Medicament delivery and packaging

Details Medicament delivery and packaging Medicament delivery and packaging

A - Human Necessities

61

M

A61M 15/00 (2006.01)

Patent

CA 2322434

A system for the administration of a powdered medicament by inhaltation comprises a container (21) containing a unit dose of medicament in powder form, and a device (10) having a chamber (16) adapted to receive the container (21). The device (10) has air inlets (19, 20) by which air may be drawn into the chamber (16) and a mouthpiece (14) by which air and entrained medicament may be drawn out of the chamber (16). The chamber (16) is substantially circular or annular in form and, in use, the container (21) follows an orbital path within the chamber (16), medicament being dispensed from the container (21) through at least one opening in the container (21). Also described are packagings for powdered medicaments which are particularly suitable for use in the system.

L'invention concerne un système conçu pour administrer un médicament pulvérulent par inhalation, ledit système étant composé d'un récipient (21), qui contient une dose unitaire d'un médicament en poudre, et d'un dispositif (10) qui comporte une chambre (16) conçue pour loger le récipient (21). Le dispositif (10) possède des entrées d'air (19, 20), à travers lesquelles l'air est aspiré dans la chambre (16), et un embout buccal (14) au moyen duquel on aspire, depuis la chambre (16), l'air et le médicament entraîné. La chambre (16) a une forme sensiblement circulaire ou annulaire; lors de l'utilisation, le récipient (21) suit une trajectoire orbitale à l'intérieur de la chambre (16), le médicament étant distribué depuis le récipient (21) à travers au moins un orifice que comporte ledit récipient (21). L'invention concerne également de nouvelles formes d'emballage pour médicaments pulvérulents, particulièrement bien adaptées au système décrit.

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