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TREPHINE DEVICE FOR REMOVING ANTERIOR EPITHELIAL CELLS FROM CORNEAL SURFACES
TREPHINE DEVICE FOR REMOVING ANTERIOR EPITHELIAL CELLS FROM CORNEAL SURFACES
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机译:用于从角膜表面去除前上皮细胞的酪氨酸装置
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摘要
A trephine device for removing anterior epithelial cells from a corneal surface, typically prior to laser excimer reshaping of a portion of the corneal surface, comprises a housing having upper and lower end portions, removal means integral to the housing, and means for activating and deactivating the removal means. The removal means may have at least one cutting surface adapted to conform substantially to the shape of the cornea, with the cutting surface contacted with the cornea at a pressure sufficient to remove the anterior epithelial cells without affecting underlying corneal tissue.
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