Medical vacuum device
作者： Doug McCredy
DOI:
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摘要: A medical vacuum device including a vacuum. hose is received within the and into communication with suction pump of The includes tube having conical configuration. couples hose. can be extended throat choking victim in order to suck out item food lodged victims throat.
lens.org 参考文章(1)
Bernier Gaetan D E Avenue Ri, CLEANER FOR NOSE ,(1982)