of mercury so that catheters often adhered immediately to mucous membranes when the pinch was released. In cases requiring deep suction after recent tracheotomy, tracheal secretions were seldom ...

This warrants investigation. Although the same suction catheter may be used for several suction passes, [53] external environmental contamination should be limited. The suction catheter should be ...

Conclusions: Endotracheal suctioning is a procedure used regularly ... saline instillation; catheter size selection; vacuum pressure; sterility; duration of suction application; depth of catheter ...