Abstract

The patient's load is requested from reduction minimally invasion on a clinical site. This study has aimed at the development of the Self-propelled catheter thought that the examination in the blood vessel and the removal of the tumor, etc...As the drive system for the catheter, the expansion of the balloon by the force feed of the physiologic saline and the peristalsis movement mechanism using shrinkage were designed and produced. In this study, we developed two type self-propelled catheters, and examine the effectiveness of these catheters experimentally. From several experiments, availability of these catheters is confirmed.

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