Gregory S. Konstorum,John S. Duran,Antonio E. Prats,Lawrence J. St. George
申请号：
US13773778
公开号：
US08795290B2
申请日:
2013.02.22
申请国别(地区):
US
年份:
2014
代理人:
摘要：
Improved ear ventilation tubes and spring loaded insertion devices for use with the ventilation tubes whereby perforation and insertion steps take place substantially simultaneously with an aspiration step following.
