WO2019218788A1 - Dispositif d'imagerie de traitement laser - Google Patents

Dispositif d'imagerie de traitement laser Download PDF

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Publication number
WO2019218788A1
WO2019218788A1 PCT/CN2019/080927 CN2019080927W WO2019218788A1 WO 2019218788 A1 WO2019218788 A1 WO 2019218788A1 CN 2019080927 W CN2019080927 W CN 2019080927W WO 2019218788 A1 WO2019218788 A1 WO 2019218788A1
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WO
WIPO (PCT)
Prior art keywords
lens
treatment
laser
image
lens group
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PCT/CN2019/080927
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English (en)
Chinese (zh)
Inventor
蔡志疆
宋文冬
王冠楠
Original Assignee
北京新创恒远科技发展有限公司
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Publication of WO2019218788A1 publication Critical patent/WO2019218788A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/14—Arrangements specially adapted for eye photography

Definitions

  • the present invention relates to the field of ocular medical device technology, and in particular to a laser treatment imaging device.
  • the photocoagulation instrument is an important instrument for treating the eye or the anterior segment of the eye with photocoagulation of visible laser light.
  • the condition of each part of the patient's eye before, during, and after treatment is the information that must be obtained by laser treatment.
  • the existing photocoagulation apparatus uses a binocular of a slit lamp microscope observation system (hereinafter referred to as a binocular mirror) to observe, and some photocoaggregators add a spectroscope in a slit lamp microscope observation system, and use a binocular to observe while using
  • the spectroscopic optical path of the beam splitter is combined with a digital acquisition system for photographing and video capturing of the eye image.
  • the current technology can observe the condition of each part of the eye before, during and after treatment, it can only be observed by one person through binoculars, and the observation of many people for a long time greatly affects the patient; even if the use of spectrometry With the digital acquisition system to take pictures and capture images, you can only view the image of the treatment process, and can not achieve the entire treatment process of multi-person real-time viewing of laser treatment and its parameters. Especially in the implementation of specific treatment guidance, there can be no negligence, both to concentrate on treatment, but also to be distracted to teach, often making the professors uncomfortable. Moreover, it is now an information age, distance education, hospitals and hospitals, and the sharing of teaching and illness between doctors and doctors is unstoppable. The existing technology cannot achieve the above technology to adapt to the development of medical science.
  • the prior art enables the doctor to input the treatment parameters in the console or the control area on the one hand, and on the other hand to confirm whether the parameter setting values are met and meet the patient's position through the binoculars.
  • the key patient areas and areas that cannot be injured should be confirmed repeatedly. It is necessary to frequently leave and approach the binoculars, which makes the operation cumbersome, the convenience is not enough, and also affects the efficiency of the doctor, and the utilization rate of the device cannot be effectively improved.
  • the prior art obtains images of the condition of various parts of the patient's eyes before, during, and after treatment, whether it is a photo or a video, but a state display.
  • various parameter selection, treatment methods, and treatment information during the treatment process cannot be displayed, so that the utilization of the collected images cannot be fully reflected and greatly reduced.
  • the operation process can only be partially displayed. The entire operation process depends on different images or videos, and the viewing is inconvenient, and the storage management of the data is not easy.
  • the prior art requires the doctor to open the laser for treatment, the eye through the binoculars to see the condition of the laser burning patients' eye patients.
  • the wavelength of the therapeutic laser spectrum is generally harmful to the eyes, and the doctor watches it for a long time, which is extremely harmful to the doctor's own eyes.
  • the prior art is equipped with an automatic baffle to partially block and use a filter to change color and reduce laser brightness to protect the doctor's eyes, long-term viewing still hurts the eyes.
  • the above-mentioned protection method also brings about a decrease in treatment efficiency due to doctor's visual limitations.
  • an imaging device and method for conveniently observing laser treatment which can realize multi-person real-time/remote viewing, convenient and effective teaching, informationization of therapeutic data and image data, network processing, and effective protection for doctor eyes.
  • the object of the present invention is to overcome the deficiencies of the prior art and provide a laser treatment imaging device, which separates the laser light path and the imaging light path, and works independently without mutual interference; no binoculars are provided, which is convenient for doctors to operate and reduce work intensity. At the same time, avoid direct contact with the doctor's eye with a therapeutic laser, protect the doctor's eye health, and effectively display various information during the treatment.
  • a laser treatment imaging device comprising an optical path system and an image acquisition unit;
  • the optical path system includes a focus lens/lens group, a laser beam expander lens/lens group, a total reflection mirror;
  • the focus lens/lens group is used for focusing light from a target tissue of a patient's eye, and focusing the laser on a target tissue of the patient's eye;
  • the total reflection mirror is used to deflect the optical path of the laser to the focus lens/lens group;
  • the laser beam expander lens/lens group is disposed between the laser generating device and the total reflection mirror;
  • the image acquisition unit includes a zoom lens/lens group and an image sensor; the image acquisition unit electronically images light generated by the optical path system;
  • the total reflection mirror is disposed on one side of the optical axis of the focus lens/lens group, and the image acquisition unit is disposed on the other side of the focus lens/lens optical center axis relative to the total reflection mirror;
  • optical center axes of the total reflection mirror, the focus lens/lens group, and the zoom lens/lens group of the image acquisition unit do not coincide.
  • the laser treatment imaging device further includes a display, a real-time image display unit, a graphical interactive interface GUI, and a control unit; the display is configured to display a real-time image display unit and a graphical interactive interface GUI; and the real-time image display unit displays the patient An image of the ocular target tissue and an image of the laser treatment beam of the target tissue region; the graphical interaction interface (GUI) has an image control panel for controlling the image acquisition unit, and setting parameters, treatment means, treatment information, etc. of the laser beam a laser setting panel; the control unit controls a position and a display ratio of the treatment image acquired by the image acquisition unit in real time based on a treatment pattern applied to the target tissue of the eye.
  • GUI graphical interaction interface
  • optical path system and the image acquisition unit are integrated into a moving casing, and the moving casing can adjust the distance from the eye of the patient by moving.
  • an optical ophthalmic lens is disposed between the focusing lens/lens group and the patient's eye, and the focusing lens/lens group is combined with the optical ophthalmic lens to provide a conjugate ⁇ plane, and the optical ophthalmic lens is Contact lens or non-contact lens.
  • the focal length of the focus lens/lens group ranges from 70 to 120 mm.
  • the focus lens/lens group and the graphic acquisition unit are confocal to an optical ophthalmic lens focal plane.
  • control unit uses a central processing unit (CPU) to coordinate and control the device;
  • the central processing unit (CPU) includes a computer, but is not limited to a computer.
  • the display is used to display a real-time image display unit, and is also used to display a graphical interactive interface GUI; the functional structure panel of the graphical interactive interface GUI can be displayed independently or in combination on one or more touchable displays, or Displayed on a separate display with the live image display unit; or the live image display unit is displayed separately on one and/or multiple touchable displays.
  • the image captured by the image acquisition unit is transmitted to the control unit, and then a touchable display and/or a conventional input device connected to the control unit and a software or hardware device for generating a digitized mark position are used in the image.
  • the doctor is allowed to digitize the treatment area; the conventional input device is a mouse or joystick.
  • the image acquisition unit is used to obtain images of various conditions of the patient's eyes before, during, and after treatment, and includes various parameter selection, treatment methods, and treatment information that are processed in real time during the treatment, and transmitted to the computer.
  • the laser treatment image and data are then stored, transferred, uploaded or downloaded using a computer's storage or output device; the storage or output device includes a hard disk, a network card, and a mobile storage device.
  • the total reflection mirror and the image acquisition unit are respectively arranged on both sides of the focus lens/lens group, which ensures that the laser light path and the imaging light path are separated, and each works independently without mutual interference.
  • the doctor does not need to observe the patient's eye tissue through the binoculars, not only to avoid the sequelae of the doctor's eyes for long-term exposure to laser treatment, reduce the work intensity, relieve eye fatigue, relax the doctor's nervousness, Moreover, the existing display technology has reached 4k high-definition resolution, making it easier for doctors to obtain high-definition, partially or partially magnified details with high degree of reduction, rich colors, high dynamic contrast images, and great liberation of doctors' eyes. .
  • the professor can explain while explaining, so that one or more interns can gradually adapt to the treatment process and methods, and the intern will perform actual operation treatment on different patients every time.
  • the professor is also very convenient during the treatment. Pay attention to and guide the intern's treatment data and treatment process. It solves the problem that the prior art can only be observed by one person through the binoculars. When implementing specific treatment guidance, there can be no negligence, and it is necessary to concentrate on the treatment and to distract the teaching problem. It is also possible to observe, share and communicate between teaching and illness between doctors and doctors.
  • FIG. 1 is a schematic structural view of a laser treatment imaging apparatus according to an embodiment of the present invention.
  • a laser treatment imaging apparatus includes an optical path system 30 and an image acquisition unit 20; further includes a display 41, a graphical interactive interface GUI 43, a real-time image display unit 42, and a control unit 50; preferably, the optical path
  • the system 30 and the image acquisition unit 20 are integrated into a moving housing 70, and the distance from the patient's eyes is adjusted by moving the moving housing 70.
  • the display 41 is used to display the real-time image display unit 42 and the graphical interactive interface GUI 43.
  • the real-time image display unit 42 is configured to display an image of a target image of the patient's eye and a laser treatment beam of the target tissue region;
  • the functional structure panel of the graphical interaction interface GUI 43 can be displayed independently or in combination on one or more a touchable display 41, or displayed on the separate display 41 together with the live image display unit 42; or the live image display unit 42 is separately displayed on one and/or a plurality of touchable displays 41;
  • the control unit 50 based on The treatment image of the target tissue of the eye treatment controls the position and display of the treatment image collected by the image acquisition unit 20 in real time. proportion.
  • the optical path system 30 includes a focus lens/lens group 32, a laser beam expander lens/lens group 34, and a total reflection mirror 33;
  • the focus lens/lens group 32 is used to focus the light from the target tissue of the patient's eye, And focusing the laser on the target tissue of the patient's eye;
  • the focal length of the focusing lens/lens group 32 is preferably 70-120 mm;
  • the total reflection mirror 33 is used to deflect the optical path of the laser to the focusing lens/lens group 32;
  • the laser beam expanding lens/lens group 34 is disposed between the laser generating device (laser light source system 35) and the total reflection mirror 33;
  • the image capturing unit 20 includes a zoom lens/lens group and an image sensor;
  • the image acquisition unit 20 electronically images the light generated by the optical path system 30;
  • the total reflection mirror 33 is disposed on one side of the optical center axis of the focus lens/lens group 32 (may be one of the upper side/lower side, or one of the left side/right side),
  • the image capturing unit 20 is disposed on the other side of the optical lens axis of the focusing lens/lens group 32 with respect to the total reflection mirror 33; the total reflection mirror 33, the focus lens/lens group 32, and the image capturing unit 20
  • the optical center axes of the zoom lens/lens group do not coincide.
  • the focus lens/lens group 32 allows visible light from the ocular tissue to pass so that the target area can be seen through the focus lens/lens group 32.
  • the optical ophthalmic lens 2 is placed in front of the patient's eye to assist in the imaging of the ocular tissue 1, which may be a contact or non-contact lens, in combination with the focusing lens/lens group 32 to provide a conjugate plane to facilitate the patient's ocular tissue. Maximize imaging.
  • the laser light path is as follows:
  • the laser beam 31 is illuminated by a laser beam expander lens/lens group 34 to a total reflection mirror 33, which is preferably visible to the eye, but is not required (preferably visible light, however if an alternative imaging scheme such as infrared imaging is employed, Can be non-visible).
  • the total reflection mirror 33 deflects the laser beam 31 to the focus lens/lens group 32, and then the laser beam 31 is irradiated onto the optical ophthalmic lens 2 through the focus lens/lens group 32.
  • the laser is focused on the optical ophthalmic lens 2 within the focal length range 60 of the focusing lens/lens group 32, and the conjugate coma plane provided by the optical ophthalmic lens 2 causes the patient's ocular tissue 1 to be accurately illuminated by the laser beam.
  • the imaging light path is as follows:
  • the visible light 11 of the illumination system 10 is irradiated to the ocular tissue 1 through the optical ophthalmic lens 2 along the illumination optical path to generate visible light 21, and the conjugate ⁇ plane provided by the optical ophthalmic lens 2 passes the patient's ocular tissue 1 through the focusing lens/lens Group 32 is clearly visible.
  • the laser beam 31 is focused on the optical ophthalmic lens 2 to produce diffusely reflected light, and a portion of the diffusely reflected light is returned along the visible light 21 through the focusing lens/lens group 32 to the inside of the moving casing 70, from which the image capturing unit 20 generates an electronic image.
  • the moving housing 70 places the focusing lens/lens group 32 within the focal length 60, and once the conjugate plane of the patient's eye tissue provided by the optical ophthalmic lens 2 is at the same focal plane, not only the clear imaging of the target tissue of the patient's eye, but also the laser beam
  • the patient's eye target tissue will also be focused and clearly imaged and displayed on the live image display unit 42 of the display 41.
  • the image can be stored and displayed by the system, and the doctor can conveniently and safely confirm the beam position of the laser beam 31 in the ocular tissue 1.
  • the total reflection mirror 33 and the image acquisition unit 20 are respectively disposed on both sides of the optical center axis of the focus lens/lens group 32, while the focus lens/lens group 32 and the graphic acquisition unit 20 are confocal to the patient's eye tissue, This design ensures that the laser light path and the imaging light path are separated and operate independently without interfering with each other.
  • a control unit 50 for managing and controlling the laser treatment imaging apparatus 100 of the present invention is connected to a laser light source system 34, an operating system 40, an image acquisition unit 20, and the like.
  • the control unit 50 uses a central processing unit (CPU) to coordinate and control the device 100, which includes a computer, but is not limited to a computer. For ease of understanding and description, the following uses a computer for illustration.
  • CPU central processing unit
  • the operating system 40 includes a display 41 on which a live image display unit 42 is displayed, as well as a hardware device input unit 44 for generating a digitized mark position for a conventional input device (mouse, joystick, etc.).
  • the display 41 is of a touch screen type and serves as both a display and an input unit.
  • the display 41 has a function of a graphic interactive interface (GUI) 43, a video control panel 43a capable of controlling the image capturing unit 20, and a visual confirmation for the doctor, setting parameters of the laser beam, treatment means, and treatment information.
  • GUI graphic interactive interface
  • the laser setting panel 43b The laser setting panel 43b.
  • the image position of the ocular target tissue 1 from the image acquisition unit 20 can be manually controlled by the doctor adjusting the position of the moving housing 70, and the image ratio can be electrically controlled by using a control graphic interactive interface (GUI) 43 command or control input. And the focus of the image.
  • GUI graphic interactive interface
  • the functional structure panel (image control panel 43a/laser setting panel 43b) of the graphical interactive interface GUI 43 can be displayed independently or in combination on one or more touchable displays, and can be displayed independently with the live image display unit 42. Display.
  • the live image display unit 42 can be displayed separately on one or more touchable displays.
  • the image transmitted from the image acquisition unit 20 to the touchable display 41 can be processed in real time using a touchable display 41 or/and such as a joystick, mouse or other input unit 44 to determine which portion of the ocular tissue should be treated.
  • the real-time processing of the treatment is achieved by transmitting the images acquired by the image acquisition unit 20 to a computer, then using a computer's touchable display 41 or/and conventional input devices (mouse, joystick, etc.) and generating digitized marker locations.
  • An input unit 44 such as a software or hardware device, allows the physician to digitally mark the treatment area in the image.
  • the image acquisition unit 20 is used to obtain images of various conditions of the patient's eyes before, during, and after treatment, and more specifically, various parameters, treatments, and treatment information processed in real time during the treatment are transmitted to the computer, and then transmitted to the computer, and then Manage laser imaging images and data using computer storage or output devices (hard disks, network cards, mobile storage devices, etc.) for storage, transfer, upload or download.
  • computer storage or output devices hard disks, network cards, mobile storage devices, etc.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Vascular Medicine (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Laser Surgery Devices (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

La présente invention concerne un dispositif d'imagerie de traitement laser (100), comprenant un système optique (30), une unité d'acquisition d'image (20), un écran (41), une unité d'affichage d'image en temps réel (42), une IUG d'interface interactive graphique (43) et une unité de commande (50); le système optique (30) comprend un ensemble lentille/lentille de focalisation (32), un ensemble lentille/lentille d'expansion de faisceau laser (34) et un phare à échelons (33); le phare à échelons (33) est placé sur un côté de l'axe central optique de l'ensemble lentille/lentille de focalisation (32), et l'unité d'acquisition d'image (20) est placée de l'autre côté de l'axe central optique, par rapport au phare à échelons (33), de l'ensemble lentille/lentille de focalisation (32). Un trajet optique laser et un trajet optique d'imagerie du dispositif d'imagerie de traitement laser (100) sont indépendants l'un de l'autre et n'interfèrent pas l'un avec l'autre; aucun binoscope n'est fourni, de telle sorte que les yeux des médecins sont protégés et libérés; divers paramètres, moyens de traitement et informations de traitement peuvent être réglés pour le laser; et des images en temps réel et une sélection de paramètres, des moyens de traitement et des informations de traitement dans le procédé de traitement sont efficacement affichés, de telle sorte que toutes les informations dans le procédé de traitement sont soumises à une électronisation, ce qui est bénéfique pour le stockage et la gestion et facilite l'analyse et le jugement ultérieurs et le traitement de réseau à distance.
PCT/CN2019/080927 2018-05-14 2019-04-02 Dispositif d'imagerie de traitement laser WO2019218788A1 (fr)

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CN201810455566.1A CN108524097B (zh) 2018-05-14 2018-05-14 一种激光治疗成像装置
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Cited By (2)

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CN112386813A (zh) * 2020-10-29 2021-02-23 苏州君信视达医疗科技有限公司 用于激光治疗的成像获取系统、方法、设备及存储介质
CN117815048A (zh) * 2022-06-27 2024-04-05 高传友 一种多功能ar近视治疗仪

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CN108524097B (zh) * 2018-05-14 2024-02-02 苏州君信视达医疗科技有限公司 一种激光治疗成像装置
CN109662825A (zh) * 2019-02-28 2019-04-23 北京新创恒远科技发展有限公司 一种眼科激光治疗装置
CN109938919B (zh) * 2019-04-25 2023-09-29 南京博视医疗科技有限公司 一种智能眼底激光手术治疗装置、系统及其实现方法
CN114668583B (zh) * 2022-05-30 2022-09-20 季华实验室 一种眼科激光手术治疗系统

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CN112386813A (zh) * 2020-10-29 2021-02-23 苏州君信视达医疗科技有限公司 用于激光治疗的成像获取系统、方法、设备及存储介质
CN117815048A (zh) * 2022-06-27 2024-04-05 高传友 一种多功能ar近视治疗仪

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