WO2004096029A1 - カプセル内視鏡およびカプセル内視鏡システム - Google Patents
カプセル内視鏡およびカプセル内視鏡システム Download PDFInfo
- Publication number
- WO2004096029A1 WO2004096029A1 PCT/JP2004/005710 JP2004005710W WO2004096029A1 WO 2004096029 A1 WO2004096029 A1 WO 2004096029A1 JP 2004005710 W JP2004005710 W JP 2004005710W WO 2004096029 A1 WO2004096029 A1 WO 2004096029A1
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- WIPO (PCT)
- Prior art keywords
- observation
- capsule endoscope
- illumination
- illuminating
- imaging
- Prior art date
Links
- 239000002775 capsule Substances 0.000 title claims abstract description 78
- 238000005286 illumination Methods 0.000 claims abstract description 107
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000003384 imaging method Methods 0.000 claims description 51
- 230000003287 optical effect Effects 0.000 claims description 17
- 230000000007 visual effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000010365 information processing Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 11
- 238000007689 inspection Methods 0.000 description 4
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect 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
- 238000003745 diagnosis Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008855 peristalsis Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- 238000005070 sampling Methods 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
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- 230000009747 swallowing Effects 0.000 description 1
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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
- A61B1/06—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
- A61B1/06—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
- A61B1/0625—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 multiple fixed illumination angles
-
- 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]
Definitions
- the present invention relates to a medical endoscope, and more particularly, to a swallowable tablet endoscope (hereinafter, referred to as a "force-pussel endoscope”) and a force-pussel endoscope system using the same. It is.
- This capsule endoscope enables an examinee to take an image of a body cavity such as a stomach and an intestine during a passage through the body cavity by swallowing the subject from the mouth.
- the capsule endoscope includes an imaging means 1 capable of capturing an image of a body cavity, an illumination means 2 for illuminating the inside of the body cavity, a power supply means 3 for supplying power thereto, and
- the distal end cover portion 5 for covering the imaging means 1 and the illumination means 2 and leading out the illumination light L from the illumination means 2 and the distal end force par portion 5 are provided in a watertight manner. It comprises a power casing 8 in which the lighting means 2, the power supply means 3, and the processing circuits 6, 7 are arranged at least.
- the illumination means 2 can illuminate the inside of the body cavity when the imaging means 1 performs imaging inside the body cavity.
- the illumination means 2 and the imaging means 1 are adjacent to each other and directed forward. Are located.
- a predetermined portion or the entirety of the distal end portion of the capsule housing 8 is provided so that the illumination light L can be guided into the body cavity, and further that the imaging unit can capture a body cavity image.
- a hemispherical tip cover 5 which is transparent and also serves as an illumination light guide window and a body cavity image capturing window is provided.
- tip part 5 is hemispherical is to make it easier for the examiner to swallow the capsule endoscope and to make it difficult for body fluids to adhere to the tip part 5. This is also the reason (see Japanese Patent Application Laid-Open No. 2000-955756).
- the center optical axis (the emission light indicated by the bold line in the figure) is parallel to the axis of the capsule endoscope. Since the radiated light from the radiating means has a uniform inverted conical shape, as shown in FIG. 10, when a plurality of lighting means 2 are arranged concentrically as shown in FIG. However, in the central part of the illumination range, the sum of the illumination light from a plurality of illumination means is obtained, and the central part and the other parts have different brightness.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide a capsule endoscope and a capsule endoscope system that enable uniform illumination of illumination light over the entire illumination surface and can capture a good diagnostic image. And Disclosure of the invention
- the present invention provides an observation unit that has a predetermined observation range and observes the inside of a subject, and emits illumination light that illuminates the observation range of the observation unit.
- the superimposed illumination light is superimposed on the observation center portion including the observation center of the observation means, so that the light amount of the observation center portion and the peripheral portion thereof are made substantially the same.
- the observing means forms a subject image in the subject having a predetermined optical axis and a visual field range for determining the observing surroundings and the center of observation.
- An optical element for imaging, and an imaging element for imaging the subject image formed by the optical element are provided.
- the present invention is characterized in that, in the above invention, the illuminating means is a light emitting element including a illuminant emitting illumination light for illuminating an observation range of the observing means. .
- the luminous body of the illuminating means is inclined in a direction in which one of the ends of the luminous body, which is close to the observation center, is arranged in the lighting means and located forward. With this arrangement, the illumination light emitted from each is superimposed at the observation central portion.
- each of the illumination means is provided so as to be inclined in a direction in which one of the ends of the illumination means which is closer to the observation center is disposed in the upward and forward direction.
- the obtained illumination light is superimposed on the observation center portion.
- the present invention provides, in the above invention, a reflection member provided near the illumination means.5, wherein the illumination means emits illumination light emitted from each illumination means including illumination light reflected by the reflection member. It is characterized in that it is superimposed at the observation center part.
- the present invention provides, in the above invention, an imaging unit having a predetermined optical axis and a visual field range to capture an image of a subject in a subject, and illuminating light for illuminating a visual field range of the imaging unit.
- the present invention is characterized in that in the above invention, there is further provided communication means for transmitting the imaging information from the imaging means to the outside.
- the present invention also provides the capsule endoscope described above, a package that covers the capsule endoscope until before use, and a package from the force capsule endoscope.
- a receiving device that receives a transmission signal externally; and an information processing unit that processes information from the receiving device.
- FIG. 1 is a schematic view showing an internal structure of a force capsule endoscope according to the first embodiment.
- FIG. 2 is a schematic diagram of a capsule endoscope system.
- FIG. 3 is a front view of the capsule endoscope.
- FIG. 4 is a schematic diagram showing an emission state of illumination light from the illumination means according to the present embodiment.
- FIG. 5 is a schematic diagram showing the intensity of illumination light as viewed from the front according to the present embodiment.
- FIG. 6 is a schematic diagram showing an emission state of illumination light from the illumination means according to the second embodiment.
- FIG. 7 is a schematic diagram showing an emission state of illumination light from an illumination unit according to the third embodiment.
- FIG. 8 is an enlarged view showing an emission state of illumination light from an illumination unit according to the third embodiment.
- FIG. 9 is a schematic diagram of a conventional capsule endoscope.
- FIG. 10 is a schematic diagram showing a state in which illumination light is derived and reflected by illumination means of a conventional capsule endoscope. BEST
- FIG. 1 is a schematic diagram showing an internal structure of a capsule endoscope according to the present embodiment
- FIG. 2 is a schematic diagram of a capsule endoscope system
- FIG. 3 is a front view of the capsule endoscope.
- FIG. 4 is a schematic diagram showing an emission state of the illumination light from the illumination means according to the present embodiment
- FIG. 5 is a schematic diagram showing the intensity of the illumination light as viewed from the front.
- FIG. 1 is a schematic diagram showing the internal structure of a capsule endoscope according to the present embodiment
- FIG. 2 is a schematic diagram of a capsule endoscope system.
- the capsule endoscope 10 is capable of capturing an image of a body cavity.
- Imaging means 11 as an observation means
- illumination means 12 for illuminating the inside of the body cavity
- means 13 for supplying power thereto
- a capsenole housing 14 in which at least 13 is disposed.
- the capsule housing 14 is provided with a tip force par portion 20 covering the imaging means 11 and the lighting means 12, and through the tip cover part 20 and the watertight means 21. And a capsule body 22 in which imaging means 11 and the like are disposed.
- the rear end force par section 23 is separated from the capsule body 22 as necessary. It may be installed.
- the rear end cover 23 is provided integrally with the capsule body and has a flat shape.
- the shape is not limited. For example, a dome shape may be adopted.
- the distal end cover 20 may clearly separate the illumination window 20 a for transmitting the illumination light L from the illumination means 12 and the imaging window 20 b for imaging the illumination range.
- the distal end force par portion 20 is entirely transparent, and the regions of the illumination window portion 20a and the imaging window portion 20b partially overlap.
- the image pickup means 11 is provided on an image pickup board 24, and picks up an area illuminated by the illumination light L from the illuminating means 12 and, for example, a solid-state image pickup element 25 comprising a CCD;
- a sharper image is formed by the focus adjustment means 28 using the movable frame 28b that fixes the image.
- the imaging means 11 is not limited to the above-mentioned CCD, but may be an imaging means such as CMOS, for example.
- the illumination means 12 is provided on an illumination substrate 30 and is made of, for example, a light emitting diode (LED).
- the illumination means 12 is formed around an imaging lens 26 constituting the imaging means 11. A plurality (four in the present embodiment) is provided around it.
- the power supply and the means 13 are mounted on a power supply board 32 provided with the internal switch 31.
- a button-type battery is used as the power source 33.
- a silver oxide battery is used as the battery, but the present invention is not limited to this.
- a rechargeable battery, a power generation battery, or the like may be used.
- the internal switch 31 for example, a switch which can perform an ON operation by a separating action between magnets is used.
- a wireless means 42 including an antenna or the like for performing wireless communication with the outside is provided on the wireless board 41, and communication with the outside is performed as necessary. Going.
- a signal processing / control means 43 for processing or controlling the above-mentioned various means is provided on the imaging substrate 24, and performs various kinds of processing in the forceps endoscope 10.
- the signal processing / control means 43 includes a video signal processing function such as image data generation including, for example, correlated double sampling (CDS), a mixing of a video signal and a synchronization signal (in the case of analog transmission), and an error.
- a transmission signal creation function that performs correction code addition (in the case of digital transmission), a modulation function that converts to, for example, PSK, MSK, GMSK, QMSK, and ASK systems in cooperation with a modulator, and a switch ON.
- a power supply control function that controls power supply in response to OFF, a drive circuit such as an LED drive circuit, a timing generator (TG) function that controls the number of images captured, and various data such as line and frame parameters. It is composed of a storage function for storing and performs various signal processing and control.
- the video signal processing functions include, for example, image data correction (eg, white balance (WB) correction, ⁇ correction, color processing, AGC, etc.), and, in some cases, analog-to-digital conversion (ADC) in addition to image data generation. And dimming function ( ⁇ ).
- image data correction eg, white balance (WB) correction, ⁇ correction, color processing, AGC, etc.
- ADC analog-to-digital conversion
- ⁇ dimming function
- FIG. 2 is a schematic diagram of a capsule endoscope system according to the present embodiment. You. The inspection using the capsule endoscope 10 is performed using a capsule endoscope system as shown in FIG.
- the capsule endoscope system 50 includes a capsule endoscope 10 and a package 51 thereof, a jacket 53 to be worn by a patient, that is, an examinee 52.
- the jacket 52 includes a receiver 54 that is detachably attached to the jacket 53, and a workstation 55 that processes information received by the receiver 54.
- the jacket 52 includes a wireless means 4 for the capsule endoscope 10.
- Antennas 56a, 56b, 56c and 56d for receiving the radio waves of the captured image transmitted from 2 are provided, and are connected to the receiver 54 with no cable, cable or cable It is provided so that it can communicate.
- the number of antennas provided on the jacket 53 is not particularly limited to four, but may be any number, so that the radio wave corresponding to the position accompanying the movement of the forceps endoscope 10 can be satisfactorily received. Can be.
- the receiver 54 is provided with a display unit 57 for displaying information necessary for observation (inspection) and an input unit 58 for inputting information necessary for observation (inspection).
- the receiver 54 can detachably mount a CF (Compact Flash (registered trademark)) memory 59 for storing received captured image data.
- the receiver 54 is provided with a power supply section 60 capable of supplying power even when being carried and a signal processing / control section 61 for performing processing necessary for observation (inspection). Examples of the power supply section 60 include a dry battery, a Lion secondary battery, and a Ni hydrogen battery, and may be a rechargeable battery.
- the workstation 55 has a processing function for a doctor or a nurse to make a diagnosis based on an image of an organ in a patient's body captured by the capsule endoscope 10.
- the workstation 55 is provided with a CF memory reader / writer 61.
- an interface for communicatively connecting to the receiver 54 and the CF memory reader / writer 61 is provided. It performs reading Z writing of CF memory 59 and so on.
- the workstation 55 has a communication function for connecting to a network, and accumulates patient examination results and the like in a database via the network.
- the workstation 55 has a display unit 62, which inputs imaged image data of the inside of the patient from the receiver 54, and displays an image of a booster or the like on the display unit 62.
- the capsule endoscope 10 is taken out of the package 51, and the subject 52 drinks the force capsule endoscope 10 from the mouth. In this way, it passes through the esophagus, advances through the body cavity by peristalsis of the gastrointestinal tract, and sequentially captures images of the body cavity.
- the radio waves of the captured image are output via the wireless means 42 as necessary or as needed with respect to the imaging result, and the radio waves are received by the antennas 56a to 56d of the jacket 53.
- a signal from an antenna with a high received signal strength is transmitted to a receiver 54 outside the body.
- the captured image data sequentially received in the CF memory 59 is stored. Note that this receiver 54 is not synchronized with the start of imaging by the capsule endoscope 10, and the start and end of reception are controlled by operating the input unit 58. Further, the captured image data may be still image data captured in a plurality of frames Z seconds for displaying as a moving image, or normal moving image data.
- the CF memory 59 is inserted into the CF memory reader / writer 61 and stored in the CF memory 59.
- the captured image data is transferred to the workstation 55 via the cable.
- the transferred captured image data is stored in correspondence with each patient.
- the captured image data in the body cavity captured by the force capsule endoscope 10 and accumulated by the receiver 54 is displayed on the display unit 62 of the workstation 55 as described above.
- the configuration of the lighting means according to the present embodiment is shown in FIG.
- the illuminating means 12 is configured such that the illuminant 12 a constituting the illuminating means 12 is moved outward from the central axis C of the capsule endoscope 20. It is arranged so as to be inclined from one side to the rear side, so that the axial center of the amount of illumination light L emitted from the luminous body 12a is shifted outward.
- the center axis C is the center of observation, and is the center axis of the substantially cylindrical capsule body 22 which is a member forming the capsule housing 14 shown in FIG.
- the central axis C of the above-described substantially cylindrical capsule body 22 and the optical axis formed by the coupling lens 26 and the front end cover 20 of the imaging means 11 are different from each other.
- the present invention is not limited to this, and when the central axis C is different from the optical axis, the respective luminous bodies 12a are arranged so as to be inclined from the front side to the rear side outward from the optical axis. Just set it. This is because this optical axis functions as the observation center.
- the brightness of the illumination light in the illumination range of the observation center portion formed by the plurality of illumination lights from the plurality of illumination means 12 and the brightness of the illumination light in the peripheral portion excluding the observation center portion are substantially reduced. They are the same.
- the illuminating light for illuminating the central portion of the illumination range is a portion of the illumination range excluding the illumination range of the observation central portion. It has a different direction (hereinafter referred to as “light anisotropy” in the present invention) such that the brightness becomes lower than the emitted light that illuminates the light.
- the brightness of the observation center portion in the illumination range illuminated by the plurality of illuminants 12a and the brightness of the portion excluding the observation center portion in the illumination range illuminated by the single illuminant are the same. Or make it almost the same brightness
- the observation center portion in the bright range is formed by using a plurality of (four in the present embodiment) light emitting portions 12a, 12a, 12a, and 12a.
- a predetermined brightness is obtained by the gathered illumination light, and in the illumination range other than the observation center portion, a single light emitting portion 12a is used to provide substantially the same or a predetermined brightness as the above-described observation center portion. Since the same brightness is obtained, the brightness becomes uniform over the entire illumination range and the brightness can be balanced. As a result, it is possible to provide a force capsule endoscope capable of imaging a good diagnostic image by the imaging means.
- the light amount of the illumination light is set to be substantially the same on the same illumination surface that is orthogonal to the central axis of the capsule endoscope.
- the observation center portion in the illumination range is configured to obtain a desired brightness by using a plurality of light emitting units, and in the portion excluding the observation center portion, Since a single luminous body is used to obtain almost the same or the same brightness as that of the central part of the observation, the central part of the observation can obtain the desired brightness. Can prevent the situation that the desired brightness cannot be obtained.
- the desired brightness when the desired brightness is not provided in a portion other than the observation center portion, the desired brightness is not similarly provided in the observation center portion, In such a case, the power from power means 13 When the supply is increased, the entire area becomes brighter, so that the electric power can be used effectively, and the wasteful power consumption as in the past can be prevented.
- FIG. 6 is a schematic view of the illumination means of the capsule endoscope according to the second embodiment.
- the luminous body 12a constituting the illumination means 12 is tilted.
- the entire light-emitting means 12 having the light-emitting body 12 provided therein is inclined outward from the center axis of the capsule endoscope using the inclined member 71. It is inclined so as to be inclined from the front side toward the rear side toward.
- the light-emitting surface of the normal light-emitting body 12a and the light-emitting surface of the light-emitting means 12 are parallel planes.
- the observation center portion in the illumination range is obtained by using a plurality of light emitting portions to obtain a predetermined brightness by the collected illumination light.
- a single light emitting portion 12a is used to obtain substantially the same or the same brightness as the predetermined brightness of the observation center portion. Brightness can be given a balance as the brightness becomes uniform throughout. As a result, it is possible to provide a capsule endoscope in which a good diagnostic image can be captured by the imaging unit.
- FIG. 7 is a schematic view of an illumination means of the capsule endoscope according to the third embodiment
- FIG. 8 is a schematic view of an illumination state of the illumination light.
- a reflecting member 72 is provided on the back side of the light emitting means 12, and a part of the emitted light emitted from the light emitting means 12 is reflected by the reflecting member 72, and the emitted light is reflected by changing the orientation characteristics.
- the sum of the illumination light consisting of light and power has anisotropic light.
- the observation center portion in the illumination range uses a plurality of light emitting parts to obtain a predetermined brightness by the collected illumination light, and in the illumination range other than the observation center portion, a single Since the light emitting section 12a is used to obtain substantially the same or the same brightness as the predetermined brightness of the central portion of the observation, the brightness becomes uniform over the entire illumination range, and the brightness is balanced. You can have. As a result, it is possible to provide a capsule endoscope in which a good diagnostic image can be captured by the imaging unit.
- the imaging means 11 is provided at the observation center portion, and a plurality of lighting means 12 are provided around the periphery.
- the number of the light emitting means 12 provided is limited. Is not limited.
- the light emitting means 12 is not limited to being provided around the imaging means 11, and a plurality of illumination means 12 are used to make the imaging range of the capsule endoscope uniform. It can be applied to the lighting means in any arrangement for illuminating. As described above, according to the present invention, it is possible to provide a capsule endoscope capable of uniformly illuminating illumination light on the entire illumination surface and capturing a good diagnostic image.
- the present study is suitable for a forcepsell endoscope and a forcepschel endoscope system capable of obtaining a good captured image of a subject.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005505853A JPWO2004096029A1 (ja) | 2003-04-25 | 2004-04-21 | カプセル内視鏡およびカプセル内視鏡システム |
AU2004233669A AU2004233669B2 (en) | 2003-04-25 | 2004-04-21 | Capsule endoscope and capsule endoscope system |
CA002523309A CA2523309C (en) | 2003-04-25 | 2004-04-21 | Capsule endoscope and capsule endoscope system |
EP04728674.5A EP1618835B1 (en) | 2003-04-25 | 2004-04-21 | Capsule endoscope and capsule endoscope system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-122807 | 2003-04-25 | ||
JP2003122807 | 2003-04-25 |
Publications (1)
Publication Number | Publication Date |
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WO2004096029A1 true WO2004096029A1 (ja) | 2004-11-11 |
Family
ID=33410096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/005710 WO2004096029A1 (ja) | 2003-04-25 | 2004-04-21 | カプセル内視鏡およびカプセル内視鏡システム |
Country Status (8)
Country | Link |
---|---|
US (1) | US7316647B2 (ja) |
EP (1) | EP1618835B1 (ja) |
JP (1) | JPWO2004096029A1 (ja) |
KR (1) | KR100743332B1 (ja) |
CN (1) | CN100446717C (ja) |
AU (1) | AU2004233669B2 (ja) |
CA (1) | CA2523309C (ja) |
WO (1) | WO2004096029A1 (ja) |
Cited By (8)
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WO2007029813A1 (ja) * | 2005-09-09 | 2007-03-15 | Olympus Medical Systems Corp. | 画像表示装置 |
JP2007181669A (ja) * | 2005-12-29 | 2007-07-19 | Given Imaging Ltd | 生体内を照明するための装置および方法 |
EP2033570A1 (en) | 2007-09-06 | 2009-03-11 | Olympus Medical Systems Corp. | Capsule endoscope |
JP2009284968A (ja) * | 2008-05-27 | 2009-12-10 | Olympus Medical Systems Corp | カプセル型医療装置 |
WO2010044483A1 (ja) * | 2008-10-17 | 2010-04-22 | オリンパス株式会社 | 撮像装置および撮像システム |
EP1707103A4 (en) * | 2004-01-19 | 2010-12-15 | Olympus Corp | IMAGING DEVICE FOR ENDOSCOPE AND CAPSULE ENDOSCOPE |
JP2012086029A (ja) * | 2011-12-01 | 2012-05-10 | Olympus Medical Systems Corp | カプセル内視鏡 |
US11558534B2 (en) | 2018-02-08 | 2023-01-17 | Fujikura Ltd. | Imaging module, endoscope, and catheter |
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WO2002102224A2 (en) | 2001-06-18 | 2002-12-27 | Given Imaging Ltd. | In vivo sensing device with a circuit board having rigid sections and flexible sections |
IL159616A0 (en) | 2001-06-28 | 2004-06-01 | Given Imaging Ltd | In vivo imaging device with a small cross sectional area |
US9149175B2 (en) | 2001-07-26 | 2015-10-06 | Given Imaging Ltd. | Apparatus and method for light control in an in-vivo imaging device |
EP1578260B1 (en) * | 2002-12-16 | 2012-10-24 | Given Imaging Ltd. | Device, system and method for selective activation of in vivo sensors |
ATE547976T1 (de) | 2002-12-26 | 2012-03-15 | Given Imaging Ltd | Immobilisierbare in-vivo messvorrichtung |
US7833151B2 (en) | 2002-12-26 | 2010-11-16 | Given Imaging Ltd. | In vivo imaging device with two imagers |
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US8702597B2 (en) * | 2003-12-31 | 2014-04-22 | Given Imaging Ltd. | Immobilizable in-vivo imager with moveable focusing mechanism |
US7605852B2 (en) * | 2004-05-17 | 2009-10-20 | Micron Technology, Inc. | Real-time exposure control for automatic light control |
US20050288555A1 (en) * | 2004-06-28 | 2005-12-29 | Binmoeller Kenneth E | Methods and devices for illuminating, vievwing and monitoring a body cavity |
WO2006003650A2 (en) * | 2004-06-30 | 2006-01-12 | Given Imaging Ltd. | In-vivo sensing system device and method for real time viewing |
US8500630B2 (en) * | 2004-06-30 | 2013-08-06 | Given Imaging Ltd. | In vivo device with flexible circuit board and method for assembly thereof |
JP4589048B2 (ja) * | 2004-08-04 | 2010-12-01 | オリンパス株式会社 | カプセル型内視鏡 |
KR20070065347A (ko) * | 2004-09-03 | 2007-06-22 | 스트라이커 지아이 엘티디. | 내시경용 광학 헤드 |
US20060104057A1 (en) * | 2004-10-28 | 2006-05-18 | Jerome Avron | Device and method for in-vivo illumination |
US20090281389A1 (en) * | 2004-12-30 | 2009-11-12 | Iddan Gavriel J | Device, system, and method for adaptive imaging |
JP4015666B2 (ja) * | 2005-04-07 | 2007-11-28 | オリンパスメディカルシステムズ株式会社 | 被検体内情報取得システム |
JP4575260B2 (ja) * | 2005-09-09 | 2010-11-04 | オリンパス株式会社 | 被検体内導入装置 |
JP4981316B2 (ja) * | 2005-12-16 | 2012-07-18 | オリンパスメディカルシステムズ株式会社 | 被検体内導入装置 |
KR101026927B1 (ko) * | 2006-04-25 | 2011-04-04 | 올림푸스 가부시키가이샤 | 캡슐형 내시경 |
WO2008030482A2 (en) | 2006-09-06 | 2008-03-13 | Innurvation Inc | System and method for acoustic information exchange involving an ingestible low power capsule |
US7976459B2 (en) * | 2006-10-17 | 2011-07-12 | Intra L.L.C. | Portable endoscope for intubation |
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US8702591B2 (en) | 2007-01-12 | 2014-04-22 | Olympus Medical Systems Corp. | Capsule medical apparatus |
US20080161639A1 (en) * | 2006-12-28 | 2008-07-03 | Olympus Medical Systems Corporation | Capsule medical apparatus and body-cavity observation method |
JP5074146B2 (ja) * | 2007-03-30 | 2012-11-14 | オリンパス株式会社 | カプセル型医療装置 |
KR100928112B1 (ko) | 2007-10-30 | 2009-11-24 | 주식회사 인트로메딕 | 캡슐형 내시경 |
US8529441B2 (en) | 2008-02-12 | 2013-09-10 | Innurvation, Inc. | Ingestible endoscopic optical scanning device |
US20100016662A1 (en) * | 2008-02-21 | 2010-01-21 | Innurvation, Inc. | Radial Scanner Imaging System |
KR100939708B1 (ko) * | 2008-03-17 | 2010-02-01 | 주식회사 인트로메딕 | 캡슐 내시경 |
US8636653B2 (en) | 2008-06-09 | 2014-01-28 | Capso Vision, Inc. | In vivo camera with multiple sources to illuminate tissue at different distances |
WO2010005571A2 (en) | 2008-07-09 | 2010-01-14 | Innurvation, Inc. | Displaying image data from a scanner capsule |
US8823859B2 (en) | 2008-10-08 | 2014-09-02 | Olympus Corporation | Image pickup unit, optical unit, and manufacturing method for the image pickup unit |
US20100261976A1 (en) | 2009-04-14 | 2010-10-14 | Tyco Healthcare Group Lp | Apparatus and System for Performing Surgery |
US8516691B2 (en) | 2009-06-24 | 2013-08-27 | Given Imaging Ltd. | Method of assembly of an in vivo imaging device with a flexible circuit board |
US8945010B2 (en) | 2009-12-23 | 2015-02-03 | Covidien Lp | Method of evaluating constipation using an ingestible capsule |
US8647259B2 (en) | 2010-03-26 | 2014-02-11 | Innurvation, Inc. | Ultrasound scanning capsule endoscope (USCE) |
CA2943966C (en) | 2010-08-27 | 2019-02-19 | The Board Of Trustees Of The Leland Stanford Junior University | Microscopy imaging device with advanced imaging properties |
US8922633B1 (en) | 2010-09-27 | 2014-12-30 | Given Imaging Ltd. | Detection of gastrointestinal sections and transition of an in-vivo device there between |
US8965079B1 (en) | 2010-09-28 | 2015-02-24 | Given Imaging Ltd. | Real time detection of gastrointestinal sections and transitions of an in-vivo device therebetween |
TWI539925B (zh) * | 2011-01-18 | 2016-07-01 | Medical Intubation Tech Corp | An endoscopic image pickup assembly having two or more illumination directions |
CA2980332C (en) | 2011-03-24 | 2019-09-10 | EON Surgical Ltd. | Laparoscope system |
US9324145B1 (en) | 2013-08-08 | 2016-04-26 | Given Imaging Ltd. | System and method for detection of transitions in an image stream of the gastrointestinal tract |
DE102014208754A1 (de) * | 2014-05-09 | 2015-11-12 | Digital Endoscopy Gmbh | Endoskopkopf mit zumindest zwei lichtquellen und endoskop mit diesem |
WO2018170904A1 (en) * | 2017-03-24 | 2018-09-27 | Covidien Lp | Endoscopes and methods of use |
CN110367912A (zh) * | 2019-07-12 | 2019-10-25 | 深圳先进技术研究院 | 一种内窥镜及内窥镜系统 |
US11152664B2 (en) * | 2019-12-24 | 2021-10-19 | Anexa Labs Llc | Compact electronics with optical sensors |
WO2022221104A1 (en) * | 2021-04-12 | 2022-10-20 | Niche Biomedical Inc | Bleeding sensor for a patient's gastrointestinal tract |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02104315U (ja) * | 1989-02-07 | 1990-08-20 | ||
JPH04102432A (ja) * | 1990-08-23 | 1992-04-03 | Olympus Optical Co Ltd | 内視鏡 |
JPH0560985A (ja) * | 1991-08-30 | 1993-03-12 | Toshiba Corp | 内視鏡 |
JPH1176151A (ja) * | 1997-09-08 | 1999-03-23 | Olympus Optical Co Ltd | 内視鏡先端部 |
JP2001095756A (ja) | 1999-09-30 | 2001-04-10 | Asahi Optical Co Ltd | カプセル内視鏡 |
WO2001035813A1 (en) * | 1999-11-15 | 2001-05-25 | Given Imaging Ltd. | Method for activating an image collecting process |
US20030023150A1 (en) | 2001-07-30 | 2003-01-30 | Olympus Optical Co., Ltd. | Capsule-type medical device and medical system |
JP2003093367A (ja) * | 2001-09-27 | 2003-04-02 | Olympus Optical Co Ltd | カプセル型医療装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5489749A (en) * | 1977-12-27 | 1979-07-17 | Fuji Photo Optical Co Ltd | Lighting optical system of endoscope |
JP2563526B2 (ja) | 1988-10-14 | 1996-12-11 | 松下電器産業株式会社 | 電気湯沸し器 |
US6251068B1 (en) * | 1998-05-18 | 2001-06-26 | Fuji Photo Optical Co., Ltd. | Endoscopic observation system |
US6502956B1 (en) * | 1999-03-25 | 2003-01-07 | Leotek Electronics Corporation | Light emitting diode lamp with individual LED lenses |
US6227679B1 (en) * | 1999-09-16 | 2001-05-08 | Mule Lighting Inc | Led light bulb |
JP2001166223A (ja) * | 1999-12-03 | 2001-06-22 | Olympus Optical Co Ltd | 内視鏡 |
US6939292B2 (en) * | 2001-06-20 | 2005-09-06 | Olympus Corporation | Capsule type endoscope |
IL151049A0 (en) * | 2001-08-02 | 2003-04-10 | Given Imaging Ltd | In vivo imaging methods and devices |
US8423110B2 (en) * | 2002-01-09 | 2013-04-16 | Boston Scientific Scimed, Inc. | Imaging device and related methods |
JP4199463B2 (ja) | 2002-02-20 | 2008-12-17 | Hoya株式会社 | 内視鏡用光源装置および光源ユニットの組立方法 |
JP2003260025A (ja) * | 2002-03-08 | 2003-09-16 | Olympus Optical Co Ltd | カプセル型内視鏡 |
EP1578260B1 (en) * | 2002-12-16 | 2012-10-24 | Given Imaging Ltd. | Device, system and method for selective activation of in vivo sensors |
-
2004
- 2004-04-21 WO PCT/JP2004/005710 patent/WO2004096029A1/ja active Application Filing
- 2004-04-21 CA CA002523309A patent/CA2523309C/en not_active Expired - Fee Related
- 2004-04-21 AU AU2004233669A patent/AU2004233669B2/en not_active Ceased
- 2004-04-21 KR KR1020057020148A patent/KR100743332B1/ko not_active IP Right Cessation
- 2004-04-21 JP JP2005505853A patent/JPWO2004096029A1/ja active Pending
- 2004-04-21 CN CNB200480011081XA patent/CN100446717C/zh not_active Expired - Fee Related
- 2004-04-21 EP EP04728674.5A patent/EP1618835B1/en not_active Expired - Lifetime
- 2004-04-23 US US10/830,846 patent/US7316647B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02104315U (ja) * | 1989-02-07 | 1990-08-20 | ||
JPH04102432A (ja) * | 1990-08-23 | 1992-04-03 | Olympus Optical Co Ltd | 内視鏡 |
JPH0560985A (ja) * | 1991-08-30 | 1993-03-12 | Toshiba Corp | 内視鏡 |
JPH1176151A (ja) * | 1997-09-08 | 1999-03-23 | Olympus Optical Co Ltd | 内視鏡先端部 |
JP2001095756A (ja) | 1999-09-30 | 2001-04-10 | Asahi Optical Co Ltd | カプセル内視鏡 |
WO2001035813A1 (en) * | 1999-11-15 | 2001-05-25 | Given Imaging Ltd. | Method for activating an image collecting process |
US20030023150A1 (en) | 2001-07-30 | 2003-01-30 | Olympus Optical Co., Ltd. | Capsule-type medical device and medical system |
JP2003093367A (ja) * | 2001-09-27 | 2003-04-02 | Olympus Optical Co Ltd | カプセル型医療装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1618835A4 |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7998059B2 (en) | 2004-01-19 | 2011-08-16 | Olympus Corporation | Endoscopic imaging apparatus and capsule-type endoscope |
US8152713B2 (en) | 2004-01-19 | 2012-04-10 | Olympus Corporation | Capsule endoscope with illumination board section and method of assembling |
EP1707103A4 (en) * | 2004-01-19 | 2010-12-15 | Olympus Corp | IMAGING DEVICE FOR ENDOSCOPE AND CAPSULE ENDOSCOPE |
WO2007029813A1 (ja) * | 2005-09-09 | 2007-03-15 | Olympus Medical Systems Corp. | 画像表示装置 |
JP2007181669A (ja) * | 2005-12-29 | 2007-07-19 | Given Imaging Ltd | 生体内を照明するための装置および方法 |
EP2033570A1 (en) | 2007-09-06 | 2009-03-11 | Olympus Medical Systems Corp. | Capsule endoscope |
JP2009061097A (ja) * | 2007-09-06 | 2009-03-26 | Olympus Medical Systems Corp | カプセル内視鏡 |
JP2009284968A (ja) * | 2008-05-27 | 2009-12-10 | Olympus Medical Systems Corp | カプセル型医療装置 |
JP4589463B2 (ja) * | 2008-10-17 | 2010-12-01 | オリンパス株式会社 | 撮像装置 |
US8018485B2 (en) | 2008-10-17 | 2011-09-13 | Olympus Corporation | Imaging device |
JPWO2010044483A1 (ja) * | 2008-10-17 | 2012-03-15 | オリンパス株式会社 | 撮像装置 |
WO2010044483A1 (ja) * | 2008-10-17 | 2010-04-22 | オリンパス株式会社 | 撮像装置および撮像システム |
JP2012086029A (ja) * | 2011-12-01 | 2012-05-10 | Olympus Medical Systems Corp | カプセル内視鏡 |
US11558534B2 (en) | 2018-02-08 | 2023-01-17 | Fujikura Ltd. | Imaging module, endoscope, and catheter |
Also Published As
Publication number | Publication date |
---|---|
US20040225189A1 (en) | 2004-11-11 |
EP1618835B1 (en) | 2013-08-28 |
CN1777393A (zh) | 2006-05-24 |
EP1618835A4 (en) | 2009-03-18 |
AU2004233669B2 (en) | 2007-10-04 |
KR20060005391A (ko) | 2006-01-17 |
JPWO2004096029A1 (ja) | 2006-07-13 |
US7316647B2 (en) | 2008-01-08 |
CN100446717C (zh) | 2008-12-31 |
AU2004233669A1 (en) | 2004-11-11 |
EP1618835A1 (en) | 2006-01-25 |
CA2523309C (en) | 2009-01-06 |
KR100743332B1 (ko) | 2007-07-26 |
CA2523309A1 (en) | 2004-11-11 |
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