Michael Castro,Joseph Karcsmar,R. Maxwell Flaherty,J. Christopher Flaherty
申请号：
US15038531
公开号：
US10492769B2
申请日:
2014.11.24
申请国别(地区):
US
年份:
2019
代理人:
摘要：
An oral retraction device comprises a tongue depressor blade, an articulation assembly constructed and arranged to articulate the tongue depressor blade with at least three degrees of freedom, and a support element constructed and arranged to provide a stabilizing force to the articulation assembly during articulation of the tongue depressor blade.
