Stethoscope Tips

How to Install Your Diaphragm and Retaining Ring on Your MDF® Stethoscope

To place a diaphragm into your retaining ring warm up the ring to make it more flexible. You can warm up the retaining ring in warm water or in a cup with a blow dryer. Slide the diaphragm into the ring and make sure that the diaphragm is secure without any edges peeking out. To install the retaining ring and diaphragm onto the chest piece place the lip of the ring under the edge of the chest piece. Continue to press the ring along the edges of the chest piece until it snaps into place. You're all set.

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How to Remove your MDF® Instruments Diaphragm and Retaining Ring from the Chestpiece

How to Remove your MDF® Instruments Diaphragm and Retaining Ring from the Chestpiece

Sometimes the diaphragm will crack or get dirty after sometime of use, this is why we offer it under our Free-Parts-For-Life program! We are here to assist with the process to change out your stethoscope parts for fresh ones.

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How to Install Your Diaphragm and Retaining Ring on Your MDF® Stethoscope

How to Install Your Diaphragm and Retaining Ring on Your MDF® Stethoscope

To place a diaphragm into your retaining ring warm up the ring to make it more flexible. You can warm up the retaining ring in warm water or in a cup with a blow dryer. Slide the diaphragm into the ring and make sure that the diaphragm is secure without any edges peeking out.

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How to Find Your Stethoscope's Serial Number

How to Find Your Stethoscope's Serial Number

To find your MDF Instruments® stethoscope serial number look for seven characters printed on the stethoscope chess piece. This should be a letter followed by a six digit number. For the 797X unscrew the chest piece to find the serial number. For the 767X you can find the serial number in the middle barrel.

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