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Extractor for broken tooth root
专利权人:
Theodore John Hoke; III
发明人:
Theodore John Hoke, III,Niles A. Syska
申请号:
US11906049
公开号:
US08439679B2
申请日:
2007.09.28
申请国别(地区):
US
年份:
2013
代理人:
摘要:
The invention is an extractor for roots of broken teeth. This extractor has a square head spiral. That square head spiral has a spiral anchor and a square head with optional depressions in the sides of that square head. In that square head opposite the spiral anchor is a threaded hole. Included is a generally cubical square head socket with a lower square opening. There is a centrally located passage through the top of that generally cubical square head socket. The invention also has a thumb screw device with a rotator knob part and a threaded section. In operation the square head spiral anchor is screwed into the patients broken tooth and the cubical square head socket is placed over the square head. The rotator knob part is threaded into the square head threaded hole. The extractor for roots of broken teeth is ready to remove the root of the broken tooth. The square head socket may have an extension. The invention includes a process for removing roots of broken teeth using the above device.
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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