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  1. C100 医学部/医学系研究科
  2. C100b 紀要
  3. Nagoya journal of medical science
  4. 81(2)

Experimental study of coil delivery wire insertion force in intracranial aneurysm embolization : force discrepancy generated inside the microcatheter through that coil delivery wire passes

https://doi.org/10.18999/nagjms.81.2.217
https://doi.org/10.18999/nagjms.81.2.217
4401440b-fb19-47bc-9961-1e2643e07f20
名前 / ファイル ライセンス アクション
05_Shintai.pdf 05_Shintai.pdf (3.3 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2019-06-13
タイトル
タイトル Experimental study of coil delivery wire insertion force in intracranial aneurysm embolization : force discrepancy generated inside the microcatheter through that coil delivery wire passes
著者 Shintai, Kazunori

× Shintai, Kazunori

WEKO 92005

Shintai, Kazunori

Search repository
Matsubara, Noriaki

× Matsubara, Noriaki

WEKO 92006

Matsubara, Noriaki

Search repository
Izumi, Takashi

× Izumi, Takashi

WEKO 92007

Izumi, Takashi

Search repository
Miyachi, Shigeru

× Miyachi, Shigeru

WEKO 92008

Miyachi, Shigeru

Search repository
Yamada, Hiroyuki

× Yamada, Hiroyuki

WEKO 92009

Yamada, Hiroyuki

Search repository
Marui, Naoki

× Marui, Naoki

WEKO 92010

Marui, Naoki

Search repository
Wakabayashi, Toshihiko

× Wakabayashi, Toshihiko

WEKO 92011

Wakabayashi, Toshihiko

Search repository
キーワード
主題Scheme Other
主題 intracranial aneurysm
キーワード
主題Scheme Other
主題 embolization
キーワード
主題Scheme Other
主題 coil delivery wire
キーワード
主題Scheme Other
主題 microcatheter
キーワード
主題Scheme Other
主題 insertion force
抄録
内容記述 In endovascular coil embolization for intracranial aneurysms, as coils are filled in the aneurysm and the stage of procedure is advanced, the force to push forward the coil delivery wire (insertion force) increases. However, the coil insertion force that interventionist’s felt at his fingertips does not directly reflect the stress of the aneurysm and is affected by the resistance generated inside the microcatheter through that the wire passes. The authors evaluated this force discrepancy by subtracting the loading force at the tip of delivery wire from the insertion force of delivery wire and examined the relationship among them. Experiments were performed with the device that applies a constant loading force to the delivery wire tip with the coil removed. A force gauge was connected to the end-tip of the delivery wire to measure the insertion force. The force was measured by changing delivery wire in different coil brands and the conditions of microcatheter (straight or bent position). The results demonstrated that force discrepancy generated inside the microcatheter increased as the loading force increased in a linear relationship. Different coil delivery wires produced differences in the way that force discrepancy changed, thus reflecting the properties of each wire. Microcatheters with more curvature were associated with a higher force discrepancy. In conclusions, as the loading force increases, the force discrepancy increases, and it means that the coil insertion force that the interventionist feels at his fingertips also increases. This force discrepancy is impacted by the delivery wire properties and microcatheter curvature.
内容記述タイプ Abstract
出版者
出版者 Nagoya University Graduate School of Medicine, School of Medicine
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.18999/nagjms.81.2.217
ID登録タイプ JaLC
関連情報
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://www.med.nagoya-u.ac.jp/medlib/nagoya_j_med_sci/812.html
ISSN(print)
収録物識別子タイプ ISSN
収録物識別子 0027-7622
ISSN(Online)
収録物識別子タイプ ISSN
収録物識別子 2186-3326
書誌情報 Nagoya Journal of Medical Science

巻 81, 号 2, p. 217-225, 発行日 2019-05
著者版フラグ
値 publisher
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