摘要:
An igniter comprises at least two conductors in the spaced-apart configuration and an electrically conductive layer bridging the at least two conductors, wherein the conductive layer has an electrical resistance greater than an electrical resistance of the at least two conductors. In one embodiment, the at least two conductors and the electrically conductive layer comprise a conductive ink, which may be the same conductive ink having different dimensions. A supplementary initiator composition may be deposited on or incorporated into the conductive layer. In a process for producing the igniter, the electrically conductive layer and the at least two conductors are printed on a non-electrically conducting substrate. Also disclosed are a method for igniting a combustible composition using the igniter, a method for producing an aerosol drug using the igniter, a method for providing a dose of a drug to a human patient using the igniter, a drug delivery device comprising the igniter and a drug supply unit comprising the igniter.
摘要:
An igniter comprises at least two conductors in the spaced-apart configuration and an electrically conductive layer bridging the at least two conductors, wherein the conductive layer has an electrical resistance greater than an electrical resistance of the at least two conductors. In one embodiment, the at least two conductors and the electrically conductive layer comprise a conductive ink, which may be the same conductive ink having different dimensions. A supplementary initiator composition may be deposited on or incorporated into the conductive layer. In a process for producing the igniter, the electrically conductive layer and the at least two conductors are printed on a non-electrically conducting substrate. Also disclosed are a method for igniting a combustible composition using the igniter, a method for producing an aerosol drug using the igniter, a method for providing a dose of a drug to a human patient using the igniter, a drug delivery device comprising the igniter and a drug supply unit comprising the igniter.
摘要:
Disclosed herein are reactant formulations capable of undergoing an exothermic chemical reaction. The reactant formulations comprise a metal reducing agent, a metal-containing oxidizing agent, and manganese oxide in an amount effective to control a temperature profile of the reactant formulation. The manganese oxide may be, for example and without limitation, MnO, MnO2, or Mn3O4. The manganese oxide may be present at a concentration within the range of 2 to 60 percent, and in other embodiments, 8 to 40 percent, by weight of the reactant formulation. Also disclosed are an article for vaporization of a vaporizable compound and a heating unit.
摘要翻译:本文公开了能够经历放热化学反应的反应物制剂。 反应物制剂包含有效控制反应物制剂的温度分布的量的金属还原剂,含金属的氧化剂和氧化锰。 锰氧化物可以是例如但不限于MnO,MnO 2或Mn 3 O 4。 氧化锰的浓度可以为反应物制剂的2至60重量%,在其它实施方案中为8至40重量%。 还公开了可蒸发化合物和加热单元的蒸发的物品。
摘要:
A heating unit comprises a substrate having a first surface and a second surface. A chemical reactant material capable of undergoing an exothermic reaction is disposed on at least a portion of the first surface of the substrate. An igniter is in proximity with the chemical reactant material. A layer of adhesive material overlays at least a portion of at least one of the chemical reactant material and the first surface of the substrate. Other embodiments of the heating unit include a first and a second substrate, each having first and second surfaces positioned with the first surfaces opposing each other in a sandwich construction. A chemical reactant material is disposed on at least a portion of the first surface of at least one of the substrates. The first and the second substrates are sealed together to define a cavity containing the chemical reactant material and an igniter is provided in proximity with the chemical reactant material.
摘要:
High sparking initiator compositions with a controlled amount of power are disclosed. The initiator compositions comprise a metal containing oxidizing agent, at least one metal reducing agent, and a non-explosive binder. Low voltage igniters that provide bidirectional plumes upon ignition are also disclosed. These igniters have a electrically resistive element positioned across a hole in a support which directs the plume. These igniters and compositions are useful in the actuation of solid fuel heating unit, in particular, sealed heating units.
摘要:
The present disclosure provides a drug delivery device comprising a housing defining an airway, wherein the airway comprises at least one air inlet and a mouthpiece having at least one air outlet, at least one heated metal substrate disposed within the airway, at least one drug disposed on the at least one heated metal substrate. Drugs that can be complexed with metals or metal salts and could be deposited as thin films on heated metal substrate for generating thermal condensation aerosols are particularly suited. The metal substrate could be electrically or chemically heated. Further, the chemically heated metal source could be activated by an igniter that generates heat or spark.
摘要:
A device for vaporizing a composition. The device comprises a thermally conductive substrate having a surface, the surface comprising a thermally conductive surface structure. A dry composition capable of a solid to liquid phase change upon being heated to at least a select temperature is disposed on the surface structure. The surface structure is configured to form liquid droplets of the composition upon heating of the surface structure to at least the select temperature. The liquid droplets have a median diameter less than a median diameter of liquid droplets formed on a planar substrate surface heated to at least the select temperature.
摘要:
Aerosol drug delivery devices incorporating percussively activated heat packages are disclosed. The heat packages include a percussive igniter and a fuel capable of undergoing an exothermic oxidation-reduction reaction when ignited by the percussive igniter. The drug delivery devices disclosed can be activated by an actuation mechanism to vaporize a thin solid film comprising a drug disposed on the exterior of a hat package. Metal coordination complexes of volatile drugs, and in particular nicotine, from which the drug can be selectively vaporized when heated are also disclosed. The use of aerosol drug delivery devices comprising thin films of nicotine metal salt complexes for the treatment of nicotine craving and for effecting smoking cessation are also disclosed.
摘要:
A heating unit comprising an electrically conductive substrate. A solid fuel layer comprising a metal reducing agent, a metal containing oxidizing agent and a binder is coated on a surface of the substrate, the solid fuel layer having a solid fuel surface spaced from the substrate. A first electrode coupled to the substrate. A second electrode coupled to the solid fuel surface. A power supply is configured to be selectively coupled to the first and second electrodes to provide a voltage between the metallic substrate and the solid fuel surface. The voltage acts to propagate an exothermic metal oxidation-reduction reaction without the use of an igniter.
摘要:
The present disclosure provides a drug delivery device comprising a housing defining an airway, wherein the airway comprises at least one air inlet and a mouthpiece having at least one air outlet, at least one heated metal substrate disposed within the airway, at least one drug disposed on the at least one heated metal substrate. Drugs that can be complexed with metals or metal salts and could be deposited as thin films on heated metal substrate for generating thermal condensation aerosols are particularly suited. The metal substrate could be electrically or chemically heated. Further, the chemically heated metal source could be activated by an igniter that generates heat or spark.