This article describes the history of the development and application of biological heart valve prostheses, their advantages and disadvantages. The design of the aortic valve prosthesis developed by the Science and Technology Park of BNTU "Polytechnic" is described, the results of experimental studies are presented.

This article describes the methods of treatment of aortic aneurysms and their advantages and disadvantages. The article also provides methods for their treatment at the current time. The reasons for developing their own samples of stent grafts of the thoracic aorta and the global trend in the demand for the treatment of aortic aneurysms are shown.