Muhammad Ovais ASLAM,Muhammad Arqam AWAIS,Minahil AWAIS
申请号：
US15269019
公开号：
US20180078749A1
申请日:
2016.09.19
申请国别(地区):
US
年份:
2018
代理人:
摘要：
A cannula apparatus including an outer tube with an elongated body and a groove, an inner tube disposed inside the outer tube and being manipulable through the groove, and a cap including a hole, the cap mounted at one end of the outer tube through the hole, in which the inner tube is freely slidable relative to the outer tube.
