WO2016157416A1 - Endoscope, dispositif adaptable pour endoscope, et système d'endoscope - Google Patents

Endoscope, dispositif adaptable pour endoscope, et système d'endoscope Download PDF

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Publication number
WO2016157416A1
WO2016157416A1 PCT/JP2015/060152 JP2015060152W WO2016157416A1 WO 2016157416 A1 WO2016157416 A1 WO 2016157416A1 JP 2015060152 W JP2015060152 W JP 2015060152W WO 2016157416 A1 WO2016157416 A1 WO 2016157416A1
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WO
WIPO (PCT)
Prior art keywords
light
endoscope
lens barrel
connector
light guide
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Application number
PCT/JP2015/060152
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English (en)
Japanese (ja)
Inventor
充彦 池渕
中川　貴雄
Original Assignee
公立大学法人大阪市立大学
株式会社ウェルマー
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
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Application filed by 公立大学法人大阪市立大学, 株式会社ウェルマー filed Critical 公立大学法人大阪市立大学
Priority to JP2017508929A priority Critical patent/JPWO2016157416A1/ja
Priority to PCT/JP2015/060152 priority patent/WO2016157416A1/fr
Publication of WO2016157416A1 publication Critical patent/WO2016157416A1/fr

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    • 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
    • A61B1/06—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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/26—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes using light guides

Definitions

  • the present invention relates to an endoscope, an attachment for an endoscope, and an endoscope system.
  • a joint disease such as wear of the sliding surface of the joint, formation of osteophytes, rupture of the ligament
  • observing the affected area is extremely useful for ensuring the accuracy of the treatment.
  • an endoscope as disclosed in Patent Document 1 As an apparatus for observing an affected part in the body, for example, an endoscope as disclosed in Patent Document 1 is disclosed.
  • the endoscope described in Patent Literature 1 is connected to a light source device via a universal cord.
  • the endoscope described in Patent Document 1 has a configuration in which the light source device includes two halogen lamps, and switches to a spare halogen lamp when the lamp is burned out.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide an endoscope, an endoscope attachment, and an endoscope system that can suppress attenuation of irradiation light for irradiating an observation object. It is to provide.
  • An endoscope is an endoscope for observing an observation object, and includes a light source that emits irradiation light for irradiating the observation object, the irradiation light, and reflected light from the observation object.
  • a guide tube that guides the lens barrel to the observation object, a connector to which the lens barrel and the guide tube are attached, and a connector receiver to which the connector is detachable, and the light source Is installed in the connector receiver.
  • the connector is provided with an imaging lens that forms an image of the reflected light transmitted by the lens barrel.
  • an imaging unit that images the observation object based on the reflected light via the lens barrel is further provided, and the imaging unit is installed inside the connector receiver.
  • the apparatus further includes a communication unit that is provided in the connector receiver and communicates with the information processing apparatus.
  • the guide tube is an injection needle.
  • the diameter of the injection needle is 0.6 mm or more and 1.2 mm or less.
  • the protrusion length adjustment part comprised so that the state which the front-end
  • connection cable connected to the connector and supplying power to the light source is further provided.
  • the lens barrel includes a light guide, and the light guide is provided adjacent to the light source, and transmits the reflected light and an irradiation light guide member that transmits the irradiation light.
  • a reflected light guide member is provided adjacent to the light source, and transmits the reflected light and an irradiation light guide member that transmits the irradiation light.
  • the lens barrel has a light guide section, and the light guide section has one light guide member that transmits the reflected light and the irradiation light.
  • a light guide plate that is provided in the connector and guides light from the light source to the light guide unit is further provided.
  • the apparatus further includes an imaging unit that images the observation object based on the reflected light through the lens barrel, and is provided on the connector receiver, transmits light incident from one side and enters from the other side.
  • a first optical system that reflects light; and a second optical system that is provided on the connector receiver and reflects light.
  • the first optical system is linear between the light guide and the light source.
  • the second optical system is arranged so as to reflect the light reflected by the first optical system to the imaging unit.
  • the apparatus further includes an imaging unit that images the observation object based on the reflected light through the lens barrel, and is provided on the connector receiver, transmits light incident from one side and enters from the other side.
  • a first optical system that reflects light; and a second optical system that is provided in the connector receiver and reflects light.
  • the first optical system is a straight line between the light guide unit and the imaging unit.
  • the second optical system is arranged to reflect light from the light source to the first optical system.
  • the light source in a state where the connector is mounted on the connector receiver, the light source is disposed adjacent to an end of the lens barrel.
  • An endoscope attachment is provided in an endoscope for observing an observation object, and a lens barrel that transmits irradiation light for irradiating the observation object and reflected light from the observation object;
  • a guide tube that guides the lens barrel to the observation object, and a connector to which the lens barrel and the guide tube are attached, the lens barrel having a light guide, and the light guide is It has one light guide member that transmits the reflected light and the irradiation light.
  • a light guide plate that is provided in the connector and guides the irradiation light to the light guide unit is further provided.
  • An endoscope system includes an endoscope that observes an observation object, and an information processing device that processes information acquired by the endoscope, and the endoscope uses the observation object.
  • a light source that emits irradiation light for irradiation, a lens barrel that transmits the irradiation light and reflected light from the observation object, a guide tube that guides the lens barrel to the observation object, the lens barrel, and the A connector to which a guide tube is attached and a connector receiver to which the connector is detachable are provided, and the light source is installed in the connector receiver.
  • Attenuation of irradiation light for irradiating an observation object can be suppressed.
  • FIG. 1 is an overall configuration diagram of an endoscope system including an endoscope according to a first embodiment of the present invention. It is sectional drawing of the endoscope shown by FIG. FIG. 3 is a cross-sectional view taken along line III-III shown in FIG. 2. It is a whole block diagram of the endoscope system provided with the endoscope which concerns on 2nd Embodiment of this invention. It is sectional drawing of the endoscope which concerns on 2nd Embodiment of this invention. It is sectional drawing of the connection member of the endoscope which concerns on 2nd Embodiment of this invention. It is sectional drawing of the endoscope which concerns on 3rd Embodiment of this invention.
  • FIG. 1 is an overall configuration diagram of an endoscope system 1 including an endoscope 10 according to a first embodiment of the present invention
  • FIG. 2 is a cross-sectional view of the endoscope 10 shown in FIG.
  • the endoscope system 1 shown in FIG. 1 observes a joint disease (hereinafter referred to as “affected part” due to wear of the sliding surface of the joint, formation of osteophytes, ligament tearing, etc.) as an observation object.
  • the endoscope system 1 includes an endoscope 10 and an information processing device 200.
  • the information processing apparatus 200 is connected to the endoscope 10 via the connection cable 100.
  • the information processing apparatus 200 is a personal computer, for example.
  • the information processing apparatus 200 controls an electrical signal transmitted from a CMOS (Complementary Metal Oxide Semiconductor) camera 90 (see FIG. 2) installed in a connector receiver 60 described later to affect the affected part on the monitor of the information processing apparatus 200. Project the video.
  • CMOS Complementary Metal Oxide Semiconductor
  • the endoscope 10 includes a light source 130, an injection needle 20 as a guide tube, a lens barrel 30, a connection tool 40, and a connection cable 100.
  • the injection needle 20 has a function of being inserted into the joint and guiding the lens barrel 30 to the affected area.
  • the injection needle 20 has a cylindrical shape with a diameter of 1.2 mm, and the tip portion is cut obliquely with respect to the axial direction to form a piercing portion 21.
  • the rear end portion of the injection needle 20 is fixed to a connector 50 (details will be described later) of the connector 40.
  • the injection needle 20 may be slidable or removable.
  • the injection needle 20 Since the injection needle 20 is thin, the patient rarely feels pain when inserting the injection needle 20 into the patient's body, and patient anesthesia is not required when inserting the injection needle 20 into the patient's body. In addition, since it is not necessary to suture a wound generated by the injection needle 20, the endoscope 10 can be used even in a clinic having no operating room. Further, since it is not necessary to suture the wound generated by the injection needle 20, it is extremely useful to use the endoscope 10 for regenerative medicine. In particular, it is preferably used for treatment or examination in regenerative medicine. In order for the endoscope 10 to exhibit such operational effects, the diameter of the injection needle 20 is preferably about 0.6 mm to 1.2 mm.
  • the lens barrel 30 has a function of transmitting irradiation light for irradiating the affected part emitted from the light source 130 and a function of transmitting reflected light from the affected part.
  • the lens barrel 30 is fixed to the connector 50 in a state in which the tip portion protrudes from the piercing portion 21 of the injection needle 20.
  • An objective lens 31 is provided on the distal end surface of the lens barrel 30.
  • the rear end portion of the lens barrel 30 is expanded in diameter to form a connecting portion 32.
  • the lens barrel 30 has a light guide 35.
  • the light guide 35 includes an irradiation light guide member 33 and a reflected light guide member 34. The detailed structure inside the lens barrel 30 will be described later.
  • the light source 130 emits irradiation light for irradiating the affected area.
  • the light source 130 is, for example, a white LED.
  • the light source 130 is installed in the connector receiver 60. In a state where the connector 50 is attached to the connector receiver 60, the light source 130 is disposed adjacent to the end portion 37 of the lens barrel 30. Specifically, the light source 130 is installed so that its axis is aligned with the irradiation light guide member 33. The light source 130 is attached to the housing of the connector receiver 60. The light source 130 can adjust the amount of light.
  • connection tool 40 also serves as a gripping part that the user grips when using the endoscope 10.
  • the connection tool 40 includes a connector 50 and a connector receiver 60.
  • the connector 50 has a bottomed cylindrical shape, and the injection needle 20 is fixed to the tip of the connector 50.
  • the injection needle 20 may be slidable or removable.
  • a connecting portion 32 of the lens barrel 30 is fixed inside the connector 50.
  • An imaging lens 70 is installed on the rear end side inside the connector 50.
  • the connector 50, the injection needle 20 and the lens barrel 30 constitute the endoscope attachment AT of the present invention.
  • the connector receiver 60 has a cylindrical shape and is attached to one end of the connection cable 100.
  • the rear end portion of the connector 50 is detachably coupled to the distal end portion of the connector receiver 60 via an appropriate coupling structure such as screwing or fitting.
  • a CMOS camera 90 as an imaging unit is installed inside the connector receiver 60.
  • the CMOS camera 90 forms an image of reflected light from the affected part incident through the lens barrel 30 and the imaging lens 70 on the light receiving surface, and converts the obtained optical image into an electrical signal.
  • the connection cable 100 has a function of transmitting an electrical signal generated by the CMOS camera 90.
  • the connection cable 100 is, for example, a USB (Universal Serial Bus) cable.
  • the connection cable 100 includes an electric wire 110 and an electric wire 120.
  • the electric wire 110 transmits an electric signal generated by the CMOS camera 90.
  • the electric wire 120 supplies power to the light source 130.
  • the light source 130 and the CMOS camera 90 are preferably shielded from light so that light from the light source 130 does not enter directly.
  • One end of the electric wire 110 protrudes into the connector receiver 60 and is connected to the CMOS camera 90.
  • the electric wire 110 transmits an electric signal generated by the CMOS camera 90.
  • One end of the electric wire 120 protrudes into the connector receiver 60 and is connected to the light source 130.
  • the electric wire 120 supplies power to the light source 130.
  • FIG. 3 is a cross-sectional view taken along the line III-III shown in FIG.
  • the lens barrel 30 has a light guide 35.
  • the light guide 35 includes an irradiation light guide member 33 and a reflected light guide member 34.
  • the irradiation light guide member 33 is a member in which, for example, about 10,000 optical fibers are bundled.
  • the irradiation light guide member 33 includes a plurality of optical fibers 33a and a covering layer 33b.
  • the optical fiber 33a has a core and a clad.
  • the plurality of optical fibers 33a are covered and bundled by the covering layer 33b.
  • the irradiation light guide member 33 is provided adjacent to the light source 130.
  • the irradiation light guide member 33 transmits light (irradiation light) of the light source 130 (see FIG. 2) irradiated to the affected part.
  • the reflected light guide member 34 is a member in which, for example, about 10,000 optical fibers are bundled.
  • the reflected light guide member 34 includes a plurality of optical fibers 34a and a coating layer 34b.
  • the optical fiber 34a has a core and a clad.
  • the plurality of optical fibers 34a are covered and bundled by a covering layer 34b.
  • the reflected light guide member 34 transmits reflected light from the affected area.
  • the irradiation light light guide member 33 and the reflected light light guide member 34 are branched inside the connecting portion 32 of the lens barrel 30 and extend backward, and the rear end surface of the irradiation light light guide member 33 and the reflected light light guide member 34 is exposed to the rear end surface of the connecting portion 32.
  • the user of the endoscope system 1 holds the connector 40 of the endoscope 10 by hand and pierces the patient's skin with the piercing portion 21 of the injection needle 20.
  • Irradiation light emitted from the light source 130 is transmitted through the irradiation light guide member 33 and irradiated from the distal end of the lens barrel 30 to the affected part of the patient.
  • the light irradiated to the affected part and reflected enters the objective lens 31 attached to the tip of the lens barrel 30.
  • the light incident on the objective lens 31 is emitted from the rear end surface of the connecting portion 32 of the lens barrel 30 through the reflected light guide member 34 of the lens barrel 30. Then, the light emitted from the rear end surface of the connecting portion 32 of the lens barrel 30 enters the CMOS camera 90 via the imaging lens 70.
  • the reflected light from the affected part incident on the CMOS camera 90 forms an image on the light receiving surface to form an optical image.
  • the optical image is converted into an electric signal and transmitted to the information processing apparatus 200 via the connection cable 100.
  • the information processing apparatus 200 processes the electrical signal transmitted from the CMOS camera 90 and displays an image of the affected area on the monitor of the information processing apparatus 200.
  • the user of the endoscope system 1 operates the endoscope 10 while observing the image of the affected area displayed on the monitor to observe the affected area.
  • the user After the observation of the affected area, the user removes the connector 50 from the connector receiver 60 and discards it together with the injection needle 20 and the lens barrel 30.
  • the endoscope 10 includes the light source 130 in the connector receiver 60. Therefore, the distance from the light source 130 to the affected part can be shortened. As a result, it is possible to suppress the irradiation light from being attenuated and the light amount from being reduced. Furthermore, in general, when the light source is provided outside the endoscope, there is a connection portion from the light source to the lens barrel, such as a connection portion from the light source to the connection cable and a connection portion from the connection cable to the optical fiber. There were two places. As a result, the amount of light attenuated at the two connecting portions, and the irradiation light was attenuated and the amount of light was reduced.
  • the connection portion becomes one place of the connection portion from the light source 130 to the optical fiber (light guide portion 35), and attenuation of the light amount can be suppressed. .
  • the light source 130 is installed in the connector receiver 60. Therefore, since no light source is required outside, the space of the endoscope system 1 can be omitted.
  • the light source 130 is a white LED. Therefore, heat generation can be significantly suppressed as compared with the halogen lamp.
  • the endoscope attachment AT including the connector 50, the injection needle 20 and the lens barrel 30 as a disposable unit, sterilization (sterilization) after use of the endoscope 10 is eliminated. In addition, cleaning after use of the endoscope 10 is facilitated, and labor for continuously using the endoscope 10 is reduced.
  • the light source 130 is disposed adjacent to the end portion 37 of the lens barrel 30. Therefore, attenuation of the light quantity can be suppressed. Further, since the light source 130 and the lens barrel 30 are not connected by an optical fiber, the endoscope attachment AT can be removed from the connector receiver 60.
  • the endoscope 10 it is possible to easily and quickly make a diagnosis by direct visual observation of the affected area, not by an image obtained indirectly such as X-ray imaging or MRI (Magnetic Resonance Imaging).
  • FIG. 4 is an overall configuration diagram of an endoscope system 1 including an endoscope 10 according to the second embodiment of the present invention
  • FIG. 5 is a cross-sectional view of the endoscope 10 according to the second embodiment of the present invention.
  • FIG. 6 is a cross-sectional view of the connection member 800 of the endoscope 10 according to the second embodiment of the present invention.
  • the second embodiment is different from the first embodiment in that the CMOS camera 90 is outside the connector receiver 60.
  • symbol is used for the part corresponding to 1st Embodiment, and the overlapping description is abbreviate
  • the endoscope 10 includes a light source 130, an injection needle 20, a lens barrel 30, a connection tool 40, a connection cable 100, a connection unit 101, and an electric cable 300.
  • CMOS camera 90 that images the affected area via the lens barrel 30 is installed outside the connection tool 40, and the CMOS camera 90 receives reflected light from the affected area via the connection cable 100. Receive light.
  • an objective lens 80 is installed inside the connector receiver 60.
  • a rod-shaped light guide member 140 extending from one end of the connection cable 100 toward the objective lens 80 is provided.
  • the light guide member 140 is formed of an optical fiber. Reflected light from the affected area enters the front end surface of the light guide member 140 via the objective lens 80.
  • connection member 800 is fixed to the connection portion 101 at the other end of the connection cable 100.
  • An imaging lens 85 and a CMOS camera 90 are installed inside the connection member 800.
  • the reflected light of the affected part incident on one end of the light guide member 140 is emitted from the rear end surface of the connection part 101 of the connection cable 100, enters the imaging lens 85, and is guided to the CMOS camera 90.
  • Other configurations of the present embodiment are the same as those of the first embodiment.
  • connection tool 40 can be made lighter and more compact than the endoscope 10 of the first embodiment, and the operability is improved. Has the advantage of
  • FIG. 7 is a cross-sectional view of the endoscope 10 according to the third embodiment of the present invention.
  • the third embodiment differs from the second embodiment in that the imaging lens 70 is installed inside the connector receiver 60. Note that in the third embodiment, the same reference numerals are used for portions corresponding to those in the first embodiment and the second embodiment, and redundant description is omitted.
  • the imaging lens 70 is installed inside the connector receiver 60.
  • the imaging lens 70 forms an image of the reflected light from the affected part transmitted by the lens barrel 30.
  • Other configurations of the present embodiment are the same as those of the second embodiment.
  • the endoscope attachment AT is inexpensive, and there is an advantage that the running cost is reduced.
  • FIG. 8 is a cross-sectional view of the endoscope 10 according to the fourth embodiment of the present invention, and shows a state in which the distal end portion of the lens barrel 30 protrudes from the injection needle 20.
  • FIG. 9 is a cross-sectional view of the endoscope 10 according to the fourth embodiment of the present invention, and shows a state where the distal end portion of the lens barrel 30 is housed in the injection needle 20.
  • the fourth embodiment is different from the third embodiment in that the endoscope 10 includes a protrusion length adjusting unit.
  • symbol is used for the part corresponding to 1st Embodiment, 2nd Embodiment, and 3rd Embodiment, and the overlapping description is abbreviate
  • the connector 50 is rotatably attached to the connector receiver 60 via the screw portions 51 and 61.
  • the protruding length of the connector 50 from the connector receiver 60 changes.
  • An engagement groove 52 is provided over the entire inner circumference of the connector 50.
  • an engagement protrusion 32 a that protrudes radially outward is provided on the coupling portion 32 of the lens barrel 30, and the engagement protrusion 32 a is slidably engaged with the engagement groove 52.
  • the connecting portion 32 is removably fitted in a hole (not shown) formed in the connector receiver 60, and the lens barrel 30 does not rotate.
  • the engagement protrusion 32a, the screw portions 51 and 61, and the engagement groove 52 constitute a protrusion length adjusting portion.
  • Other configurations of the present embodiment are the same as those of the third embodiment.
  • the tip of the lens barrel 30 is stored in the injection needle 20 so that the injection needle 20 can be smoothly inserted into the patient's skin. Can do. Moreover, the affected part can be observed without trouble by rotating the connector 50 after the injection needle 20 has been stabbed into the patient's body and causing the tip of the lens barrel 30 to protrude from the injection needle 20.
  • the lens barrel 30 moves together with the connector 50, and the lens barrel 30 is connected to the connector 50. Together with the connector receiver 60.
  • the endoscope 10 in which the CMOS camera 90 is not provided in the connector receiver 60 will be described with respect to a mode in which the protruding length adjusting portion adjusts the protruding length of the distal end portion of the lens barrel 30.
  • the present invention can be applied to the endoscope 10 in which the CMOS camera 90 is provided in the connector receiver 60 as in the endoscope 10 according to the first embodiment.
  • FIG. 10 is a cross-sectional view of the endoscope 10 according to the fifth embodiment of the present invention
  • FIG. 11 is a perspective view of the light guide plate 160.
  • the fifth embodiment differs from the first embodiment in that only the light guide member 36 is provided as the light guide 35 and that the endoscope 10 includes a light guide plate 160. Note that in the fifth embodiment, the same reference numerals are used for portions corresponding to those in the first to fourth embodiments, and a duplicate description is omitted.
  • the light guide 35 has two light guide members (the irradiation light guide member 33 and the reflected light guide member 34). 35 has one light guide member 36.
  • the endoscope 10 further includes a light guide plate 160.
  • the light guide plate 160 is provided in the connector 50.
  • the light guide plate 160 has a mortar shape.
  • the light guide plate 160 has an opening area that decreases as it approaches the light guide unit 35 from the light source 130.
  • the imaging lens 70 is provided in the opening of the light guide plate 160 so as to face the CMOS camera 90.
  • the light guide plate 160 guides light from the light source 130 to the light guide unit 35. Specifically, the irradiation light emitted from the light source 130 is guided to the light guide unit 35 by being reflected on the inner peripheral surface of the light guide plate 160. The irradiation light is transmitted through the light guide member 36 and is irradiated from the distal end portion of the lens barrel 30 to the affected part of the patient.
  • the light irradiated and reflected on the affected part is incident on the objective lens 31 attached to the tip of the lens barrel 30.
  • the light that has entered the objective lens 31 is transmitted through the light guide member 36 of the lens barrel 30 and enters the CMOS camera 90 through the imaging lens 70.
  • the light guide member 36 transmits the irradiation light for irradiating the affected area and the reflected light from the affected area. Therefore, the light guide 35 has only the light guide member 36 as the light guide 35. As a result, the tip end side of the lens barrel 30 can be thinned.
  • FIG. 12 is a cross-sectional view of the endoscope 10 according to the sixth embodiment of the present invention.
  • the sixth embodiment is different from the fifth embodiment in that a first optical system 172 and a second optical system 174 are provided instead of the light guide plate 160. Note that in the sixth embodiment, the same reference numerals are used for portions corresponding to the first to fifth embodiments, and a duplicate description is omitted.
  • the endoscope 10 further includes a first optical system 172 and a second optical system 174.
  • the first optical system 172 and the second optical system 174 are mirrors.
  • the first optical system 172 and the second optical system 174 may be lenses, or may include a mirror and a lens.
  • the first optical system 172 is provided in the connector receiver 60.
  • the first optical system 172 is arranged in a straight line between the light guide unit 35 and the light source 130.
  • the first optical system 172 transmits light incident from one side and reflects light incident from the other side.
  • light incident on the first optical system 172 from the light source 130 is transmitted through the first optical system 172, and light incident on the first optical system 172 from the light guide member 36 is reflected on the first optical system 172. .
  • the second optical system 174 is disposed so as to reflect the light reflected by the first optical system 172 to the CMOS camera 90.
  • the irradiation light emitted from the light source 130 passes through the first optical system 172 and enters the light guide member 36.
  • the light incident on the light guide member 36 is transmitted by the light guide member 36 and irradiated from the distal end portion of the lens barrel 30 to the affected part of the patient.
  • the light irradiated to the affected part and reflected enters the objective lens 31 attached to the tip of the lens barrel 30.
  • the light incident on the objective lens 31 is transmitted again by the light guide member 36 and is incident on the first optical system 172.
  • the light that has entered the first optical system 172 is reflected by the first optical system 172 and enters the second optical system 174.
  • the light incident on the second optical system 174 is reflected on the second optical system 174 and enters the CMOS camera 90 via the imaging lens 70.
  • the illumination light from the light source 130 passes through the first optical system 172 and enters the light guide member 36.
  • the reflected light from the affected part is reflected by the first optical system 172 and the second optical system 174 and enters the CMOS camera 90. Therefore, illumination light and reflected light can be transmitted by one light guide member 36. As a result, the tip end side of the lens barrel 30 can be thinned.
  • FIG. 13 is a cross-sectional view of the endoscope 10 according to the seventh embodiment of the present invention.
  • the seventh embodiment differs from the sixth embodiment in that the positions of the light source 130 and the CMOS camera 90 are different. Note that in the seventh embodiment, the same reference numerals are used for portions corresponding to those in the first to sixth embodiments, and a duplicate description is omitted.
  • the first optical system 172 is provided in the connector receiver 60.
  • the first optical system 172 is arranged in a straight line between the light guide 35 and the CMOS camera 90.
  • the first optical system 172 transmits light incident from one side and reflects light incident from the other side.
  • the light incident on the first optical system 172 from the light guide member 36 is transmitted through the first optical system 172, and the light incident on the first optical system 172 from the second optical system 174 is the first optical system 172. Reflected in.
  • the second optical system 174 is disposed so as to reflect the light reflected by the first optical system 172 to the CMOS camera 90.
  • the irradiation light emitted from the light source 130 is reflected by the second optical system 174 and the first optical system 172 and enters the light guide member 36.
  • the light incident on the light guide member 36 is transmitted by the light guide member 36 and irradiated from the distal end portion of the lens barrel 30 to the affected part of the patient.
  • the light irradiated to the affected part and reflected enters the objective lens 31 attached to the tip of the lens barrel 30.
  • the light incident on the objective lens 31 is transmitted again by the light guide member 36 and is incident on the first optical system 172.
  • the light incident on the first optical system 172 passes through the first optical system 172 and enters the CMOS camera 90 via the imaging lens 70.
  • the illumination light from the light source 130 is reflected by the second optical system 174 and the first optical system 172 and is incident on the light guide member 36.
  • the reflected light from the affected part passes through the first optical system 172 and enters the CMOS camera 90. Therefore, illumination light and reflected light can be transmitted by one light guide member 36. As a result, the tip end side of the lens barrel 30 can be thinned.
  • FIGS. 14 is a cross-sectional view taken along line XIV-XIV shown in FIG.
  • FIG. 15 is a cross-sectional view of the light guide 35.
  • the lens barrel 30 has a light guide 35.
  • the light guide 35 includes a light guide member 36.
  • the light guide member 36 includes a plurality of optical fibers 36a and a covering layer 36b.
  • the optical fiber 36a has a core and a clad.
  • the plurality of optical fibers 36a are covered and bundled by a coating layer 36b.
  • the light guide 35 includes an irradiation light guide member 33 and a reflected light guide member 34.
  • the irradiation light light guide member 33 and the reflected light light guide member 34 are disposed on the center side of the lens barrel 30, and the irradiation light light guide member 33 is disposed on the outer peripheral side of the lens barrel 30 with respect to the reflected light light guide member 34.
  • the irradiation light guide member 33 and the reflected light guide member 34 may be arranged coaxially.
  • FIG. 16 is an overall configuration diagram of an endoscope system 1 including an endoscope 10 according to an eighth embodiment of the present invention
  • FIG. 17 is a cross-sectional view of the endoscope 10 according to an eighth embodiment of the present invention. It is.
  • the eighth embodiment differs from the first embodiment in that the endoscope 10 includes a power supply unit 180 and a communication unit 190. Note that, in the eighth embodiment, the same reference numerals are used for portions corresponding to those in the first to seventh embodiments, and a duplicate description is omitted.
  • the endoscope 10 does not include a connection cable.
  • the endoscope 10 transmits an electrical signal generated by the CMOS camera 90 to the information processing apparatus 200 by wireless communication.
  • the endoscope 10 further includes a power supply unit 180 and a communication unit 190.
  • the power supply unit 180 is provided in the connector receiver 60.
  • the power supply unit 180 is, for example, a battery.
  • the power supply unit 180 supplies power to the light source 130.
  • the communication unit 190 is provided in the connector receiver 60.
  • the communication unit 190 communicates with the information processing apparatus 200.
  • the endoscope 10 transmits an electrical signal generated by the CMOS camera 90 to the information processing apparatus 200 by wireless communication. Therefore, since no connection cable is required, there is no possibility that a person will be caught by the connection cable and the connection cable will come off.
  • FIGS. 1 to 17 The embodiments of the present invention have been described above with reference to the drawings (FIGS. 1 to 17). However, the present invention is not limited to the above-described embodiment, and can be implemented in various modes without departing from the gist thereof (for example, (1) to (6) shown below).
  • the drawings schematically show each component as a main component, and the thickness, length, number, and the like of each component shown in the drawings are different from the actual for convenience of drawing. .
  • the material, shape, dimensions, and the like of each component shown in the above embodiment are merely examples, and are not particularly limited, and various changes can be made without departing from the effects of the present invention. is there.
  • the present invention covers an endoscope (for example, an esophageal endoscope, an abdominal endoscope, a spinal cord endoscope) that has a portion other than a joint as an object to be inspected, and various structures (for example, factory pipes).
  • the present invention can also be applied to an endoscope as an endoscope.
  • CMOS camera is used as the imaging unit, but an imaging unit other than a CMOS camera (for example, a CCD (Charge Coupled Device) camera) may be used.
  • CCD Charge Coupled Device
  • the injection needle 20 is used as a guide tube for guiding the lens barrel 30, but other tubular members (for example, a resin tube or the like) may be used as the guide tube. .
  • the light source 130 has one white LED, but the light source 130 may have a plurality of white LEDs.
  • the light source 130 is a white LED, but may be a red LED, a blue LED, and a green LED. Furthermore, the light source 130 may be a combination of a red LED, a blue LED, and a green LED. The color tone can be changed by combining the red LED, the blue LED, and the green LED.
  • the information processing apparatus 200 is a personal computer, but may be a tablet.
  • the present invention relates to an endoscope for observing various parts of a living body, such as a joint endoscope, an esophageal endoscope, an abdominal endoscope, and a spinal cord endoscope, and an endoscope for observing the inside of a structure.
  • a joint endoscope an esophageal endoscope
  • abdominal endoscope an abdominal endoscope
  • spinal cord endoscope an endoscope for observing the inside of a structure.
  • According to the present invention there is no need for sterilization after use at an inexpensive running cost, and there is an advantageous effect that the cleaning labor and storage cost after use are reduced.
  • Endoscope system 10 Endoscope 20 Injection needle (guide tube) 30 Lens tube 31 Objective lens 32 Connecting part 32a Engaging protrusion (projection length adjusting part) 33 Irradiation light guide member 34 Reflected light guide member 35 Light guide portion 36 Light guide member 40 Connector 50 Connector 51 Screw portion (projection length adjustment portion) 52 Engagement groove (projection length adjustment part) 60 Connector receptacle 61 Screw part (projection length adjustment part) 70 Imaging lens 80 Objective lens 85 Imaging lens 90 CMOS camera (imaging part) DESCRIPTION OF SYMBOLS 100 Connection cable 130 Light source 160 Light guide plate 172 1st optical system 174 2nd optical system 180 Power supply part 190 Communication part 200 Information processing apparatus AT Attachment for endoscope

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

Abstract

L'invention concerne un endoscope (10) qui observe un objet à observer, l'endoscope (10) comprenant les éléments suivants : une source de lumière (130) qui émet une lumière d'éclairage pour éclairer l'objet à observer ; un barillet d'objectif (30) qui transmet la lumière d'éclairage et la lumière réfléchie par l'objet à observer ; un tube de guidage (20) qui guide le barillet d'objectif (30) vers l'objet à observer ; un connecteur (50) sur lequel le barillet d'objectif (30) et le tube de guidage (20) sont attachés ; et une douille de connecteur (60) à partir de laquelle le connecteur (50) peut être attaché/détaché. La source de lumière (130) est disposée dans la douille de connecteur (60).
PCT/JP2015/060152 2015-03-31 2015-03-31 Endoscope, dispositif adaptable pour endoscope, et système d'endoscope WO2016157416A1 (fr)

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JP2017508929A JPWO2016157416A1 (ja) 2015-03-31 2015-03-31 内視鏡、内視鏡用アタッチメント及び内視鏡システム
PCT/JP2015/060152 WO2016157416A1 (fr) 2015-03-31 2015-03-31 Endoscope, dispositif adaptable pour endoscope, et système d'endoscope

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020086297A (ja) * 2018-11-29 2020-06-04 株式会社キーエンス 拡大観察装置
JP2021053176A (ja) * 2019-09-30 2021-04-08 日逓テクノ工業株式会社 光プローブ及び光プローブ用先端ユニット

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005342223A (ja) * 2004-06-03 2005-12-15 Olympus Corp 内視鏡システム
JP2012128295A (ja) * 2010-12-17 2012-07-05 Mitsutoyo Corp 光学式測定装置
JP2014132920A (ja) * 2013-01-08 2014-07-24 Osaka City Univ 内視鏡及び内視鏡用アタッチメント

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731761Y2 (ja) * 1990-07-27 1995-07-26 住友電気工業株式会社 関節内視鏡
US8723936B2 (en) * 2002-03-12 2014-05-13 Karl Storz Imaging, Inc. Wireless camera coupling with rotatable coupling
DE102007032202B4 (de) * 2007-07-11 2010-11-25 Schölly Fiberoptic GmbH Endoskop
DE102007032200B4 (de) * 2007-07-11 2010-09-09 Schölly Fiberoptic GmbH Endoskop
FR2922308B1 (fr) * 2007-10-11 2012-03-16 Mauna Kea Technologies Dispositif d'imagerie modulaire, module pour ce dispositif et procede mis en oeuvre par ce dispositif
US20100274081A1 (en) * 2009-04-22 2010-10-28 Tyco Healthcare Group Lp Visual veress needle assembly
JP2011033958A (ja) * 2009-08-05 2011-02-17 Media Technology:Kk 光源装置
JP5841317B2 (ja) * 2010-07-05 2016-01-13 オリンパス株式会社 医療機器
WO2013172005A1 (fr) * 2012-05-17 2013-11-21 パイオニア株式会社 Endoscope

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005342223A (ja) * 2004-06-03 2005-12-15 Olympus Corp 内視鏡システム
JP2012128295A (ja) * 2010-12-17 2012-07-05 Mitsutoyo Corp 光学式測定装置
JP2014132920A (ja) * 2013-01-08 2014-07-24 Osaka City Univ 内視鏡及び内視鏡用アタッチメント

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020086297A (ja) * 2018-11-29 2020-06-04 株式会社キーエンス 拡大観察装置
JP7268993B2 (ja) 2018-11-29 2023-05-08 株式会社キーエンス 拡大観察装置
JP2021053176A (ja) * 2019-09-30 2021-04-08 日逓テクノ工業株式会社 光プローブ及び光プローブ用先端ユニット
JP7462285B2 (ja) 2019-09-30 2024-04-05 日逓テクノ工業株式会社 光プローブ及び光プローブ用先端ユニット

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