Apparatus and methods for providing dry powder medicament...

Details Apparatus and methods for providing dry powder medicament... Apparatus and methods for providing dry powder medicament...

A - Human Necessities

61

M

A61M 15/00 (2006.01)

Patent

CA 2606010

The application describes apparatus and methods for delivering a powdered medicament for inhalation. The medicament is put in a receptacle (100) on a vibration generator (80) operated by fluid pressure, e.g. by means of an eccentric rotor. A flow of gas from a supply (20) is passed into the receptacle (100), producing in concert with the vibration an aerosol which passes out of the receptacle and along a tube (110) to be inhaled by the patient. Both the gas flow supply and vibration may be subject to the operation of a control unit (60), which may time the production of the aerosol according to a patient's breathing cycle, e.g. as part of a ventilator system.

L'invention concerne un appareil et des procédés pour administrer un médicament en poudre pour inhalation. Ce médicament est placé dans un réceptacle (100) sur un générateur de vibrations (80) actionné par pression fluidique, p. ex. au moyen d'un rotor excentrique. Un flux de gaz provenant d'une alimentation (20) est introduit dans le réceptacle (100), produisant, avec la vibration, un aérosol s'échappant du réceptacle, le long d'un tube (110), pour être inhalé par le patient. L'alimentation en flux de gaz et la vibration peuvent dépendre du fonctionnement d'une unité de commande (60), qui peut déterminer le moment de production de l'aérosol en fonction du cycle respiratoire d'un patient, p. ex. dans le cadre d'un système de ventilateur.

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