Six patients who were scheduled for coronary bypass grafting and decision for using the radial artery. Preoperatively, harvested radial artery tested by Allen's test, modified Allen's test and duplex ultrasound. Operatively, the operation was done endoscopically via two small longitudinal forearm incisions, use of nasal spacule to elevate and retract the skin and harmonic scalpel for cutting and coagulating the branches of radial artery to achieve haemostasis. The average lengthe of the harvested radial artery ranged from 18 to 22 cm post-operatively. No complications as hand ischemia or paraesthesia were reported .