JP5224298B2 - 管腔壁穿刺用オーバーチューブ - Google Patents
管腔壁穿刺用オーバーチューブ Download PDFInfo
- Publication number
- JP5224298B2 JP5224298B2 JP2010517918A JP2010517918A JP5224298B2 JP 5224298 B2 JP5224298 B2 JP 5224298B2 JP 2010517918 A JP2010517918 A JP 2010517918A JP 2010517918 A JP2010517918 A JP 2010517918A JP 5224298 B2 JP5224298 B2 JP 5224298B2
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- lumen
- overtube
- endoscope
- conduit
- 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.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/32—Devices for opening or enlarging the visual field, e.g. of a tube of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
- A61B1/00135—Oversleeves mounted on the endoscope prior to insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
手術器具を通すための内腔を有しそして管腔内に挿入可能な可撓性の導管、および該導管の遠位端にスリーブを備え、
該スリーブが、基端部と終端部とを有し、該基端部から該終端部まで延びる軸線方向の内腔を有し、そして該スリーブの内腔の径方向へ拡張可能な編み込まれたメッシュであり、
該終端部が該径方向へ最も収縮している場合に、該終端部が、管腔壁の組織を切開することなく該組織の繊維方向に沿って該組織を押し分けることが可能な先端を形成し、そして
該基端部が、該導管に接続され、そして該導管と略同等の内径を有するように該径方向に拡張されている。
12 基端部
14 終端部
20 導管
100 オーバーチューブ
200 内視鏡
Claims (4)
- 管腔壁穿刺用オーバーチューブであって、
手術器具を通すための内腔を有しそして管腔内に挿入可能な可撓性の導管、および該導管の遠位端にスリーブを備え、
該スリーブが、基端部と終端部とを有し、該基端部から該終端部まで延びる軸線方向の内腔を有し、そして該スリーブの内腔の径方向へ拡張可能な編み込まれたメッシュであり、
該終端部が該径方向へ最も収縮している場合に、該終端部が、管腔壁の組織を切開することなく該組織の繊維方向に沿って該組織を押し分けることが可能な先端を形成し、そして
該基端部が、該導管に接続され、そして該導管と略同等の内径を有するように該径方向に拡張されている、
オーバーチューブ。 - 前記スリーブが、形状記憶材料でなり、そして該形状が、前記径方向へ最も収縮した形状である、請求項1に記載のオーバーチューブ。
- 前記スリーブが、前記径方向へ最も収縮した場合に、前記終端部の該径方向の外径が2.0mm以下である、請求項1または2に記載のオーバーチューブ。
- 前記手術器具が内視鏡である、請求項1から3のいずれかの項に記載のオーバーチューブ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010517918A JP5224298B2 (ja) | 2008-06-19 | 2009-06-16 | 管腔壁穿刺用オーバーチューブ |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008160493 | 2008-06-19 | ||
JP2008160493 | 2008-06-19 | ||
PCT/JP2009/060927 WO2009154192A1 (ja) | 2008-06-19 | 2009-06-16 | 管腔壁穿刺用オーバーチューブ |
JP2010517918A JP5224298B2 (ja) | 2008-06-19 | 2009-06-16 | 管腔壁穿刺用オーバーチューブ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2009154192A1 JPWO2009154192A1 (ja) | 2011-12-01 |
JP5224298B2 true JP5224298B2 (ja) | 2013-07-03 |
Family
ID=41434108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010517918A Expired - Fee Related JP5224298B2 (ja) | 2008-06-19 | 2009-06-16 | 管腔壁穿刺用オーバーチューブ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5224298B2 (ja) |
WO (1) | WO2009154192A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104095608B (zh) * | 2014-06-16 | 2015-12-09 | 吕文奇 | 一种微创支架通道枪 |
CN110191667B (zh) | 2016-08-18 | 2022-06-03 | 海王星医疗公司 | 用于增强小肠视觉效果的装置和方法 |
WO2023225520A2 (en) * | 2022-05-16 | 2023-11-23 | Neptune Medical Inc. | External working channels for endoscopic devices |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0675404U (ja) * | 1993-04-06 | 1994-10-25 | オリンパス光学工業株式会社 | ガイド装置 |
WO1996005881A1 (en) * | 1994-08-23 | 1996-02-29 | Hammerslag Julius G | Adjustable surgical retractor |
WO2002091930A1 (en) * | 2001-05-11 | 2002-11-21 | Applied Medical Resources Corporation | Traction trocar apparatus and method |
JP2006255408A (ja) * | 2005-03-16 | 2006-09-28 | Tyco Healthcare Group Lp | トロカールシールを備える半径方向拡張可能アクセスシステム |
-
2009
- 2009-06-16 JP JP2010517918A patent/JP5224298B2/ja not_active Expired - Fee Related
- 2009-06-16 WO PCT/JP2009/060927 patent/WO2009154192A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0675404U (ja) * | 1993-04-06 | 1994-10-25 | オリンパス光学工業株式会社 | ガイド装置 |
WO1996005881A1 (en) * | 1994-08-23 | 1996-02-29 | Hammerslag Julius G | Adjustable surgical retractor |
WO2002091930A1 (en) * | 2001-05-11 | 2002-11-21 | Applied Medical Resources Corporation | Traction trocar apparatus and method |
JP2006255408A (ja) * | 2005-03-16 | 2006-09-28 | Tyco Healthcare Group Lp | トロカールシールを備える半径方向拡張可能アクセスシステム |
Also Published As
Publication number | Publication date |
---|---|
WO2009154192A1 (ja) | 2009-12-23 |
JPWO2009154192A1 (ja) | 2011-12-01 |
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