From flintstone to diamond blade: a new multifunctional instrument for use in coronary surgery

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Abstract
We report on the development and clinical application of a diamondsurgical knife specially designed for the preparation, initial incision,and bidirectional enlargement of coronary arteries. The ergonomic design ofthe knife enables the performance of all the necessary steps in a coronaryincision with a single instrument and obviates the need for differentshaped knives and scissors during preparation. The lasting sharpness of thediamond blade results in a far cleaner, less traumatic, cutting edge as canbe demonstrated by scanning electron micrographs of incised coronary wallsafter the use of various types of coronary knives and scissors.

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