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Compteur de doses pour inhalateur doseur
专利权人:
Ivax International B.v.
发明人:
申请号:
EP13004775.6
公开号:
EP2687253A1
申请日:
2010.07.28
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
Disclosed herein is a dose counter (18) for counting doses of medicament dispensed by or remaining in a metered-dose inhaler. The dose counter comprises a rotatably mounted first gear wheel (30) having a circular arrangement of ratchet teeth and a display (44) coupled to the first gear wheel, the display having a visible array of dose counting indicia indexable in response to rotary motion of the first gear wheel. The dose counter further comprises an actuator mechanism (20,22,24,26) having a first ratchet drive pawl for engaging the ratchet teeth of the first gear wheel in response to the dispensation of a medicament dose, and a second ratchet drive pawl for engaging the ratchet teeth of a gear wheel coupled to the display. The actuator mechanism is configured such that, in use of the dose counter for counting a dispensed dose, a first ratchet tooth of the first gear wheel is engaged and rotatably driven by the first ratchet drive pawl and then a second ratchet tooth of the gear wheel coupled to the display is engaged and rotatably driven by the second ratchet drive pawl.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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