ECHO Stethoscope. Very First Retractable Stethoscope

Retractable Stethoscope

An innovative change to the design of the stethoscope in 165 years.



Retrabtable Stethoscope

ECHO Stethoscope

Blog posts

Functionality and Sound Quality

Functionality and Sound Quality

Hello All, Last week we meet up some two promising sound technicians, Doug and Jon, to see if they can help up to improve the functionality and sou...
Finish Line!!!!!!

Finish Line!!!!!!

Hello ECHO Community, We are working to finalize the CAD (Computer Aided Draft) designs to complete the first working prototype of the ECHO Retract...

ECHO Stethoscope Journey

  Hello fellow peers, My name is Mark V. Gross and I am the inventor of the ECHO Stethoscope, the world's first retractable stethoscope.  First, I ...

Future Developments

We are starting to take Pre Orders on our ECHO Plastic models to gauge how many we will need to make for our first order. 

As of right now we are improving the sound quality and just making minor adjustments to the ECHO Stethoscope.  I have found a modern design and an easy compact way to carry the ECHO Stethoscope.  If any of you have any suggestions or recommendations please feel free to leave a message in the blog post or email Mark at  We hope to have this first  order out very soon.


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