Title :
In-vitro study of mechanical heart valve sound loudness as measured by ISO-532/B
Author :
Erickson, Richard ; Thulin, Lars ; Richard, Gerald
Author_Institution :
CarboMedics Inc., Austin, TX, USA
Abstract :
A special test chamber and measurement procedure was developed for in-vitro study of heart valve sound loudness. Loudness is measured with ISO-532/B (Zwicker method). An initial study was performed on eight different models of size 25 aortic mechanical valves
Keywords :
acoustic intensity measurement; loudness; prosthetics; ISO-532/B; Zwicker method; aortic mechanical valves; in-vitro study; measurement procedure; mechanical heart valve sound loudness; test chamber; Acoustic noise; Acoustic pulses; Acoustic testing; Cardiology; Heart valves; In vitro; Mechanical variables measurement; Noise measurement; Prosthetics; Working environment noise;
Conference_Titel :
Computer-Based Medical Systems, 1994., Proceedings 1994 IEEE Seventh Symposium on
Conference_Location :
Winston-Salem, NC
Print_ISBN :
0-8186-6256-5
DOI :
10.1109/CBMS.1994.315986
