Fig 1.

A. Clamp construction. The device structure and its dimensions, B. Installation of the device. The mounting of the clamp is accomplished with the use of specially designed surgical forceps. The short working arms of the forceps are design to enter the inside of the clamp tubes. By applying force to the long arm of the forceps the clamp opens and can be applied on the LAA, C. Device clamped on the LAA. The outline of the heart with a clamp on the left atrial appendage, D. Clamp in the maximum extension position. The outline of the heart with a clamp prior to the installation on the left atrial appendage.