Lavage system with variable frequency, flow rate and pressure
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United States of America Patent
Stats
-
Apr 7, 1987
Grant Date -
N/A
app pub date -
Dec 1, 1982
filing date -
Dec 1, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanism, such as a motor driving a pump, creates a pulsating fluid flow. There is a control for varying the pulsation frequency independently of the fluid pressure or rate of flow. Another control varies the pressure or rate of fluid flow independently of the frequency of pulsation. Separate pulsatile lavage, irrigation, and aspiration functions are provided. In another aspect, the mechanism for producing the pulsating flow includes a fluid driving means, such as a reciprocating pump, and there is a means for varying the length of stroke of the driving means.
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