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BANDE OLFACTIVE PORTATIVE
专利权人:
SENSONICS; INC.
发明人:
MARTINO, DOMINICK DANIEL
申请号:
CA2908133
公开号:
CA2908133A1
申请日:
2014.04.01
申请国别(地区):
CA
年份:
2014
代理人:
摘要:
A hand held olfactory tester includes an elongated housing (12) with an opening at its forward end (30) thereof. An odorant chamber (22) located within the housing moveable axially between a forward (Fig. 4) and a backward position (Fig. 5). A wick (34) extends from the odorant chamber forwardly into a nozzle (32) carried at the forward end of the chamber. A thumb collar (24) located around the outside of the housing allows to move the odor chamber and nozzle forwardly. The forward end of the wick exposed to outside through the opening when moved forward so that vapors from the odorant can be smelled by a patient. 0-rings (40, 42) seal the nozzle from the outside when in backward position to prevent vapors from escaping. An elongated spring (28) biases the odorant chamber and nozzle backwardly into its rear sealed position when the thumb collar is released.
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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