Surgical knife

Details Surgical knife Surgical knife

A - Human Necessities

61

B

128/113

A61B 17/32 (2006.01) A61F 9/013 (2006.01)

Patent

CA 1281961

ABSTRACT OF THE DISCLOSURE A surgical knife, especially for use by ophthalmic surgeons for performing radial keratotomy, comprises an elongate body and a head portion which receives a diamond blade and within which the blade is displaceable forwards and backwards lengthwise of the knife along a line extending at an angle of inclination to the axis of the knife body. The angle of inclination is preferably about 20°. The knife preferably incorporates a micrometer setting mechanism, adjustment of which is transmitted through the knife body to a piston located in the head portion and arranged to make contact with a knife holder for the blade. The transmission chain from micrometer to piston may include a cranked element acting on the piston.

515042

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