Perforated structure
AssigneePhilip Morris Products S.A.
InventorsPierre Herve, Shoaib Majeed, Antonin Sandoz, Sandro Steiner
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Abstract
There is described herein a perforated structure for use in a simulated respiratory tract, the structure comprising a perforated envelope housing one or more branched channels, wherein each perforation is an open terminal of a branch. Also described is a pump for displacing a volume of gas that includes one or more branched channels, such as the perforated structure described herein. Use of the pump in a system for determining the interaction between a test atmosphere and a simulated respiratory tract is also described, together with methods and uses of such a system.
Claims18
A perforated structure for use with a simulated respiratory tract, the structure comprising a perforated envelope comprising one or more perforations and housing one or more branched channels, wherein each perforation is an open terminal of the one or more branched channels, and wherein the one more of the branched channels comprise one or more coatings on part or all of an internal surface of the branched channels.
A pump for displacing a volume of gas comprising a port and one or more branched channels inside the pump, wherein the one or more branched channels are connected to a port for receiving and outputting the gas.
Dependencies are inferred from the claim text.