The one-way flow sensor from Sensirion LD20-2000T Award at this year’s MEDICA with a price. The jury was impressed by the application due to the integration of the thermal sensor element in a micro chip that fits on the surface of a pinhead thanks CMOSens technology of semiconductor technology.

The one-way flow sensor measures flow rates inside medical tubing, for example in an infusion set or catheters. Since it is very cost effective, it is also suitable for use in disposable applications.

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The drug delivery using an infusion set, an infusion pump or other medical products can be measured precisely and in real time. Since it is thereby easier to monitor the treatment and control, better treatment results. Automatic detection of faults – such as closure, unmetered flow, bubbles or cracks in the hose connection – patient safety is significantly increased.

Microchip measures the flow

Inside the one-way flow sensor, a microchip measures the flow within a fluidic channel. Flow rates from 0 to 420 ml / h and more are diagnosed with the usual accuracy of 5% of the measured value. Inert, wetted materials for medical applications ensure sterility without contamination of the respective liquid.

The straight, open flow channel with no moving parts ensures reliable measurement technology. Due to the size of the sensor chip fast and reproducible measurements. The fully calibrated signal on the processed 7.4 mm² chip and linearized.