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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0898970 (1986-08-21) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 357 인용 특허 : 0 |
A medicament dosing device capable of administering a vaporized medicament in the form of tiny aerosol particles to the mouth and lungs of the user at a substantially constant concentration level. In a particularly preferred embodiment the dosing device is used to provide nicotine to a cigarette smo
A medicament dosing device capable of administering a vaporized medicament in the form of tiny aerosol particles to the mouth and lungs of the user at a substantially constant concentration level. In a particularly preferred embodiment the dosing device is used to provide nicotine to a cigarette smoker in a form and a dose that closely mimics a burning cigarette to satisfy the smoker\s craving for nicotine, but without subjecting either the user or any non-users in the immediate vicinity to the tars and carbon monoxide of cigarette smoke. A preferred device comprises a battery powered resistance heater housed in a cigarette-shaped tube. A demand-operated switch is employed in the circuit so that as the user sucks air through the tube in a manner similar to puffing on a cigarette, energy is supplied to the resistance heater which vaporizes the nicotine. Because the system vaporizes the medicament being administered only upon activation of the demand-operated switch, the concentration of the medicament will be substantially constant each time the user sucks on the mouthpiece end of the cigarette-shaped tube, regardless of the length of the time intervals which pass between successive inhalations.
A medicament dosing device capable of automatically administering a vaporized medicament in the form of tiny aerosol particles to the mouth and lungs of a user at a substantially constant concentration level for any given air flow rate through the device regardless of the time interval which passes
A medicament dosing device capable of automatically administering a vaporized medicament in the form of tiny aerosol particles to the mouth and lungs of a user at a substantially constant concentration level for any given air flow rate through the device regardless of the time interval which passes between successive inhalations, said device comprising: (a) an element having an elongated body portion of a size to be carried and manipulated in the hand of a user, said element including a mouthpiece at one end of said body portion for insertion in the mouth of the user, the opposite outermost end of said body portion projection outwardly from the user\s mouth; (b) a medicament releasing composition which releases medicament vapor when subject to an elevated temperature below its ignition point disposed in said body portion of said element; (c) combustion-free heating means for heating the medicament releasing composition to an elevated temperature below its ignition point so as to cause the release of medicament vapor disposed in said body portion of said element; (d) a continuous passageway from the outer end of said body portion of said element to said mouthpiece end and communicating with the medicament releasing composition; and (e) normally open switch means disposed within said body portion of said element, said normally open switch means being automatically held closed only in response to the user drawing air through said passageway from said outermost end of said body portion of said element to said mouthpiece end, said switch means being electrically connected to said heating means so as to energize said heating means to vaporize said medicament only while air is being drawn through said passageway by the user, a substantial portion of said medicament which is vaporized being entrained within said air drawn through said passageway, whereby for any given air flow rate through said device the concentration level of said vaporized medicament contained therein will be substantially constant regardless of the time interval which passes between successive inhalations.
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