摘要:
The present invention relates to devices for storing and delivering medicament. A device (100) according to an embodiment of the present invention comprises an air path (103) and a chamber (101) configured for storing and delivering a medicament. The chamber has a substantially curved interior surface and an opening (111) that provides fluid communication with the air path. The opening includes an inlet admitting air from the air path and an outlet for medicament entrained air to exit into the air path. A section of the curved interior surface is configured to redirect at least a portion of the inlet flow toward the inlet flow of air. So configured, some of the redirected flow of air may exit the chamber through the outlet and into the air path while other portions of the redirected flow of air recirculates about the chamber.
摘要:
The present invention relates to devices for storing and delivering medicament. A device (100) according to an embodiment of the present invention comprises an air path (103) and a chamber (101) configured for storing and delivering a medicament. The chamber has a substantially curved interior surface and an opening (111) that provides fluid communication with the air path. The opening includes an inlet admitting air from the air path and an outlet for medicament entrained air to exit into the air path. A section of the curved interior surface is configured to redirect at least a portion of the inlet flow toward the inlet flow of air. So configured, some of the redirected flow of air may exit the chamber through the outlet and into the air path while other portions of the redirected flow of air recirculates about the chamber.
摘要:
The present invention relates to a drug delivery system comprising: a chamber including an air inlet and an air outlet and defining an air path from the air inlet to the air outlet; and a dose metering system formed into the walls of the chamber to assist in drug dispersion into the air path; a reservoir in proximity to the dose metering system and configured to retain a drug to be dispersed into the air path; and wherein the dose metering system is designed to divert, deflect or direct at least a portion of airflow from the chamber into the reservoir.
摘要:
Dose delivery device with partially or fully surrounding cover may be removed to open fluid communication with a dose chamber. The cover may allow an inhaler to be stored in sterile or otherwise in a controlled environment prior to use, and removal of the cover may automatically prepare the inhaler for use.
摘要:
The present invention relates to devices for storing and delivering medicament. A device (100) according to an embodiment of the present invention comprises an air path (103) and a chamber (101) configured for storing and delivering a medicament. The chamber has a substantially curved interior surface and an opening (111) that provides fluid communication with the air path. The opening includes an inlet admitting air from the air path and an outlet for medicament entrained air to exit into the air path. A section of the curved interior surface is configured to redirect at least a portion of the inlet flow toward the inlet flow of air. So configured, some of the redirected flow of air may exit the chamber through the outlet and into the air path while other portions of the redirected flow of air recirculates about the chamber.
摘要:
Dose delivery device with partially or fully surrounding cover may be removed to open fluid communication with a dose chamber. The cover may allow an inhaler to be stored in sterile or otherwise in a controlled environment prior to use, and removal of the cover may automatically prepare the inhaler for use.
摘要:
The present invention relates to devices for storing and delivering medicament. A device (100) according to an embodiment of the present invention comprises an air path (103) and a chamber (101) configured for storing and delivering a medicament. The chamber has a substantially curved interior surface and an opening (111) that provides fluid communication with the air path. The opening includes an inlet admitting air from the air path and an outlet for medicament entrained air to exit into the air path. A section of the curved interior surface is configured to redirect at least a portion of the inlet flow toward the inlet flow of air. So configured, some of the redirected flow of air may exit the chamber through the outlet and into the air path while other portions of the redirected flow of air recirculates about the chamber.
摘要:
The present invention provides for the integration of drug dispersion methods into a packaging device. The drug dispersion methods used include shear (e.g., air across a drug, with or without a gas assist), capillary flow or a venturi effect, mechanical means such as spinning, vibration, or impaction, and turbulence (e.g., using mesh screens, or restrictions in the air path). These methods of drug dispersion allow for all of the drug in the packaging device to be released, allowing control of the dosage size. These methods also provide for drug metering, fluidization, entrainment, deaggragation and deagglomeration. The present invention also provides for the integration of a drug sealing system into the packaging device.