WO2019194171A1 - Structure de support pour projecteur médical - Google Patents

Structure de support pour projecteur médical Download PDF

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Publication number
WO2019194171A1
WO2019194171A1 PCT/JP2019/014610 JP2019014610W WO2019194171A1 WO 2019194171 A1 WO2019194171 A1 WO 2019194171A1 JP 2019014610 W JP2019014610 W JP 2019014610W WO 2019194171 A1 WO2019194171 A1 WO 2019194171A1
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WO
WIPO (PCT)
Prior art keywords
medical
ring
projector
rotation axis
medical projector
Prior art date
Application number
PCT/JP2019/014610
Other languages
English (en)
Japanese (ja)
Inventor
悦朗 波多野
隆士 新田
智 瀬尾
正泰 ▲高▼田
勝之 中村
Original Assignee
国立大学法人京都大学
三鷹光器株式会社
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 国立大学法人京都大学, 三鷹光器株式会社 filed Critical 国立大学法人京都大学
Priority to JP2020512254A priority Critical patent/JP7239942B2/ja
Publication of WO2019194171A1 publication Critical patent/WO2019194171A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A61B90/35—Supports therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/50—Supports for surgical instruments, e.g. articulated arms

Definitions

  • the present invention relates to a support structure for a medical projector.
  • Medical devices such as microscopes and cameras used in surgery are supported by the tip of a support arm that extends laterally from a stand device installed on the floor.
  • a holding arm having a plurality of rotating shafts is attached to the tip of the support arm, and one side surface of the medical device is fixed to the tip of the holding arm. Since the medical device is supported by a holding arm having a plurality of rotation axes, the direction of the medical device can be arbitrarily changed. Since medical devices such as a microscope and a camera are relatively small, there is no problem if only one side of the medical device is supported in a so-called cantilever state by a holding arm.
  • Related technology is exemplified in Japanese Patent Publication No. 2017-6620 (Patent Document 1).
  • a support structure for a medical projector that can reliably support a large-sized medical projector with both ends and can arbitrarily change the orientation in a supported state.
  • a holding arm whose front end side branches in a bifurcated manner from the middle is provided at the front end portion of the support arm extending in the lateral direction of the stand device installed on the floor.
  • a cylinder that is rotatable about a first rotation axis that matches the first rotation axis, and that is rotatable about a second rotation axis that is orthogonal to the first rotation axis of the support arm, between both ends on the distal end side of the holding arm.
  • a medical projector that attaches the outer ring portion of the ring-shaped bearing in which a plurality of rolling elements are interposed between the outer ring and the inner ring, and irradiates light from the lower surface inside the ring-shaped bearing. Is fixed to the inner ring portion of the ring-shaped bearing and is arranged so as to be rotatable about the central axis of the ring-shaped bearing.
  • rails extending along the central axis direction of the medical projector in a state of passing through the second rotational axis are provided on both side surfaces in the second rotational axis direction of the medical projector.
  • Each of the weights is provided with a weight whose position can be changed along the longitudinal direction of the rail.
  • an operating handle for operating a stand device or a medical projector is attached to the lower end of the rail.
  • FIG. 10 is a sectional view taken along line SB-SB in FIG. 9;
  • FIG. 1 A preferred embodiment of the present invention will be described with reference to FIGS.
  • the front-rear and left-right directions are as shown in FIG.
  • the stand device 1 installed on the floor in the operating room includes a stand body 2 that can be rotated horizontally on the base.
  • a parallel link mechanism R including a front arm 3 and a rear arm 4 is supported on the stand body 2 so as to be rotatable about a rotation shaft 5 set in the middle of the front arm 3.
  • the upper side of the parallel link mechanism R is formed by the rear portion of the support arm 6, and the support arm 6 extends forward as it is.
  • the lower side of the parallel link mechanism R is formed by a front portion of the lower arm 7, the lower arm 7 extends rearward as it is, and a counterweight 8 is attached to the rear end.
  • a holding arm 9 whose tip is branched in a bifurcated manner is attached.
  • the holding arm 9 is attached so as to be rotatable about a first rotation axis X that matches the axis of the support arm 6.
  • a ring-shaped cylindrical portion 11 is attached between the end portions 10 of the holding arm 9 which are bifurcated.
  • the cylindrical portion 11 is rotatably attached to the end portion 10 in a state where the maximum diameter portion is centered on a second rotation axis Y orthogonal to the first rotation axis X.
  • a plurality of convex portions 12 are formed on the inner surface of the cylindrical portion 11 along the circumferential direction.
  • a ring-shaped bearing 13 is mounted on the convex portion 12.
  • the ring-shaped bearing 13 has a structure in which a plurality of rollers (rolling elements) 16 are interposed between the outer ring 14 and the inner ring 15, and the outer ring 14 is fixed to the convex portion 12 with screws 17.
  • a medical projector 18 is disposed inside the ring-shaped bearing 13.
  • the medical projector 18 is a substantially rectangular parallelepiped, and six attachment parts 19 are fixed around the side surface thereof, and the tip end portion is fixed to the inner ring 15 of the ring-shaped bearing 13 by screws 20 from below.
  • the center axis Z of the ring-shaped bearing 13 is orthogonal to the first rotation axis X and the second rotation axis Y, and the medical projector 18 is rotatable with respect to the cylindrical portion 11 and the outer ring 14 about the center axis Z. .
  • Rails 21 extending along the direction of the central axis Z of the medical projector 18 in a state of passing through the second rotational axis Y are fixed to both side surfaces of the medical projector 18 in the direction of the second rotational axis Y.
  • a plurality of screw holes 22 are formed in the rail 21 along the longitudinal direction.
  • the rail 21 is provided with a weight 23 having a U-shaped cross section.
  • a circular hole 24 is formed in the weight 23, and the position of the weight 23 can be changed along the longitudinal direction of the rail 21 by inserting a screw portion 25 therefrom and screwing it into an arbitrary screw hole 22. .
  • the position of the weight 23 can be moved to both sides with the second rotation axis Y as a boundary. Therefore, as shown in FIG. 9, by adjusting the upper and lower weights W1 and W2 around the second rotation axis Y of the medical projector 18, the balance adjustment in the rotation direction around the second rotation axis Y is performed. It can be performed. In some cases, by changing the weight of one of the left and right weights 23, balance adjustment in the rotation direction around the first rotation axis X of the medical projector 18 can also be performed.
  • An operation handle 26 is attached to the left and right of the lower end of the rail 21, respectively.
  • the operation handle 26 is for operating the electromagnetic clutch and the medical projector 18 in each rotating part of the stand device 1. Since the operation handle 26 is attached to the lower end portion of the highly rigid rail 21, the attachment rigidity of the operation handle 26 is high.
  • the illumination 27 irradiates white light H to illuminate the surgical site at hand of Dr. D from all directions, and eliminates the fact that the surgical site becomes dark due to the shadow of Dr. D's hand.
  • the medical projector 18 supported by the stand device 1 at a position higher than the head of the doctor D takes a fluorescent part from the organ G during the operation of the patient P, visualizes it, and projects it onto the organ G in real time. It is a device for.
  • a window 29 is formed on the lower surface of the medical projector 18, and an excitation light illumination 30 that emits excitation light E having a specific wavelength is provided around the window 29. Since there is the excitation light illumination 30 around the window 29, the excitation light E can be applied to the organ G from all directions.
  • a light branching means 31 that partially transmits and reflects light directly above the window 29.
  • a projector unit 32 and a camera unit 33 are provided inside.
  • a fluorescence camera 34 and a visible light camera 35 are provided inside the camera unit 33, and optical filter means (not shown) for separating the fluorescence and visible light is also provided.
  • the patient P is preliminarily administered with a fluorescent reagent safe for the human body.
  • the operating light 36 in the operating room is basically turned off (it may be turned on depending on the fluorescence intensity).
  • the excitation light illumination 30 irradiates the organ G at the surgical site with the excitation light E having a specific wavelength. Then, in the operative field including the organ G, a blood flow or a lymph vessel flow or a tumor under the surface of the tissue that cannot be seen with the naked eye emits light as the fluorescent light emitting portion F.
  • the reflected light A from the surgical field including the fluorescence from the fluorescent light emitting unit F is taken into the medical projector 18 through the window 29 and guided to the camera unit 33.
  • the camera unit 33 separates the reflected light A into fluorescence and visible light, and the fluorescence is captured by the fluorescence camera 34 and the visible light is captured by the visible light camera 35.
  • the fluorescent image B captured by the fluorescent camera 34 is visualized and sent to the projector unit 32, and is projected from the projector unit 32 to the organ G through the light branching means 31 through the window 29.
  • This is projection mapping in which the fluorescent image B is projected onto the organ G in real time. Due to the real-time projection, the deformation and movement of the organ G can be followed without any time difference, and the doctor D can perform an operation with reference to the fluorescent image B projected onto the organ G.
  • this medical projector 18 is supported in a double-sided manner by the holding arm 9 branched in a bifurcated manner through the cylindrical portion 11 and the ring-shaped bearing 13, the support state is reliable.
  • the electromagnetic clutch of the rotating part of the stand device 1 is released by operating while holding the operation handle 26, and the medical projector 18 is moved up and down as a whole. Alternatively, it can be moved back and forth and left and right.
  • the medical projector 18 rotates with the holding arm 9 about the first rotation axis X, rotates with the ring-shaped bearing 13 about the second rotation axis Y, and rotates about the central axis Z of the ring-shaped bearing 13 Therefore, the projection direction can be arbitrarily changed.
  • the medical projector can be reliably supported in the both-sided state by the holding arm branched in a bifurcated shape.
  • the medical projector rotates with the holding arm around the first rotation axis, rotates with the ring bearing around the second rotation axis, and rotates around the center axis of the ring bearing. Can be changed arbitrarily.
  • the second technical aspect of the present invention by changing the position of the weight along the rail, it is possible to adjust the balance in the rotation direction around the second rotation axis of the medical projector.
  • the mounting rigidity of the operating handle can be increased.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Microscoopes, Condenser (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

L'invention concerne une structure de support pour un projecteur médical, la structure de support étant conçue de sorte qu'un projecteur médical (18) peut être fermement supporté dans un état à double support par un bras de retenue (9) qui est bifurqué, et la direction du projecteur médical (18) peut être modifiée librement étant donné que le projecteur médical (18) peut tourner autour d'un axe central (Z), tandis que le bras de retenue (9) tourne autour d'un premier axe de rotation (X) et qu'un palier annulaire (13) tourne autour d'un second axe de rotation (Y).
PCT/JP2019/014610 2018-04-03 2019-04-02 Structure de support pour projecteur médical WO2019194171A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2020512254A JP7239942B2 (ja) 2018-04-03 2019-04-02 医療用プロジェクターの支持構造

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-071323 2018-04-03
JP2018071323 2018-04-03

Publications (1)

Publication Number Publication Date
WO2019194171A1 true WO2019194171A1 (fr) 2019-10-10

Family

ID=68100600

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/014610 WO2019194171A1 (fr) 2018-04-03 2019-04-02 Structure de support pour projecteur médical

Country Status (2)

Country Link
JP (1) JP7239942B2 (fr)
WO (1) WO2019194171A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210321076A1 (en) * 2020-01-14 2021-10-14 Karl Storz Se & Co. Kg Optical observation instrument

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108545A (ja) * 1982-11-25 1984-06-23 デルマ，エレクトロ−ウント・メデイツイニツシエ・アパラテバウ・ゲゼルシヤフト・エムベエハア 手術室用ランプ
JPS63201518U (fr) * 1987-06-18 1988-12-26
JPH0838505A (ja) * 1994-08-03 1996-02-13 Daikyo Kikai Seisakusho:Kk 手術用多灯式照明灯
JPH1128216A (ja) * 1997-07-11 1999-02-02 Mitaka Koki Co Ltd 顕微鏡のバランス支持機構
JP2013045711A (ja) * 2011-08-25 2013-03-04 Panasonic Corp 照明器具
JP2017006620A (ja) * 2015-06-23 2017-01-12 三鷹光器株式会社 手術用立体観察装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108545A (ja) * 1982-11-25 1984-06-23 デルマ，エレクトロ−ウント・メデイツイニツシエ・アパラテバウ・ゲゼルシヤフト・エムベエハア 手術室用ランプ
JPS63201518U (fr) * 1987-06-18 1988-12-26
JPH0838505A (ja) * 1994-08-03 1996-02-13 Daikyo Kikai Seisakusho:Kk 手術用多灯式照明灯
JPH1128216A (ja) * 1997-07-11 1999-02-02 Mitaka Koki Co Ltd 顕微鏡のバランス支持機構
JP2013045711A (ja) * 2011-08-25 2013-03-04 Panasonic Corp 照明器具
JP2017006620A (ja) * 2015-06-23 2017-01-12 三鷹光器株式会社 手術用立体観察装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210321076A1 (en) * 2020-01-14 2021-10-14 Karl Storz Se & Co. Kg Optical observation instrument
US11770514B2 (en) * 2020-01-14 2023-09-26 Karl Storz Se & Co. Kg Optical observation instrument

Also Published As

Publication number Publication date
JP7239942B2 (ja) 2023-03-15
JPWO2019194171A1 (ja) 2021-05-13

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