JP5977911B1 - 内視鏡 - Google Patents
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- JP5977911B1 JP5977911B1 JP2016522825A JP2016522825A JP5977911B1 JP 5977911 B1 JP5977911 B1 JP 5977911B1 JP 2016522825 A JP2016522825 A JP 2016522825A JP 2016522825 A JP2016522825 A JP 2016522825A JP 5977911 B1 JP5977911 B1 JP 5977911B1
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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
- A61B1/06—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 with illuminating arrangements
- A61B1/07—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 with illuminating arrangements using light-conductive means, e.g. optical fibres
-
- 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
- A61B1/00002—Operational features of endoscopes
- A61B1/00057—Operational features of endoscopes provided with means for testing or calibration
-
- 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
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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
- A61B1/00064—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
- A61B1/00096—Optical elements
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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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00105—Constructional details of the endoscope body characterised by modular construction
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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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/0011—Manufacturing of endoscope parts
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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
- A61B1/00112—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
- 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
- A61B1/00142—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 with means for preventing contamination, e.g. by using a sanitary sheath
-
- 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
- A61B1/00163—Optical arrangements
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
- A61B1/00167—Details of optical fibre bundles, e.g. shape or fibre distribution
-
- 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
- A61B1/00163—Optical arrangements
- A61B1/00195—Optical arrangements with eyepieces
-
- 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
- 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
- A61B1/06—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 with illuminating arrangements
-
- 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
- A61B1/06—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 with illuminating arrangements
- A61B1/0607—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 with illuminating arrangements for annular illumination
-
- 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
- A61B1/307—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 the urinary organs, e.g. urethroscopes, cystoscopes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2461—Illumination
- G02B23/2469—Illumination using optical fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
- G02B23/243—Objectives for endoscopes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Radiology & Medical Imaging (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Urology & Nephrology (AREA)
- Mechanical Engineering (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Abstract
Description
発光源から出射された照明光は、内視鏡に設けられたライトガイドファイバによって伝送され、挿入部先端に設けられた照明窓を通過して観察対象を照明する。
しかしながら、日本国特開2009−207529号公報の内視鏡において、ライトガイドファイバが観察光学系を囲むように円環状に配置される。このため、観察光学系を囲むライトガイドファイバは、挿入部の外径を太径にする要因に成り得る。また、ライトガイドファイバの先端を防止部に突き当っていることにより、ファイバ先端から照射された照明光の一部がレンズ系を通さずに直接先端部内に侵入して光学性能に悪影響を及ぼすおそれがある。
なお、以下の説明に用いる各図において、各構成要素を図面上で認識可能な程度の大きさとするため、構成要素毎に縮尺を異ならせてあるものもある。また、本発明は、これらの図に記載された構成要素の数量、構成要素の形状、構成要素の大きさの比率、及び各構成要素の相対的な位置関係のみに限定されるものではない。
符号14は、ユニバーサルコードであり、ユニバーサルコード14の接続コネクタ14cは、操作部12の側部に設けられたライトガイド接続口(不図示)に着脱自在である。 挿入部11は、先端側から順に、硬質な先端部15、上下方向に湾曲するように構成され湾曲部16、及び可撓性を備えたチューブ体である可撓管部17を連設して構成されている。
符号54は、CCD、C−MOS等の個体撮像素子49の保護ガラスであって、保護ガラス54の先端面は、カバーガラス48に透明な接着剤で接着固定され、保護ガラス54の基端面は個体撮像素子49の撮像面側に透明な接着剤で接着固定されている。
なお、照明窓部を2つ以上設ける構成、或いは、1つだけ設ける構成であってもよい。 第1照明窓部35は、後述する第1ファイバ61の照射平面である第1の平面61fに対応して設けられており、第2照明窓部36は後述する第2ファイバ62の照射平面である第1の平面62fに対応して設けられている。符号70は、後述するパイプである。
図3、図5(B)に示すように第1ファイバ61の先端部分61p及び第2ファイバ62の先端部分62pは、複数本の素線を束ね配光性を考慮して予め定めた形状に形作られており、例えば両端部を構成する半円部と、半円部の間に位置する長方形形状部と、を有する、長円形状である。
これに対して、第2面73bは、パイプ70の最先端を構成する突端部に設けられ、貫通孔71の中心軸71aに直交する平面である。
なお、第1止まり穴33と第2止まり穴34との構成は同様である。このため、図4、図6(A)を参照して第2止まり穴34の構成を説明して、第1止まり穴33の説明は省略する。
パイプ配設穴38には規定面38f1及び当接面38f2が予め定めた位置に形成されている。規定面38f1は、パイプ70の配置位置及び向きを規定する。当接面38f2は、規定面38f1の先端位置に設けられ、第4軸34a方向の配置位置を規定する。
なお、第1面73aは、第1面当接面38f3の稜線に当接するように形成されている。
そして、第1樹脂部材と第2樹脂部材とは別体な構成、或いは、二色成形による一体な構成のどちらであってもよい。
この構成において、止り穴33、34は、先端カバー部材と金属製の先端構成部材とに設けられ、先端カバー部材側の止まり穴33、34に凹部37及び当接面38f2が設けられる。
Claims (8)
- 複数本のファイバ素線を束ねて予め定めた形状に形成され、長手軸に対して90度未満の角度で傾いて形成された照明光を出射する第1の平面を先端部に設けたライトガイドファイバと、
前記ライトガイドファイバの先端部側が固設される貫通孔を有し、先端面には前記第1の平面と同一な平面に成り得る第1面を有するパイプと、
前記パイプの先端側の端部が配置されるパイプ配設穴及び予め定めた配光を得るための照射レンズ系を構成する凹部を有する照明光学系用の底付き穴を設けた先端部材と、
を具備することを特徴とする内視鏡。 - 前記パイプは、前記貫通孔の中心軸に直交する平面である第2面を有し、
前記パイプ配設穴は、前記パイプの第2面の少なくとも一部が当接する当接面を有する、
ことを特徴とする請求項1に記載の内視鏡。 - 前記凹部は、前記パイプ配設穴の当接面より先端側に位置する前記底付き穴の底面であることを特徴とする請求項2に記載の内視鏡。
- 前記先端部材は、先端カバー部材であって少なくとも
撮像光学部を配置するための撮像光学系挿通孔と、
前記撮像光学系挿通孔に対して予め定めた位置に配置される少なくとも1つの照明光学系用の底付き穴と、
を有することを特徴とする請求項3に記載の内視鏡。 - 前記パイプの第2面は、前記第1面の突端部に形成されていることを特徴とする請求項2に記載の内視鏡。
- 前記パイプは、外周面に前記貫通孔の中心軸に沿って設けられた少なくとも一つの平面を有し、
前記パイプ配設穴は、前記照明レンズ系に対する第1面の向きを規定する、前記パイプの平面が当接する平面である規定面を有することを特徴とする請求項2に記載の内視鏡。 - 前記凹部の周縁部の開口は、前記パイプの貫通孔内に配設されたファイバの外形より大きく、該パイプの外形より小さく設定されることを特徴とする請求項1に記載の内視鏡。
- 前記凹部の周縁部の開口の領域は、前記ライトガイドファイバの第1の平面における光の照射領域よりも広いことを特徴とする請求項1に記載の内視鏡。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015014664 | 2015-01-28 | ||
JP2015014664 | 2015-01-28 | ||
PCT/JP2015/076155 WO2016121160A1 (ja) | 2015-01-28 | 2015-09-15 | 内視鏡 |
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JP5977911B1 true JP5977911B1 (ja) | 2016-08-24 |
JPWO2016121160A1 JPWO2016121160A1 (ja) | 2017-04-27 |
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JP2016522825A Active JP5977911B1 (ja) | 2015-01-28 | 2015-09-15 | 内視鏡 |
Country Status (5)
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US (1) | US9924856B2 (ja) |
EP (1) | EP3243422A4 (ja) |
JP (1) | JP5977911B1 (ja) |
CN (1) | CN106231978B (ja) |
WO (1) | WO2016121160A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3257426A4 (en) * | 2015-02-09 | 2018-12-05 | Olympus Corporation | Endoscope |
CN110248588B (zh) * | 2017-02-23 | 2022-04-26 | 奥林巴斯株式会社 | 内窥镜 |
DE102017111306A1 (de) | 2017-05-23 | 2018-11-29 | Karl Storz Se & Co. Kg | Endoskop |
WO2019003508A1 (ja) * | 2017-06-29 | 2019-01-03 | オリンパス株式会社 | 内視鏡 |
WO2019044430A1 (ja) * | 2017-08-28 | 2019-03-07 | オリンパス株式会社 | 内視鏡用照明ユニット及び内視鏡 |
EP3494862A1 (en) * | 2017-12-08 | 2019-06-12 | Ambu A/S | Illumination system for an endoscope |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007289355A (ja) * | 2006-04-24 | 2007-11-08 | Olympus Medical Systems Corp | 内視鏡 |
JP2009207529A (ja) * | 2008-02-29 | 2009-09-17 | Olympus Medical Systems Corp | 内視鏡 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5489749A (en) * | 1977-12-27 | 1979-07-17 | Fuji Photo Optical Co Ltd | Lighting optical system of endoscope |
JP4402538B2 (ja) * | 2004-07-26 | 2010-01-20 | オリンパス株式会社 | 内視鏡とその製造方法、修理方法 |
JP4864382B2 (ja) * | 2005-08-24 | 2012-02-01 | Hoya株式会社 | 内視鏡 |
JP4704386B2 (ja) * | 2007-03-29 | 2011-06-15 | オリンパスメディカルシステムズ株式会社 | 内視鏡 |
CN102316783B (zh) * | 2009-03-31 | 2015-12-02 | 奥林巴斯株式会社 | 内窥镜 |
EP2380483B1 (en) * | 2009-11-06 | 2013-03-27 | Olympus Medical Systems Corp. | Endoscope |
JP5903893B2 (ja) * | 2010-06-25 | 2016-04-13 | コニカミノルタ株式会社 | プローブ |
EP2667235A4 (en) * | 2011-10-28 | 2015-04-29 | Olympus Medical Systems Corp | OPTICAL LIGHTING SYSTEM FOR ENDOSCOPE |
CN104203070B (zh) * | 2012-11-07 | 2016-09-28 | 奥林巴斯株式会社 | 内窥镜 |
JP5891208B2 (ja) * | 2013-08-13 | 2016-03-22 | Hoya株式会社 | 内視鏡用照明光学系 |
-
2015
- 2015-09-15 CN CN201580020672.1A patent/CN106231978B/zh active Active
- 2015-09-15 EP EP15880054.0A patent/EP3243422A4/en not_active Withdrawn
- 2015-09-15 WO PCT/JP2015/076155 patent/WO2016121160A1/ja active Application Filing
- 2015-09-15 JP JP2016522825A patent/JP5977911B1/ja active Active
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2016
- 2016-10-20 US US15/298,359 patent/US9924856B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007289355A (ja) * | 2006-04-24 | 2007-11-08 | Olympus Medical Systems Corp | 内視鏡 |
JP2009207529A (ja) * | 2008-02-29 | 2009-09-17 | Olympus Medical Systems Corp | 内視鏡 |
Also Published As
Publication number | Publication date |
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WO2016121160A1 (ja) | 2016-08-04 |
US20170035282A1 (en) | 2017-02-09 |
EP3243422A4 (en) | 2018-10-31 |
JPWO2016121160A1 (ja) | 2017-04-27 |
EP3243422A1 (en) | 2017-11-15 |
CN106231978B (zh) | 2018-05-01 |
US9924856B2 (en) | 2018-03-27 |
CN106231978A (zh) | 2016-12-14 |
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