JP6999708B2 - 内視鏡用生検キャップ - Google Patents
内視鏡用生検キャップ Download PDFInfo
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-
- 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
- A61B1/00137—End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00094—Suction openings
-
- 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
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
- A61B1/00128—Connectors, fasteners and adapters, e.g. on the endoscope handle mechanical, e.g. for tubes or pipes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
-
- 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
- A61B1/00147—Holding or positioning arrangements
- A61B1/00154—Holding or positioning arrangements using guiding arrangements for 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
- A61B1/012—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 characterised by internal passages or accessories therefor
- A61B1/018—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 characterised by internal passages or accessories therefor for receiving instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/00296—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means mounted on an endoscope
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Optics & Photonics (AREA)
- Biodiversity & Conservation Biology (AREA)
- Mechanical Engineering (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
上記の実施形態のいずれか1つに代替的にまたは追加的に、ディスクシャッター部は、内部を貫通して軸方向に延びる中心開口部を備え、複数のフィンは、長尺状部材がディスクシャッター部の中を貫通するのに応答して中心開口部から離間する方向に湾曲するように構成されているが、長尺状部材に向かって付勢されている。
上記のいずれか1つの実施形態に代替的にまたは追加的に、ブラシ部は、第1の端部と第2の端部とを有する直線状の形状として成形され、続いて、第1の端部と第2の端部とは、ブラシ部を形成するために連結される。
上記のいずれか1つの実施形態に代替的にまたは追加的に、各ブラシ層は、外側環状リングと複数のブラシのうちのいくつかを含み、ブラシはそれぞれ、外側環状リングに固定されてブラシ層の中心点に向かって延び、外側環状リングに沿って径方向に間隔をあけて配置される。
別の実施例では、内視鏡器具用生検キャップは、生検キャップを内視鏡器具のポートに固定するための固定部材を有するベース部を備え、ベース部は、生検キャップの中を貫通して延びる長尺状部材を収容する開口部を備える。外部シェルは、ベース部に固定可能であり、かつ、容積を形成し、外部シェルは、生検キャップの中を延びる長尺状部材を収容する開口部を備える。ディスクシャッター部は、前記容積内に配置され、かつ、らせん状に構成されて長尺状部材を収容するために開口部に向かって延びる複数のフィンを備える。ブラシ部は、ディスクシャッター部に隣接して前記容積内に配置され、らせん状に構成された複数のブラシを備え、複数のブラシは、長尺状部材を収容する開口部に向かって延びる。
本明細書では、明示されているかどうかにかかわらず、すべての数値は「約」という用語によって修飾されると想定されている。「約」という用語は、一般に、当業者が列挙された値と同等とみなす(すなわち、同じ機能または結果を有する)数値の範囲を指す。多くの場合、「約」という用語には、最も近い有効数字に四捨五入される複数の数字が含まれる。
本明細書および添付の特許請求の範囲で使用されるように、単数形「ひとつ(a)」、「ひとつ(an)」、および「その(the)」は、内容が明らかにそうでないことを示さない限り、複数の指示対象を含む。本明細書および添付の特許請求の範囲で使用されるように、「または(or)」という用語は、内容が明らかにそうでないことを示さない限り、「および/または(and/or)」を含む意味で一般的に使用される。
Claims (15)
- 生検キャップを内視鏡器具のポートに固定する固定部材を有するベース部と、
前記ベース部に固定可能であり、かつ、容積を画定する外側シェルと、
前記容積内に配置され、かつ、らせん状に配置された複数のフィンを含み、生検キャップ内を通過する流体の流れを少なくとも部分的に阻止するディスクシャッター部と、
前記ディスクシャッター部に隣接して前記容積内に配置されるブラシ部であって、前記ブラシ部は複数のブラシ層を含み、前記ブラシ層はそれぞれ、互いに径方向に間隔をおいて配置された複数のブラシを含み、前記ブラシ層は、前記ブラシ層の前記複数のブラシがらせん状に配置されるように積み重ねて配置されて生検キャップ内を通過する流体の流れを少なくとも部分的に阻止する、前記ブラシ部と、
を備える内視鏡器具用生検キャップ。 - 前記ディスクシャッター部は、内部を貫通して軸方向に延びる中心開口部を含み、前記複数のフィンは、長尺状部材が前記ディスクシャッター部の中を貫通するのに応答して前記中心開口部から離間するように湾曲するが、前記長尺状部材に向かって付勢されている、請求項1に記載の生検キャップ。
- 前記長尺状部材は、C字形状のチャンネルを備え、前記複数のフィンのうちの少なくともいくつかは、前記C字形状のチャンネル内に延びて、前記C字形状のチャンネルに沿って前記生検キャップ内を通過する流体の流れを少なくとも部分的に阻止する、請求項2に記載の生検キャップ。
- 前記ブラシ部は、内部を貫通して軸方向に延びる中心開口部を含み、前記複数のブラシは、前記長尺状部材が前記ブラシ部の中を貫通することに応答して前記中心開口部から離間するように湾曲するが、前記長尺状部材に向かって付勢されている、請求項1~3のいずれか一項に記載の生検キャップ。
- 前記長尺状部材はC字形状のチャンネルを備え、前記複数のブラシの少なくともいくつかは、C字形状のチャンネル内に延びて、C字形状のチャンネルに沿って生検キャップ内を通過する流体の流れを少なくとも部分的に阻止する、請求項1~4のいずれか一項に記載の生検キャップ。
- 前記ブラシ部は、相互に積み重ねられた複数のブラシ層を備え、前記ブラシ層はそれぞれ、外側環状リングを備え、
前記ブラシ層の前記複数のブラシはそれぞれ、前記外側環状リングに固定されて前記ブラシ層の中心点に向かって延び、かつ、前記外側環状リングに沿って径方向に間隔をあけて配置されており、
前記ブラシ層はそれぞれ、前記ブラシがらせん状に配置されるように、隣接するブラシ層に対して回動されて所定角度ずらした位置にある、請求項1に記載の生検キャップ。 - 前記ブラシ部は、個別に成形されて、次に、前記ブラシ部を形成するために互いに接着される複数のブラシ部の部分からなる、請求項1~5のいずれか一項に記載の生検キャップ。
- 前記ブラシ部は、第1の端部と第2の端部を有する直線状の形状に成形され、第1の端部と第2の端部は、前記ブラシ部を形成するために連結される、請求項1~5のいずれか一項に記載の生検キャップ。
- 前記ブラシ部は、互いに固定され、前記ブラシ部を形成するために、順次折り畳まれる複数のブラシ層を備える、請求項1~5のいずれか一項に記載の生検キャップ。
- 生検キャップを内視鏡器具のポートに固定するための固定部材を有するベース部と、
前記ベース部に固定可能であり、かつ、容積を画定する外側シェルと、
前記容積内に配置されたブラシ部であって、前記ブラシ部は複数のブラシ層を含み、前記ブラシ層はそれぞれ、互いに径方向に間隔をおいて配置された複数のブラシを含み、前記ブラシ層は、前記ブラシ層の前記複数のブラシがらせん状に配置されるように積み重ねて配置されて生検キャップ内を通過する流体の流れを少なくとも部分的に阻止する、前記ブラシ部と、
前記ブラシ部に隣接して前記容積内に配置されて、生検キャップ内を通過する流体の流れを少なくとも部分的に阻止する親水性のフォーム部と、
を備える内視鏡器具用生検キャップ。 - 前記容積内に配置されて螺旋状に配置された複数のフィンを含むディスクシャッター部であって、ブラシ部に隣接して配置される前記ディスクシャッター部をさらに備える、請求項10に記載の生検キャップ。
- 前記ブラシ部は、内部を貫通して軸方向に延びる中心開口部を含み、前記複数のブラシは、長尺状部材がブラシ部の中を貫通することに応答して前記中心開口部から離間するように湾曲するが、前記長尺状部材に向かって付勢されている、請求項10または11に記載の生検キャップ。
- 前記長尺状部材はC字形状のチャンネルを備え、前記複数のブラシの少なくともいくつかは、C字形状のチャンネル内に延びて、C字形状のチャンネルに沿った前記生検キャップ内を通過する流体の流れを少なくとも部分的に阻止するように構成されている、請求項10~12のいずれか一項に記載の生検キャップ。
- 前記ブラシ部は、複数の個別のブラシ層からなる、請求項10~13のいずれか一項に記載の生検キャップ。
- 内視鏡器具のポートに生検キャップを固定する固定部材を有するベース部であって、生検キャップの中を貫通して延びる長尺状部材を収容する開口部を含む前記ベース部と、
前記ベース部に固定可能であり、かつ、容積を画定する外側シェルであって、前記生検キャップの中を貫通して延びる前記長尺状部材を収容する開口部を含む前記外側シェルと、
前記容積内に配置され、かつ、らせん状に配置された複数のフィンを含むディスクシャッター部であって、前記複数のフィンは、前記長尺状部材を収容する開口部に向かって延び、かつ、生検キャップ内を通過する流体の流れを少なくとも部分的に阻止する前記ディスクシャッター部と、
前記ディスクシャッター部に隣接して容積内に配置されたブラシ部であって、前記ブラシ部は複数のブラシ層を含み、前記ブラシ層はそれぞれ、互いに径方向に間隔をおいて配置された複数のブラシを含み、前記ブラシ層は、前記ブラシ層の前記複数のブラシがらせん状に配置されるように積み重ねて配置されて生検キャップ内を通過する流体の流れを少なくとも部分的に阻止する、前記ブラシ部と、前記複数のブラシが、前記長尺状部材を収容する開口部に向かって延びることと、
からなる内視鏡器具用生検キャップ。
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US11849920B2 (en) | 2023-12-26 |
CN115813455A (zh) | 2023-03-21 |
CN110996753A (zh) | 2020-04-10 |
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WO2019033006A1 (en) | 2019-02-14 |
EP3664684B1 (en) | 2022-11-30 |
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US11064870B2 (en) | 2021-07-20 |
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