JP2022541666A - 創傷を閉鎖するための装置 - Google Patents
創傷を閉鎖するための装置 Download PDFInfo
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- JP2022541666A JP2022541666A JP2022505410A JP2022505410A JP2022541666A JP 2022541666 A JP2022541666 A JP 2022541666A JP 2022505410 A JP2022505410 A JP 2022505410A JP 2022505410 A JP2022505410 A JP 2022505410A JP 2022541666 A JP2022541666 A JP 2022541666A
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- closure element
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Abstract
Description
血管内処置、消化管、尿管、呼吸器管、生殖管および/または胆管に沿った処置、胸腔処置等を含む多くの医療処置は、体内での除去を目的とする組織(例えば、「標的組織」)にアクセスするために医療装置を利用する。例えば、現在の一部の医療処置(EMRおよびESD)では、医師は、内視鏡、結腸鏡、十二指腸内視鏡、気管支鏡、胃鏡、または同様の医療装置を利用して、罹患した病変部にアクセスしてそれを除去し、組織に創傷または欠損を生じさせ得る。本明細書で使用される「創傷」は、医療専門家が密封、治癒、止血、結紮等のために閉鎖したいと考える、欠陥、損傷、出血、潰瘍、管腔開口部、または同様の解剖学的構造を含み得る。いくつかの例では、内視鏡は、医師が創傷閉鎖処置を視覚化および実行するのを支援する特徴を組み込み得る。例えば、一部の内視鏡は、内視鏡がナビゲートされて標的組織部位に隣接して配置されるときに体管腔を照明および/または視覚化するように設計された光および/またはカメラを含み得る。追加的に、一部の内視鏡はまた、切除装置、把持部材、または他の付属装置が内視鏡の中を通って配備および利用され得るルーメン(例えば、ワーキングチャネル)を含み得る。例えば蛍光透視法等の、追加の視覚化、および/または、外部内部画像化方法および/または内部画像化方法が、代替的または追加的に採用され得る。
Claims (15)
- 送達構成および配備構成を有し、前記送達構成において内視鏡のエンドキャップの周りに配置されるように構成されている閉鎖要素と、
前記閉鎖要素に離脱可能に結合された遠位端と、前記エンドキャップ内に延びる近位端とを有する離脱フィラメントと、
を備え、
前記閉鎖要素は、前記配備構成において創傷の周りで閉鎖するように構成されている、
創傷を閉鎖するための装置。 - 前記内視鏡の端部の周りにおける前記送達構成で、それぞれ別個にかつ離脱可能に前記離脱フィラメントに結合される複数の前記閉鎖要素をさらに備える、請求項1に記載の装置。
- 前記閉鎖要素の前記配備構成は形状記憶構成である、請求項1または2に記載の装置。
- 前記閉鎖要素の前記形状記憶構成は、コイル、結び目、トーラス、またはそれらの組み合わせである、請求項3に記載の装置。
- 前記閉鎖要素は、両末端間の長さに沿って延び、且つ前記閉鎖要素の各末端にて組織穿刺突起をさらに備えており、前記組織穿刺突起はフック、タイン、逆棘、またはそれらの組み合わせである、請求項1~4のいずれか一項に記載の装置。
- 前記閉鎖要素の前記形状記憶構成は、刺激によって活性化され、前記刺激は、光活性化、熱活性化、もしくは電気活性化、またはそれらの組み合わせを備える、請求項3に記載の装置。
- 前記離脱フィラメントの前記遠位端はループを備える、請求項1~6のいずれか一項に記載の装置。
- 前記ループは、前記閉鎖要素のコイルの周りに配置されている、請求項7に記載の装置。
- 前記ループは、前記閉鎖要素の長さの周りに配置される、請求項7に記載の装置。
- 前記離脱フィラメントは、前記閉鎖要素の引張強度よりも大きい引張強度を有する、請求項1~9のいずれか一項に記載の装置。
- 長尺状非活性化構成および活性化構成を有する閉鎖要素
を備え、
前記長尺状非活性化構成の前記閉鎖要素は、創傷に対向する組織の縁に挿入されるように構成されており、
前記活性化構成の前記閉鎖要素は、前記組織の縁を近接させて、前記創傷の少なくとも一部を閉鎖するように構成されている、
創傷を閉鎖するための装置。 - 前記閉鎖要素は、前記閉鎖要素の長さに沿って、複数の隣接する光活性化形状記憶部分の間に散在された複数の生分解性部分を備える、請求項9に記載の装置。
- 前記生分解性部分は、前記閉鎖要素の前記長さに沿って、隣接する光活性化形状記憶部分と少なくとも部分的に混合されている、請求項12に記載の装置。
- 前記閉鎖要素は、前記活性化構成において互いに向かってカールするように構成されている第1、第2の末端を備える、請求項11~13のいずれか一項に記載の装置。
- 前記閉鎖要素の前記活性化構成は、光活性化形状記憶構成である、請求項11~14のいずれか一項に記載の装置。
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PCT/US2020/043171 WO2021021536A1 (en) | 2019-07-26 | 2020-07-23 | Device for closing a wound |
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EP (1) | EP3941365A1 (ja) |
JP (1) | JP2022541666A (ja) |
KR (1) | KR20220040467A (ja) |
CN (1) | CN114144122A (ja) |
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US20220240934A1 (en) * | 2021-02-04 | 2022-08-04 | Olympus Medical Systems Corp. | Methods for closing a wound |
EP4280977A1 (en) * | 2021-07-30 | 2023-11-29 | Boston Scientific Medical Device Limited | Repositionable over the scope clip |
WO2023022811A1 (en) * | 2021-08-17 | 2023-02-23 | Boston Scientific Medical Device Limited | Over the scope clip with compliant mechanism |
US20230404609A1 (en) * | 2022-05-20 | 2023-12-21 | Virender K. Sharma | Systems and Methods for Duodenal Mucosal Resection |
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AU2020323883A1 (en) | 2021-11-18 |
WO2021021536A1 (en) | 2021-02-04 |
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AU2020323883B2 (en) | 2023-02-23 |
US20210022740A1 (en) | 2021-01-28 |
KR20220040467A (ko) | 2022-03-30 |
CA3138281A1 (en) | 2021-02-04 |
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