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Fundamental study on ureterolith formation in ureter stent

Research Project

Project/Area Number 24560211
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Fluid engineering
Research InstitutionKanazawa Institute of Technology

Principal Investigator

SUGIMOTO Yasuhiro  金沢工業大学, 工学部, 准教授 (00319039)

Co-Investigator(Renkei-kenkyūsha) MORIYAMA Manabu  金沢医科大学, 氷見市民病院, 教授 (50278131)
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords尿管結石 / 尿管ステント / 結石破砕 / 医工連系 / 医工連携 / 結石形成
Outline of Final Research Achievements

We designed and produce an equipment for an ureterolith test using a real or model ureter stent and estimated effect of small pores geometry of the stent on ureterolith formation in comparison with CFD analysis of flow in the stents. As a result, it was found that somewhat difference was confirmed in ureterolith formation though a flow field in the stent was independent on the pore shapes in such low Reynold’s number condition.
We also estimated behavior of a laser induced bubble for a laser lithotripsy. A bubble induced by a fiber-laser near a solid wall was observed by a high speed video camera under various laser irradiation conditions. As a result, characteristic bubble collapse behaviors and impacts toward a solid wall were obtained.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (10 results)

All 2015 2014 2013 2012 Other

All Presentation (10 results)

  • [Presentation] Holmium:YAGレーザの気泡崩壊挙動および衝撃分布の検討2015

    • Author(s)
      森山学 杉本康弘 山西由哲
    • Organizer
      第103回日本泌尿器科学会総会
    • Place of Presentation
      金沢都ホテル(金沢市)
    • Year and Date
      2015-04-18 – 2015-04-21
    • Related Report
      2014 Annual Research Report
  • [Presentation] Ho:YAGファイバレーザ誘起気泡の壁面近傍における崩壊挙動に対するレーザ照射条件の影響2015

    • Author(s)
      山西由哲 杉本康弘 佐藤恵一 森山学
    • Organizer
      日本機械学会北陸信越支部 第52期総会・講演会
    • Place of Presentation
      新潟工科大学(新潟県柏崎市)
    • Year and Date
      2015-03-07
    • Related Report
      2014 Annual Research Report
  • [Presentation] Holmium:YAG LASERによる尿路結石破砕効率に関する検討2015

    • Author(s)
      森山学 杉本康弘
    • Organizer
      第6回医工連携フォーラム
    • Place of Presentation
      金沢工業大学(石川県野々市市)
    • Year and Date
      2015-02-21
    • Related Report
      2014 Annual Research Report
  • [Presentation] Ho:YAGファイバレーザ誘起気泡の壁面近傍の挙動と衝撃2014

    • Author(s)
      山西由哲 杉本康弘 佐藤恵一 森山学
    • Organizer
      日本学術会議キャビテーションに関するシンポジウム(第17回)
    • Place of Presentation
      東京大学(東京都)
    • Year and Date
      2014-11-20 – 2014-11-21
    • Related Report
      2014 Annual Research Report
  • [Presentation] Holmium:YAG LASERによる衝撃波照射効率に関する検討2014

    • Author(s)
      森山学 杉本康弘
    • Organizer
      日本尿路結石症学会第24回学術集会
    • Place of Presentation
      阿倍野ハルカス(大阪市)
    • Year and Date
      2014-08-29 – 2014-08-30
    • Related Report
      2014 Annual Research Report
  • [Presentation] Observation of particle flocculation behavior in solid - liquid separation using ultrasound waves2013

    • Author(s)
      Sugimoto, Y. and Sato, K.,
    • Organizer
      12th Asian Symposium on Visualization
    • Place of Presentation
      台湾,台南市
    • Related Report
      2013 Research-status Report
  • [Presentation] Micro-scale observations for cleaning mechanism using ultrasonic microbubbles2012

    • Author(s)
      Yasuhiro Sugimoto and Keiichi Sato
    • Organizer
      8th International Symposium on Cavitation
    • Place of Presentation
      シンガポール
    • Related Report
      2012 Research-status Report
  • [Presentation] 壁面近傍の超音波微細気泡の挙動と壁面洗浄様相の観察2012

    • Author(s)
      杉本康弘、太田慎一郎、田口裕太、佐藤恵一
    • Organizer
      日本混相流学会年会講演会2012
    • Place of Presentation
      東京大学柏キャンパス
    • Related Report
      2012 Research-status Report
  • [Presentation] 尿管ステントに設けられた小孔形状がステント内流れに及ぼす影響と結石形成

    • Author(s)
      竹井駿太郎, 板井洋介,杉本康弘,佐藤恵一,新井山一樹
    • Organizer
      日本機械学会 北陸信越支部 第43回学生員卒業研究発表講演会
    • Place of Presentation
      富山大学
    • Related Report
      2013 Research-status Report
  • [Presentation] 尿管ステントに設けられた孔まわりの流動解析

    • Author(s)
      杉本康弘
    • Organizer
      第4回医工連携フォーラム
    • Place of Presentation
      金沢工業大学
    • Related Report
      2012 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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