TracheoSense: Innovation in Endotracheal Tube Cuff Pressure Monitoring with a Three-Dimensional Printed Electronic Manometer-Syringe Device
DOI:
https://doi.org/10.32412/pjohns.v41i1.2383Keywords:
airway management, intubation, printing, three-dimensional, manometry, syringesAbstract
Objective:To design and validate TracheoSense, a 3D-printed manometer-syringe device for measuring endotracheal tube (ETT) cuff pressure, by assessing its accuracy and precision compared with a commercially available standard manometer.
Methods:
Design: Instrument Innovation
Setting: Tertiary Private Training Hospital
Participants: None
Results:The study compared the TracheoSense device with the VBM Analog Manometer, the reference standard, for measuring cuff air volume at target pressures of 20 and 30 cmH2O across tracheal model diameters of 19 mm, 21 mm, and 23 mm. At 20 cmH₂O, mean cuff volumes measured by TracheoSense ranged from 4.04 ± 0.09 mL to 5.82 ± 0.07 mL, with coefficients of variation (CV) between 1.15% and 2.18%, and minimal bias compared to the reference device (−0.02 to 0.09 mL). At 30 cmH₂O, mean volumes ranged from 4.51 ± 0.11 mL to 6.31 ± 0.23 mL, with CVs of 1.62% to 3.58% and biases between −0.07 and 0.02 mL.
Conclusion:The TracheoSense 3D-printed manometer-syringe device demonstrated comparable accuracy and precision in measuring ETT cuff pressures when compared with a commercially available analog manometer. These results support this device as a reliable and practical tool for cuff pressure monitoring.
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