Abstract: According to some embodiments there is provided a replaceable flow tract for use with an inhaler device which delivers at least one substance to a user, the inhaler device comprising a housing shaped to receive the flow tract and to further receive a construct comprising source material from which the at least one substance is released; the replaceable flow tract comprising: a conduit comprising: a first opening; a second opening configured for being in fluid communication with a mouthpiece; and a third opening having an elastic sealing member extending therefrom, the elastic sealing member shaped and sized for pressing against the construct when the construct is within the housing.

Abstract: According to some embodiments there is provided a replaceable flow tract for use with an inhaler device which delivers at least one substance to a user, the inhaler device comprising a housing shaped to receive the flow tract and to further receive a construct comprising source material from which the at least one substance is released; the replaceable flow tract comprising: a conduit comprising: a first opening; a second opening configured for being in fluid communication with a mouthpiece; and a third opening having an elastic sealing member extending therefrom, the elastic sealing member shaped and sized for pressing against the construct when the construct is within the housing.

Abstract: According to some embodiments there is provided a device configured for releasing at least one substance from source material, comprising: a housing; a plurality of source material sections positioned at fixed locations with respect to the housing; a plurality of airflow paths, each airflow path associated with at least one source material section; each airflow path associated with at least one blocking element which prevents flow of air through the path; and an actuator operably coupled to the blocking element, the actuator configured for unblocking the airflow path of at least one selected source material section to allow flow of air to and through source material within the selected section.

Abstract: A system and method are for authentication and a system and method are for authentication based personal service

Abstract: According to some embodiments there is provided a device configured for releasing at least one substance from source material, comprising: a housing; a plurality of source material sections positioned at fixed locations with respect to the housing; a plurality of airflow paths, each airflow path associated with at least one source material section; each airflow path associated with at least one blocking element which prevents flow of air through the path; and an actuator operably coupled to the blocking element, the actuator configured for unblocking the airflow path of at least one selected source material section to allow flow of air to and through source material within the selected section.

Abstract: Some embodiments relate to a method for heating for controlled release of at least one substance to be delivered to a user via inhalation, comprising: allowing airflow through a pallet of source material from which the at least one substance is releasable by vaporization; wherein airflow enters the pallet through a first surface and exits the pallet through a second, opposite surface of the pallet; heating a first heating element in contact with the first surface of the pallet according to a first temperature profile; and heating a second heating element in contact with the second surface of the pallet according to a second temperature profile which is different than the first temperature profile.

Abstract: According to some embodiments there is provided a device configured for releasing at least one substance from source material, comprising: a housing; a plurality of source material sections positioned at fixed locations with respect to the housing; a plurality of airflow paths, each airflow path associated with at least one source material section; each airflow path associated with at least one blocking element which prevents flow of air through the path; and an actuator operably coupled to the blocking element, the actuator configured for unblocking the airflow path of at least one selected source material section to allow flow of air to and through source material within the selected section.

Abstract: Some embodiments relate to a method for providing, during a single inhalation from an inhaler, a controllable ratio between at least a first active substance and a second active substance provided from the same source material, comprising: defining a ratio between the first and second active substances to be delivered to a user; setting operation parameters in accordance with the ratio, the operation parameters including at least one of a heating profile of the source material and an airflow profile through the source material; and operating the inhaler according to the operation parameters to deliver to the user, during a single inhalation, at least the first and second active substances at the defined ratio.

Abstract: According to some embodiments there is provided a replaceable flow tract for use with an inhaler device which delivers at least one substance to a user, the inhaler device comprising a housing shaped to receive the flow tract and to further receive a construct comprising source material from which the at least one substance is released; the replaceable flow tract comprising: a conduit comprising: a first opening; a second opening configured for being in fluid communication with a mouthpiece; and a third opening having an elastic sealing member extending therefrom, the elastic sealing member shaped and sized for pressing against the construct when the construct is within the housing.

Abstract: According to some embodiments there is provided a device configured for releasing at least one substance from source material, comprising: a housing; a plurality of source material sections positioned at fixed locations with respect to the housing; a plurality of airflow paths, each airflow path associated with at least one source material section; each airflow path associated with at least one blocking element which prevents flow of air through the path; and an actuator operably coupled to the blocking element, the actuator configured for unblocking the airflow path of at least one selected source material section to allow flow of air to and through source material within the selected section.