Combined microwave heating and surface cooling of the cornea

Details Combined microwave heating and surface cooling of the cornea Combined microwave heating and surface cooling of the cornea

1988-06-28

1989-11-21

Cohen, Lee S.

Surgery

Truss

Pad

128804, A61B 1736, A61N 502

Patent

active

048815438

ABSTRACT:
A non-invasive method and apparatus of reshaping the cornea to correct hyperopia, keratoconus, or myopia is described. The central stroma of the cornea is heated by microwave electromagnetic energy to the shrinkage temperature of collagen. The microwave applicator for heating stroma comprises an open-ended, coaxial antenna driven at 2450 MHz with apparatus for surface cooling of the cornea by flow of saline transverse to the antenna axis.

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