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Trepan
专利权人:
MEDIZINISCHE UNIVERSITAET WIEN
发明人:
申请号:
AT13722009
公开号:
AT509292A9
申请日:
2009.09.01
申请国别(地区):
AT
年份:
2012
代理人:
摘要:
The invention relates to a trepan drill (1) for surgical purposes, in particular dental surgery purposes, comprising a drill shaft (2), a drill bit (3) formed at least partially by a hollow cylindrical shell (5), and a cooling device for the drill bit (3), wherein the cooling device comprises at least one cooling channel (11) extending in the hollow cylindrical shell (5) of the drill bit (3) and having a closed cross-section.
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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