FLASH VAPORIZATION SURGICAL SYSTEMS
First Claim
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1. A system for treating tissue, the system comprising:
- a laser to generate a laser beam;
a controller which controls the laser in response to parameters including pulse length and pulse energy; and
a user interface connected to controller, said interface comprising a user selectable adjustment to select first and second modes;
wherein the controller adjusts the laser to operate successively in the first mode with a first set of adjustable parameters and the second mode with a second set of adjustable parameters, and wherein the controller causes dynamic transition between the first and second modes during an exposure; and
a beam delivery device coupled to the laser to deliver the laser beam to target tissue during the exposure.
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Abstract
A laser can produce pulses of light energy to eject a volume of the tissue, and the energy can be delivered to a treatment site through a waveguide, such as a fiber optic waveguide. The incident laser energy can be absorbed within a volume of the target tissue with a tissue penetration depth and pulse direction such that the propagation of the energy from the tissue volume is inhibited and such that the target tissue within the volume reaches the spinodal threshold of decomposition and ejects the volume, for example without substantial damage to tissue adjacent the ejected volume.
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Citations
35 Claims
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1. A system for treating tissue, the system comprising:
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a laser to generate a laser beam; a controller which controls the laser in response to parameters including pulse length and pulse energy; and a user interface connected to controller, said interface comprising a user selectable adjustment to select first and second modes; wherein the controller adjusts the laser to operate successively in the first mode with a first set of adjustable parameters and the second mode with a second set of adjustable parameters, and wherein the controller causes dynamic transition between the first and second modes during an exposure; and a beam delivery device coupled to the laser to deliver the laser beam to target tissue during the exposure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of treating tissue comprising:
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storing laser system parameters for first and second modes; generating a laser beam in response to the parameters and delivering the laser beam to a treatment site during an exposure; under control of a controller, running the laser during the exposure successively in the first mode with a first set of adjustable parameters and the second mode with a second set of adjustable parameters, and transitioning dynamically between the first and second modes during the exposure. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification