Inhalation device

A - Human Necessities – 61 – M

Patent

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Details

A61M 15/00 (2006.01)

Patent

CA 2284485

An inhaler for administering powder by inhalation and a method of constructing the same, the inhaler comprising a member which defines a chamber for containing desiccant, the member comprising first and second parts (14, 16) which when fitted together define the chamber for containing desiccant and comprise cooperating detent means for holding the same together on fitting, wherein the first part (14) has an outer surface provided with at least one of an internal or external spline (28) and the second part (16) has an inner surface provided with at least one of the other of an internal or external spline (36), the splines (28, 36) being dimensioned and spaced relative to the cooperating detent means such that, when the first and second parts (14, 16) are fitted together, the at least one external spline (28) is engaged within the at least one internal spline (36) before any resistance to further insertion is caused by the cooperating detent means.

Inhalateur servant à l'administration de poudre par inhalation et procédé de construction associé. L'inhalateur comprend un élément qui définit une chambre destinée à contenir du siccatif, l'élément comprenant des première et deuxième parties (14, 26) qui, une fois assemblées constituent la chambre pour le siccatif et comportent un mécanisme de détente coopérant servant à retenir cette dernière lors du montage. La première partie (14) comporte une surface externe constituée d'au moins une cannelure (28) intérieure ou extérieure alors que la deuxième partie (16) comporte une surface interne constituée d'au moins une cannelure telle que l'autre cannelure (36) intérieure ou extérieure; les cannelures (28, 36) étant dimensionnées et espacées du mécanisme de détente coopérant de telle sorte que lorsque les première et deuxième parties (14, 16) sont assemblées, la ou les cannelures (28) extérieure(s) est/sont engagée(s) dans la ou les cannelures (36) intérieure(s) avant que le mécanisme de détente coopérant ne provoque une quelconque résistance à une autre insertion.

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