JP5963978B2 - 電子内視鏡 - Google Patents
電子内視鏡 Download PDFInfo
- Publication number
- JP5963978B2 JP5963978B2 JP2015556284A JP2015556284A JP5963978B2 JP 5963978 B2 JP5963978 B2 JP 5963978B2 JP 2015556284 A JP2015556284 A JP 2015556284A JP 2015556284 A JP2015556284 A JP 2015556284A JP 5963978 B2 JP5963978 B2 JP 5963978B2
- Authority
- JP
- Japan
- Prior art keywords
- unit
- electronic endoscope
- filter unit
- filter
- cable
- 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.)
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Links
- 230000005540 biological transmission Effects 0.000 claims description 43
- 238000003384 imaging method Methods 0.000 claims description 24
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 2
- 238000012937 correction Methods 0.000 description 5
- 238000003908 quality control method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- A61B1/00002—Operational features of endoscopes
- A61B1/00011—Operational features of endoscopes characterised by signal transmission
- A61B1/00018—Operational features of endoscopes characterised by signal transmission using electrical cables
-
- 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
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
-
- 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
- A61B1/00114—Electrical cables in or with an endoscope
-
- 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
- A61B1/00124—Connectors, fasteners and adapters, e.g. on the endoscope handle electrical, e.g. electrical plug-and-socket connection
-
- 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
- A61B1/00186—Optical arrangements with imaging filters
-
- 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
- A61B1/04—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 combined with photographic or television appliances
- A61B1/05—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
まず、図1を用いて第1の実施形態の電子内視鏡を有する内視鏡システムの構成について説明する。図1は、第1の実施形態に係る電子内視鏡を有する内視鏡システムの構成を示す図である。
次に、第2の実施形態について説明する。
次に、第3の実施形態について説明する。
Claims (6)
- 撮像部で得られた撮像信号をデジタルシリアルデータに変換した差動信号としてプロセッサへの出力波形品質が一定になるように、前記プロセッサに送信する電子内視鏡であって、
前記差動信号を前記プロセッサに送信するための第1の送信部と、
前記第1の送信部の出力側に配置された第1のフィルタ部であって、前記第1の送信部から当該第1のフィルタ部に至る間に配設されたケーブルを含む伝送路の損失に応じて定数が調整された第1のフィルタ部と、
前記第1のフィルタ部からの前記差動信号を前記プロセッサに送信するための第2の送信部と、
前記第2の送信部の出力側に配置され、前記第2の送信部以降のケーブルを含む損失に応じて定数が調整された第2のフィルタ部と、
を有することを特徴とする電子内視鏡。 - 前記第1のフィルタ部は、前記伝送路のインピーダンスと同等のインピーダンスになるようにインピーダンス管理されていることを特徴とする請求項1に記載の電子内視鏡。
- 前記第1のフィルタ部は、直列に接続された少なくとも1つ以上のフィルタにより構成され、前記フィルタの段数によって前記定数の調整を行うことを特徴とする請求項1に記載の電子内視鏡。
- 前記第1の送信部が挿入部に配置され、前記第1のフィルタ部が電線あるいはフレキシブル基板を介して操作部以降に配置されていることを特徴とする請求項1に記載の電子内視鏡。
- 前記第1のフィルタ部、前記第2の送信部及び前記第2のフィルタ部が操作部以降に配置されていることを特徴とする請求項1に記載の電子内視鏡。
- 前記第1のフィルタ部、前記第2の送信部、および前記第2のフィルタ部が、前記操作部内に集約して配置されていることを特徴とする請求項5に記載の電子内視鏡。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014097061 | 2014-05-08 | ||
JP2014097061 | 2014-05-08 | ||
PCT/JP2015/063191 WO2015170701A1 (ja) | 2014-05-08 | 2015-05-07 | 電子内視鏡 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5963978B2 true JP5963978B2 (ja) | 2016-08-03 |
JPWO2015170701A1 JPWO2015170701A1 (ja) | 2017-04-20 |
Family
ID=54392551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015556284A Active JP5963978B2 (ja) | 2014-05-08 | 2015-05-07 | 電子内視鏡 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160374538A1 (ja) |
EP (1) | EP3103379A4 (ja) |
JP (1) | JP5963978B2 (ja) |
CN (1) | CN106132278B (ja) |
WO (1) | WO2015170701A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6833495B2 (ja) * | 2016-12-15 | 2021-02-24 | オリンパス株式会社 | 内視鏡 |
JP6800109B2 (ja) * | 2017-08-22 | 2020-12-16 | オリンパス株式会社 | 超音波内視鏡 |
JP7150139B2 (ja) * | 2019-03-18 | 2022-10-07 | オリンパス株式会社 | 光源および内視鏡システム |
JP2021137150A (ja) * | 2020-03-03 | 2021-09-16 | Hoya株式会社 | 内視鏡システム |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009106442A (ja) * | 2007-10-29 | 2009-05-21 | Olympus Medical Systems Corp | 撮像システム |
JP2011206337A (ja) * | 2010-03-30 | 2011-10-20 | Fujifilm Corp | 内視鏡システム及びその制御方法 |
JP2012115531A (ja) * | 2010-12-02 | 2012-06-21 | Hoya Corp | 電子内視鏡及び電子内視鏡システム |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4803562A (en) * | 1986-06-20 | 1989-02-07 | Olympus Optical Co., Ltd. | Image sensing apparatus |
US4759346A (en) * | 1987-02-17 | 1988-07-26 | Olympus Optical Co., Ltd. | Endoscope device |
US4860094A (en) * | 1987-03-10 | 1989-08-22 | Olympus Optical Co., Ltd. | Control apparatus for use with different types of endoscopes |
JPH0828839B2 (ja) * | 1987-04-21 | 1996-03-21 | オリンパス光学工業株式会社 | テレビカメラ装置 |
JPH06326916A (ja) * | 1993-05-12 | 1994-11-25 | Olympus Optical Co Ltd | カメラヘッド分離型撮像装置 |
US5841810A (en) * | 1997-01-30 | 1998-11-24 | National Semiconductor Corporation | Multiple stage adaptive equalizer |
US6711394B2 (en) * | 1998-08-06 | 2004-03-23 | Isco International, Inc. | RF receiver having cascaded filters and an intermediate amplifier stage |
US7355625B1 (en) * | 1999-03-17 | 2008-04-08 | Olympus Corporation | Endoscopic imaging system and endoscope system |
US6940539B1 (en) * | 1999-04-30 | 2005-09-06 | General Electric Company | Variable cable length compensator for video imaging systems |
US6796939B1 (en) * | 1999-08-26 | 2004-09-28 | Olympus Corporation | Electronic endoscope |
US6545622B1 (en) * | 2001-10-25 | 2003-04-08 | National Semiconductor Corporation | Low power analog equalizer with current mode digital to analog converter |
JP4104523B2 (ja) * | 2003-10-02 | 2008-06-18 | オリンパス株式会社 | 映像信号発生装置 |
JP2005160925A (ja) * | 2003-12-05 | 2005-06-23 | Media Technology:Kk | 電子内視鏡装置 |
JP4512639B2 (ja) * | 2005-07-04 | 2010-07-28 | オリンパスメディカルシステムズ株式会社 | 信号伝送回路及び内視鏡装置 |
JP2008264252A (ja) * | 2007-04-20 | 2008-11-06 | Olympus Medical Systems Corp | 電子内視鏡装置 |
JP2011250835A (ja) * | 2010-05-31 | 2011-12-15 | Olympus Corp | 内視鏡システム |
JP2012011144A (ja) * | 2010-07-05 | 2012-01-19 | Olympus Corp | 内視鏡装置 |
-
2015
- 2015-05-07 CN CN201580013027.7A patent/CN106132278B/zh active Active
- 2015-05-07 JP JP2015556284A patent/JP5963978B2/ja active Active
- 2015-05-07 WO PCT/JP2015/063191 patent/WO2015170701A1/ja active Application Filing
- 2015-05-07 EP EP15790001.0A patent/EP3103379A4/en not_active Withdrawn
-
2016
- 2016-09-12 US US15/262,042 patent/US20160374538A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009106442A (ja) * | 2007-10-29 | 2009-05-21 | Olympus Medical Systems Corp | 撮像システム |
JP2011206337A (ja) * | 2010-03-30 | 2011-10-20 | Fujifilm Corp | 内視鏡システム及びその制御方法 |
JP2012115531A (ja) * | 2010-12-02 | 2012-06-21 | Hoya Corp | 電子内視鏡及び電子内視鏡システム |
Also Published As
Publication number | Publication date |
---|---|
JPWO2015170701A1 (ja) | 2017-04-20 |
CN106132278A (zh) | 2016-11-16 |
CN106132278B (zh) | 2017-12-22 |
EP3103379A4 (en) | 2017-11-22 |
US20160374538A1 (en) | 2016-12-29 |
WO2015170701A1 (ja) | 2015-11-12 |
EP3103379A1 (en) | 2016-12-14 |
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