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Leak Testing Considerations For Medical Balloon Catheters

The pressure decay test is the most frequently used in the testing of leaks in catheters. There are, however, certain test variants that can be used to accommodate different catheter types which is why you should be equipped with the appropriate leak test method for pressure decay to test the particular type of catheter you are using.

Medical balloon catheters test are employed in many forms of patient care, such as the administration of intravenous drugs and surgical procedures. Therefore, ensuring that the catheter is operating properly and with proper operation is vital.

medical balloon testing

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Medical balloon catheters that are not compliant, for instance, are utilized to dilate vessels and for the delivery of stents. Medical balloon catheters come with an inflatable balloon that is located near the outlet or distal end part of the catheter. 

Testing Catheters for Leaks

Testing for pressure decay in catheters usually uses compressed dry nitrogen or air. Female Luer fittings are connected to the test by using ISO-80369 steel or CTS Connect Luer fitting, which is designed specifically to form a seal over both female and male fittings to Luer. Once the Luer has been installed, you can begin the test.

The catheter is set to the test pressure desired. In the case of balloon catheters that aren't compliant the test pressure is typically between 150-450 psig. For multi-lumen catheters, the pressure of the test is typically between 5 and 200 psig. Give yourself enough time before testing the decay for the pressure to settle.