A retractor exclusively used to retract the tubes in cardiac surgery which needs cardiopulmonary bypass was developed. The half-cylinder-shaped end, the lightly curved handle and the flat and triangular grip enable easy and effective grasp of the tubes. This new instrument facilitates operative procedures by effectively retracting the tubes which persistently obstruct the operative field, in such a case of placement of a retrograde cardioplegia tube via the right atrium.
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