604 Development of Appliances for Open Heart Operation
Details
Operations such as valve substitution and coronary-artery bypass surgery have been performed for patients having trouble in their hearts. It is said that open heart operations for such cases of disease exceed 40,000 in Japan. Rib spreaders, operation tools, are used for spreading patient's chest ribs right and left and holding. Several type of conventional rib spreader involve many problems to be improved from the practical point of view. In this report, new type rib spreaders with the aim of reducing patient's physical load, the number of doctor and time required for operation are presented. In addition to tools, the new type of bone fixation device developed is introduced here.
