Patent ID: 11944374
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A system for removing a thrombus, the system comprising:
an interventional element configured to engage and retrieve the thrombus within a blood vessel; and
a signal generator in electrical communication with the interventional element, the signal generator configured to provide a voltage having a magnitude within a range from 2 volts to 28 volts, the signal generator further configured to deliver an electrical signal to the interventional element,
wherein the electrical signal includes a waveform having:
a positive phase having a peak positive current and a first duration, and
a negative phase having a peak negative current and a second duration,
wherein a magnitude of the peak positive current is greater than a magnitude of the peak negative current, and the first duration is greater than the second duration.