WO2006003649A2 - Dispositif et procede d'eclairage in vivo - Google Patents

Dispositif et procede d'eclairage in vivo Download PDF

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Publication number
WO2006003649A2
WO2006003649A2 PCT/IL2005/000695 IL2005000695W WO2006003649A2 WO 2006003649 A2 WO2006003649 A2 WO 2006003649A2 IL 2005000695 W IL2005000695 W IL 2005000695W WO 2006003649 A2 WO2006003649 A2 WO 2006003649A2
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
illumination
illumination source
imaging device
support
Prior art date
Application number
PCT/IL2005/000695
Other languages
English (en)
Other versions
WO2006003649A8 (fr
WO2006003649A3 (fr
Inventor
Zvika Gilad
Semion Khait
Original Assignee
Given Imaging Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US10/879,258 external-priority patent/US20060015013A1/en
Priority claimed from US10/879,054 external-priority patent/US8500630B2/en
Application filed by Given Imaging Ltd. filed Critical Given Imaging Ltd.
Priority to JP2007518809A priority Critical patent/JP4980212B2/ja
Publication of WO2006003649A2 publication Critical patent/WO2006003649A2/fr
Publication of WO2006003649A3 publication Critical patent/WO2006003649A3/fr
Priority to IL180262A priority patent/IL180262A/en
Publication of WO2006003649A8 publication Critical patent/WO2006003649A8/fr

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
    • 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
    • A61B1/0605—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 spatially modulated 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
    • A61B1/0623—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 off-axis illumination

Definitions

  • the present invention relates to a device useful for in-vivo imaging, more specifically to a device for providing illumination in-vivo. .
  • Autonomous in-vivo imaging devices such as swallowable capsules or other devices may move through a body lumen, imaging as they move along.
  • In vivo imaging may require in-vivo illumination, for example, using one or more LEDs or other suitable illumination sources positioned inside an in-vivo imaging device. Typically, it is required that the illumination be directed outwards from the device, to the body lumen being imaged.
  • some components within the capsule such as illumination sources, may be arranged on a support such as a board or on several boards, such as on a printed circuit board (PCB). In some cases proper alignment or positioning of components, such as the illumination sources, may not be easily achieved.
  • a support such as a board or on several boards, such as on a printed circuit board (PCB).
  • PCB printed circuit board
  • an in vivo imaging device having an illumination sub system.
  • the illumination sub system may include, for example, a base or support for holding one or more light sources, for example, LEDs or other suitable illumination sources.
  • the support may include a conductive ring and/or other components for holding illumination sources at a selected angle.
  • a support for example a PCB, or a set of supports may form a structure on which illumination sources may be positioned.
  • a set of supports may be designed in the shape of a "top hat" or other suitable structure so as to enable an illumination source positioned on the structure to be facing, for example, outwards, at a selected angle.
  • the support may be manufactured according to several designs, enabling the support to fit into devices of different shapes.
  • the in vivo imaging device may include a one sheet circuit board.
  • the circuit board may include at least one leaf (for example, a tongue shaped component).
  • leaf for example, a tongue shaped component
  • Other numbers of sheets or leaves may be used.
  • a unique shape and various folding options of the leaves may enable folding and positioning of components attached to the flexible circuit board according to, for example, a predefined angle.
  • various components in the device may be disposed on different flexible circuit board sections, for example, on the flexible leaves.
  • the circuit board may be folded and arranged in a stacked vertical fashion.
  • the leaves may be folded in an angle required for the illumination sources mounted on the leaves to provide illumination as needed.
  • a number of illumination sources mounted on the leaves may fold such that outwards panoramic illumination is achieved.
  • circuit board may be mounted on the circuit board and may be folded as necessary.
  • circuit board may be capable of folding according to several designs, enabling the circuit board to fit into devices of different shapes and/or sizes.
  • the device and method of some embodiments of the present invention may enable easy access to key components of the device even after their assembly and incorporation into the system.
  • the device and method of some embodiments of the present invention may enable exact and meticulous assembly, finish and performance while keeping maintenance and costs of the parts at a minimum.
  • embodiments of the present invention may enable assembly of parts to create a variety of shapes.
  • the device according to embodiments of the present invention may be lightweight and flexible, enabling quick transformation and adjustment of shape and function according to the specific needs and requirement of the procedure performed.
  • Fig. 1 shows a schematic illustration of an in-vivo imaging device, according to some embodiments of the present invention
  • Figs. 2A-2D are schematic diagrams of supports and constructions, according to some embodiments of the present invention.
  • Fig. 3A shows a schematic illustration of a flexible circuit board, according to some embodiments of the present invention
  • Fig. 3B schematically illustrates possible folding of the flexible circuit board according to one embodiment of the present invention
  • Fig. 4 is a flow chart of a method of illuminating a body lumen in accordance with an embodiment of the invention.
  • Fig. 5 is a flow chart of a method of illuminating a body lumen in accordance with another embodiment of the invention.
  • Illumination sources used with embodiments of the present invention may include, for example, Light Emitting Diodes (LEDs), Organic LEDS (OLEDs), incandescent sources, or other suitable light sources that may enable in-vivo illumination, and may include devices providing electromagnetic radiation within the visible spectrum, outside of the visible spectrum, and further a combination of visible and non-visible electromagnetic radiation.
  • LEDs Light Emitting Diodes
  • OLEDs Organic LEDS
  • incandescent sources or other suitable light sources that may enable in-vivo illumination
  • devices providing electromagnetic radiation within the visible spectrum, outside of the visible spectrum, and further a combination of visible and non-visible electromagnetic radiation.
  • Embodiments of the invention may typically be autonomous and typically self-contained.
  • a device may be a capsule or other unit where all the components are substantially contained within a container or shell, and where the device does not require wires or cables in order to receive power or transmit information, for example.
  • the device may communicate with an external receiving and display system to provide display of data, control, or other functions.
  • Power may be provided, for example, by an internal battery or a wireless receiving system.
  • Other embodiments may have other configurations and capabilities. Components in some cases may be distributed over multiple sites or units and Control information may be received from an external source.
  • Some embodiments of the present invention are directed to a typically swallowable in-vivo device that may be used for recording and transmitting in vivo data, such as, for example, from the entire length of the gastrointestinal (Gl) tract, to a receiving and/or processing unit.
  • Other embodiments need not be swallowable or autonomous, and may have other shapes or configurations.
  • the in vivo device may include an image sensor, however, other sensors may be used.
  • Devices according to embodiments of the present invention may be similar to embodiments described in International Application WO 01/65995 and/or in US Patent Number 5,604,531 , each of which are assigned to the common assignee of the present invention and each of which are hereby incorporated by reference in their entirety.
  • receiving, storage, processing and/or display systems suitable for use with embodiments of the present invention may be similar to embodiments described in WO 01/65995 and/or in US Patent Number 5,604,531.
  • devices, systems, structures, functionalities and methods as described herein may have other configurations, sets of components and processes etc.
  • a device, system and method in accordance with some embodiments of the invention may be used, for example, in a human body, the invention is not limited in this respect.
  • some embodiments of the invention may be used in conjunction or inserted into a non-human body, e.g., a dog, a cat, a rat, a cow, or other animals, pets, laboratory animals, etc.
  • FIG. 1 is a schematic illustration of an in-vivo imaging device 10 with an illumination sub-system 13, according to some embodiments of the present invention.
  • Device 10 which may be a swallowable capsule, may include, for example, a housing or a housing tube 21 , a power source 11 , a transmitter 12, an imager 14 and possibly a receiver 19.
  • illumination sub-system 13 may include for example a base 17, for example, a printed circuit board (PCB), board or other suitable support, including one or more illumination sources 15, such as LEDs, OLEDs or other suitable illumination sources.
  • Base 17 may include one or more components, for example, conductive rings, and/or conductive step 16.
  • Base 17 may include illumination sources 15 positioned at a selected angle, for example, an angle larger than 0 and smaller than 180 degrees, relative to the longitudinal axis (L) of the device 10.
  • the imager 14 faces generally in the direction of axis L.
  • the direction of imaging which may be the direction in which the imager is facing, may coincide with an axis (e.g., axis L) of the device 10 and the direction of illumination may be at an angle larger than 0 and smaller than 180 degrees relative to the direction of imaging.
  • the illumination elements may be positioned at an angle of more than 0 and smaller than 90 degrees relative to an axis, e.g., a longitudinal axis, of the device, such that illumination may be at an angle to the direction of imaging.
  • the direction of illumination may be for example the direction in which most of the light of the light source is projected; while light may be projected in an expanding beam or beams, each beam may have a center which may be used to define a direction of illumination.
  • Illumination source 15 may be positioned, for example on base 17 and/or on a conductive ring or conductive step 16 and/or stepped support or substrate (as will be described, for example, with reference to Fig. 2D).
  • a stepped substrate may be or include, for example, a stepped PCB, e.g., a substrate such as a PCB or a set of substrates designed in the shape of a "top hat" or other suitable structure so as to enable an illumination source such as an LED positioned on the structure to be facing outwards at a selected angle.
  • a stepped PCB e.g., a substrate such as a PCB or a set of substrates designed in the shape of a "top hat" or other suitable structure so as to enable an illumination source such as an LED positioned on the structure to be facing outwards at a selected angle.
  • Other designs, components, elements etc. may be used.
  • Other arrangement directions may be chosen, for example, to create different angles of illumination source 15 in order to illuminate, for example, a selected field of view.
  • Other structures may be used in addition to and/or in place of rings, steps, etc.
  • Device 10 as depicted in Fig. 1 and according to one embodiment is generally capsule shaped, and may be easily swallowed and passively passed through the entire Gl tract, pushed along, for example, by natural peristalsis. Nonetheless, it should be noted that device 10 may be of any shape and size suitable for being inserted into and passing through a body lumen or cavity, such as spherical, oval, cylindrical, etc. or other suitable shapes. Furthermore, device 10 or various embodiments that may include at least some components of device 10 may be attached or affixed on to an instrument that is inserted into body lumens and cavities, such as, for example, on an endoscope, laparoscope, needle, catheter etc.
  • device 10 includes a convex window 23.
  • one or more illumination source(s) 15 may be arranged in a ring and may be placed in close proximity to the convex window 23.
  • the structure formed by subsystem 13 according to embodiments of the invention enables the illumination source(s) 15 to be positioned in proximity to a curved window, such as a convex window, and to conform to the shape of the window and/or device, so as to avoid phenomena (such as backscatter) usually associated with illuminating from within a window.
  • grooves or indentations 31 may be formed or cut out of a PCB or other suitable support 30, for holding one or more illumination sources 15, for example, LEDs.
  • angled channels or cutouts in one or more PCBs may be used to hold one or more illumination sources.
  • Conductive pads 32 for example, metal pads, may be placed or molded in grooves 31 , to provide connections for illumination sources.
  • a conductive ring 33 may be connected to pads 32, for example, on the bottom of the PCB or other support 30, to provide conductivity between all the pads, and to provide a base for positioning the illumination sources.
  • Illumination sources 34 may be placed on support 30 with one end 3OA being in contact with conductive ring 33, and another end 3OB being in contact with the backs of grooves 31 , thereby facing an angle determined by the conductive ring and the backs of the grooves. Any suitable angle may be provided for the placement of the illumination sources.
  • Fig. 2C 1 which is a schematic view from the top, illustrates the addition of resistors 35 adjacent to illumination sources 34, according to one embodiment of the invention.
  • a PCB or other substrate with surfaces on two or more planes may be provided.
  • An outer ring 36 in a first plane may be connected to an inner ring 37 which may be of smaller diameter and on a parallel plane to the first plane, for example, being higher and narrower than outer ring 36.
  • Conductive pads 32 may be placed on both outer ring 36 and inner ring 37, enabling illumination sources 34 to be placed at an angle, leaning on both the outer ring 36 and inner ring 37.
  • any suitable angle may be provided for the placement of the illumination sources.
  • any suitable number of PCB planes may be used.
  • a support including ceramic may be used as a base on which to place illumination sources. Ceramic may be provided with grooves and pads for the placement of light sources. In one embodiment a ceramic cone may be provided, such that light sources placed therein may transmit light at an angle created by the slope of the cone shaped ceramic.
  • Fig. 3A showing an exemplary embodiment of a one sheet flexible circuit board 310 in its spread out form, before it is folded and inserted into an in-vivo device, for example, a capsule, according to an embodiment of the invention.
  • the flexible circuit board 310 may be a printed circuit board (PCB) made of, for example, silicone or plastic. Other suitable materials may be used.
  • PCB printed circuit board
  • flexible circuit board 310 may include one or more battery contacts 312, for example, placed at each end, and one or more (e.g., two) wider portions 314 and 316, connected to one another by means of a narrowed flexible circuit board strip 318.
  • a portion or section of the circuit board may have a set of components mounted or disposed upon it.
  • portion 316 of the circuit board may include components such as a switch 334, a transmitter, processor or controller such as an ASIC (Application Specific Integrated Circuit) 336, a silicon timer 322 and an antenna 332, while the other portion 314 of the circuit board 310 may have an imaging system, for example, for obtaining images from inside a body lumen, mounted upon it.
  • ASIC Application Specific Integrated Circuit
  • the imaging system may include one or more illumination units 309, an image sensor such as an imaging camera 315 and for example one or more capacitors 317.
  • the illumination unit 309 may include one or more illumination sources 313, such as white LEDs and or OLEDs, and one or more resistors 319.
  • the circuit board components may be arranged on one side of the circuit board 310, enabling comfortable accessibility during a device production process. In alternate embodiments, other components layouts may be arranged on a flexible circuit board with a different shape.
  • flexible leaves 342 and 340 may be formed, respectively, of the circuit board portions 314 and 316, including different components.
  • flexible leaves 340 protruding from flexible portion 316 may comprise for example test points 341
  • flexible leaves 342 protruding from flexible circuit board 314 may include one or more illumination units 309.
  • Each illumination unit 309 may comprise, for example, at least one illumination source 313 and resistors 319.
  • Flexible leaves 342 protruding from portion 314 may be folded inwards at a required angle.
  • the angle of the folded flexible leaves 342 may follow the angle or shape of the imaging device housing tube 21 (as will be described, for example, with reference to Fig. 3B).
  • the shape and proportions of the device housing may determine the exact angle in which each flexible leaf 342 will fold upon insertion of the circuit board.
  • the angles thus created enable the illumination units 313, mounted on the leaves 342, to create the specific field and angle of illumination required.
  • flexible leaves 340 protruding from portion 316 may also be folded inwards at a required angle when the flexible circuit board 310 is inserted, for example, into the imaging device housing tube 21.
  • a flexible circuit board 310 length in its spread out form may be equal to or less than for example about 36.5 mm (measured between the centers of battery contacts 312) while the circuit board 310 breadth may be for example about 13mm (measured between the edges of flexible portions 314 and 316).
  • Such a flexible circuit board may be suitable for use in a device that is about 20-30mm long.
  • Flexible circuit boards and micro technology according to embodiments of the invention may be similar to flexible boards produced by Al-tech of Petach-Tikva, Israel. Other dimensions or sizes may be used.
  • Fig. 3B showing an exemplary embodiment of a flexible circuit board 350 shape after it has been folded and inserted into an in vivo device, for example, a capsule.
  • in-vivo devices may house embodiments of the invention, and devices may be used having other configurations (e.g., spherical, rounded, an endoscope, etc.).
  • flexible circuit board portions 314 and 316 may be folded upon insertion so that they are facing each other resulting in for example a "C" shape.
  • antenna 332 and an imaging device such as imaging camera 315 are facing outwards while battery contacts 312 are folded under flexible portions 314 and 316 which may, according to some embodiments, having rigid portions 324 and 326 attached to them, for example, so that contact may be made with a set of batteries which may be sandwiched between circuit board portions 316 and 314.
  • flexible leaves 342 holding illumination sources 313 and resistors 319 may, for example bend in a range of degrees upon inserting the flexible circuit board into a device housing, such as housing tube 21 , so as to enable, for example, an outwards illumination at different angles.
  • the illumination angle may be determined by for example the housing or housing tube shape.
  • test points 341 placed on flexible leaves 340 may be folded inwards so as to allow a better space utilization in a device.
  • various components may be sandwiched between or otherwise disposed between circuit board portions.
  • the folding of the leaves 340 upon which the test points 341 are mounted may enable preservation of the test points without wasting any valuable space. This method of preserving the test points instead of cutting and removing them, prior to packaging the circuit board into a device, may save time and may reduce the chance of a short circuit.
  • the flexible circuit board 350 offers little manufacturing and assembly hindrances such as delicate and expensive welding of parts, sophisticated manufacturing protocols etc. Different arrangements may determine the exact folding of the flexible circuit board and components, enabling different angles and scopes of, for example, illumination and camera rotation. Different folding options of the flexible circuit board may free up more space in accordance with the number of mounted and loose components that need to be housed within a device shell.
  • the flexible circuit board may be incorporated into a device such as a panoramic field of view imaging device, for example, as shown schematically in Fig. 1.
  • a device such as a panoramic field of view imaging device, for example, as shown schematically in Fig. 1.
  • Other suitable imaging or sensing devices, including or not including panoramic viewing, may be used with embodiments of the present invention.
  • illumination sources 15 may be placed or mounted on flexible circuit board leaves slanted outward in relation to the plane of an image sensor 106.
  • the flexible circuit board leaves may be part of a flexible circuit board.
  • a method for in-vivo illumination may include, providing, in an in vivo imaging device, an illumination source at an angle (410), for example between 0-90 degrees.
  • the angle may be relative to the direction of imaging.
  • the angle may be relative to a longitudinal axis of the device.
  • the angle is typically less than 90 degrees, to the direction of imaging, which may coincide, for example, with an axis of the imaging device.
  • a body lumen may be illuminated, and in block 430 images of the body lumen may be obtained.
  • Embodiments of the invention may achieve a broad field-of-view, by using, for example, a panoramic imaging device which includes a reflective element, for example, a curved or other suitably shaped mirror, to capture a panoramic image.
  • a segment of the outside wall of the panoramic imaging device may be partially or entirely transparent.
  • the illumination in a panoramic imaging device may be provided by angled illuminations sources, according to an embodiment of the invention.
  • An in-vivo lumen may be illuminated using the light source, which may be enabled to provide light at a wide angled.
  • the method according to one embodiment may be implemented using other in-vivo devices having other suitable structures. Any combination of the above steps may be implemented. Further, other steps or series of steps may be used.
  • the method may include providing an illumination source on a flexible support (510) and inserting the support into a housing tube of an in vivo device (520).
  • the support will assume the shape of the device housing.
  • an illumination source provided on a flexible support may be, upon insertion into a device housing, placed against a transparent section of the housing (e.g., an optical window), typically at an angle that is dictated by the shape of the housing, thus enabling illumination of an area out side of the device, for any shape of device.
  • the support may include additional components of the device.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)

Abstract

L'invention concerne un dispositif d'imagerie in vivo ayant un anneau conducteur et/ou un support, par exemple une carte de circuit souple et/ou un support à deux plans. Grâce à l'anneau conducteur et/ou au support, on peut plier des composants fixés à la carte de circuit souple suivant un angle prédéfini. Le dispositif d'imagerie in vivo peut avoir une direction d'éclairage présentant un angle par rapport à un axe longitudinal de ce dispositif.
PCT/IL2005/000695 2004-06-30 2005-06-30 Dispositif et procede d'eclairage in vivo WO2006003649A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007518809A JP4980212B2 (ja) 2004-06-30 2005-06-30 生体内イメージング装置およびそれを組み立てる方法
IL180262A IL180262A (en) 2004-06-30 2006-12-21 In vitro illumination device and method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/879,054 2004-06-30
US10/879,258 US20060015013A1 (en) 2004-06-30 2004-06-30 Device and method for in vivo illumination
US10/879,054 US8500630B2 (en) 2004-06-30 2004-06-30 In vivo device with flexible circuit board and method for assembly thereof
US10/879,258 2004-06-30

Publications (3)

Publication Number Publication Date
WO2006003649A2 true WO2006003649A2 (fr) 2006-01-12
WO2006003649A3 WO2006003649A3 (fr) 2006-02-09
WO2006003649A8 WO2006003649A8 (fr) 2007-07-12

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Application Number Title Priority Date Filing Date
PCT/IL2005/000695 WO2006003649A2 (fr) 2004-06-30 2005-06-30 Dispositif et procede d'eclairage in vivo

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JP (1) JP4980212B2 (fr)
WO (1) WO2006003649A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009061097A (ja) * 2007-09-06 2009-03-26 Olympus Medical Systems Corp カプセル内視鏡

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9651231B2 (en) * 2012-10-04 2017-05-16 Guardian Industries Corp. Laminated LED array and/or products including the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030171653A1 (en) * 2002-03-08 2003-09-11 Takeshi Yokoi Capsule endoscope

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3957271B2 (ja) * 2002-01-22 2007-08-15 オリンパス株式会社 カプセル型医療装置
JP2004275542A (ja) * 2003-03-17 2004-10-07 Olympus Corp カプセル型内視鏡

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030171653A1 (en) * 2002-03-08 2003-09-11 Takeshi Yokoi Capsule endoscope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009061097A (ja) * 2007-09-06 2009-03-26 Olympus Medical Systems Corp カプセル内視鏡

Also Published As

Publication number Publication date
WO2006003649A8 (fr) 2007-07-12
JP2008504859A (ja) 2008-02-21
WO2006003649A3 (fr) 2006-02-09
JP4980212B2 (ja) 2012-07-18

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