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Electrolarynx
专利权人:
Brian Kamradt
发明人:
Brian Kamradt,Bradley Allen Wheeler
申请号:
US13619030
公开号:
US20140079233A1
申请日:
2012.09.14
申请国别(地区):
US
年份:
2014
代理人:
摘要:
An electrolarynx includes a motor having a locating diaphragm, a bobbin, and a magnetic assembly. The bobbin includes a striker and coil wires wound about a coil cylinder of an electromagnet. The locating diaphragm maintains the position of the bobbin along the longitudinal axis of the housing. The magnetic assembly includes a magnet and a non-magnetic guide disc that sandwiches the magnet to the housing. The magnet and the coil wires drive the striker and, in turn, a contact diaphragm in the cap of the electrolarynx that makes contact with a patients throat to produce vibrations similar to those produced by the larynx. To avoid “gravitational wear” of the coil wires against a magnetic cup used to center the coil wires, the walls of the cup are made thinner and the magnetic cup may be replaced with a non-magnetic cup or the magnetic cup is removed altogether.
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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