A nebulizer comprises a head detachably coupled to a body. The head comprises a nebulizer, an air channel and a flow sensor. A nebulized liquid is released in an air channel that ends in a mouth piece through which a user inhales and exhales. The inhaling and exhaling causes a flow in the air channe
A nebulizer comprises a head detachably coupled to a body. The head comprises a nebulizer, an air channel and a flow sensor. A nebulized liquid is released in an air channel that ends in a mouth piece through which a user inhales and exhales. The inhaling and exhaling causes a flow in the air channel which is detected with the flow sensor. The nebulizer is controlled by a controller included in the body.
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1. A nebulizer assembly comprising: a head comprising: a medication chamber configured to hold a liquid;a vibration source configured to nebulize the liquid, the vibration source comprising a mesh;an air channel in which the nebulized liquid is released, the air channel being arranged to guide a flo
1. A nebulizer assembly comprising: a head comprising: a medication chamber configured to hold a liquid;a vibration source configured to nebulize the liquid, the vibration source comprising a mesh;an air channel in which the nebulized liquid is released, the air channel being arranged to guide a flow caused by an inhaled and exhaled breath of a user, wherein the flow is guided along the mesh, and wherein the air channel has a first side and a second side opposite the first side, wherein the air channel ends at the first side in a mouthpiece configured to deliver the nebulized liquid to the user, and wherein the second side is in communication with ambient air; anda sensor configured to generate output signals that convey information related to the flow; anda body detachably coupled to the head, the body comprising a controller configured to control the vibration source, the controller including driving circuitry for controlling the vibration source, wherein, the sensor is a thermal flow sensor comprising an electrically driven thermal element configured to sense flow in the air channel. 2. The nebulizer assembly according to claim 1, wherein the controller is configured to energize the vibration source based on a signal received from the sensor. 3. The nebulizer assembly according to claim 2, wherein the signal corresponds to a direction of the flow in the air channel. 4. The nebulizer assembly according to claim 1, further comprising: a pressure sensor arranged to sense the flow based on a pressure measurement. 5. The nebulizer assembly according to claim 4, wherein the thermal flow sensor comprises an electrically driven thermal element disposed on a front side of the thermal flow sensor device, the front side facing the interior of the air channel. 6. The nebulizer assembly according to claim 1, wherein the thermal flow sensor comprises an integrated circuit die that includes an electrically driven thermal element disposed on the front side and one or more bondpads at a backside of the thermal flow sensor opposite the front side, the one or more bondpads being electrically coupled to the thermal element. 7. The nebulizer assembly according to claim 1, wherein the thermal element comprises a heating element and at least two temperature sensing elements. 8. The nebulizer assembly according to claim 1, wherein the air channel comprises a wall having a recess defined therein in which the thermal flow sensor is mounted with the electrically driven thermal element facing the air channel. 9. The nebulizer assembly according to claim 1, wherein the mesh is detachably coupled to the medication chamber. 10. The nebulizer assembly according to claim 1, wherein the medication chamber is formed such that the mesh is separated from the vibration source by a gap, the vibration source being configured to vibrate at a frequency f, the mesh being separated from the vibration source by the gap forming a distance between the mesh and the vibration source of substantially Lambda/2, wherein Lambda=v/f, v being the speed of a wave in the liquid caused by the vibration at frequency f. 11. The nebulizer assembly according to claim 1, further comprising an electrical energy source arranged to transfer energy from the body to the head to energize the vibration source, the flow sensor, or both using a magnetic field coupling between the head and the body. 12. The nebulizer assembly according to claim 1, wherein the signal from the sensor is transferred from the head to the body using a magnetic field, an optical coupling, or both. 13. A method of detecting an inhaled or exhaled breath of a person using a nebulizer, the method comprising the step of: generating vibrational energy with a vibration source disposed within a head of the nebulizer to nebulize a liquid, wherein the vibrational energy is provided to the liquid while the liquid is held in a medication chamber, the medication chamber being within the head of the nebulizer;generating with a sensor disposed within the head of the nebulizer, output signals that convey information related to a flow in the air channel of the nebulizer, the flow being caused by an inhaled or exhaled breath of a user, the air channel being configured to guide the flow along a mesh in the vibration source, and wherein the air channel has a first side and a second side opposite the first side, wherein the air channel ends at the first side in a mouthpiece configured to deliver the nebulized liquid to the user, and wherein the second side is in communication with ambient air,controlling with a controller the vibration source, the controller being disposed in a body of the nebulizer that is detachably coupled to the head, wherein the controlling includes driving a circuit to control vibration of the vibration source, and wherein the sensor is a thermal flow sensor comprising an electrically driven thermal element configured to sense flow in the air channel. 14. A nebulizer assembly comprising: a head comprising: a medication chamber configured to hold a liquid;a vibration source configured to nebulize the liquid, the vibration source comprising a mesh;an air channel in which the nebulized liquid is released, the air channel being arranged to guide a flow caused by an inhaled and exhaled breath of a user, wherein the flow is guided along the mesh; anda sensor configured to generate output signals that convey information related to the flow; anda body detachably coupled to the head using a magnetic field coupling, wherein: the magnetic field coupling comprises two U shaped cores, the U shapes cores having legs configured to align when the body is detachably coupled to the head;the body comprises a controller configured to control the vibration source, the controller including driving circuitry for controlling the vibration source; andthe sensor is a thermal flow sensor comprising an electrically driven thermal element configured to sense flow in the air channel. 15. The nebulizer assembly according to claim 14, wherein the controller is configured to energize the vibration source based on a signal received from the sensor. 16. The nebulizer assembly according to claim 15, wherein the signal corresponds to a direction of the flow in the air channel. 17. The nebulizer assembly according to claim 14, further comprising: a pressure sensor arranged to sense the flow based on a pressure measurement. 18. The nebulizer assembly according to claim 17, wherein the thermal flow sensor comprises an electrically driven thermal element disposed on a front side of the thermal flow sensor device, the front side facing the interior of the air channel. 19. The nebulizer assembly according to claim 14, wherein the thermal flow sensor comprises an integrated circuit die that includes an electrically driven thermal element disposed on the front side and one or more bondpads at a backside of the thermal flow sensor opposite the front side, the one or more bondpads being electrically coupled to the thermal element. 20. The nebulizer assembly according to claim 14, wherein the thermal element comprises a heating element and at least two temperature sensing elements. 21. The nebulizer assembly according to claim 14, wherein the air channel comprises a wall having a recess defined therein in which the thermal flow sensor is mounted with the electrically driven thermal element facing the air channel. 22. The nebulizer assembly according to claim 14, wherein the mesh is detachably coupled to the medication chamber. 23. The nebulizer assembly according to claim 14, wherein the medication chamber is formed such that the mesh is separated from the vibration source by a gap, the vibration source being configured to vibrate at a frequency f, the mesh being separated from the vibration source by the gap forming a distance between the mesh and the vibration source of substantially Lambda/2, wherein Lambda=v/f, v being the speed of a wave in the liquid caused by the vibration at frequency f. 24. The nebulizer assembly according to claim 14, further comprising an electrical energy source arranged to transfer energy from the body to the head to energize the vibration source, the flow sensor, or both using the magnetic field coupling between the head and the body. 25. The nebulizer assembly according to claim 14, wherein the signal from the sensor is transferred from the head to the body using the magnetic field, an optical coupling, or both. 26. A method of detecting an inhaled or exhaled breath of a person using a nebulizer, the method comprising the step of: generating vibrational energy with a vibration source disposed within a head of the nebulizer to nebulize a liquid, wherein the vibrational energy is provided to the liquid while the liquid is held in a medication chamber, the medication chamber being within the head of the nebulizer;generating with a sensor disposed within the head of the nebulizer, output signals that convey information related to a flow in an air channel of the nebulizer, the flow being caused by an inhaled or exhaled breath of a user, the air channel being configured to guide the flow along a mesh in the vibration source,controlling with a controller the vibration source, the controller being disposed in a body of the nebulizer that is detachably coupled to the head using a magnetic field coupling, wherein the magnetic field coupling comprises two U shaped cores, the U shapes cores having legs configured to align when the body is detachably coupled to the head, wherein the controlling includes driving a circuit to control vibration of the vibration source, and wherein the sensor is a thermal flow sensor comprising an electrically driven thermal element configured to sense flow in the air channel.
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