Introducing the ETF128 electronic tuning fork!


Introducing the first medical-grade 128hz electronic tuning fork

Welcome to O’Brien Medical

Design Through Experience

O’Brien Medical, LLC was founded by Todd O’Brien, DPM in 1999. Dr. O’Brien’s 25 years as a surgeon/inventor serves as the foundation for his medical product designs. Several of these products are currently being marketed in North America and Europe.


O’Brien Medical introduces the ETF128, an exciting new instrument for the neurodiagnostics market. The ETF128   is now commercially available after a five year development and testing process. This innovative product is ideally positioned to serve as our core offering as the company transitions from licensing entity to device manufacturer.

Learn more about the ETF¹²⁸