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Proper placement of blood pressure transducers to patient's heart level is essential for invasive pressure measurement. This is particularly important during the measurement of low-pressure parameters such as central venous pressure, pulmonary artery pressure or intracranial pressure. The Delta Press Indicator is a new device for set-up and continuous control of blood pressure transducer position. A transducer holding device has integrated a reference pressure sensor connected to a water filled reference tube, which is attached to the patient's heart level. The hydrostatic pressure difference between the patient's heart level and the blood pressure transducer zero level is computed from the hydrostatic pressure of the water column in the reference tube and indicated by a numerical display. It allows to adjust the transducer holding device in a simple and rapid manner to the patient's heart level. Further changes of the patient or the transducer position are shown by the numerical display and are indicated by a visual and acoustical alarm system.

Delta Press Indicator: A New Device For Adjustment And Monitoring Hemodynamic Pressure Transducer Position