WO2008017424A2 - Apparatus and method for metered delivery of active ingredient with smokeless cigarettes - Google Patents
Apparatus and method for metered delivery of active ingredient with smokeless cigarettes Download PDFInfo
- Publication number
- WO2008017424A2 WO2008017424A2 PCT/EP2007/006882 EP2007006882W WO2008017424A2 WO 2008017424 A2 WO2008017424 A2 WO 2008017424A2 EP 2007006882 W EP2007006882 W EP 2007006882W WO 2008017424 A2 WO2008017424 A2 WO 2008017424A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hollow cylinder
- drug
- active ingredient
- recesses
- depot
- 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.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/17—Filters specially adapted for simulated smoking devices
Definitions
- Tobacco cigarette with the burning of a certain amount of tobacco to be released.
- the smoker is accustomed to releasing a certain amount of active substance with each individual pull, apart from the possible health consequences of delivering the entire dosage during a puff.
- the invention described here enables a metered delivery of active ingredients in smokeless cigarettes. It requires the use of a drug depot, in which the drug is applied flat on the depot.
- Fig. I An example of such a depot is shown in Fig. I.
- the hollow cylinder (10) serves as a drug depot and mouthpiece.
- a part of the inner surface of the hollow cylinder (11) is coated with active ingredients which dissolve in the presence of a hot air flow from the depot.
- the hot air flow travels past the surface of the depot and entrains the active ingredients and exits through simultaneous use as a mouthpiece at the other end for inhalation.
- Fig. II shows the counterpart (20) of the mouthpiece just mentioned
- Drug depot containing e.g. may contain the heating element for heating the air.
- a slotted hollow cylinder (30) is mounted, which covers the coated surface of the drug after Thagg (plugging) of said mouthpiece with drug depot.
- the recesses (31) allow access of the air to the corresponding partial surfaces of the
- a further hollow cylinder (40) which contains only one recess, all other recesses of the hollow cylinder (30) are covered.
- Fig. III illustrates the construction once more in plan view.
- the counterpart (20) carries the protruding hollow cylinder (30) containing numerous large-area recesses (31). Practically, as many slots are chosen as the average number of moves made on a classic tobacco cigarette until it is used up.
- the size of the recesses and thus vulnerable to the hot air surface of the active ingredient is adjusted with the active ingredient concentration per unit area that corresponds to the amount of active substance that can be ablated by the hot air of the average amount of active cigarette.
- the hollow cylinder (40) is rotatably mounted and gives to a train with his
- the exemplary metering device can be seen in Fig. IV again from the side view.
- the indicated arrows (50a, 50b) show a possible form of the
- Air movement for a clear understanding of the principle of operation without plugged mouthpiece with drug depot and under one-sided cover of the hollow cylinder (40).
- the air can escape unhindered through the hatched holes (41) and (31) of the two hollow cylinders.
- the air flowing through the hollow cylinder (40) air comes into contact with the respectively released drug surface and transports the active ingredients for inhalation.
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Manufacture Of Tobacco Products (AREA)
- Medicinal Preparation (AREA)
- Catching Or Destruction (AREA)
Abstract
Description
Vorrichtung und Verfahren zur dosierten Wirkstoffabgabe bei rauchlosen Zigaretten Device and method for metered release of active ingredient in smokeless cigarettes
In den Patentschriften DE4006887, EPl 536703, DE29713866, EP0509657, DE 19935706, US4149548, US6532965, US4848376 werden verschiedene technischeIn the patents DE4006887, EP5136703, DE29713866, EP0509657, DE 19935706, US4149548, US6532965, US4848376 various technical
Lösungen beschrieben, die als Alternative zu herkömmlichen Zigaretten dienen sollen. Bei den beschriebenen Funktionsprinzipien wird stets davon ausgegangen, dass entweder Luft oder der Wirkstoff selbst erwärmt wird, sich dann von seinem Träger (Wirkstoffdepot) löst und inhaliert werden kann.Described solutions that are to serve as an alternative to conventional cigarettes. In the described principles of operation is always assumed that either air or the drug itself is heated, then dissolves from his carrier (drug depot) and can be inhaled.
Vergleicht man die Handhabung einer Tabakzigarette, so wird deutlich, dass mit jedem Zug nur eine Bestimmte Menge an Wirkstoffen (Nikotin etc.) freigegeben wird, je nach dem, wie viel Tabak bei einem Zug verbrennt. Messungen an rauchlosen Zigaretten, bei denen ein klassischer Zelluloseacetatfϊlter als Wirkstoffdepot Verwendung findet, haben ergeben, dass bei einem kräftigen Zug die gesamte Menge an Wirkstoffen auf einem Mal abgegeben werden kann.Comparing the handling of a tobacco cigarette, it is clear that with each move only a certain amount of active ingredients (nicotine, etc.) is released, depending on how much tobacco burns in a train. Measurements of smokeless cigarettes using a classical cellulose acetate filter as an active substance depot have shown that in a vigorous puffing process, the entire amount of active ingredient can be dispensed in one go.
Die Ursache liegt darin, dass sich die Wirkstoffe bei Erreichen einer bestimmten Temperatur unkontrolliert aus den Depot lösen, da sie nicht wie bei einerThe reason is that the active ingredients on reaching a certain temperature uncontrolled release from the depot, as they do not like a
Tabakzigarette mit dem Verbrennen einer bestimmten Tabakmenge frei werden.Tobacco cigarette with the burning of a certain amount of tobacco to be released.
Der Raucher ist es jedoch gewohnt, dass mit jedem einzelnen Zug eine bestimmte Wirkstoffmenge freigegeben wird, einmal abgesehen von möglichen gesundheitlichen Folgen einer Abgabe der gesamten Dosierung während eines Zugs.The smoker, however, is accustomed to releasing a certain amount of active substance with each individual pull, apart from the possible health consequences of delivering the entire dosage during a puff.
Die hier beschriebene Erfindung ermöglicht eine dosierte Abgabe von Wirkstoffen bei rauchlosen Zigaretten. Sie setzt die Verwendung eines Wirkstoffdepots voraus, bei dem der Wirkstoff flächig auf dem Depot aufgetragen ist.The invention described here enables a metered delivery of active ingredients in smokeless cigarettes. It requires the use of a drug depot, in which the drug is applied flat on the depot.
Ein Beispiel eines solchen Depots ist in Abb. I dargestellt. Der Hohlzylinder (10) dient als Wirkstoffdepot und Mundstück. Ein Teil der Innenfläche des Hohlzylinders (11) ist mit Wirkstoffen beschichtet, die sich bei Auftreten einer heißen Luftströmung von dem Depot lösen. Die heiße Luftströmung zieht an der Oberfläche des Depots vorbei und reißt die Wirkstoffe mit sich und tritt durch die gleichzeitige Verwendung als Mundstück am anderen Ende zur Inhalation aus. Abb. II zeigt das Gegenstück (20) des soeben erwähnten Mundstücks mitAn example of such a depot is shown in Fig. I. The hollow cylinder (10) serves as a drug depot and mouthpiece. A part of the inner surface of the hollow cylinder (11) is coated with active ingredients which dissolve in the presence of a hot air flow from the depot. The hot air flow travels past the surface of the depot and entrains the active ingredients and exits through simultaneous use as a mouthpiece at the other end for inhalation. Fig. II shows the counterpart (20) of the mouthpiece just mentioned
Wirkstoffdepot, welches z.B. das Heizelement zum Aufheizen der Luft enthalten kann. Am Ende des Gegenstücks (20) ist ein geschlitzter Hohlzylinder (30) angebracht, der nach Zusammenfuhren (Aufstecken) des erwähnten Mundstücks mit Wirkstoffdepot die beschichtete Wirkstofffläche überdeckt. Die Aussparungen (31) gewähren den Zugang der Luft zu den entsprechenden Teilflächen derDrug depot containing e.g. may contain the heating element for heating the air. At the end of the counterpart (20) a slotted hollow cylinder (30) is mounted, which covers the coated surface of the drug after Zusammenfuhr (plugging) of said mouthpiece with drug depot. The recesses (31) allow access of the air to the corresponding partial surfaces of the
Wirkstoffbeschichtung. Durch einen weiteren Hohlzylinder (40), der nur eine Aussparung enthält, werden alle anderen Aussparungen des Hohlzylinders (30) überdeckt. Abb. III verdeutlicht die Konstruktion noch ein mal in der Draufsicht. Das Gegenstück (20) trägt den hinausragenden Hohlzylinder (30) der zahlreiche großflächige Aussparungen (31) enthält. Praktischerweise werden so viele Aussparungen gewählt, wie durchschnittlich Züge an einer klassischen Tabakzigarette gemacht werden, bis diese aufgebraucht ist. Die Größe der Aussparungen und die damit für die heiße Luft angreifbare Wirkstoffoberfläche wird so mit der Wirkstoffkonzentration pro Flächeneinheit abgeglichen, dass die durch die heiße Luft abtragbare Wirkstoffmenge der Wirkstoffmenge eines durchschnittlichen Zigarettenzugs entspricht. Der Hohlzylinder (40) ist drehbar gelagert und gibt nach einem Zug mit seinerDrug coating. By a further hollow cylinder (40) which contains only one recess, all other recesses of the hollow cylinder (30) are covered. Fig. III illustrates the construction once more in plan view. The counterpart (20) carries the protruding hollow cylinder (30) containing numerous large-area recesses (31). Practically, as many slots are chosen as the average number of moves made on a classic tobacco cigarette until it is used up. The size of the recesses and thus vulnerable to the hot air surface of the active ingredient is adjusted with the active ingredient concentration per unit area that corresponds to the amount of active substance that can be ablated by the hot air of the average amount of active cigarette. The hollow cylinder (40) is rotatably mounted and gives to a train with his
Aussparung (41) durch entsprechende Drehung eine neue unverbrauchte Wirkstoffteilfläche frei.Recess (41) by appropriate rotation a new unused active ingredient part surface free.
Die beispielhafte Dosiervorrichtung ist in Abb. IV erneut aus der Seitenansicht zu sehen. Die angedeuteten Pfeile (50a, 50b) zeigen eine mögliche Form derThe exemplary metering device can be seen in Fig. IV again from the side view. The indicated arrows (50a, 50b) show a possible form of the
Luftbewegung zum eindeutigen Verständnis des Funktionsprinzips, ohne aufgestecktes Mundstück mit Wirkstoffdepot und unter einseitige Abdeckung des Hohlzylinders (40). Die Luft kann durch die schraffiert dargestellten Schlitze (41) und (31) der beiden Hohlzylinder ungehindert entweichen. Bei aufgestecktem Mundstück mit Wirkstoffdepots tritt die den Hohlzylinder (40) durchströmende Luft mit der jeweils freigegeben Wirkstoffoberfläche in Kontakt und transportiert die Wirkstoffe zur Inhalation ab. Air movement for a clear understanding of the principle of operation, without plugged mouthpiece with drug depot and under one-sided cover of the hollow cylinder (40). The air can escape unhindered through the hatched holes (41) and (31) of the two hollow cylinders. When plugged mouthpiece with drug depots the air flowing through the hollow cylinder (40) air comes into contact with the respectively released drug surface and transports the active ingredients for inhalation.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006037378A DE102006037378A1 (en) | 2006-08-09 | 2006-08-09 | Device and method for metered release of active ingredient in smokeless cigarettes |
| DE102006037378.2 | 2006-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2008017424A2 true WO2008017424A2 (en) | 2008-02-14 |
| WO2008017424A3 WO2008017424A3 (en) | 2008-04-17 |
Family
ID=38922018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2007/006882 Ceased WO2008017424A2 (en) | 2006-08-09 | 2007-08-03 | Apparatus and method for metered delivery of active ingredient with smokeless cigarettes |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102006037378A1 (en) |
| WO (1) | WO2008017424A2 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5060671A (en) * | 1989-12-01 | 1991-10-29 | Philip Morris Incorporated | Flavor generating article |
| US5093894A (en) * | 1989-12-01 | 1992-03-03 | Philip Morris Incorporated | Electrically-powered linear heating element |
| DE19854012C2 (en) * | 1998-11-12 | 2001-05-10 | Reemtsma H F & Ph | Inhalable aerosol delivery system |
| US6053176A (en) * | 1999-02-23 | 2000-04-25 | Philip Morris Incorporated | Heater and method for efficiently generating an aerosol from an indexing substrate |
| US6615840B1 (en) * | 2002-02-15 | 2003-09-09 | Philip Morris Incorporated | Electrical smoking system and method |
| DE10321379A1 (en) * | 2003-05-12 | 2004-12-30 | Nicstic Ag | Smokeless Cigarette |
-
2006
- 2006-08-09 DE DE102006037378A patent/DE102006037378A1/en not_active Withdrawn
-
2007
- 2007-08-03 WO PCT/EP2007/006882 patent/WO2008017424A2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102006037378A1 (en) | 2008-02-14 |
| WO2008017424A3 (en) | 2008-04-17 |
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