Robert K. Larsen,Densen Cao,Jack Nichols,Richard Bruce Draper
申请号：
US15553492
公开号：
US20180014909A1
申请日:
2016.02.24
申请国别(地区):
US
年份:
2018
代理人:
摘要：
A dental handpiece may comprise a head portion and a swivel portion. The head portion may include a turbine and a light guide positioned to direct light out of the head portion near the turbine. The swivel may comprise a light emitting diode (LED) positioned to direct light into the light guide and a removable battery for powering the LED.
