G - Physics
01
N
G01N 1/28 (2006.01) B06B 1/06 (2006.01) G01N 21/03 (2006.01) G01N 21/25 (2006.01) G01N 33/49 (2006.01) G01D 3/08 (2006.01) G01L 1/16 (2006.01) G01N 33/72 (2006.01)
Patent
CA 2683030
A haemolysator (1) comprising a sonotrode plate (3) and oscillation generating elements (2) acting thereupon, wherein the oscillation generating elements (2) can be set into mechanical oscillations by an electrical AC-signal generator (10), and comprising a sample chamber (6) to which the sonotrode plate (3) transmits mechanical oscillations, has oscillation generating elements (2) which are excitable toward mechanical oscillations in a wide frequency band, preferably from 20 to 50 kHz. Preferably, the oscillation generating elements (2) are designed as piezoelectric multilayer actuators. In one embodiment, the oscillation generating elements (2) are clamped between a first and a second conductor (13, 14), with electrically conductive mats (15) being arranged at the interfaces between the at least one oscillation generating element (2) and the conductors, the mats containing particles of an electrically conductive material, in particular carbon.
Borden Ladner Gervais Llp
F. Hoffmann-La Roche Ag
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