WO2005027737A1 - エネルギー供給用コイルおよびこれを用いた無線型被検体内情報取得システム - Google Patents
エネルギー供給用コイルおよびこれを用いた無線型被検体内情報取得システム Download PDFInfo
- Publication number
- WO2005027737A1 WO2005027737A1 PCT/JP2004/013294 JP2004013294W WO2005027737A1 WO 2005027737 A1 WO2005027737 A1 WO 2005027737A1 JP 2004013294 W JP2004013294 W JP 2004013294W WO 2005027737 A1 WO2005027737 A1 WO 2005027737A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coil
- subject
- energy supply
- wireless
- energy
- Prior art date
Links
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
-
- 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
- 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
- A61B1/00025—Operational features of endoscopes characterised by power management
- A61B1/00027—Operational features of endoscopes characterised by power management characterised by power supply
- A61B1/00029—Operational features of endoscopes characterised by power management characterised by power supply externally powered, e.g. wireless
-
- 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
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0214—Operational features of power management of power generation or supply
- A61B2560/0219—Operational features of power management of power generation or supply of externally powered implanted units
Definitions
- image data captured inside the body by the forcepsell endoscope is sequentially transmitted to the outside by wireless communication and stored in the memory.
- the receiver equipped with this wireless communication function and memory function the patient can freely move after swallowing the capsule endoscope until it is discharged. You. Thereafter, a doctor or a nurse can display an image of the organ on a display based on the image data stored in the memory to make a diagnosis.
- a powerful capsule endoscope may be configured to obtain driving power from a stored power supply source. The configuration has attracted attention. In this way, by adopting a configuration in which electric power is supplied from the outside, it is possible to avoid a situation in which the capsule endoscope is unintentionally consumed and stops driving while moving in the body cavity. It is possible.
- the energy supply coil according to the present invention is characterized in that, in the above invention, the driving frequency of the coil is less than 1 mm.
- the energy supply coil according to the present invention is characterized in that, in the above invention, the resistance of the coil is less than 100 ⁇ . Further, the energy supply coil according to the present invention is characterized in that, in the above invention, the coil is embedded or attached to a stretchable material.
- a transmission antenna unit 24 for transmitting the RF signal output from the RF transmission unit 23, and a system control circuit 32 for controlling operations of the LED drive circuit 20, the CCD drive circuit 26, and the RF transmission unit 23.
- the CCD 21, the signal processing circuit 22, and the CCD driving circuit 26 are collectively referred to as an imaging circuit 40.
- the coil center magnetic field H is proportional to the number of turns N and the current I.
- the self-inductance L of the energy supply coil 100 is
- K is the Nagaoka coefficient
- / is the magnetic permeability
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Computer Networks & Wireless Communication (AREA)
- Endoscopes (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004273709A AU2004273709B2 (en) | 2003-09-18 | 2004-09-07 | Energy supply coil and radio system for acquiring information in object using it |
CA002537074A CA2537074A1 (en) | 2003-09-18 | 2004-09-07 | Energy supplying coil and wireless system for obtaining information inside subject |
EP04772976A EP1665977A4 (en) | 2003-09-18 | 2004-09-07 | ENERGY DELIVERY COIL AND RADIO SYSTEM FOR COLLECTING INFORMATION IN ANY OF THIS USE OBJECT |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-326511 | 2003-09-18 | ||
JP2003326511A JP4153852B2 (ja) | 2003-09-18 | 2003-09-18 | エネルギー供給用コイルおよびこれを用いた無線型被検体内情報取得システム |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005027737A1 true WO2005027737A1 (ja) | 2005-03-31 |
Family
ID=34308746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013294 WO2005027737A1 (ja) | 2003-09-18 | 2004-09-07 | エネルギー供給用コイルおよびこれを用いた無線型被検体内情報取得システム |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050065407A1 (ja) |
EP (1) | EP1665977A4 (ja) |
JP (1) | JP4153852B2 (ja) |
KR (1) | KR100856983B1 (ja) |
CN (1) | CN100457018C (ja) |
AU (1) | AU2004273709B2 (ja) |
CA (1) | CA2537074A1 (ja) |
WO (1) | WO2005027737A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103637762A (zh) * | 2013-12-27 | 2014-03-19 | 上海交通大学 | 消化道癌前病变无创检查系统 |
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-
2004
- 2004-09-07 AU AU2004273709A patent/AU2004273709B2/en not_active Ceased
- 2004-09-07 CN CNB2004800269563A patent/CN100457018C/zh not_active Expired - Fee Related
- 2004-09-07 EP EP04772976A patent/EP1665977A4/en not_active Withdrawn
- 2004-09-07 CA CA002537074A patent/CA2537074A1/en not_active Abandoned
- 2004-09-07 KR KR1020067005347A patent/KR100856983B1/ko not_active IP Right Cessation
- 2004-09-07 WO PCT/JP2004/013294 patent/WO2005027737A1/ja active Application Filing
- 2004-09-15 US US10/941,699 patent/US20050065407A1/en not_active Abandoned
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AU2004273709B2 (en) | 2008-06-26 |
US20050065407A1 (en) | 2005-03-24 |
CA2537074A1 (en) | 2005-03-31 |
JP4153852B2 (ja) | 2008-09-24 |
CN100457018C (zh) | 2009-02-04 |
CN1852674A (zh) | 2006-10-25 |
AU2004273709A1 (en) | 2005-03-31 |
KR20060054464A (ko) | 2006-05-22 |
EP1665977A1 (en) | 2006-06-07 |
EP1665977A4 (en) | 2008-08-20 |
JP2005087552A (ja) | 2005-04-07 |
KR100856983B1 (ko) | 2008-09-04 |
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