Pulse manipulation for controlling a phacoemulsification surgical system
View Patent ↗Methods of manipulating pulses of ultrasonic energy for use with an ophthalmic surgical device.
1. A method of generating energy for use with an ophthalmic surgical device, the ophthalmic surgical device having a handpiece for generating pulses of energy, the method comprising:
generating a group of pulses having
at least one triangular pulse that includes a first programmed substantially linear rise component and a second programmed substantially linear decay component, and
at least one pulse having an attribute that is different from the triangular pulse.
2. The method of claim 1 , wherein generating the group of pulses comprises generating pulses having sequentially different power.
3. The method of claim 2 , wherein generating the group of pulses comprises generating pulses having sequentially decreasing power.
4. The method of claim 2 , wherein generating the group of pulses comprises generating pulses having sequentially increasing power.
5. The method of claim 1 , wherein generating the group of pulses comprises generating pulses having different amplitudes.
6. The method of claim 1 , wherein generating the group of pulses comprises generating pulses having the same amplitude.
7. The method of claim 1 , wherein generating the group of pulses comprises generating pulses having different on-times.
8. The method of claim 1 , wherein generating the group of pulses comprises generating pulses having different shapes.
9. The method of claim 1 , wherein generating the group of pulses comprises generating pulses having the same shape.
10. The method of claim 1 , wherein generating the group of pulses comprises generating a group of about two to ten pulses.
11. The method of claim 1 , further comprising changing the amplitude of the pulses in response to a controller.
12. The method of claim 11 , wherein the controller is a foot pedal and changing the amplitude comprises changing the amplitude of the pulses in response to movement of the foot pedal.
13. A method of generating energy for use with an ophthalmic surgical device, the ophthalmic surgical device having a handpiece for generating pulses of energy, the method comprising:
generating a group of pulses having
at least one triangular pulse that includes a first programmed substantially linear rise component and a second programmed substantially linear decay component; and
at least one pulse that does not include a programmed substantially linear component,
wherein each pulse differs from at least one other pulse in at least one manner.
14. The method of claim 13 , wherein generating the group of pulses comprises generating pulses having sequentially different power.
15. The method of claim 14 , wherein generating the group of pulses comprises generating pulses having sequentially decreasing power.
16. The method of claim 14 , wherein generating the group of pulses comprises generating pulses having sequentially increasing power.
17. The method of claim 14 , wherein generating the group of pulses comprises generating pulses having different amplitudes.
18. The method of claim 14 , wherein generating the group of pulses comprises generating pulses having the same amplitude.
19. The method of claim 14 , wherein generating the group of pulses comprises generating pulses having different on-times.
20. The method of claim 14 , wherein generating the group of pulses comprises generating pulses having different shapes.
21. The method of claim 14 , wherein generating the group of pulses comprises generating a group of about two to ten pulses.
22. The method of claim 14 , further comprising changing the amplitude of the pulses in response to a controller.
23. The method of claim 22 , wherein the controller is a foot pedal and changing the amplitude comprises changing the amplitude of the pulses in response to movement of the foot pedal.