How To Videos
How to Get Free Parts for an MDF Instruments Stethoscope
We replace our ComfortSeal™ soft silicone eartips in 3 sizes. They are available for free in large, medium and small sizes, in clear and black colors. We offer them for free so that you can keep th...
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How to Replace the Battery in a Pulse Time Stethoscope
If you no longer see the digital hands on your MDF Instruments® Pulse Time® Stethoscope clock, it’s time to replace the battery. To replace the battery, first remove the metal retaining ring from t...
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How to Install a Stethoscope Diaphragm and Retaining Ring
To place the stethoscope diaphragm into the retaining ring, warm up the ring to make it more flexible.You can warm up the retaining ring in a cup of warm water or using a blow dryer.
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