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
  • A61M15/06—Inhaling appliances shaped like cigars, cigarettes or pipes
• • 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
  • A61M11/04—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
  • A61M11/041—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters
  • A61M11/048—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters with a flame, e.g. using a burner
• • 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
  • A61M11/04—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
  • A61M11/041—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters
  • A61M11/042—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters electrical
• • 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
  • A61M2206/00—Characteristics of a physical parameter; associated device therefor
  • A61M2206/10—Flow characteristics
  • A61M2206/16—Rotating swirling helical flow, e.g. by tangential inflows

Definitions

• the present invention relates to a dry steam inhaler, allowing the extraction of active ingredients of plants or oils, including medicinal plants and oils, by heating. More particularly, the invention relates to a dry vapor inhaler using as a heat source a flame from, for example, a lighter.
• a dry vapor inhaler is an apparatus with which dry or fresh plants, oils or other plant-based preparations, or even drugs intended for vaporization, can be heated in order to extract them. to inhale it directly, the active principle in the form of steam by heat input, without however burning them.
• the temperature at which the active ingredient is extracted is between 30 ° C and 300 ° C depending on the product, generally around 180 ° C.
• An inhaler includes suction means for inhaling useful substances from a plant without absorbing other unwanted substances such as carbon and nitric gases.
• An inhaler is particularly effective during a therapeutic treatment and for use in aromatherapy or herbal medicine.
• inhalers are, for the most part, tabletop devices comprising electric heaters, which consequently require a power supply to operate. These devices therefore have the disadvantage of not being easily portable. In addition, they are sophisticated in design and are therefore expensive. There are also known simpler design inhalers, which have for example the shape of a glass ball heated by means of a lighter. This type of inhaler is therefore particularly fragile. There are also inhalers, such as those described in the patent application WO 03/082031, the bottom of which is crossed by transverse channels. These inhalers must then have thick bottoms to ensure good heating of the air sucked. In general, it is particularly delicate, with an inhaler portable, heat the substance sufficiently to allow the extraction of the active ingredient, without burning the substance, nor having to heat the substance at such a frequency that the use becomes uncomfortable.
• the vaporizer comprises a grid (21) constituting a joule heating element.
• This grid is pierced in its thickness of transverse openings, so as to be traversed by the air from outside the vaporizer.
• this air flow is very regular and is not related to a suction of the user.
• the heating element is an electrical resistance means that such a vaporizer has neither the problem that the incoming air must be at a good temperature, nor the cooling problem of the heating element. . Disclosure of the invention
• the purpose of the present invention is therefore to overcome these disadvantages by providing a dry steam inhaler operating without electricity and is of reduced size while being solid and economical design, portable, easy to use, fully cleanable and sterilizable and ensuring optimum heating of the product while avoiding combustion.
• a dry steam inhaler comprising a heating element and a suction device, characterized in that the heating element comprises a bottom and walls lateral projections projecting from this bottom and defining a suction chamber communicating with the suction device, the bottom of the heating element being traversed by at least one air suction channel, one end of which opens on the side walls of the the heating element and whose other end opens into the suction chamber.
• the suction channel offers a sufficiently large path to the sucked air to allow it to heat up in contact with the heating element. The substance is therefore only slightly cooled, this allows prolonged inhalation before having to heat the heating element again.
• the bottom of the heating element may comprise four air intake channels arranged in a cross, their ends which open into the suction chamber assembling in the center of said chamber. suction.
• the air suction channels are arranged in the bottom of the heating element parallel to said bottom.
• the side walls of the heating element comprise a lower extension projecting from the bottom opposite the suction chamber and defining with the bottom, a heating crucible.
• the dimensions of the heating element are optimized.
• the heating element is of cylindrical shape and the air suction channel may have a diameter less than or equal to 2 mm and be arranged in the bottom of the heating element parallel to the heating crucible and to 1 mm or less from it and parallel to the suction chamber and 1 mm or less from it.
• the bottom of the heating element may comprise in its center a hollow shape into which open the ends of the air suction channels.
• the heating element is made of a thermal conductive material such as an aluminum-based material or another material having a sufficient thermal conductivity and capacity and treated against corrosion. . This makes it possible to further improve the duration of the inhalations without having to heat the heating element again.
• the suction device it comprises a suction cone arranged to cooperate with the heating element and a suction straw.
• a thermal insulator disposed around the heating element and serving as protection.
• the inhaler according to the invention is designed more particularly to be heated by means of a flame, placed under the heating crucible.
• FIG. 1 is a top view of the heating element of the inhaler according to the invention
• Figure 2 is a sectional view along the line AA of the figure
• - Figure 3 is a side view of the suction device of the Inhaler according to the invention
• - Figure 4 is a top view of the suction device.
• the dry steam inhaler comprises a heating element 1 and a suction device 2.
• the heating element 1 is cylindrical. It is made of one piece of aluminum. It is obvious that other forms or other thermally conductive materials can be provided without departing from the scope of the present invention.
• the heating element 1 comprises a bottom 3 and side walls 4 projecting from the bottom 3 and delimiting a suction chamber 5 communicating with the suction device 2. [0018]
• the side walls 4 of the heating element 1 comprise a lower extension 4a protruding from the bottom 3 opposite the suction chamber 5 and delimiting with said bottom 3 a heating crucible 7.
• the bottom 3 of the heating element 1 is traversed by four air suction channels 6, each of their end 6a opening on the side walls 4 of the heating element 1 and the other end 6b opening into the suction chamber 5.
• the four air intake ducts 6 are arranged in a cross in the bottom 3 of the heating element 5 perpendicular to the side walls 4, said bottom 3 comprising in its center a hollow form 8 into which open and collect the ends 6b of the air suction channels 6.
• the dimensions of the cylindrical heating element 1 optimized to prevent combustion and improve the thermal conductivity to the substance, are such that the inner diameter of the heating element is between 10 and 18mm, preferably substantially equal to 16 mm, for a height of between 10 and 20 mm, preferably substantially equal to 18 mm, and the thickness of the walls is between 1 and 3 mm, preferably substantially equal to 2 mm.
• the bottom 3 of the heating element 1 preferably has a thickness substantially equal to 3 mm and is placed so that the heating crucible 7 has a height preferably substantially equal to 3 mm and the suction chamber has a height preferably substantially equal to 10 mm.
• the air suction channels 6 each have a diameter of less than 3 mm, preferably less than 2 mm, advantageously less than or equal to 1 mm and are arranged in the bottom 3 of the heating element 1, parallel to the heating crucible 7 and substantially 1 mm or less from it and parallel to the suction chamber 5 and substantially 1 mm or less thereof.
• the air suction channels can also be arranged obliquely between the side walls 4 and the suction chamber 5, the essential part being to provide for the sucked air a sufficient path when crosses the heating element so as to heat up in contact with the heating element to arrive hot in the suction chamber.
• the heating element 1 may comprise one or more grids (not shown) disposed in the suction chamber 5 on which the substance is placed or to distribute oils by capillarity. An additional grid is arranged at the inlet of the suction device to prevent particles of the element to be heated from reaching the user.
• the heating element 1 comprises on its side walls 4 a thread 9 for fixing the screwing of the suction device 2.
• the suction device 2 comprises a cone suction device 10 of suitable dimensions to be assembled to the heating element 1.
• the inner wall of the suction cone 10 comprises a thread 11 corresponding to the thread 9 of the heating element 1 to ensure the assembly of the two parts by screwing.
• the suction cone 10 allows to compress dry steam.
• the suction device 2 also comprises a suction straw 12 opening into the suction cone 10.
• the suction straw 12 also serves as a cooler.
• the suction device 2 is made for example of a medical stainless steel or other material for medical use.
• thermal insulator (not shown) disposed around the heating element 1.
• This thermal insulator can be present in the form of a ring which is fixed under the heating element 1, so as not to obstruct the ends 6a of the air intake ducts 6.
• the inhaler according to the invention is of a very solid and economical design, allowing simple use. These reduced dimensions make it a pocket-size inhaler, easily transportable, while being optimized to ensure a sufficient heating time without excessive heating or punctual and minimizing the risk of combustion.
• the materials used allow easy washing and sterilization of the inhaler.
• the substance is placed in the suction chamber of the heating element, which is then closed by screwing the suction device. Then the inhaler is heated by means of a flame, for example using a lighter with a flame called “torch” or “laser”, or another suitable source of heat, placed under the heating crucible.
• a flame for example using a lighter with a flame called “torch” or “laser”, or another suitable source of heat, placed under the heating crucible.
• the duration of the heating is approximately 30 to 60 seconds for, during the first suction, bring the substance at the extraction temperature of the active ingredient, then about 10 seconds for the following aspirations.
• the shape of the heating element and the choice of a thermally conductive material mean that the heat diffuses rapidly in the heating element which acts as a heat reservoir, without punctual overheating.
• the air enters the different air intake channels.
• the sucked air circulates in the air suction channels which extend between the side wall and the combustion chamber, itself heated by the heat conduction by the heating element.
• the air sucked then makes a sufficient path to warm up through the heating element and so arrives hot on the substance placed in the inhaler, without cooling, which allows to activate its extraction optimally.
• the thermal inertia of the heating element material allows a prolonged use and therefore several long successive suctions without proceeding to a new heating. It should be noted that the heating element could comprise a smaller number of channels, but of greater diameter so as to maintain sufficient draft.

Priority Applications (1)

Applications Claiming Priority (3)

Publications (1)

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Family Applications (2)

Family Applications Before (1)

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Family Cites Families (12)

• 2006
  • 2006-10-25 EP EP06122902A patent/EP1916009A1/de not_active Withdrawn
• 2007
  • 2007-10-05 WO PCT/EP2007/060621 patent/WO2008049720A1/fr active Application Filing
  • 2007-10-05 CA CA002666513A patent/CA2666513A1/fr not_active Abandoned
  • 2007-10-05 US US12/447,288 patent/US20100059054A1/en not_active Abandoned
  • 2007-10-05 EP EP07820994A patent/EP2083880A1/de not_active Withdrawn

Non-Patent Citations (1)

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