"If you paint a new house, you need to scrape off the old paint, " says Rabiner.

FORBES: OmniSonics' Clot Buster

Rabiner, who helped launch minimally invasive surgical devices while at American Cyanamid in the early 1990s, formed the Wilmington, Mass.

FORBES: OmniSonics' Clot Buster

To test their technology, Rabiner and Hare used it to experimentally treat prostate enlargement, where the prostate grows and compresses the urethra.

FORBES: OmniSonics' Clot Buster