Minimally Invasive Beating Heart Coronary Anastamosis Training Kit
Jacob Jamesraj1, Benjamin Ninan1, Srikesavan S1, Sheba S K Jacob2.
1The Madras Medical Mission, Chennai, India, 2Apollo Hospitals, Chennai, India.
OBJECTIVE: Training platforms for coronary anastamosis abound. However simulating the beating heart in the wet lab has been a challenge. We aimed to design a beating heart anastamosis training kit with the challenges of a limited access milieu.
METHODS: A steel framework simulating a chest with an opened out chest spreader is made. A steel plate with a limited opening to limit access is fitted onto the top with facility to alter the position. A suction stabilizer is mounted on the steel framework and a motor is used to move the arm of the stabilizer to simulate cardiac action. The stabilizer can be moved into any position to simulate the desired coronary artery position. The porcine or bovine heart or a portion of the bovine myocardium with coronary of appropriate size can be attached to the stabilizer. Turning on the motor moves the stabilizer arm up and down simulating cardiac action. A rheostat is used to vary the speed of the motor. Omental vessels harvested prior are used as conduits and the anastamosis is performed on a ‘beating’ heart through the limited access.
RESULTS: The Minimally Invasive Beating Heart Coronary Anastamosis Training kit is thus made.
CONCLUSIONS: This model enables one to get used to the limited access, working angles and the movements of the heart.
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