JP2020521589A - 恒久的なドレナージフィステルを作成するためのシステム及び方法 - Google Patents
恒久的なドレナージフィステルを作成するためのシステム及び方法 Download PDFInfo
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- JP2020521589A JP2020521589A JP2019566291A JP2019566291A JP2020521589A JP 2020521589 A JP2020521589 A JP 2020521589A JP 2019566291 A JP2019566291 A JP 2019566291A JP 2019566291 A JP2019566291 A JP 2019566291A JP 2020521589 A JP2020521589 A JP 2020521589A
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- proximal
- distal
- medical device
- tissue
- body lumen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Abstract
Description
胆嚢から十二指腸に胆汁や胆石をドレナージすることによって急性胆嚢炎の症状を和らげるために、市場で入手可能なドレナージ装置(例えばAxios(登録商標),ボストンサイエンティフィック社)が配置される。そのようなドレナージ装置は、恒久的に埋込むものではないため、慢性的な胆嚢炎の標準的な治療は、胆嚢の除去となる。米国だけで一年間に約80万回の胆嚢除去手術が実施されている。
Claims (15)
- ルーメンを形成し、且つ、近位部と、遠位部と、一定の長さと、一定の直径とを備える長尺状本体であって、長尺状の管状形態と、前記近位部が近位保持部材の中に拡張し、かつ、前記遠位部が遠位保持部材の中に拡張して、間に円筒状サドル部を残す収縮時形態とを備える前記長尺状本体と、
前記円筒状サドル部の外面に沿って前記近位保持部材の遠位に配置された複数の近位組織係合要素と、
前記円筒状サドル部の外面に沿って前記遠位保持部材の近位に配置された複数の遠位組織係合要素と、
を備える医療装置。 - 前記近位組織係合要素の第1の端部は、前記円筒状サドル部の外面に取り付けられ、前記近位組織係合要素の第2の端部は、前記円筒状サドル部の外面に取り付けられることなく、前記遠位保持部材に向かって延びている、請求項1に記載の医療装置。
- 前記遠位組織係合要素の第1の端部は、前記円筒状サドル部の外面に取り付けられ、前記遠位組織係合要素の第2の端部は、前記円筒状サドル部の外面に取り付けられることなく、前記近位保持部材に向かって延びている、請求項1又は2に記載の医療装置。
- 前記近位組織係合要素と前記遠位組織係合要素の前記円筒状サドル部の外面に取り付けられていない第2の端部は、円筒状サドル部の外面の周囲に沿って昇降される、請求項3に記載の医療装置。
- 前記近位組織係合要素の前記円筒状サドル部の外面に取り付けられていない第2の端部は、第1の体管腔の組織壁を貫通するように構成され、前記遠位組織係合要素の前記円筒状サドル部の外面に取り付けられていない第2の端部は、第2の体管腔の組織壁を貫通するように構成されている、請求項3又は4に記載の医療装置。
- 前記近位保持部材の表面は、第1の体管腔の組織壁の内面に接するように構成され、前記遠位保持部材の表面は、第2の体管腔の組織壁の内面に接するように構成されている、請求項1〜5のいずれか一項に記載の医療装置。
- 前記複数の近位組織係合要素が係合した第1の体管腔の組織壁の一部は、前記円筒状サドル部に沿って前記遠位保持部材に向かって湾曲し、前記複数の遠位組織係合要素が係合した第2の体管腔の組織壁の一部は、前記円筒状サドル部に沿って前記近位保持部材に向かって湾曲して、第1の体管腔の組織壁の筋層は、第2の体管腔の組織壁の筋層に接触して配置される、請求項6に記載の医療装置。
- ルーメンを形成し、かつ、近位部と、遠位部と、一定の長さと、一定の直径とを備える長尺状本体であって、長尺状の管状形態と、前記近位部が近位保持部材の中に拡張し、かつ、前記遠位部が遠位保持部材の中に拡張して、間に円筒状サドル部を残す収縮時形態とを備える前記長尺状本体と、
前記近位保持部材内に配置された第1の磁石と、
前記遠位保持部材内に配置された第2の磁石と、
を備える医療装置。 - 前記第1の磁石と前記第2の磁石とは、前記近位保持部材と前記遠位保持部材とを互いに接近する方向に付勢する、請求項8に記載の医療装置。
- 前記近位保持部材の表面は、第1の体管腔の組織壁の内面に接触するように構成され、前記遠位保持部材の表面は、第2の体管腔の組織壁の内面に接触するように構成される、請求項8又は9に記載の医療装置。
- 前記第1の体管腔及び前記第2の体管腔の組織壁は、前記円筒状サドル部に沿って前記近位保持部材と前記遠位保持部材の間に配置される、請求項10に記載の医療装置。
- ルーメンを形成し、かつ、近位部と、遠位部と、一定の長さと、一定の直径とを備える長尺状本体であって、長尺状の管状形態と、前記近位部が近位保持部材の中に拡張し、かつ、前記遠位部が遠位保持部材の中に拡張して、間に円筒状サドル部を残す収縮時形態とを備える前記長尺状本体と、
前記長尺状本体の一部を貫通して通されて、近位端と遠位端とを互いに接近する方向に圧縮するフィラメントと、
を備える医療装置。 - 近位方向に前記フィラメントを引き寄せることにより、前記近位保持部材と前記遠位保持部材とは、互いに接近する方向に付勢される、請求項12に記載の医療装置。
- 第2の部位に隣接して前記長尺状本体に取り付けられたロック部材をさらに備える、請求項12または13に記載の医療装置。
- 前記フィラメント一部は、前記ロック部材に固定される、請求項14に記載の医療装置。
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