy, simple, inexpensive and hygienic manner and without any risk due to a wrong use.
Disclosure of the Invention
The aim of the present invention is to obviate the mentioned drawbacks of conventional devices, by providing a device for irrigating or washing the nasal cavities and the rhinopharynx that allows to carry out such operations in a simple and hygienic way.
Within the scope of this aim, another object of the present invention is to provide a device which is structurally simple, easy to be manufactured, safe in use, efficacious in operation, and also having a relatively low cost.
This aim and these objects are achieved by the present device for irrigating or washing the nasal cavities and the rhinopharynx by the features of Claim 1.
Brief Description of the Drawings
Further characteristics of the present invention will become apparent from the detailed description of a preferred, but not exclusive, embodiment of a device for irrigating or washing the nasal cavities and the rhinopharynx according to the invention, illustrated only by way of non-limitative example in the accompanying drawings, wherein:
  • figure 1 is a front schematic view of a device for irrigating or washing the nasal cavities and the rhinopharynx according to the invention;
  • figure 2a is a cross-sectional front elevation view of a nozzle of the device of figure 1, according to a first embodiment thereof;
  • figure 2b is a bottom plan view of the nozzle of figure 2a;
  • figure 2c is a top plan view of the nozzle of figure 2a;
  • figure 2d is a cross-sectional end elevational view of the nozzle of figure 2a;
  • figure 3a is a cross-sectional front elevation view of a nozzle of the device of figure 1, according to another embodiment thereof;
  • figure 3b is a bottom plan view of the nozzle of figure 3a;
  • figure 3c is a top plan view of the nozzle of figure 3a;
  • figure 3d is a cross-sectional end elevational view of the nozzle of figure 3a;
  • figure 4 is a perspective view of a device according to the invention in condition of use;
  • figure 5 is a schematic top view of the path of the washing solution into the nasal cavities;
  • figure 6 is a schematic view of a coupling of the device to the vestibule of a nasal cavity.
    • Ways of carrying out the Invention
    With reference to the above figures, the device for irrigating or washing the nasal cavities and the rhinopharynx according to the invention is generally designated by the reference numeral 1.
    The device 1 comprises a substantially bell-shaped nozzle 2 that is adapted to be sealingly pressed to the nasal vestibule V of one of the nasal cavities CN of the user; the particular shape allows to seal vestibules of various typologies, by taking advantage of the deformability both of the vestibule and of the bell; it is expected to manufacture the bell in many sizes if necessary.
    The bell-shaped nozzle 2 is manufactured by moulding materials like plastics or rubber and in the embodiment of figures 2a-2d it is hollow and the section of the walls can vary in order to provide the required softness and stiffness: the nozzle 2 has a solid section in the other prospected embodiment of figures 3a-3d.
    The nozzle 2, in the different embodiments, has the edge 3 slightly cone-shaped and leaned towards the outside and is slightly squeezed so as to have a substantially elliptical section according to the planes orthogonal to the longitudinal axis of the nozzle; the edge 3 is adapted to prevent the possible outflow of the solution along the tube of conduction and to avoid that the user dirties his fingers with the solution and the substances removed by the washing.
    The nozzle 2 has at least three holes for the outflow of the liquid: in the preferred embodiments illustrated in the figures the holes are denoted by 4a, 4b, 4c, have slightly diverging streams and are provided on the plane of major symmetry of the nozzle; in such a way the three meatus of the nasal cavities are sprinkled in the best manner.
    The holes 4a, 4b, 4c of the nozzle communicate with a tubular joint 4d to couple with an end of a conduction tube 5, said tube, at the other end, has means 6 for connection tube, at the other end, has means 6 for connection to a bag 7 or the like for supplying, advantageously by gravity, the solution to be sprinkled. In the particular case illustrated in figure 1 the connection means consist of a direct clamp of the tube to the bag, but optionally the connection can occur by means of perforating point, screw or bayonet coupling or the like.
    Conveniently, the bag 7 is flexible and provided with an eyelet 8, in order to be clamped, for instance with a suction-cup, in a position lifted with respect to the head of the user.
    The bag 7 can be filled with solutions of any kind which are simply detergent, slightly disinfectant or even therapeutic.
    The device 1 is of a disposable type and is contained in a sterile packaging: conveniently, nozzle, tube and bag form a single body and the bag contains already the solution to be sprinkled in a sterile confection; in this latter case the nozzle 2 can have a seal such as a tear-off sealing plug 9, that is removed immediately before the use; alternatively the nozzle is inserted into a removable protecting cap before the use.
    The operation of the device according to the invention is as follows: the user, possibly after having warmed the content of the bag 7 up to about 37°C (for instance by immersion in hot water), fixes the bag 7 in lifted position and places his head slightly leaned forwards or sideways on a collecting basin 10 that can be a wash-basin or the like (position illustrated in figure 4):
    once the plug 9 is removed, after having strangled the tube in order to avoid undue outflow of the solution, the user sealingly presses the bell-shaped nozzle 2 to the vestibule V1 of a nasal cavity CN1; by releasing the strangling of the tube the solution and the product of the washing flow along the nasal cavity CN1, go through the rhinopharynx to flow into the controlateral nasal cavity CN2 and flow outside through the vestibule of the controlateral nasal cavity V2 (see arrows in figure 5).
    The shape and the orientation of the holes 4 of the nozzle cause a fan-wise propagation of the solution inside the nasal cavities in the high, middle and low areas.
    The pressure of washing can be lowered and is adjustable, together with the flow of the solution, by simply raising or lowering the bag with respect to the height at which the user's nose is, therefore the possibility that detrimental overpressures may occur to the mucous membranes during the use does not exist.
    In this way the device according to the invention has achieved the intended aims.
    In practice the materials used, as well as the shapes and sizes, can be any without abandoning the protection scope of the appended claims.

    Claims (7)

    1. A device (1) for irrigating or washing the nasal cavities and the rhinopharynx which comprises a bell-shaped nozzle (2) adapted to be sealingly pressed to a nasal vestibule (V) of one of the nasal cavities (CN) of a user, who places his head leaned forwards or sideways, and a common connection tube which connects said nozzle to a bag (7) adapted to contain a solution, characterized in that said bell-shaped nozzle (2) is internally hollow and comprises three holes (4a, 4b, 4c) arranged at one end of said nozzle (2) for the outflow of the solution towards the nasal cavities, each hole (4a, 4b, 4c) communicating on one end thereof, opposite to the end which faces a respective nasal cavity (CN), with a tubular joint (4d) adapted to be connected to an end of the common conduction tube (5) which, in turn, at the other end, has means (6) for connection to the bag (7) for supplying a solution to be sprinkled, the solution and a washing product flowing along a nasal cavity (CN1) and through the rhinopharynx into a contralateral nasal cavity (CN2) and flowing outside through the vestibule of the contralateral nasal cavity, said holes (4a, 4b, 4c) being provided on a plane of major symmetry of said nozzle (2), and being radially arranged with respect to said plane so as to distribute the washing product to each one of the three meatus of said nasal cavity, said bell-shaped nozzle having an elliptical section according to a plane orthogonal to a longitudinal axis of the nozzle (2).
    2. The device according to claim 1, characterized in that said bell-shaped nozzle (2) has a flared edge portion (3), opposite to the end provided with said three holes.
    3. The device according to claim 1, characterized in that said device is of the disposable type and is contained in a sterile packaging.
    4. The device according to claim 1, characterized in that said nozzle (2), said common tube (5) and said bag (7) are monolithic, said bag containing the solution to be sprinkled.
    5. The device according to claim 1, characterized in that said nozzle (2) is made of plastics for medical use and the solution contained therein is adapted to be warmed, before use, at a temperature of about 37°C.
    6. The device according to claim 1, characterized in that the height at which the bag (7) is arranged is adjustable by raising or lowering the bag with respect to the height at which the nose of the user is.
    7. The device according to claim 1, characterized in that said tubular joint (4d) is connected at one end to said bell-shaped nozzle (2), in direct contact with said three holes (4a, 4b, 4c) and the rest of the joint lying free inside said bell-shaped nozzle (2).
    EP96909098A 1995-03-23 1996-03-18 Device for irrigating or washing the nasal cavities and the rhinopharynx Expired - Lifetime EP0814747B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    IT95BO000126A IT1281763B1 (en) 1995-03-23 1995-03-23 DEVICE FOR IRRIGATION OR WASHING OF THE NASAL CAVITIES AND NASOPHARYNX
    ITBO950126 1995-03-23
    PCT/EP1996/001159 WO1996029044A1 (en) 1995-03-23 1996-03-18 Device for irrigating or washing the nasal cavities and the rhinopharynx

    Publications (2)

    Publication Number Publication Date
    EP0814747A1 EP0814747A1 (en) 1998-01-07
    EP0814747B1 true EP0814747B1 (en) 2000-08-23

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96909098A Expired - Lifetime EP0814747B1 (en) 1995-03-23 1996-03-18 Device for irrigating or washing the nasal cavities and the rhinopharynx

    Country Status (7)

    Country Link
    EP (1) EP0814747B1 (en)
    AT (1) ATE195648T1 (en)
    AU (1) AU5272496A (en)
    DE (1) DE69609950T2 (en)
    ES (1) ES2151655T3 (en)
    IT (1) IT1281763B1 (en)
    WO (1) WO1996029044A1 (en)

    Families Citing this family (15)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US5830197A (en) * 1994-06-14 1998-11-03 Innovation Technologies, Inc. Wound irrigation device and method
    DE29800680U1 (en) 1998-01-19 1998-05-20 Schmidt, Thomas, Prof. Dr., 30853 Langenhagen Nasal rinsing can
    IT1318646B1 (en) 2000-07-26 2003-08-27 Medical Internat Licensing N V NOZZLE PR ADMINISTRATIONS AND NASAL WASHES.
    US6688497B2 (en) 2001-04-30 2004-02-10 Ketan C. Mehta Apparatus and method for tissue rinse
    US6520384B2 (en) * 2001-04-30 2003-02-18 Ketan C. Mehta Apparatus and method for nasal rinse
    US20030036682A1 (en) * 2001-08-03 2003-02-20 Leber Leland C. Nozzle for stoma cleansing system
    ITLE20080014A1 (en) * 2008-07-08 2008-10-07 Giulio Greco APPARATUS FOR HOMEMADE SHOWERS.
    US8888752B2 (en) 2009-12-16 2014-11-18 Water Pik, Inc. Bottle for sinus cavity rinse
    WO2011075603A1 (en) * 2009-12-16 2011-06-23 Water Pik, Inc. Pot for sinus cavity rinse
    US8991660B2 (en) 2009-12-16 2015-03-31 Water Pik, Inc. Squeeze bottle for sinus cavity rinse
    US9061096B2 (en) 2009-12-16 2015-06-23 Water Pik, Inc. Powered irrigator for sinus cavity rinse
    ES2362843B1 (en) * 2011-01-17 2012-05-21 LUCIANO PEDRO ANTONIO GARC�?A OREA INTRANASAL APPLICATOR OF SOLUTIONS L�? QUIDAS ADAPTABLE TO SYRINGES.
    CN103619485B (en) 2011-05-09 2017-08-08 英倍尔药业股份有限公司 Nozzle for nasal medicament delivery
    US20230330366A1 (en) * 2020-01-08 2023-10-19 Giorgio Mezzoli Dispenser
    IT202000000148A1 (en) * 2020-01-08 2021-07-08 Giorgio Mezzoli DISPENSER

    Family Cites Families (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB190805797A (en) * 1908-03-16 1908-11-26 Richard James Baker Improvements in Nasal Douches or Syringes.
    GB191321383A (en) * 1913-09-22 1915-06-17 Herbert Sefton-Jones Improved Nasal Douche.
    GB125967A (en) * 1917-06-18 1919-10-16 Herbert Beecher Nichols Improvements in and relating to Nasal Douches.
    US3847145A (en) * 1973-04-13 1974-11-12 M Grossan Nasal irrigation system
    SE8704767L (en) * 1987-11-30 1989-05-31 Sigmund Johannes Loefstedt NEW METHOD FOR ADMINISTRATION OF MEDICINAL PRODUCTS

    Also Published As

    Publication number Publication date
    EP0814747A1 (en) 1998-01-07
    DE69609950D1 (en) 2000-09-28
    ES2151655T3 (en) 2001-01-01
    DE69609950T2 (en) 2001-03-29
    IT1281763B1 (en) 1998-03-03
    ATE195648T1 (en) 2000-09-15
    AU5272496A (en) 1996-10-08
    ITBO950126A1 (en) 1996-09-23
    ITBO950126A0 (en) 1995-03-23
    WO1996029044A1 (en) 1996-09-26

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