IS 4790 : 1989 Eye Surgery Instruments - Knife, Corneal Splitting, Langs and Tookes Pattern (Modified) - Specification

1 Scope

1.1 This standard covers the dimensional and other requirementsfor corneal splitting knife, Langs and Tookes pattern (modified)used in eye surgery.

2 References

IS 2102 : Part 1 :1980 General tolerances for dimensions and formandposition:Part 1 General tolerances for linear andangular dimensions

IS 3318 :1965General requirements for surgical scalpels andknives

IS 4827 :1983Electroplated coatings of nickel and chromiumon copper and copper alloys

IS 7531 :1975Method for boiling and autoclaving test forcorrosion resistance of stainless steelsurgical instruments