发明名称 |
HEART VALVE TESTING APPARATUS AND METHODS |
摘要 |
<p>Methods and apparatus for accelerated wear testing of prosthetic heart valves apply non-sinusoidal pressure waveforms. The waveforms may maintain a threshold reverse pressure for a desired duration while limiting a peak reverse pressure. Apparatus may include a fluid impeller such as a bellows or a piston driven by an actuator having a position controlled by a motion control system. The apparatus may include a pressure control system comprising one or more bypass channels and bypass valves controlling a resistance of the bypass channels to fluid flow. The bypass valves may be controlled in real time.</p> |
申请公布号 |
WO2014000105(A1) |
申请公布日期 |
2014.01.03 |
申请号 |
WO2013CA50496 |
申请日期 |
2013.06.25 |
申请人 |
VIVITRO LABS INC. |
发明人 |
HODSON, TED;KARRI, SATYAPRAKASH;PHILLIPS, SCOTT |
分类号 |
G01M99/00;A61F2/24 |
主分类号 |
G01M99/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|