Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M15/00—Inhalators
  • A61M15/009—Inhalators using medicine packages with incorporated spraying means, e.g. aerosol cans
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M15/00—Inhalators
  • A61M15/0001—Details of inhalators; Constructional features thereof
  • A61M15/0021—Mouthpieces therefor
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
  • A61M11/06—Sprayers or atomisers specially adapted for therapeutic purposes of the injector type
  • A61M11/08—Pocket atomisers of the injector type
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
  • A61M16/20—Valves specially adapted to medical respiratory devices
  • A61M16/201—Controlled valves
  • A61M16/206—Capsule valves, e.g. mushroom, membrane valves
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
  • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
  • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
  • A61M2210/00—Anatomical parts of the body
  • A61M2210/06—Head
  • A61M2210/0625—Mouth

Definitions

• the invention relates to a product dispensing device.
• An aerosol delivery device as disclosed in document FR2954707 is already known in the state of the art.
• Such a device comprises a mouthpiece allowing the administration of an aerosol by the mouth during a nasal expiration phase or during a respiratory pause phase preceding the nasal expiration.
• the mouthpiece is airtight and penetrates beyond the patient's teeth for a certain length.
• the mouthpiece constitutes a means of administering the aerosol for nasal, nasopharyngeal or nasosinus purposes.
• the aerosol containing the particles is thus routed successively into the mouth, the nasopharynx then the nasal cavities and the sinuses, until it exits through at least one nostril of the patient.
• This document discloses in particular an aerosol delivery device providing a sealed circuit connected to the user's mouth comprising a mouthpiece, which thus only allows inspiration and expiration through the nose.
• the user must manually initiate the administration of the aerosol during an inspiration phase according to a first variant, or according to an expiration phase according to a second variant.
• the triggering is automatic but requires a nosepiece.
• a nosepiece makes the aerosol delivery device complex and more expensive, and makes the aerosol delivery device less comfortable for a user, since it affects both the mouth and the body. user's nose.
• the object of the invention is in particular to provide a product dispensing device that is comfortable and simple to use for a user, which offers simple triggering.
• the invention relates to a product distribution device, configured to cooperate with a product reservoir provided with product distribution means, comprising
• a distribution duct which is configured to distribute, in an airtight manner to the outside air, a product from the product distribution means to the mouth of a user
• Trigger means which trigger the dispensing of product when the air pressure in the distribution duct is greater by a predetermined value than the pressure of the outside air.
• the air pressure in the user's mouth is greater than the pressure of the outside air when the user is in a nasal expiration phase, even in the the absence of any extracorporeal element such as, for example, a nasal nozzle provided with a constriction reducing the section of passage of the air exhaled towards the outside from the nose. This therefore ensures that the device is triggered only if the user is in a nasal exhalation phase.
• Triggering product dispensing is therefore particularly easy to use and comfortable for the user. It is understood that the fact of distributing the product at the time of a nasal expiration is particularly advantageous, in that it makes it possible to distribute the product from the mouth to the upper respiratory tract, more precisely in the nasal, nasopharyngeal or nasosinus area (for dispense the product into the sinuses, nasopharynx or nose), and not to the lower respiratory tract such as the throat or lungs as is the case when the product is dispensed during inhalation by the user.
• the predetermined value corresponds in particular to the free nasal passages of a user and is therefore distinguished from overpressure values which would result from the presence of any extracorporeal element inserted in the nasal passages, which would cause a reduction in the passage section of the exhaled air in the nasal passages.
• the outside air is the ambient air, for example the air present around the user and the dispensing device.
• the outside air is neither the air present in the mouth of a user, nor the air present in the distribution duct or in the product reservoir, nor the product contained in the product reservoir.
• the distribution device taken alone or in combination:
• the trigger means trigger the dispensing of the product when the user is in a nasal expiration phase.
• the distribution duct is configured to cooperate, in an airtight manner to the outside air, with a mouthpiece configured to open into the user's mouth.
• the predetermined value is between 20 Pascals and 500 Pascals, preferably between 50 Pascals and 150 Pascals.
• the trigger threshold of the product dispensing device is optimal.
• the trigger means comprise a movable element configured to move or deform elastically when the air pressure in the distribution duct is greater than the pressure of the outside air.
• the mobile element is a membrane, which deforms elastically when the air pressure in the distribution duct is greater than the pressure of the outside air.
• the product dispensing device further comprises stop means for the mobile element, preferably for the membrane, which limit a displacement or an elastic deformation of the mobile element when the pressure of the air in the duct of distribution is greater than the pressure of the outside air and / or when the pressure of the air in the distribution duct is less than the pressure of the outside air.
• the displacement or the deformation of the mobile element preferably the elastic deformation of the membrane, is limited to a maximum in one direction or the other, in particular when the user is in an expiration or inspiration phase. nasal. This makes it possible to provide a reusable product dispensing device. Preferably, this makes it possible to ensure that the membrane is deformed only elastically.
• the triggering means comprise a toggle mechanism, which can be actuated from an unstable equilibrium position to a dispensing position, the toggle mechanism being configured to cooperate with the product reservoir of such that when the toggle mechanism is actuated to the dispensing position, the product dispensing means dispenses product.
• a rocker mechanism makes it possible to have a particularly simple and inexpensive triggering means.
• the rocking mechanism cooperates with the mobile element, preferably with the membrane, such that a tilting from the unstable equilibrium position is caused by a displacement or a deformation of the mobile element.
• the use of a toggle mechanism cooperating with the mobile element, preferably a membrane makes it possible to have a triggering means involving few parts and therefore reactive, particularly simple and inexpensive.
• the product dispensing device further comprises a housing configured to receive the product reservoir.
• the product dispensing device is made compact and easy to use for the user.
• the housing comprises support means configured to exert support on the product reservoir.
• the support means make it possible to provide energy in a simple manner to the distribution means of the product reservoir when the trigger means trigger the distribution of product. This then makes it possible to effectively distribute the product through the distribution duct.
• the rocking mechanism comprises a drive lever, which is pivotable relative to the housing and is actuated by the displacement or deformation of the movable element, and a release lever, which is pivotable relative to the housing and door in in addition to an arm, the arm being pivotable relative to the trigger lever.
• the product distribution device further comprises means for returning the toggle mechanism, which are configured to return the toggle mechanism to the unstable equilibrium position, preferably when the air pressure in the distribution duct is less than or equal to the pressure of the outside air.
• the return means make it possible to have a reusable rocking mechanism. This therefore makes it possible to provide a reusable product dispensing device.
• the triggering means comprise a differential pressure sensor and an electromechanical trigger.
• the use of a differential pressure sensor and of an electromechanical trigger makes it possible to have a particularly compact and robust triggering means.
• the trigger means are configured such that, when the sensor detects that the air pressure in the distribution duct is greater than the predetermined value than the pressure of the outside air, a signal is transmitted to the trigger electromechanical, which triggers product dispensing. Thus, untimely tripping is avoided.
• the subject of the invention is also a product administration kit comprising a product dispensing device of the aforementioned type, a mouthpiece, and optionally a product reservoir provided with means for dispensing the product, in which the mouthpiece comprises a duct configured on the one hand to be connected to the distribution duct in a sealed manner to the outside air via a first end, and on the other hand to open into the mouth of a user via the other end.
• a product administration kit comprising a product dispensing device of the aforementioned type, a mouthpiece, and optionally a product reservoir provided with means for dispensing the product, in which the mouthpiece comprises a duct configured on the one hand to be connected to the distribution duct in a sealed manner to the outside air via a first end, and on the other hand to open into the mouth of a user via the other end.
• a further subject of the invention is a product administration set, which comprises a product dispensing device of the aforementioned type, a mouthpiece, and optionally a product reservoir provided with means for dispensing the product, in which:
• the mouthpiece comprises a duct configured on the one hand to be connected to the distribution duct in a sealed manner to the outside air via a first end, and on the other hand to open into the mouth of a user via the other end, and
• the product distribution means are configured to distribute product from the product reservoir to the distribution duct, when the product distribution means are triggered by the trigger means.
• the product reservoir is removably disposed in the housing.
• the assembly is reusable, for example by changing the product tank when it is empty.
• the product tank is pressurized and sealed to the outside air.
• the elastic support means cooperate with reversible actuating means to move from a storage position, in which they do not exert support on the product reservoir, to an operating position, in which they exert a support on the product reservoir.
• the elastic support means are configured such that, when the rocking mechanism is in the unstable equilibrium position, they exert a support, via the product reservoir, on the rocking mechanism in order to keep it in the unstable equilibrium position. Thus, accidental triggering of the distribution is avoided.
• the elastic support means are configured such that, when the toggle mechanism is in the dispensing position, the elastic support means exert a bearing on the product reservoir so that the product dispensing means dispense of product from the product tank into the dispensing line.
• Figure 1 is a schematic sectional view of an administration assembly comprising a dispensing device, in a storage position;
• Figure 2 is a schematic sectional view of the administration assembly illustrated in Figure 1, in an operating position;
• Figure 3 is a schematic sectional view of the administration assembly illustrated in Figures 1 and 2, in a dispensing position;
• Figure 4 is a schematic perspective view of part of the administration assembly in the operating position shown in Figure 2;
• Figure 5 is a schematic perspective view of part of the delivery set in the dispensing position shown in Figure 3.
• FIG. 1 a product administration set according to the invention, designated by the general reference 1.
• This product administration set 1 comprises a product dispensing device 3, a mouthpiece 5, and a product reservoir 7 provided with means for dispensing the product 9.
• the product distribution device 3 is configured to cooperate with the product reservoir 7 provided with product distribution means 9.
• the product distribution device 3 comprises a distribution duct 11, which is configured to distribute, in a sealed manner to the outside air A, a product from the product distribution means 9 to the mouth of a user.
• the distribution duct 11 is configured to cooperate, in an airtight manner against the outside air, A, with the mouthpiece 5, which is configured to open into the user's mouth.
• the distribution pipe 11 thus has the function of distributing the product, such as for example an aerosol.
• the duct 11 comprises a nozzle 12, which makes it possible to optimize the distribution of the product in the distribution duct 11 with a view to its distribution to the mouth of a user.
• the product dispensing device 3 also comprises trigger means 13, which trigger the dispensing of product when the pressure of the air Ai in the dispensing duct 11 is greater by a predetermined value than the pressure of the outside air. AT.
• the predetermined value is between 20 Pascals and 500 Pascals, preferably between 50 Pascals and 150 Pascals.
• the triggering means 13 are configured to trigger the dispensing of the product when the user is in a nasal expiration phase.
• the product distribution means 9 are configured to distribute product from the product reservoir 7 to the distribution duct 11, when the product distribution means 9 are triggered by the trigger means 13.
• the product distribution means 9 comprise a distribution tube 14, one distal end of which is introduced into the distribution duct 11, its other end being for example connected to a valve or a metering pump placed in the product reservoir 7.
• the remainder of the product reservoir 7 is sliding relative to the distribution tube 14, between an operating position, in which the product distribution means 9 do not distribute product, and a distribution position, in which the product distribution means 9 distribute the product out of the product tank 7 via the distribution tube 14.
• the product tank 7 is for example pressurized and heated. airtight outside A.
• the product dispensing device 3 further comprises a housing 15 configured to receive the product reservoir 7.
• the housing 15 is formed of several housing sub-parts 15a, 15b, 15c, 15d, which are assembled to each other so as to be able to accommodate within the housing 15 the product reservoir 7 and the product dispensing device 3.
• the product reservoir 7 is thus disposed in a removable manner in the housing 15, due to the fact that the housing sub-part 15a, arranged in the upper part, is formed as a cover removable, and can be disconnected from the housing sub-part 15b.
• the housing sub-part 15b is preferably at least partially transparent, in order to allow reading of a label affixed to the product reservoir 7.
• the housing 15 comprises elastic support means 21, 23 configured to exert a support on the product reservoir 7.
• These elastic support means comprise a rod 21 and a spring. 23, and cooperate with reversible actuation means 19.
• the reversible actuation means 19 include, for example, an activation button 19.
• the elastic support means 21, 23 cooperate with the reversible actuation means 19 to move from a storage position, in which they do not exert support on the product reservoir 7, to a position of operation, in which they exert a support on the product reservoir 7.
• the resilient support means 21, 23 and the reversible actuating means 19 allow the product administration assembly 1 to pass respectively from a storage position to an operating position, from the operating position to a dispensing position, and from the dispensing position to the storage position.
• the elastic support means 21, 23 and the reversible actuating means 19 are carried by the housing sub-part 15a.
• the mouthpiece 5 comprises a duct 25 configured on the one hand to be connected to the distribution duct 11 in a sealed manner to the outside air A via a first end, and on the other hand to open into the mouth of a user. via its other end.
• the triggering means 13 comprise a movable element configured to move or deform elastically when the pressure of the air Ai in the distribution duct 11 is greater than the pressure of the outside air A.
• the the mobile element is a membrane 27, which deforms elastically when the pressure of the air Ai in the distribution duct is greater than the pressure of the outside air A.
• the membrane 27 is arranged integral with the duct of distribution 11 in a sealed manner to the outside air, in other words, the outside air A does not pass through the membrane 27, nor does it pass through the connection zone between the membrane 27 and the distribution duct 11
• the membrane 27 is arranged so as to close an opening in the distribution duct 11, so that an inner face of the membrane 27 is in contact with the air Ai in the distribution duct 11.
• Another face of the membrane 27, called the outer face is in contact with the outside air A, thanks to the fact that the housing 15 has a passage hole 28 for the outside air A leading to an internal space of the housing 15 at least partially delimited by the outer face of the membrane 27.
• the triggering means 13 comprise a differential pressure sensor and an electromechanical trigger.
• the triggering means 13 are configured such that, when the sensor detects that the pressure of the air Ai in the distribution duct 11 is greater than the predetermined value than the pressure of the outside air A, a signal is transmitted to the electromechanical trigger, which moves and triggers the dispensing of product.
• the product dispensing device 3 further comprises stop means for the mobile element, preferably for the membrane 27, which limit a displacement or an elastic deformation of the mobile element when the pressure of the air Ai in the distribution duct is greater than the pressure of the outside air A and / or when the pressure of the air Ai in the distribution duct 11 is less than the pressure of the outside air A.
• these stop means are for example composed of a grid 29 arranged on the opening of the distribution duct 11 closed by the membrane 27, which limits the deformation of the membrane 27 when the pressure of the air Ai in the distribution duct 11 is lower than the outside air pressure A.
• the trigger means 13 comprise a toggle mechanism 31, 33, which can be actuated from an unstable equilibrium position towards a dispensing position, the toggle mechanism 31, 33 being configured to cooperate with the reservoir product 7 so that, when the toggle mechanism 31, 33 is actuated towards the dispensing position, the product dispensing means 9 dispense product.
• the rocking mechanism 31, 33 cooperates with the movable element, for example the membrane 27, so that a tilting from the unstable equilibrium position to the dispensing position is caused by a displacement or a deformation of the movable element.
• the rocking mechanism 31, 33 comprises a drive lever 31, which is pivotable relative to the housing 15 and is actuated by the displacement or the deformation of the movable element, here the membrane 27. In this example, the lever d
• the drive 31 is in permanent contact with the membrane 27, this permanent contact being able to be maintained for example by the action of gravity on the drive lever 31, by a mechanical connection or by gluing.
• the toggle mechanism 31, 33 also comprises a trigger lever 33, which is pivotable relative to the housing 15 and further carries an arm 35, the arm 35 being pivotable relative to the trigger lever 33.
• the arm 35 is arranged in the same direction. such that in the unstable equilibrium position of the rocker mechanism 31, 33, a free end of the arm 35 is in contact with the drive lever 31, preferably at a pivot of the drive lever 31 pivoting relative to the housing 15. As can be seen in FIG.
• the product dispensing device 3 further comprises return means 37 of the toggle mechanism 31, 33, which are configured to return the toggle mechanism 31, 33 in the unstable equilibrium position, preferably when the pressure of the air Ai in the distribution duct 11 is less than or equal to the pressure of the outside air A, and more preferably when the elastic support means 21, 23 and the mo Reversible actuation yens 19 no longer cooperate and are in the storage position.
• these return means 37 comprise a torsion spring 39 arranged around a journal secured to the housing 15.
• the torsion spring 39 has one end 39a resting on the housing 15, and another end 39b resting on the release lever 33.
• the elastic support means 21, 23 are configured such that, when the rocking mechanism 31, 33 is in the unstable equilibrium position, they exert a support, via the product reservoir. 7, on the rocking mechanism 31, 33 in order to keep it in the unstable equilibrium position.
• the product reservoir 7 presses on its lower face on the side of the dispensing tube 14 on one end of the trigger lever 33, said end carrying the arm 35.
• the arm 35 is arranged to pivot at one of its two ends relative to the trigger lever and is in contact, at its opposite end, with the drive lever 31.
• the trigger lever 33 presses on the arm 35.
• the elastic support means 21, 23 are also configured such that when the rocking mechanism 31, 33 is in the dispensing position, the elastic support means 21, 23 exert a bearing on the product reservoir 7 so that the product dispensing means 9 dispense product from the product reservoir 7 into the dispensing duct 11 , for example by sliding the product reservoir 7 vis-à-vis the distribution tube 14.
• the change from the unstable equilibrium position to the dispensing position is effected as follows.
• Ai air pressure
• the unstable equilibrium position is then broken, and the rod 21 presses on the dispensing reservoir 7 under the effect of the spring 23 so as to make it slide relative to the dispensing tube 14.
• the dispensing reservoir 7, due to its bearing on the release lever. trigger rotates the trigger lever 33 relative to the housing 15.
• the end of the trigger lever 33 carrying the arm 35 lowers and then drives the arm 35 so that the arm 35 slides against the drive lever 31
• the position of di Stribution is then reached, and the product is dispensed from the product reservoir 7 through the distribution tube 14, then through the distribution conduit 11 and the conduit 25 towards the user's mouth.
• the components of the Product Administration Set 1 may be composed of at least one polymeric material. They can be made using an injection molding process.
• the spring 23 and the torsion spring 39 are for example made of steel, preferably of stainless steel or equivalent known to those skilled in the art.
• the product tank 7 is a component known to those skilled in the art, and can be a standard component in the form of a pressurized product storage tank, the product tank 7 comprising a metal wall in the form of a pot, which is closed by means of a metal ferrule, from which protrudes the distribution tube 14 of the product distribution means 9.
• the distribution tube 14 consists for example of at least one polymer material.
• the membrane 27 is for example composed of an elastomeric material, preferably with a Shore A hardness of between 40 and 50, such as for example a thermoplastic elastomer or a silicone.
• the membrane 27 has for example a thickness of 0.4 millimeter.
• a product administration kit is also described. Such a product administration kit is for example produced in that it comprises a product dispensing device 3 as described above, a mouthpiece 5 for example as described above, and optionally a product reservoir 7 for example. as described above, provided with means for dispensing the product 9, for example as described above.
• the mouthpiece 5 comprises a duct 25 configured on the one hand to be connected to the distribution duct 11 in an airtight manner to the outside air via a first end, and on the other hand to open into the mouth of a user through its other end.
• Such a method comprises at least the following steps: - pressing by a user on the activation button 19.
• the activation button 19 compresses the spring 21 arranged between the activation button 19 and the rod 21, which causes a support of the rod 21 on the product reservoir 7.
• the product administration assembly 1 is then in an operating position.
• the reservoir 7 exerts a support on the release lever 33, which exerts a support on the arm 35, the latter exerting a support on the drive lever 31.
• the rocking mechanism 31, 33 is then in the equilibrium position. unstable.
• 15a, 15b, 15c, 15d housing sub-parts 19: reversible actuation means, activation button 21, 23: elastic support means 21: rod 23: spring

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• Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Bioinformatics & Cheminformatics (AREA)
• Pulmonology (AREA)
• Anesthesiology (AREA)
• Biomedical Technology (AREA)
• Heart & Thoracic Surgery (AREA)
• Hematology (AREA)
• Life Sciences & Earth Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Veterinary Medicine (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Nozzles (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=72356023

Family Applications (1)

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Citations (3)

Family Cites Families (5)

• 2019
  • 2019-12-11 FR FR1914202A patent/FR3104442B1/fr active Active
• 2020
  • 2020-12-11 US US17/784,949 patent/US20230011056A1/en not_active Abandoned
  • 2020-12-11 EP EP20820448.7A patent/EP4072633A1/de not_active Withdrawn
  • 2020-12-11 WO PCT/EP2020/085849 patent/WO2021116457A1/fr not_active Ceased

Patent Citations (3)

Non-Patent Citations (1)

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