Stethoscope Tips
How to Remove your MDF® Instruments Diaphragm and Retaining Ring from the Chestpiece
Your diaphragm is the airtight seal drum with the MDF® logo and the retaining ring in the rubber piece around it securing the part on the stethoscope. This side of the dual head chest piece is used to listen to high frequency sounds. 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.
To remove the diaphragm and retaining ring from your stethoscope, put pressure on the outer edge of the retaining ring using your thumbs pushing it down, away from the chestpiece. This will loosen the diaphragm. Then continue to pull the retaining ring up and over the chestpiece.
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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.
Read more
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
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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