Dry powder inhaler with blister hood

Details Dry powder inhaler with blister hood Dry powder inhaler with blister hood

A - Human Necessities

61

M

A61M 15/00 (2006.01) A61M 16/10 (2006.01) B05D 7/14 (2006.01) B65D 83/06 (2006.01)

Patent

CA 2483800

A dry powder inhaler (100) including a blister disk (105) and an actuator/dobber (152/162) pivotably mounted on a base and a tray ratainer (114), a dispersion engine (164) with a hood (234) over a blister opening position. A powder pathway (118) interconnects the hood to the engine. inhalation draws powder from a blister and into the hood and engine. A blister tray assembly (104) includes a blister disk pivotably supported on a mounting hub (301). A lockout ratchet (310) is spring biased and engages the blister disk to prevent movement. Reverse movement of the actuator disengages the lockout ratchet and permits incremental movement of the blister disk by one position.

L'invention concerne un inhalateur (100) pour poudre sèche comportant un disque à bulles (105) et un actionneur (152/162) monté tournant sur une base et un dispositif de retenue (114) de plateau, un moteur de dispersion (164) doté d'un capot (234) au-dessus d'une position d'ouverture de bulles. Un passage de poudre (118) relie le capot au moteur. L'inhalation aspire la poudre d'une bulle et dans le capot et le moteur. Un ensemble plateau à bulles (104) comprend un disque supporté tournant sur un moyeu de montage (301). Un rochet de blocage (310), sollicité par un ressort, se met en prise avec le disque à bulles pour bloquer le déplacement. Le déplacement inverse de l'actionneur libère le rochet de blocage et permet le déplacement progressif du disque à bulles d'une position.

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