DEVICE FOR MEASURING THE DIAMETER OF AN AORTIC ANNULUS

摘要

The invention relates to a device for measuring the diameter of an aortic annulus. The distal end of the device is equipped with an expandable cylindrical measuring head (1) which is designed to be introduced through the aortotomy into the outflow tract of the left ventricle of a heart, while the proximal end of the device is equipped with a means (5) for controlling and measuring the constant, adjustable measurement of the expansion of the head, said measuring head and control and measuring means being connected by a rod (4).