Guide inner core device with adjustable bending angle of trachea cannula

The utility model discloses a trachea cannula bending angle adjustable guiding inner core device which comprises a flexible guiding core tube, the front portion of the guiding core tube comprises a bending section, an annular sleeve is fixed to the portion, in front of the bending section, of the guiding core tube, the rear portion of the guiding core tube is sleeved with a push-pull sleeve, and the outer wall of the rear portion of the guiding core tube comprises an axial sliding groove. The push-pull sleeve is guided by the chute; the middle of the guide core tube comprises a stay wire channel, the front end of the stay wire is connected with the annular sleeve, the middle of the stay wire penetrates through the stay wire channel, and the rear end of the stay wire is connected with the push-pull sleeve. The guide inner core device is inserted into the endotracheal tube before intubation, the bending degree of the guide inner core device is adjusted through the push-pull sleeve in the intubation process, the