Inhalation Devices for Powdered Medicines
A technology for inhalation devices and powdered medicines, which is applied in the field of inhalation devices for powdered medicines, can solve problems such as high trigger force and delay, and achieve the effect of reducing airflow changes
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[0057] Figures 1 to 20 The inhaler 1 shown in is an inhaler for powdered medicaments for delivering boluses of powdered medicaments from a container in the form of a powder canister. The powder container 3 defines a reservoir 2 for receiving a bolus of powder / powdered drug. In the described embodiment, the number of doses obtainable from one powder container 3 is typically in the range of 30 to 60 doses.
[0058] From figure 2 It can be seen that the reservoir 2 is hermetically covered by a lid 4 . In the assembled state of the inhaler, the cap is secured to the canister 3a in a non-detachable manner.
[0059] The patient receives the powdered dose by means of a flow of air induced by the user (ie, inhalation induced). The inhaler therefore further comprises an actuating means for manual engagement by the patient in the form of a dose key 5 connected to a delivery mechanism comprising a dose lever 6 and a locking lever 7 . The dose lever 6 acts on a dose slide 8 as a me...
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