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    • 10. 发明专利
    • Medical needle and medical device
    • 医用针和医疗器械
    • JP2010099501A
    • 2010-05-06
    • JP2010003029
    • 2010-01-08
    • Lightnix Inc株式会社ライトニックス
    • FUKUDA MITSUOAOYANAGI SEIJI
    • A61M5/32A61B5/15A61B5/151A61B17/32A61M5/158A61M5/42
    • A61B5/1411A61B5/150022A61B5/150099A61B5/150106A61B5/150229A61B5/150282A61B5/150396A61B5/150404A61B5/150412A61B5/150419A61B5/150427A61B5/150458A61B5/150503A61B5/150511A61M5/3286A61M5/422
    • PROBLEM TO BE SOLVED: To provide a medical device using a medical needle which reduces pain to the patient and minimizes damage to the pierced portion of the patient. SOLUTION: The medical needle is formed of any biocompatible materials including polymer macromolecule, bio-macromolecule, protein, and biocompatible inorganic material, and extends along a predetermined direction from a needle tip to the rear end portion, and has a vertical cross-section taken along a plane perpendicular to the predetermined direction of which cross-sectional area regularly varies based upon a distance from the needle tip. The medical needle includes a plurality of maximal points where the cross-sectional area of the vertical cross-section is maximal, and at least one minimal point where the cross-sectional area of the vertical cross-section is minimal. The vertical cross-section at the maximal point closest to the needle tip has the cross-sectional area not less than those at any other maximal points. The vertical cross-section has a hexagon shape. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种使用医用针的医疗装置,其减少对患者的疼痛并使对患者的刺穿部分的损伤最小化。 解决方案:医用针由包括聚合物高分子,生物大分子,蛋白质和生物相容性无机材料的任何生物相容性材料形成,并且沿预定方向从针尖延伸到后端部,并且具有垂直十字 该截面沿着垂直于该预定方向的平面截取,该预定方向的横截面积基于距离针尖的距离而规则地变化。 医疗针包括垂直横截面的横截面面积最大的多个最大点以及垂直横截面的横截面积最小的至少一个最小点。 最靠近针尖的最大点的垂直截面的横截面积不小于任何其他最大点处的截面面积。 垂直横截面为六边形。 版权所有(C)2010,JPO&INPIT