FCV: Full respiratory control
Ventinova’s new ventilation technique FCV®is unique in controlling the inspiration as well as the expiration phase during artificial ventilation of a patient. This is established by generating a continuous flow into the patient’s lungs during inspiration or a continuous (negative) flow, sucking gasses out of the patient’s lungs. The continuous flow either into the lungs or out of the lungs, without ventilation pauses, results in linear increases and decreases in intratracheal pressures.
FCV enables ventilation through small bore and high resistant tubes, with an inner diameter of <3 mm. in open and obstructed (sealed) airways. Therewith it has saved lives in CICO situations and it has provided numerous new possibilities for surgical treatment, especially during ENT or oral surgery: the surgeon has a hygienic and clear sight and a spacious surgical exposure.
FCV ventilation is based on creating linear increases and decreases in intratracheal pressures. As a result, the mean airway pressure will be higher as to be compared to conventional large bore Volume Controlled Ventilation or Pressure Controlled Ventilation. Therewith bronchiole and alveoli will be kept more open during ventilation facilitating oxygen uptake in the blood. Moreover, the continuous gas flow enhances gas mixture in the lungs also improving gas exchange. All together FCV results in a higher efficient ventilation as compared to conventional ventilation techniques.
FCV is based on a controlled, stable flow generating with pressures at the tip of the endotracheal tube just high enough to generate a linear increase intratracheal pressure during inspiration and a pressure just low enough to generate a linear decrease in intratracheal pressure during expiration. This is in contrast to Pressure Controlled Ventilation and Volume Controlled Ventilation where, especially during the passive expiratory phase, large intratracheal pressure drops are observed due to the instant pressure caused by collapsing thoracic wall.
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Prof. Barnes, together with Van Asseldonk and Enk, provide clear theoretical evidence for lower energy dissipation in the lungs by FCV® as compared to VCV or PCV. They present a simple analysis and numerical calculations indicating that energy dissipation may be...
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