Tag Archive: stethoscope

3M Celebrating 50 Years with Littmann

The 3M Company is celebrating the acquisition of Littmann Stethoscopes 50 years ago. Oh if only Dr. David Littmann was able to see where healthcare and his stethoscopes have gone! I truly wonder what he would think about some of the technology we have today, and what we can and cannot do with it. Innovators like Dr. Littmann never stop. Dr. Littmann would probably still be innovating today if he was still alive. We now have digital stethoscopes, Bluetooth, and...
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When do I need to buy a new stethoscope?

Stethoscopes are a tool. The people using stethoscopes are skilled workers. Many users are masters of their trade and specialty. Much as a mechanic might wear out a good wrench, individuals working in the medical field eventually reach a time when they need to part ways with their trusty stethoscope and find a new model. Determining when this time has arrived can be difficult, so here is a brief guide to help you anticipate when you might need to consider...
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How to Auscultate Heart Sounds

Like all patient assessments, the assessment of the cardiovascular system and heart needs to be done in a systematic manner. Each patient should have the same general pattern of assessment and technique used. Developing a good technique for listening to the heart prevents key information from being missed, and helps the practitioner organize their thoughts and assessment of the heart. Ideally you should listen to the heart with the stethoscope against the patient’s skin. This is especially important if you...
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History of the Stethoscope

The origin of the stethoscope can be traced back to 19th Century France. René-Théophile-Hyacinthe Laennec was a French physician who was uncomfortable placing his head on the chest of women to listen to their hearts. His invention of the what he called the stethoscope can be pinned to the year 1816. The original stethoscope was simple in design and existed primarily in the form of a solid tube structure with flared ends. Although simple, the original design marked the departure...
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Anatomy of the Stethoscope

Earpiece The earpiece allows for a tight seal between the user and the tubing of the stethoscope. They are commonly found in either plastic or rubber. Ear Tubes or Binaural The ear tubes aka binaural, help provide a rigid structure for the user end of the stethoscope. In combination with the spring they help to hold the stethoscope in the ears during use. Tubing The tubing carries the sound waves from the chest piece to the ear pieces. Single tube...
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