<p>Ultrasonic waveguides having improved velocity gain are disclosed for use in ultrasonic medical devices. Specifically, the ultrasonic waveguides comprises a first material having a higher acoustic impedance and a second material having a lower acoustic impedance.</p>
申请公布号
EP1959843(A1)
申请公布日期
2008.08.27
申请号
EP20060758964
申请日期
2006.04.27
申请人
KIMBERLY-CLARK WORLDWIDE, INC.
发明人
EHLERT, THOMAS, DAVID;BROMFIELD, GEORGE;MCNICHOLS, PATRICK, SEAN;STEGELMANN, NORMAN, R.
