315 カテーテルの変形挙動と強度に関する研究 : 単軸下での応力緩和現象とブレードの効果

概要

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The catheter is known as a tubular medical instrument which is used to discharge the impurities of abdominal cavity or to inject nutrients into a body. Recently, however, the catheter is used not only for the purpose of the discharge or the injection alone but also for the removal of the imperforation in the blood vessel without receiving a large damage by surgical operations. Therefore, a soft characteristic is necessary for the material of the catheter so as to reduce the damage in the vascular wall. Simultaneously, in the case of the operation such as the myocardial infarction, the responsiveness and the operationality are required in order to carry out the remote operation smoothly. The purpose of this study is to investigate the deformational behavior and strength of the catheter made of the nylon resin braid by a thin stainless wire. And, we reveal how the braid has effects on the reinforcement and the responsiveness under uniaxial tensile tests.
一般社団法人日本機械学会の論文
2002-09-20