カテーテル手術用外径1mm把持鉗子の構造解析と試作検証

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タイトル別名
  • Architectural Analyses and Developments of 1 mm Diameter Micro Forceps for Catheter Surgery
  • カテーテル シュジュツヨウ ガイケイ 1mm ハジ カンシ ノ コウゾウ カイセキ ト シサク ケンショウ

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Blockage in a blood vessel due to cardiovascular disease such as arteriosclerosis or aneurysms requires minimally invasive placement of a mesh tube or platinum coil stent via a catheter to open the affected area. Stents are positioned using a guide wire via a catheter, but the stent may be dropped on the way to its destination and requires much time in surgery, increasing the burden on the patient. Medical apparatuses are thus desired having a mechanism to grasp artifacts securely in blood vessels. We designed prototype microforceps for use on the end of a catheter for grasping operation in blood vessels and to contribute to medical apparatuses in this field. The microforceps we designed using a minimum number of parts uses metal injection molding (MIM) to realize strong mass production. Microforceps installed in the tip of a catheter. Stress analysis verified its capability to grasp, bend and turn within the confines of a blood vessels model. <br>

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