This bulging may allow a significant volume of fluid to flow in and out of the catheter with each pulse. Given the resistance of the catheter, this small flow can lead to pressure drop along the catheter and inaccurate pressure readings from the transducer. RenaPulse is a stiffer tubing which allows high fidelity measurement of systolic and diastolic pressures. Because air bubbles in pressure catheters are very 'soft', they can completely distort the pulse wave. We make RenaPulse tubing transparent to help you locate and remove such bubbles.
Small clots can block pressure catheters, and prevent pulse waves from reaching the transducer.
Since RenaPulse has the superb blood compatibility of Micro-Renathane, the chance of clot formation is much reduced. These features make RenaPulse the tubing of choice for high fidelity pressure measurements in small animals. RenaPulse is flexible enough for direct vessel insertion. It can he directly bonded to luer lock termination's and our stopcocks. RenaPulse can be also used with standard compression adapters or needle stubs.