CYCLIC ASPIRATION SYSTEM PRODUCING A CYCLIC ASPIRATION PRESSURE WAVEFORM USING A VACUUM PUMP AND POSITIVE PRESSURE PULSE GENERATOR MECHANISM

摘要

Cyclic aspiration system producing an associated cyclic pressurized waveform of intermittent cyclic intervals of vacuum pressure below atmospheric pressure and a positive pressure higher than the vacuum pressure. The system including a vacuum pump generating vacuum pressure, a conduit connected in fluid communication to the vacuum pump, and an aspiration catheter connected in fluid communication to the conduit. Associated with the conduit is a positive pressure pulse generator mechanism that controls via a vacuum pressure gating device passage therethrough the conduit of the vacuum pressure generated by the vacuum pump and intermittently cyclically produces a positive pressure pulse.