Sub-nanosecond laser cataract surgery system
AssigneeOptimedica Corporation
InventorAlexander Vankov
Life of this patent
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Abstract
Systems and methods for fragmenting a lens by a laser cataract surgery system includes a sub-nanosecond laser source generating a treatment beam that includes a plurality of laser beam pulses. An optical delivery system is coupled to the sub-nanosecond laser source to receive and direct the treatment beam. A processor is coupled to the sub-nanosecond laser source and the optical delivery system. The processor includes a tangible non-volatile computer readable medium comprising instructions to determine a lens cut pattern for lens fragmentation and determine a plurality of energies of the treatment beam as a linear function of a depth of the lens cut pattern. The treatment beam is output according to the lens cut pattern and the determined energies.
Claims20
A laser cataract surgery system, comprising:
- a sub-nanosecond laser source generating a treatment beam that includes a plurality of laser beam pulses;
- an optical delivery system coupled to the sub-nanosecond laser source to receive and direct the treatment beam;
- and,
- a processor coupled to the sub-nanosecond laser source and the optical delivery system, the processor comprising a tangible non-volatile computer readable medium comprising instructions to:
- determine a lens cut pattern for lens fragmentation;
- determine a plurality of energies of the treatment beam as a linear function of a depth of the lens cut pattern;
- and
- output the treatment beam according to the lens cut pattern and the determined energies.
The laser cataract system of claim 6, wherein the sub-nanosecond laser generates a 150 picosecond treatment beam.
A method of fragmenting a lens, comprising:
- generating a treatment beam that includes a plurality of laser beam pulses by a sub-nanosecond laser source;
- determining a lens cut pattern for lens fragmentation;
- determining a plurality of energies of the treatment beam as a linear function of a depth of the lens cut pattern;
- and
- outputting the treatment beam according to the lens cut pattern and the determined energies.
A laser cataract surgery system, comprising:
- a sub-nanosecond laser source generating a treatment beam that includes a plurality of laser beam pulses;
- an optical delivery system coupled to the sub-nanosecond laser source to receive and direct the treatment beam;
- and,
- a processor coupled to the sub-nanosecond laser source and the optical delivery system, the processor comprising a tangible non-volatile computer readable medium comprising instructions to:
- determine a lens cut pattern from a posterior to an anterior of the lens for lens fragmentation;
- scale a plurality of energies of the treatment beam as a function of a depth of the lens cut pattern to maintain a bubble volume formed by the treatment beam;
- and
- output the treatment beam according to the lens cut pattern and the determined energies.
Dependencies are inferred from the claim text.