tracheostomy cannula with inflated cuff held in doctor left hand in glove on dark background

anaesthesiologist anaesthesiology background black cannula care channel conical connector cricital critical cuff dark deflated deftlated disposable doctor emergency flat flexible glove hand healthcare held inflated inflating inflation intensive latex left material medical medicine microstream nose nostrills oaim obturator opened plastic polyurethane reinforced side sidestream sidestreanm sterile tracheostomy transparent tubes upper view visible white with