Laryngeal mask airway (LMA) yog ib qho khoom siv tau zoo tsim nyob rau hauv nruab nrab-1980s thiab siv tshuaj loog dav dav los tsim kom muaj kev nyab xeeb ntawm txoj hlab pa. Laryngeal daim npog qhov ncauj nrog cov khoom zoo muaj ntau yam zoo, xws li kev siv yooj yim, kev ua tau zoo ntawm kev tso kawm, txhim khu kev qha qhov cua, ...
Nyeem ntxiv