The present invention provides a device and a method for separating particles from fluids using ultrasound, laminar flow, and stationary wave effects comprisinga micro-technology channel system with an integrated branching point or branching fork, and a single ultrasound source. One of the characteristics...http://www.google.com.au/patents/US20040069717?utm_source=gb-gplus-sharePatent US20040069717 - Device and method for separation
