 The Bunnell Life Pulse High-Frequency Ventilator is indicated for use in ventilating critically ill infants with pulmonary interstitial emphysema (PIE).Infants studied ranged in birth weight from 750 to 3529 grams and in gestation age from 24 to 41 weeks.The Bunnell Life Pulse High-Frequency Ventilator is also indicated for use in ventilating
critically ill infants with respiratory distress syndrome (RDS) complicated by pulmonary air leaks who are, in the opinion of their physicians, failing on conventional ventilation.