[go: up one dir, main page]

WO2013114725A1 - Système optique destiné à un endoscope stéréoscopique - Google Patents

Système optique destiné à un endoscope stéréoscopique Download PDF

Info

Publication number
WO2013114725A1
WO2013114725A1 PCT/JP2012/081575 JP2012081575W WO2013114725A1 WO 2013114725 A1 WO2013114725 A1 WO 2013114725A1 JP 2012081575 W JP2012081575 W JP 2012081575W WO 2013114725 A1 WO2013114725 A1 WO 2013114725A1
Authority
WO
WIPO (PCT)
Prior art keywords
pair
positive lens
lens group
optical system
lens groups
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2012/081575
Other languages
English (en)
Japanese (ja)
Inventor
浪井　泰志
福島　郁俊
光次郎 金野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Olympus Medical Systems Corp
Original Assignee
Olympus Corp
Olympus Medical Systems Corp
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
Application filed by Olympus Corp, Olympus Medical Systems Corp filed Critical Olympus Corp
Publication of WO2013114725A1 publication Critical patent/WO2013114725A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00163—Optical arrangements
    • A61B1/00193—Optical arrangements adapted for stereoscopic vision
    • 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
    • G02B23/2407—Optical details
    • G02B23/2415—Stereoscopic endoscopes

Definitions

  • the present invention relates to a stereoscopic endoscope optical system.
  • a stereoscopic endoscope including an optical system that forms two images having parallax on substantially the same plane is known (see, for example, Patent Document 1 and Patent Document 2).
  • the optical system of Patent Document 1 includes a pair of first group lenses having negative power and an array of second group lenses having two positive powers arranged in order from the object side.
  • the optical system of Patent Document 2 includes two sets of first group lenses having negative power arranged in order from the object side, and one set of second group lenses having positive power.
  • optical systems are arranged so that the optical axis of the first group lens and the optical axis of the second group lens are decentered, so that two light beams incident from the subject to the first group lens with a left-right spacing. While passing through the first group lens and the second group lens, the interval between these two light beams is deflected to form an image on the image pickup surface of the image pickup device that is also arranged side by side.
  • the present invention provides the following means. Aspects of the present invention include a pair of negative lens groups arranged at the distal end of an insertion portion of an endoscope and arranged in order from the object side with respective optical axes spaced from each other on the left and right sides, and the negative lenses. A pair of first positive lens groups disposed coaxially behind the group, a second positive lens group disposed eccentrically with respect to the first positive lens group, and a pair of the first lenses A pair of lens elements disposed between the first positive lens group and the second positive lens group, and deflects the light transmitted through the first positive lens group and makes it incident on the second positive lens group. This is a stereoscopic endoscope optical system including the optical axis deflection member.
  • the two light beams from the object are diverged by the negative lens group and converged by the first positive lens group, and then deflected by the optical axis deflecting member, so that the distance between the two light beams is increased.
  • the light beam is incident on the optical axis of the second positive lens unit arranged eccentrically with respect to the first positive lens unit.
  • the second positive beam can be simply passed through the optical axis deflecting member without sufficiently securing the dimension in the optical axis direction as in the case where the distance between the two light beams is adjusted only by the eccentricity of the lens.
  • the interval between the light beams can be adjusted according to the position of the lens group. Further, by arranging the optical axis deflecting member downstream of the negative lens group and the positive lens group with respect to the object, light in a substantially parallel light beam is incident on the optical axis deflecting member, and aberrations in the optical axis deflecting member Can be suppressed. Therefore, it is possible to shorten the dimension in the optical axis direction and improve the optical performance.
  • the optical axis deflecting member may be a transmissive prism that deflects light transmitted through the first positive lens group twice and enters the second positive lens group. Good. With this configuration, it is not necessary to adjust the position between the reflecting surfaces of the mirrors as in the case of deflecting light by the reflection of a plurality of mirrors, and the occurrence of image tilt can be prevented.
  • the optical axis deflecting member may be configured by at least one reflecting surface.
  • the light transmitted through the first positive lens group is deflected by being reflected by the reflecting surface, and is decentered with respect to the first positive lens group. Incident to the positive lens group. Therefore, when the optical axis of the first positive lens group and the optical axis of the second positive lens group are not parallel, the light from the first positive lens is adjusted by adjusting the angle of the reflecting surface. To be incident near the center of the optical axis of the second positive lens group.
  • a pair of the second positive lens group may be provided corresponding to the pair of the first positive lens groups.
  • the pair of lenses constituting the pair of second positive lens groups may be integrally formed. With this configuration, the lens can be easily manufactured by sharing the lens pair constituting the second positive lens group.
  • the pair of second positive lens groups may be arranged in a direction orthogonal to the arrangement direction of the pair of first positive lens groups.
  • the left and right lens pairs constituting the pair of negative lens groups and the pair of first positive lens groups may be integrally formed.
  • a cylindrical light shielding member that shields light from the pair of negative lens groups and the pair of first positive lens groups over the entire circumference may be provided. With this configuration, stray light can be reduced.
  • a pupil position may be disposed inside the optical axis deflection member.
  • FIG. 1 is a schematic configuration diagram illustrating a stereoscopic endoscope optical system according to a first embodiment of the present invention. It is a lens block diagram of the stereoscopic endoscope optical system of FIG. It is the schematic block diagram which looked at the stereoscopic endoscope optical system which concerns on 2nd Embodiment of this invention from the direction orthogonal to the parallel direction of a negative lens group. It is the schematic block diagram which looked at FIG. 3 from the direction orthogonal to the parallel direction of a negative lens group.
  • FIG. 4 is a perspective view of the stereoscopic endoscope optical system of FIG. 3.
  • FIG. 4 is a perspective view of the stereoscopic endoscope optical system of FIG. 3 as viewed in the axial direction from the object side.
  • FIG. 12 It is a lens block diagram of the stereoscopic endoscope optical system of FIG. It is the schematic block diagram which looked at the stereoscopic endoscope optical system which concerns on the modification of 2nd Embodiment of this invention from the direction orthogonal to the parallel direction of a negative lens group. It is the schematic block diagram which looked at FIG. 12 from the direction orthogonal to the parallel direction of a negative lens group. It is a perspective view of the stereoscopic endoscope optical system of FIG. FIG. 13 is a perspective view of the stereoscopic endoscope optical system of FIG. 12 as viewed in the axial direction from the object side. It is the perspective view which looked at the stereoscopic endoscope optical system of FIG.
  • the stereoscopic endoscope optical system 100 can be disposed at the distal end of the insertion portion of the endoscope.
  • the stereoscopic endoscope optical system 100 includes a pair of negative lens groups 10 arranged in order from the object side, and a pair into which light transmitted through the negative lens group 10 is incident.
  • the first positive lens group 20, the prism pair (optical axis deflecting member) 30 that deflects the light transmitted through the first positive lens group 20, and the light deflected by the prism pair 30 is incident thereon.
  • 2 positive lens groups 40 are examples of the prism pair.
  • the pair of negative lens groups 10 includes a pair of left and right lenses 11 that are integrally molded, and has a common optical path.
  • the optical axes of the lens pair 11 are respectively arranged with a space left and right.
  • the pair of negative lens groups 10 has a negative refractive power. Thereby, the pair of negative lens groups 10 can collect light emitted from a wide range of subjects arranged on the object side.
  • the first positive lens group 20 includes two lens pairs 21 and 23 arranged in the axial direction. These lens pairs 21 and 23 are disposed coaxially with the lens pair 11 of the pair of negative lens groups 10 and are integrally molded.
  • the first positive lens group 20 has a positive refractive power for converging light.
  • the left and right lens pairs 11 and 21 and the left and right lens pairs 21 and 23 constituting the pair of first positive lens groups 20 are integrally molded, respectively. It is possible to further reduce the dimension in the optical axis direction by intersecting the light rays forming two images having parallax.
  • the prism pair 30 deflects and transmits the light from the first positive lens group 20 twice and makes it incident on the second positive lens group 40.
  • the prism pair 30 is composed of, for example, two parallelogram prisms 31 made of parallelepipeds.
  • the prisms 31 are arranged along the parallel direction of the lens pair 11 constituting the negative lens group 10. These prisms 31 have an entrance surface 31a and an exit surface 31b that are parallel to each other. The entrance surface 31a and the exit surface 31b of each prism 31 are arranged so as to widen the distance between the optical axes of the light beams emitted from the pair of first positive lens groups 20.
  • the prism 31 deflects the light beam formed by the first positive lens group 20 in the direction of widening the interval between the optical axes when entering from the incident surface 31a, and emits the light beam on the output surface 31b. At this time, the optical axis is deflected in a direction to make it parallel.
  • the optical axis of the first positive lens group 20 and the optical axis of the second positive lens group 40 coincide with each other. .
  • the two light beams that have passed through the pair of first positive lens groups 10 pass through the pair of prism pairs 30 to enlarge only the interval between the optical axes without changing the parallel direction thereof. And is incident on the second positive lens group 20.
  • the second positive lens group 40 is provided as a pair corresponding to the pair of first positive lens groups 20, and is configured by an integrally molded lens pair 41.
  • the second positive lens group 40 is arranged eccentrically with respect to the first positive lens group 20 and has a positive refractive power for converging the light deflected by the prism 31.
  • the light beam emitted from the second positive lens group 40 is incident on the image pickup surface 51a of the image pickup device 50 such as a CCD arranged at the subsequent stage.
  • FIG. 2 shows a lens configuration of the stereoscopic endoscope optical system 100 according to the present embodiment, and lens data is shown below.
  • the stereoscopic endoscope optical system 100 has, for example, an object distance of 20 mm, a focal length of 0.6187 mm, an F value of 4.2, an imaging area (one side) of 0.6 mm ⁇ 0.8 mm, a negative lens group
  • the lens interval of 10 is 0.7 mm
  • the imaging interval of the left and right images is 1.0 mm.
  • a symbol Ln indicates a surface interval of the surface number n. The same applies to FIGS.
  • Lens data surface number Radius Distance Refractive index Dispersion 0 ⁇ 0.24 1.88815 40.7645 1 0.391285 0.18 2 4.44471 0.18 1.88815 40.7645 3 0.84 0.36 1.58565 46.4224 4 -1.08018 0.12 5 -6.86009 0.42 1.51825 64.1411 6 -0.64267 0.18 7 ⁇ 0.72 1.51564 75.009 8 ⁇ 0.268192 9 0.97587 0.78 1.57124 56.363 10 -0.79221 0.29474 1.93429 18.8966 11 -4.1074 0.601262 The inclination angles of the surfaces r7 and r8 constituting the prism 31 are 32.5 °.
  • the stereoscopic endoscope optical system 100 configured as described above will be described.
  • light emitted from a subject is incident on a pair of negative lens groups 10 having an optical axis spaced apart from each other.
  • the light is diverged and emitted as a substantially parallel light beam having parallax.
  • the luminous flux emitted from the negative lens group 10 is incident on and converged on the first positive lens group 20 disposed in the subsequent stage.
  • the light beam that has passed through the first positive lens group 20 is incident on the incident surface 31 of the prism 31 that constitutes the prism pair 30.
  • the light beam that has entered the prism pair 30 is deflected in a direction in which the interval between the optical axes is widened on the incident surface 31a, and then is deflected in the direction in which the interval between the optical axes is paralleled on the exit surface 31b.
  • the two light beams incident on the pair of prisms 30 pass through the prism pair 30 with only the interval between the optical axes enlarged without changing the parallel direction of the first positive lens.
  • the light beams are incident on the optical axis of the second positive lens group 40 arranged eccentrically with respect to the group 20.
  • the light beams incident on the second positive lens group 40 are converged and emitted, and enter the imaging surface 51a of the imaging device 50. Thereby, two images having parallax are formed on the same imaging surface 51 a of the imaging element 50.
  • the light is deflected by the prism pair 30 so that the interval between the two light beams is adjusted only by the eccentricity of the deflection lens. Even if the dimension in the optical axis direction is not sufficiently secured, the interval between the light beams can be adjusted according to the position of the second positive lens group 40.
  • the prism pair 30 by arranging the prism pair 30 at the subsequent stage of the negative lens group 10 and the first positive lens group 20 with respect to the object, light of a substantially parallel light beam is incident on the prism pair 30, and the prism pair 30. Occurrence of aberrations can be suppressed. Thereby, the optical performance can be improved and the dimension in the optical axis direction can be shortened.
  • the stereoscopic endoscope optical system 200 according to the second embodiment of the present invention has one each for reflecting and deflecting light instead of the prism pair 30 as an optical axis deflecting member.
  • a pair of second positive lens groups 40 is employed, in which a prismatic prism 130 having two reflective surfaces 131a and 131b parallel to each other is adopted.
  • the second embodiment differs from the first embodiment in that it includes a pair of second positive lens groups 140 arranged in a direction orthogonal to the arrangement direction of the first positive lens group 120.
  • portions having the same configuration as those of the stereoscopic endoscope optical system 100 according to the first embodiment are denoted by the same reference numerals and description thereof is omitted.
  • the pair of negative lens groups 110 includes two lens pairs 13 and 15 arranged in the axial direction, and these lens pairs 13 and 15 are arranged in parallel at an interval in one direction.
  • the first positive lens group 120 includes two lens pairs 25 and 27 arranged in the axial direction. These lens pairs 25 and 27 are provided at intervals in one direction, and are arranged coaxially with the lens pairs 13 and 15 of the pair of negative lens groups 110, respectively.
  • the second positive lens group 140 includes a lens pair 43 having a positive refractive power and arranged in parallel in a direction orthogonal to the parallel direction of the lens pairs 25 and 27 constituting the first positive lens group 120. 35.
  • the light beam emitted from the second positive lens group 140 is directly incident on the image pickup surface 51a of the image pickup element 50 arranged at the subsequent stage.
  • the pair of second positive lens groups 140 are formed in a cross-sectional shape that is long in the parallel direction of the lens pairs 25 and 27 of the pair of first positive lens groups 120 and short in the direction perpendicular thereto.
  • the luminous flux is incident on the imaging surface 51 a side by side in a direction orthogonal to the parallel direction of the lens pairs 25 and 27 of the first positive lens group 120.
  • the prism mirror pair 130 reflects the light from the first positive lens group 120 twice and makes it incident on the second positive lens group 140.
  • the prism mirror pair 130 includes two mirrors 131 having two reflecting surfaces 131a and 131b arranged in parallel to each other.
  • the prism mirror pair 130 is disposed at an angle of 22.2 ° with respect to the arrangement direction of the first positive lens group 120.
  • the mirror 131 viewed from the direction of arrow A shown in FIGS. 6 and 7 is shown in FIG. 9A.
  • 9A shows a state where the mirror 131 of FIG. 9A is viewed in the arrow B direction (direction in which the mirrors 131 overlap)
  • FIG. 9C shows a state where the mirror 131 of FIG. 9A is viewed from the image sensor 50 side.
  • the reflecting surfaces 131a of the mirrors 131 are provided so as to be inclined and opposed to the pair of first positive lens groups 120, respectively, and positions corresponding to the optical axes of the first positive lens groups 110, respectively.
  • the center position is arranged.
  • the reflecting surface 131b of each mirror 131 is provided so as to be inclined and opposed to the pair of second positive lens groups 140, and coincides with the optical axis of each second positive lens group 140.
  • the center position is arranged at the position to be.
  • the pair of prism mirrors 130 is arranged in parallel at the center position in the direction orthogonal to the parallel direction of the lens pairs 25 and 27 constituting each first positive lens group 120.
  • the light beam is converted so that the parallel direction of the optical axes of the first positive lens group 120 is rotated by 90 °.
  • the prism mirror pair 130 has a diaphragm 33 as shown in FIG. 10 at the joint between the mirrors 131, and the pupil position is arranged inside. Thereby, the light can be collected inside the prism mirror pair 130 and the axial dimension of the prism mirror pair 130 can be reduced.
  • the diaphragm 33 has, for example, a diameter of 0.36 mm. 9A, 9 ⁇ / b> C, and 10, reference numeral 131 c indicates a joint portion between the mirrors 131.
  • FIG. 11 shows a lens configuration of the stereoscopic endoscope optical system 200 according to the present embodiment, and lens data is shown below.
  • the stereoscopic endoscope optical system 200 has, for example, an object distance of 36 mm, a focal length of 1.1 mm, an F value of 6.2, an imaging area (one side) of 0.9 mm ⁇ 0.68 mm, a negative lens group
  • the lens interval of 10 is 2.0 mm, and the imaging interval of the left and right images is 0.8312 mm.
  • the prism mirror pair 130 includes the two reflecting surfaces 131a and 131b manufactured in parallel with high accuracy, so that the pair of negative electrodes is emitted from the subject.
  • the light beams transmitted through the lens group 110 and the pair of first positive lens groups 120 are reflected twice by the two reflecting surfaces 131a and 131b in the mirror 131 and are incident on the pair of second positive lens groups 140. .
  • each pair of prism mirrors 130 is disposed at an angle of 22.2 ° with respect to the arrangement direction of the first positive lens group 120, and the reflection surface 131b thereof is parallel to the reflection surface 131a. Since the two light beams emitted from the respective reflecting surfaces 131b are rotated by 90 ° in the parallel direction when entering the two reflecting surfaces 131a. Then, the two light beams reflected by the reflecting surface 131 b of the mirror 131 are incident on the pair of second positive lens groups 140, converged by the positive refractive power, and incident on the image sensor 50. Thereby, two images having parallax are formed on the same imaging surface 51 a of the imaging element 50.
  • two light beams having a parallax emitted from the same subject and spaced in parallel in one direction are arranged in the parallel direction.
  • Stereo imaging can be performed by making two light beams arranged in orthogonal directions incident on the imaging surface. Accordingly, since two light beams formed in a cross-sectional shape that is long in the direction parallel to the first positive lens group 120 and short in the direction perpendicular thereto are imaged in two steps in the short side direction, the parallax is reduced. Even if it is relatively large, the center position of image formation can be brought close to with high precision. Further, the image pickup device 50 can be effectively used by forming two light beams in two rows in the short side direction.
  • the stereoscopic endoscope optical system 200 includes the second positive lens group 140 configured by the lens pairs 43 and 45 that are arranged in parallel at an interval in one direction.
  • a second positive lens group 141 composed of a pair of lenses 47 and 49 integrally molded may be provided. Good. In this way, the lens can be easily manufactured by sharing the lens pairs 47 and 49 constituting the second positive lens group 141.
  • the prism mirror pair 130 is disposed at an angle of 30 ° with respect to the arrangement direction of the first positive lens group 120.
  • the distance between the optical axes of the lens pair 15 is 2.0 mm.
  • the mirror 131 viewed from the direction of arrow C shown in FIG. 15 is shown in FIG. 18A.
  • 18B shows the mirror 131 viewed in the direction of arrow D in FIG. 18A.
  • the reflection surface 131b of the mirror 131 is disposed at an angle of 1.845 ° with respect to the reflection surface 131a, for example.
  • the diaphragm 33 has a diameter of 0.84 mm.
  • FIG. 20 shows a lens configuration of the stereoscopic endoscope optical system 200 according to this modification, and lens data is shown below.
  • This stereoscopic endoscope optical system 200 has, for example, an object distance of 100 mm, a focal length of 1.5225 mm, an F value of 4.78, an imaging area (one side) of 0.6 mm ⁇ 0.8 mm, a negative lens group
  • the lens interval of 110 is 2.0 mm, and the imaging interval of the left and right images is 0.6 mm.
  • the stereoscopic endoscope optical system 300 according to the third embodiment of the present invention employs a mirror pair 230 having at least one reflecting surface 231a that reflects and deflects light as an optical axis deflecting member.
  • the same reference numerals are given to portions having the same configurations as those of the stereoscopic endoscope optical system 100 according to the first embodiment and the stereoscopic endoscope optical system 200 according to the second embodiment, and description thereof is omitted. .
  • the pair of second positive lens groups 141 are arranged so that the optical axes thereof intersect the optical axes of the pair of first positive lens groups 120.
  • the optical axes of the pair of second positive lens groups 241 are arranged so as to be substantially orthogonal to the optical axes of the pair of first positive lens groups 120.
  • the mirror pair 230 is composed of mirrors 231 each having a reflecting surface 231a.
  • the mirrors 231 are arranged in parallel with each other on the optical axis of the pair of first positive lens groups 120.
  • each mirror 231 is arranged with an angle shifted in the arrangement direction of the pair of second positive lens groups 241 while the reflecting surfaces 231a are inclined in the direction facing each other.
  • the mirror pair 230 reflects and deflects the light transmitted through the pair of first positive lens groups 120 in a direction substantially orthogonal to the reflecting surface 231a, and the optical axis of the second positive lens group 241 is reflected. It can be incident near the center. Then, through the second positive lens group 241, the two light beams are converted so as to be rotated by 90 ° with respect to the parallel direction of the optical axes of the first positive lens group 120, and the imaging surface of the imaging device 50 is converted. It can be made incident on 51a.
  • the optical axis of the first positive lens group 120 and the optical axis of the second positive lens group 241 are not parallel.
  • the angle of the reflecting surface 231a is adjusted to deflect two light beams having a parallax that are emitted from the same subject and spaced in parallel in one direction so that the second positive lens group 241
  • Stereo imaging is performed by making the light incident near the center of the optical axis and entering the imaging surface 51a as two light beams in which the optical axes are arranged in a direction orthogonal to the parallel direction of the optical axis of the first positive imaging element 120. it can.
  • the embodiment of the present invention has been described in detail with reference to the drawings.
  • the specific configuration is not limited to this embodiment, and includes design changes and the like within a scope not departing from the gist of the present invention.
  • the present invention is not limited to those applied to each of the above embodiments, and may be applied to embodiments in which these embodiments are appropriately combined, and is not particularly limited.
  • the stereoscopic endoscope optical system 100, 200, 300 includes the pair of negative lens groups 10, 110 and the pair of first positive lens groups 20, 120 over the entire circumference. It is good also as providing the cylindrical light-shielding member which light-shields. By doing so, stray light can be reduced.

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
PCT/JP2012/081575 2012-02-01 2012-12-05 Système optique destiné à un endoscope stéréoscopique Ceased WO2013114725A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-019661 2012-02-01
JP2012019661 2012-02-01

Publications (1)

Publication Number Publication Date
WO2013114725A1 true WO2013114725A1 (fr) 2013-08-08

Family

ID=48904787

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/081575 Ceased WO2013114725A1 (fr) 2012-02-01 2012-12-05 Système optique destiné à un endoscope stéréoscopique

Country Status (1)

Country Link
WO (1) WO2013114725A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015094922A (ja) * 2013-11-14 2015-05-18 オリンパスメディカルシステムズ株式会社 内視鏡対物光学系
JP2015108744A (ja) * 2013-12-05 2015-06-11 オリンパス株式会社 立体撮像光学系、立体撮像装置及び内視鏡
WO2016006505A1 (fr) * 2014-07-09 2016-01-14 オリンパス株式会社 Système optique d'objectif d'endoscope
DE102017117374A1 (de) * 2017-08-01 2019-02-07 Olympus Winter & Ibe Gmbh Prismenanordnung für ein Stereo-Videoendoskop
US10295817B2 (en) * 2016-06-01 2019-05-21 General Electric Company Stereo imaging system
CN112292061A (zh) * 2018-06-22 2021-01-29 奥林巴斯株式会社 照明光学系统及内窥镜系统
JP2023074578A (ja) * 2021-11-18 2023-05-30 キヤノン株式会社 レンズ装置および撮像装置
JP2024055909A (ja) * 2018-07-04 2024-04-19 キヤノン株式会社 レンズ装置およびそれを有する撮像装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06208061A (ja) * 1993-01-08 1994-07-26 Olympus Optical Co Ltd 立体視内視鏡
JPH0829701A (ja) * 1994-07-18 1996-02-02 Olympus Optical Co Ltd 立体視内視鏡システム
JP2005134830A (ja) * 2003-10-31 2005-05-26 Olympus Corp 光学要素アッセンブリおよびこの光学要素アッセンブリを備えた撮像装置
JP2006204924A (ja) * 2005-01-28 2006-08-10 Karl Storz Development Corp 視界方向が可変とされた視界器具のための光学システム
JP2006317891A (ja) * 2005-04-11 2006-11-24 I Systems:Kk 立体電子内視鏡用光学系
JP2009156950A (ja) * 2007-12-25 2009-07-16 Olympus Corp 撮像光学系
JP2010128354A (ja) * 2008-11-28 2010-06-10 Olympus Medical Systems Corp ステレオ光学系、並びにそれを用いたステレオ計測用光学装置、ステレオ計測装置及びステレオ観察装置
WO2011049195A1 (fr) * 2009-10-23 2011-04-28 オリンパスメディカルシステムズ株式会社 Système optique objectif pour la capture d'image tridimensionnelle et endoscope

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06208061A (ja) * 1993-01-08 1994-07-26 Olympus Optical Co Ltd 立体視内視鏡
JPH0829701A (ja) * 1994-07-18 1996-02-02 Olympus Optical Co Ltd 立体視内視鏡システム
JP2005134830A (ja) * 2003-10-31 2005-05-26 Olympus Corp 光学要素アッセンブリおよびこの光学要素アッセンブリを備えた撮像装置
JP2006204924A (ja) * 2005-01-28 2006-08-10 Karl Storz Development Corp 視界方向が可変とされた視界器具のための光学システム
JP2006317891A (ja) * 2005-04-11 2006-11-24 I Systems:Kk 立体電子内視鏡用光学系
JP2009156950A (ja) * 2007-12-25 2009-07-16 Olympus Corp 撮像光学系
JP2010128354A (ja) * 2008-11-28 2010-06-10 Olympus Medical Systems Corp ステレオ光学系、並びにそれを用いたステレオ計測用光学装置、ステレオ計測装置及びステレオ観察装置
WO2011049195A1 (fr) * 2009-10-23 2011-04-28 オリンパスメディカルシステムズ株式会社 Système optique objectif pour la capture d'image tridimensionnelle et endoscope

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015094922A (ja) * 2013-11-14 2015-05-18 オリンパスメディカルシステムズ株式会社 内視鏡対物光学系
US10634898B2 (en) 2013-12-05 2020-04-28 Olympus Corporation Steroscopic imaging optical system, steroscopic imaging aparatus, and endoscope
JP2015108744A (ja) * 2013-12-05 2015-06-11 オリンパス株式会社 立体撮像光学系、立体撮像装置及び内視鏡
WO2015083439A1 (fr) * 2013-12-05 2015-06-11 オリンパス株式会社 Système optique d'imagerie 3d, dispositif imageur 3d, et endoscope
CN105793756A (zh) * 2013-12-05 2016-07-20 奥林巴斯株式会社 立体摄像光学系统、立体摄像装置以及内窥镜
WO2016006505A1 (fr) * 2014-07-09 2016-01-14 オリンパス株式会社 Système optique d'objectif d'endoscope
JP5945649B2 (ja) * 2014-07-09 2016-07-05 オリンパス株式会社 内視鏡対物光学系
CN106030367A (zh) * 2014-07-09 2016-10-12 奥林巴斯株式会社 内窥镜物镜光学系统
US9706906B2 (en) 2014-07-09 2017-07-18 Olympus Corporation Endoscope objective optical system
CN106030367B (zh) * 2014-07-09 2019-04-23 奥林巴斯株式会社 内窥镜物镜光学系统
US10295817B2 (en) * 2016-06-01 2019-05-21 General Electric Company Stereo imaging system
DE102017117374A1 (de) * 2017-08-01 2019-02-07 Olympus Winter & Ibe Gmbh Prismenanordnung für ein Stereo-Videoendoskop
CN112292061A (zh) * 2018-06-22 2021-01-29 奥林巴斯株式会社 照明光学系统及内窥镜系统
JP2024055909A (ja) * 2018-07-04 2024-04-19 キヤノン株式会社 レンズ装置およびそれを有する撮像装置
JP7608652B2 (ja) 2018-07-04 2025-01-06 キヤノン株式会社 レンズ装置およびそれを有する撮像装置
JP2023074578A (ja) * 2021-11-18 2023-05-30 キヤノン株式会社 レンズ装置および撮像装置
JP7757150B2 (ja) 2021-11-18 2025-10-21 キヤノン株式会社 レンズ装置および撮像装置

Similar Documents

Publication Publication Date Title
WO2013114725A1 (fr) Système optique destiné à un endoscope stéréoscopique
JP5011451B2 (ja) 立体撮影用対物光学系および内視鏡
CN103957770B (zh) 内窥镜
JP5910739B2 (ja) 撮像装置
EP3037864B1 (fr) Stéréoendoscope à visée oblique rotatif
JP6280749B2 (ja) 光学系、立体撮像装置、及び内視鏡
JP6482553B2 (ja) 側方視野方向を有する立体ビデオ内視鏡の光学システム及び側方視野方向を有する立体内視鏡
EP2755544B1 (fr) Endoscope proximal à haute définition
CN103782215A (zh) 立体观察内窥镜用光学系统
JP6567542B2 (ja) テレセントリックレンズ
US20170014030A1 (en) Endoscope Featuring Depth Ascertainment
JPWO2014038397A1 (ja) 立体視用光学系
JP6150717B2 (ja) 立体撮像光学系、立体撮像装置及び内視鏡
JP5268988B2 (ja) ２次元走査装置
JPWO2017073292A1 (ja) 内視鏡撮像ユニット
JP6000823B2 (ja) 光学素子、光学系、立体撮像装置、及び内視鏡
JP5084331B2 (ja) 観察光学系
JP2013218238A (ja) 立体撮像光学系及びそれを備えた内視鏡
CN113302534B (zh) 光学系统、光学设备以及拍摄装置
JP4931226B2 (ja) 焦点検出装置及び光学機器
JP3559341B2 (ja) 立体視内視鏡
JP2012220848A (ja) 撮像装置及びレンズ装置
KR102774134B1 (ko) 릴레이 렌즈를 포함하는 증강 현실용 광학 장치
JP2018040927A (ja) 立体内視鏡用撮像装置
JPH10123435A (ja) 内視鏡用対物光学系

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12867135

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12867135

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP