A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 9/007 (2006.01) A61B 18/12 (2006.01) A61F 9/01 (2006.01) A61F 9/013 (2006.01)
Patent
CA 2487919
A radio frequency amplifier for a system that can correct the patient's vision by reshaping the cornea by applying a proper amount of RF energy. The system includes an electrode that is connected to the output of the radio frequency amplifier and placed in contact with a cornea. The radio frequency amplifier delivers a RF current to the electrode that flows through and denatures the cornea then returns back to the radio frequency amplifier through a return electrode. The electrode can be placed in a circular pattern about the cornea to correct for a hyperopic condition. To effectively provide for vision correction the radio frequency amplifier should ideally provide power at a desired power curve. The radio frequency amplifier is calibrated to provide an actual power curve that is within +/- 10% of the desired power curve within the operating range of the procedure. This insures that the right amount of power is applied to the cornea during the specified activation time.
Bowers William J.
Goth Paul R.
Refractec Inc.
Riches Mckenzie & Herbert Llp
LandOfFree
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