614 カテーテルの変形挙動と強度に関する研究 : 単軸引張下の粘弾性応答並びにブレードの幾何学とヤング率の関係

概要

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The catheter is known as a tubular medical instrument which is used to discharge the imputities of abdominal cavity or to inject nutrients into a body. However, the catheter is used not only for the purpose of the discharge or 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 as the material of catheter. Simultaneously, 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 catheter which is made from the nylon resin braided by a thin stainless wire. In this paper, we clarify a viscoelastic response by performing a stress relaxation and creep experiment. Moreover, we try to investigate the relation between the braid-angle and the Young's modulus.
一般社団法人日本機械学会の論文
2003-08-05