JP5086618B2 - カプセル型内視鏡 - Google Patents
カプセル型内視鏡 Download PDFInfo
- Publication number
- JP5086618B2 JP5086618B2 JP2006319145A JP2006319145A JP5086618B2 JP 5086618 B2 JP5086618 B2 JP 5086618B2 JP 2006319145 A JP2006319145 A JP 2006319145A JP 2006319145 A JP2006319145 A JP 2006319145A JP 5086618 B2 JP5086618 B2 JP 5086618B2
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- JP
- Japan
- Prior art keywords
- electrodes
- impedance
- subject
- transmission
- capsule endoscope
- 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
Links
- 239000002775 capsule Substances 0.000 title claims description 68
- 230000005540 biological transmission Effects 0.000 claims description 99
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000001727 in vivo Methods 0.000 claims 1
- 238000002847 impedance measurement Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 11
- 238000004891 communication Methods 0.000 description 8
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 8
- 238000003384 imaging method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000009747 swallowing Effects 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
- A61B1/04—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
- A61B1/041—Capsule endoscopes for imaging
-
- 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
- A61B1/00016—Operational features of endoscopes characterised by signal transmission using wireless means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0026—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the transmission medium
- A61B5/0028—Body tissue as transmission medium, i.e. transmission systems where the medium is the human body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/07—Endoradiosondes
- A61B5/073—Intestinal transmitters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Computer Networks & Wireless Communication (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- Endoscopes (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Description
図1は、本発明の一実施形態に係るカプセル型内視鏡を用いたカプセル型内視鏡システムの全体構成を示す模式図である。図1に示すカプセル型内視鏡システムは、カプセル型内視鏡2と、受信装置3と、表示装置4と、携帯型記録媒体5とを備えている。
Claims (2)
- 被検体内に導入されて被検体内情報を取得し、該取得した被検体内情報を前記被検体を介して外部へ送信するカプセル型内視鏡において、
前記カプセル型内視鏡の外周面上に配置される複数の電極と、
前記複数の電極の中から送信電力損失の少ない2つの電極を、前記被検体内情報を送信するための送信用電極として選択する電極選択手段と、
前記電極選択手段により選択された2つの送信用電極を用いて、前記被検体内情報を前記被検体の外部へ送信する送信手段と、
を具備し、
前記電極選択手段は、
前記複数の電極の中の2つの電極間のインピーダンスを測定するインピーダンス測定手段と、
前記インピーダンスが所定の範囲内にあることを判定する判定手段と、
前記複数の各電極間の特性インピーダンスを可変とするインピーダンス可変素子と、
前記インピーダンス可変素子の特性を調節して前記送信用電極と被検体との間でのインピーダンス整合を行うインピーダンス整合手段とを有し、
前記判定手段によって前記インピーダンスが所定の範囲内にあると判定された場合に前記2つの電極を送信用電極として選択することを特徴とするカプセル型内視鏡。 - 前記電極選択手段は、前記複数の電極の中から選択された2つの電極以外の未選択電極の電位を所定の低電位に引き下げる又は所定の高電位に引き上げることをさらに行うことを特徴とする請求項1に記載のカプセル型内視鏡。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006319145A JP5086618B2 (ja) | 2006-11-27 | 2006-11-27 | カプセル型内視鏡 |
KR1020097010747A KR101317043B1 (ko) | 2006-11-27 | 2007-10-23 | 캡슐형 내시경 |
PCT/JP2007/070982 WO2008065839A1 (en) | 2006-11-27 | 2007-10-23 | Capsule type endoscope |
EP07830716A EP2086383A4 (en) | 2006-11-27 | 2007-10-23 | CAPSULE TYPE ENDOSCOPE |
US11/926,612 US8221314B2 (en) | 2006-11-27 | 2007-10-29 | Capsule type endoscope for sending data in human body communication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006319145A JP5086618B2 (ja) | 2006-11-27 | 2006-11-27 | カプセル型内視鏡 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008132050A JP2008132050A (ja) | 2008-06-12 |
JP2008132050A5 JP2008132050A5 (ja) | 2010-01-21 |
JP5086618B2 true JP5086618B2 (ja) | 2012-11-28 |
Family
ID=39464543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006319145A Expired - Fee Related JP5086618B2 (ja) | 2006-11-27 | 2006-11-27 | カプセル型内視鏡 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8221314B2 (ja) |
EP (1) | EP2086383A4 (ja) |
JP (1) | JP5086618B2 (ja) |
KR (1) | KR101317043B1 (ja) |
WO (1) | WO2008065839A1 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JOP20080381B1 (ar) * | 2007-08-23 | 2023-03-28 | Amgen Inc | بروتينات مرتبطة بمولدات مضادات تتفاعل مع بروبروتين كونفيرتاز سيتيليزين ككسين من النوع 9 (pcsk9) |
US8162828B2 (en) * | 2007-11-08 | 2012-04-24 | Olympus Medical Systems Corp. | Blood content detecting capsule |
US9017248B2 (en) * | 2007-11-08 | 2015-04-28 | Olympus Medical Systems Corp. | Capsule blood detection system and method |
US20100329520A2 (en) * | 2007-11-08 | 2010-12-30 | Olympus Medical Systems Corp. | Method and System for Correlating Image and Tissue Characteristic Data |
US9131847B2 (en) * | 2007-11-08 | 2015-09-15 | Olympus Corporation | Method and apparatus for detecting abnormal living tissue |
KR100953562B1 (ko) * | 2007-12-17 | 2010-04-21 | 한국전자통신연구원 | 인체 통신 시스템 및 방법 |
TW201008542A (en) * | 2008-08-26 | 2010-03-01 | Everest Display Inc | Capsule endoscope with embedded metal contacts |
JP5096268B2 (ja) * | 2008-09-02 | 2012-12-12 | オリンパスメディカルシステムズ株式会社 | カプセル誘導システム |
KR100906464B1 (ko) * | 2008-11-26 | 2009-07-08 | 주식회사 인트로메딕 | 내시경 및 그 작동방법 |
JP5284846B2 (ja) * | 2009-03-30 | 2013-09-11 | オリンパス株式会社 | 生体内観察システム、該生体内観察システムの作動方法 |
JP2010240104A (ja) * | 2009-04-03 | 2010-10-28 | Olympus Corp | 体内観察システム、該体内観察システムの駆動方法 |
KR101329847B1 (ko) * | 2010-07-26 | 2013-11-14 | 주식회사 팬택 | 인체통신을 이용한 소셜 네트워크 서비스를 제공하는 휴대용 단말기 및 그 방법 |
KR101276162B1 (ko) * | 2011-04-05 | 2013-06-18 | 주식회사 인트로메딕 | 캡슐 내시경 장치, 캡슐형 내시경 장치의 영상 처리 방법 및 캡슐형 내시경 장치로부터 전송된 영상의 처리 장치 |
KR101347142B1 (ko) * | 2012-04-06 | 2014-01-09 | 조선대학교산학협력단 | 송수신 전극 시스템 및 이를 이용한 전력 전송 방법 |
KR20180001043A (ko) * | 2016-06-24 | 2018-01-04 | 한국전자통신연구원 | 캡슐 내시경, 그것을 포함하는 이미지 처리 시스템 및 그것에 포함되는 이미지 부호화 장치 |
KR102188758B1 (ko) * | 2018-12-13 | 2020-12-09 | 주식회사 인트로메딕 | 인체통신을 이용하여 신호를 전달하는 인체 삽입 장치 |
KR102275776B1 (ko) * | 2019-11-29 | 2021-07-13 | 광운대학교 산학협력단 | 캡슐 내시경용 체내 적응형 안테나 시스템 |
KR102331477B1 (ko) * | 2019-12-11 | 2021-11-29 | 조선대학교산학협력단 | 양방향 통신이 가능한 캡슐형 내시경 |
CN113285766B (zh) * | 2020-02-20 | 2022-12-13 | Oppo广东移动通信有限公司 | 人体通信的信号传输方法与装置、人体通信收发器 |
KR102655756B1 (ko) | 2020-12-09 | 2024-04-08 | 주식회사 엔도핀 | 캡슐 내시경 장치 |
KR20220099092A (ko) | 2021-01-05 | 2022-07-12 | 주식회사 엔도핀 | 캡슐 내시경 제어 장치 및 시스템 |
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US3711766A (en) * | 1970-03-02 | 1973-01-16 | Jones & Laughlin Steel Corp | Method and apparatus for use in measuring resultant tension forces in steel strip by sequentially establishing flux paths across said strip |
IL143418A (en) * | 2000-05-31 | 2004-09-27 | Given Imaging Ltd | Measurement of electrical properties of tissue |
KR100522132B1 (ko) * | 2003-01-25 | 2005-10-18 | 한국과학기술연구원 | 인체통신시스템에서의 데이터 수신방법 및 수신장치 |
KR100873683B1 (ko) * | 2003-01-25 | 2008-12-12 | 한국과학기술연구원 | 인체통신방법, 인체통신시스템 및 이에 사용되는 캡슐형 내시경 |
EP1690490B1 (en) * | 2003-11-11 | 2012-04-18 | Olympus Corporation | Capsule type medical device system |
JP4257611B2 (ja) * | 2005-05-17 | 2009-04-22 | ソニー株式会社 | 通信装置および方法、並びにプログラム |
KR100723307B1 (ko) * | 2005-10-25 | 2007-05-30 | 한국전자통신연구원 | 통신 장치 |
KR100799571B1 (ko) * | 2006-06-20 | 2008-01-30 | 한국전자통신연구원 | 인체를 이용한 통신장치 및 그 방법 |
WO2008016194A2 (en) * | 2006-08-01 | 2008-02-07 | Intromedic. Co., Ltd. | Transmitting device, communication system and method using a medium |
JP4805056B2 (ja) * | 2006-08-02 | 2011-11-02 | オリンパス株式会社 | 被検体内導入装置、体外受信装置、及び被検体内情報収集システム |
-
2006
- 2006-11-27 JP JP2006319145A patent/JP5086618B2/ja not_active Expired - Fee Related
-
2007
- 2007-10-23 WO PCT/JP2007/070982 patent/WO2008065839A1/en active Application Filing
- 2007-10-23 KR KR1020097010747A patent/KR101317043B1/ko not_active IP Right Cessation
- 2007-10-23 EP EP07830716A patent/EP2086383A4/en not_active Withdrawn
- 2007-10-29 US US11/926,612 patent/US8221314B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2086383A1 (en) | 2009-08-12 |
US20080125623A1 (en) | 2008-05-29 |
EP2086383A4 (en) | 2010-10-27 |
US8221314B2 (en) | 2012-07-17 |
JP2008132050A (ja) | 2008-06-12 |
KR101317043B1 (ko) | 2013-10-11 |
KR20090085634A (ko) | 2009-08-07 |
WO2008065839A1 (en) | 2008-06-05 |
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