John McWhirter,E. Valaski Teuma,Richard Ty Olmstead
申请号：
US14444339
公开号：
US09968485B2
申请日:
2014.07.28
申请国别(地区):
US
年份:
2018
代理人:
摘要：
A patient interface device for use with a laser surgery apparatus, the device including an upper assembly and a lower assembly attached to the upper assembly. The device including a spherical-like object that engages the lower assembly so that an enclosed volume is defined between the spherical-like object, the lower assembly and the upper assembly, wherein a first liquid substantially fills the enclosed volume. The device further including a channel that contains a second fluid that is exposed to ambient atmosphere.
