WO2020238593A1 - 基于眼科裂隙灯的附加泛光投影装置及图像分析系统 - Google Patents

基于眼科裂隙灯的附加泛光投影装置及图像分析系统 Download PDF

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WO2020238593A1
WO2020238593A1 PCT/CN2020/089585 CN2020089585W WO2020238593A1 WO 2020238593 A1 WO2020238593 A1 WO 2020238593A1 CN 2020089585 W CN2020089585 W CN 2020089585W WO 2020238593 A1 WO2020238593 A1 WO 2020238593A1
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slit lamp
floodlight
projection
ophthalmic
image analysis
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PCT/CN2020/089585
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English (en)
French (fr)
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王奕
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重庆康华瑞明科技股份有限公司
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Priority to US17/612,853 priority Critical patent/US20220218200A1/en
Publication of WO2020238593A1 publication Critical patent/WO2020238593A1/zh

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    • 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
    • A61B3/13—Ophthalmic microscopes
    • A61B3/135—Slit-lamp microscopes
    • 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
    • A61B3/0016—Operational features thereof
    • A61B3/0025—Operational features thereof characterised by electronic signal processing, e.g. eye models
    • 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
    • A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
    • 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
    • A61B3/13—Ophthalmic microscopes
    • A61B3/132—Ophthalmic microscopes in binocular arrangement
    • 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
    • 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
    • A61B3/18—Arrangement of plural eye-testing or -examining apparatus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10056—Microscopic image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30041—Eye; Retina; Ophthalmic

Definitions

  • the invention relates to the technical field of ophthalmological medical equipment, in particular to an additional floodlight projection device and an image analysis system based on an ophthalmic slit lamp.
  • the desktop ophthalmic slit lamp microscopy instrument is based on the following two basic equipment structures to realize the pathological clinical examination of the eye, namely the slit light projection device and the binocular microscope observation device (or attached There is a digital imaging and recording device), the principle is to illuminate the depth of the ocular transparent body with strong light of an appropriate angle and width of the fissure, and use the form of optical sectioning to achieve detailed observation of binocular high-power microscopy and obtain pathological images.
  • the pathological observation of the surface shape of the cornea of the eye is a function that this type of ophthalmic special medical equipment does not have. Therefore, as a platform with microscopic observation capabilities, the ophthalmic slit lamp microscopy instrument still has room for expanding its functions.
  • this invention develops a special additional device for the principle of the corneal flood light projection reticulation imaging change required for the observation of the surface shape and condition of the eye, without affecting the original equipment function.
  • a variety of specially designed floodlight reticulated corneal mapping graphics can be used to realize the internal depth and surface of the ocular transparent body part of the ophthalmic slit lamp microscopy instrument.
  • the shape can be expanded by the comprehensive function of pathological observation; and, with the help of the binocular microscope observation device and digital imaging acquisition function of the ophthalmic slit lamp microscopy instrument, a higher resolution corneal surface reticulated image can be obtained, which can be used Its independent and unique system professional digital image analysis process, intelligently strengthens the pathological observation methods and judgment methods based on the principle of corneal surface deformation.
  • the purpose of the present invention is to provide an ophthalmic image analysis system based on ophthalmic slit lamp and additional floodlight projection device to improve and expand the professional technical means of this type of ophthalmic pathological examination equipment, which can combine a variety of special Objective
  • the floodlight mesh map is projected on the surface of the cornea of the eye, so that the binocular microscope device of the ophthalmic slit lamp microscopy instrument can be directly used for pathological observation and corresponding pathological analysis.
  • the key point is that it also includes a floodlight projection device, an image acquisition device, and an image analysis device, wherein:
  • the floodlight projection device is detachably and rotatably connected to the slit lamp microscopy instrument, and is used to form a floodlight mapping pattern with a special net pattern on the surface of the cornea to be inspected;
  • the image acquisition device is used for optical image acquisition of the flood light mapping pattern formed on the surface of the cornea of the eye to be inspected through the optical path tunnel to form an inspection data packet and send it to the image analysis device;
  • the image analysis device is used for process-based processing, data-based filtering and comparison determination, and pathological analysis on the acquired inspection data packets to obtain pathological inspection results.
  • the floodlight projection device includes a floodlight projection structure and a projection light source attached in front of the objective lens of the slit lamp microscopy instrument; a support arm is fixed on the projection device, and the free end of the support arm is used to communicate with the The slit lamp microscopy instrument is rotated and connected, and the projection structure can image the projection pattern required for the ophthalmological inspection on the surface of the cornea of the to-be-tested flood light mapping pattern with special net patterns.
  • the center of the projection structure is provided with a light path hole along its axial direction
  • the projection pattern can be quickly replaced by the positioned slide-type pattern insert.
  • the projection light source adopts a reflective color filter flood light source, which is arranged in a ring shape and is collinear with the center line of the projection structure.
  • a result printing device which can print out analytical images and data measurement charts based on the results of the computer software-assisted analysis obtained by the independent digital image acquisition, processing and analysis system to provide clinical auxiliary pathological analysis.
  • the present invention is based on a desktop ophthalmic slit lamp microscopy instrument as a platform, while maintaining the original functions of the ophthalmic slit lamp microscopy instrument without being changed and limited, it uses a variety of special purpose designs through additional floodlight projection imaging devices
  • the floodlight reticulated corneal mapping pattern realizes the comprehensive functional expansion of the ophthalmic slit lamp microscopy instrument for pathological observation of the internal depth and surface shape of the ocular transparent body;
  • the floodlight projection device is designed to be completely swingable and placed in the front area of the binocular microscope objective of the ophthalmic slit lamp microscopy instrument. It can be moved to the non-working position while maintaining the connection when not in use. It may hinder the normal use of the slit light source projection device of the ophthalmic slit lamp microscopy instrument, which is highly convenient to use;
  • Figure 1 is a schematic block diagram of the present invention
  • Figure 2 is a schematic structural diagram of a floodlight projection device
  • Figure 3 is a schematic diagram of the state of use of the floodlight projection device
  • Figure 4 is a working flow chart of the present invention.
  • an ophthalmic image analysis system based on an ophthalmic slit lamp and an additional floodlight projection device includes a slit lamp microscopy instrument 20, an image acquisition device 30, an independent image analysis device 40, and a result printing device 50, among them:
  • the floodlight projection device 10 is detachably and rotatably connected to the slit lamp microscopy instrument 20, and is used to form a floodlight mapping pattern with a special mesh on the surface of the cornea to be inspected;
  • the image acquisition device 30 is configured to perform optical image acquisition on the floodlight mapping pattern formed on the surface of the cornea of the eye to be inspected through the optical path tunnel to form an inspection data packet, and send it to the image analysis device 40;
  • the image analysis device 40 is used to perform process-based processing, data-based filtering and comparison measurement, and pathological analysis on the acquired inspection data packets to obtain pathological inspection results; wherein, the process-based processing includes the processing of graphics in the inspection data packets.
  • the data is filtered and strengthened; the data-based filtering and comparison measurement function refers to the pattern comparison screening and data measurement with the patterns stored in the standard pattern library in the image analysis device 40, so as to extract the patterns with pathological changes, and then to Provide basis for pathological analysis;
  • the result printing device 50 is used to print the pathological examination result obtained by the image analysis device 40.
  • the slit lamp microscopy instrument 20, the image acquisition device 30, and the result printing device 50 may all be devices in the prior art, and the specific structure is not repeated here.
  • the image combination analysis system of the present invention is based on the optical microscope structure of the slit lamp, and projects the images, graphics, and lines projected by the internal light source of the flood projection device 10 on the surface of the cornea of the eye, and the corresponding images, graphics, and lines are imaged on the surface of the cornea.
  • the floodlight mapping graphics are used to digitally capture images, realize optical image collection, form inspection data packets and send them to the image analysis device 40 for flow processing, data filtering and comparison determination, pathological analysis, and obtain pathological inspection results and pass the result printing device 50 to print.
  • the floodlight projection device is located between the eye and the slit lamp microscopy instrument 20 when in use, and includes an outer cover 11, and a projection structure 12 and a projection light source 13 arranged in the outer cover 11
  • a support arm 14 is fixed on the side wall of the outer cover 11, and the free end of the support arm 14 is used to rotatably connect with the slit lamp microscopy instrument 20, and is provided in the center of the outer cover 11 along its axial direction.
  • the projection light source 13 is embedded on the inner wall of the mounting cavity 15, the projection structure 12 is installed in the mounting cavity 15 and is located close to the projection light source 13, and the projection structure 12 is arranged close to the slit lamp microscopy instrument 20, and the projection light source 13 and the projection structure 12 form a floodlight projection channel along the axis of the through hole 15.
  • the center of the projection structure 12 is provided with a light path hole 16 along its axial direction, and the projection pattern can be quickly replaced by a positioned slide pattern insert.
  • the projection light source 13 adopts a reflective color filter flood light source, which is arranged in a ring shape and is collinear with the center line of the projection structure. Moreover, the projection light source 13 has a structure that can be flexibly replaced and assembled.
  • the floodlight projection device 10 is only used as an additional device, and will not affect the main function of the slit lamp and other additional functions. It is just an increase in the function of the slit lamp microscopy instrument 20. See FIG. 2, the floodlight projection device 10 is designed It can be completely swayed and placed in the front area of the binocular microscope objective of the ophthalmic slit lamp microscopy instrument 20 for optical observation. The floodlight projection device 10 can be moved to a non-operating position while remaining connected when not in use, and It will not hinder the normal use of the slit light source projection device of the ophthalmic slit lamp microscopy instrument 20.
  • the specific connection method is as follows: the floodlight projection device 10 and the slit lamp microscopy instrument 20 adopt a hanging connection method, that is, the floodlight projection device 10 is connected to the ophthalmic slit lamp microscopy instrument 20 through a support arm 14 by rotation.
  • the shaft of the optical microscope can be rotated left and right and moved back and forth.
  • the slit lamp microscopy instrument 20 includes a platform moving assembly 21, a control handle 22, a bracket 23, a cheek bracket 24, an observation assembly 25, an illumination assembly 26, and a digital assembly 27.
  • the control handle 22 is arranged at all On the right side of the platform moving assembly 21, the bracket 23 is connected to the middle of the platform moving assembly 21, the cheek bracket 24 is connected to the left side of the platform moving assembly 21, and the bracket 22 is fixedly connected to the observation
  • the component 25 is connected to the lighting component 26, the floodlight projection device 10 is rotatably connected with the rotating shaft on the bracket, and the digital component 27 is connected under the observation component 25.
  • Step 1 The floodlight projection device 10 is used to form a floodlight mapping pattern with a special net pattern on the surface of the cornea to be inspected, and the cornea to be inspected is routinely inspected by the slit lamp microscopy instrument 20;
  • Step 2 Use the image acquisition device 30 to perform optical image acquisition on the floodlight mapping pattern formed on the surface of the cornea to be inspected to realize the pattern acquisition and form an inspection data packet, and send the inspection data packet to the image analysis device 40;
  • Step 3 The image analysis device 40 filters and strengthens the graphic data in the inspection data packet, and then performs graphic comparison screening and data measurement with the standard graphics stored in the standard graphic library of the image analysis device 40, thereby extracting the occurrence of pathology Change the graph, and then perform pathological analysis to get the pathological examination result;
  • Step 4 Use the result printing device 50 to print out the pathological examination result.
  • the present invention is based on the desktop ophthalmic slit lamp microscopy instrument 20 as a platform. Under the premise that the original functions of the ophthalmic slit lamp microscopy instrument 20 are not changed and limited, it can directly observe a variety of floodlight mesh maps with special purpose designs The pathological characteristics of the pattern changing on the surface of the cornea, and through the digital imaging acquisition function, a higher resolution corneal surface reticulated image can be obtained for independent and intelligent process professional pathological analysis, realizing an intelligent cornea The pathological observation methods and judgment methods based on the principle of surface deformation have improved and expanded the professional technical methods of using the ophthalmic slit lamp microscopy instrument 20 for pathological examination.
  • Ophthalmic image analysis system based on ophthalmic slit lamp and additional floodlight projection device to improve and expand the professional technical means of this type of ophthalmic pathology examination equipment, which can project a variety of special purpose floodlight mesh mapping patterns on the surface of the eye cornea Therefore, the binocular microscope device of the ophthalmic slit lamp microscope can be used for direct pathological observation and corresponding pathological analysis.

Abstract

一种基于眼科裂隙灯的附加泛光投影装置（10）及眼科图像分析系统，包括裂隙灯显微镜检查仪（20）、泛光投影装置（10）以及图像采集装置（30）、图像分析装置（40），泛光投影装置（10）可拆卸地转动连接于裂隙灯显微镜检查仪（20）上，用于在待检测眼角膜表面形成具有特殊网纹的泛光映射图形；图像采集装置（30）用于通过光路孔道对待检测眼角膜表面形成的泛光映射图形进行光学影像采集，形成检查数据包，并发送至图像分析装置（40）；图像分析装置（40）用于对获取的检查数据包进行流程化处理、数据化过滤对比测定、病理性分析，得出病理检查结果。基于眼科裂隙灯的附加泛光投影装置（10）及眼科图像分析系统完善并拓展了利用裂隙灯显微镜检查仪（20）作病理检查的专业性技术手段。

Description

基于眼科裂隙灯的附加泛光投影装置及图像分析系统 技术领域
本发明涉及到眼科医疗设备技术领域，具体涉及一种基于眼科裂隙灯的附加泛光投影装置及图像分析系统。
背景技术
台式眼科裂隙灯显微镜检查仪作为眼科医疗最广泛应用的病理检查设备，是基于以下两项基本设备结构装置对于眼部实现病理临床的检查，即裂隙光投影装置和双目显微镜观测装置(或附有数码成像记录装置)，原理在于以适当角度、宽度的裂隙强光照射眼球透明体纵深，加以光学切片形式实现双目高倍显微详细观察并获得病理图像。
然而，对于眼球角膜表面形体状况的病理观察，则是这类眼科专用医疗设备所不具备的功能。因此，眼科裂隙灯显微镜检查仪作为具有显微观察能力的平台，仍然具有可拓展利用其功能的空间。
基于眼科的眼角膜专项病理观测的临床需求，此发明开发一项针对于眼睛表面形状及状况观察所需的眼角膜泛光源投射网纹成像变化原理的专门附加装置，在不影响原设备功能前提下，可依据台式眼科裂隙灯显微镜检查仪为平台，应用多种具有特殊目的设计的泛光网纹眼角膜映射图形，实现在于眼科裂隙灯显微镜检查仪的对于眼球透明体部位内部纵深状态和表面形状都能加以病理观测的全面功能拓展；并且，借助于眼科裂隙灯显微镜检查仪所具有双目显微镜观测装置和数码成像采集功能可以获得较高分辨率的眼角膜表面网纹映射图像，可运用其独立独特的系统专业数码图像分析流程，智能性强化针对于眼角膜表面变形原理下的病理观测手段和判断方法。
发明内容
有鉴于此，本发明的目的是提供一种基于眼科裂隙灯及附加泛光投影装置的眼科图像分析系统，以完善并拓展此类型眼科病理检查设备的专业性技术手段，可将多种具有特殊目的泛光网纹映射图形投射在眼睛角膜表面，从 而可以利用眼科裂隙灯显微镜检查仪的双目显微镜装置直接进行病理观察，并加以相应病理分析。
为达到上述目的，本发明采用的技术方案如下：
一种基于眼科裂隙灯的附加泛光投影装置及图像分析系统，包括裂隙灯显微镜检查仪，其关键在于：还包括泛光投影装置以及图像采集装置、图像分析装置，其中：
所述泛光投影装置可拆卸的转动连接于所述裂隙灯显微镜检查仪上，用于在待检测眼角膜表面形成具有特殊网纹的泛光映射图形；
所述图像采集装置用于通过光路孔道对待检测眼角膜表面形成的泛光映射图形进行光学影像采集，形成检查数据包，并发送至图像分析装置；
所述图像分析装置用于对获取的检查数据包进行流程化处理、数据化过滤对比测定、病理性分析，得出病理检查结果。
进一步的，所述泛光投影装置包括附加在所述裂隙灯显微镜检查仪物镜前的泛光投影结构和投影光源；该投影装置上固定有支臂，该支臂的自由端用于与所述裂隙灯显微镜检查仪转动连接，所述投影结构可将眼科检查所需的投影图案在待检测眼角膜表面成像具有特殊网纹的泛光映射图形。
进一步的，所述投影结构的中心沿其轴向开设有光路孔道，
进一步的，所述投影图案可由被定位的幻灯式图案插片快速装换。
进一步的，所述投影光源采用反光式滤色泛光源，呈环形布置且与所述投影结构的中心线共线。
进一步的，还包括结果打印装置，可根据独立的数码图像获取处理分析系统所获得电脑软件辅助分析的结果，打印出解析图像和数据测量图表提供临床做辅助病理分析。
本发明的显著效果是：
1、本发明依据台式眼科裂隙灯显微镜检查仪为平台，在保持眼科裂隙灯 显微镜检查仪原有功能不被改变和受限前提下，通过附加的泛光投影成像装置运用多种具有特殊目的设计的泛光网纹眼角膜映射图形，实现了眼科裂隙灯显微镜检查仪对眼球透明体部位内部纵深状态和表面形状都能加以病理观测的全面功能拓展；
2、泛光投影装置被设计成可完整摆动而放置在眼科裂隙灯显微镜检查仪双目显微镜物镜光学观测的前方区域，在不被使用时可在保持连接状态下移动到非工作位置，并不会有妨碍于眼科裂隙灯显微镜检查仪的裂隙光源投射装置的正常使用，使用便利性高；
3、不仅可以直接观测多种具有特殊目的设计的泛光网纹映射图形在眼角膜表面发生变化的病理性状，还可以通过数码成像采集获得较高分辨率的眼角膜表面网纹映射图像，来进行独立智能流程化的专业性病理分析，实现了智能化的眼角膜表面变形原理下的病理观测手段和判断方法，从而完善并拓展了利用眼科裂隙灯显微镜检查仪作眼科病理检查的专业性技术手段。
附图说明
图1是本发明的原理框图；
图2是泛光投影装置的结构示意图；
图3是泛光投影装置的使用状态示意图；
图4是本发明的工作流程图。
本发明的较佳实施方式
下面结合附图对本发明的具体实施方式以及工作原理作进一步详细说明。
如图1所示，一种基于眼科裂隙灯及附加泛光投影装置的眼科图像分析系统，包括裂隙灯显微镜检查仪20，以及图像采集装置30、独立的图像分析装置40、结果打印装置50，其中：
所述泛光投影装置10可拆卸的转动连接于所述裂隙灯显微镜检查仪20 上，用于在待检测眼角膜表面形成具有特殊网纹的泛光映射图形；
所述图像采集装置30用于通过光路孔道对待检测眼角膜表面形成的泛光映射图形进行光学影像采集，形成检查数据包，并发送至图像分析装置40；
所述图像分析装置40用于对获取的检查数据包进行流程化处理、数据化过滤对比测定、病理性分析，得出病理检查结果；其中，所述流程化处理包括对检查数据包中的图形数据进行过滤加强；所述数据化过滤对比测定功能指的是与存储在图像分析装置40内标准图形库中图形进行图形比对筛查与数据测量，从而提取出发生病理性变化的图形，进而为病理性分析提供依据；
所述结果打印装置50用于对所述图像分析装置40得出的病理检查结果进行打印。
本例中，所述裂隙灯显微镜检查仪20、图像采集装置30、结果打印装置50均可以为现有技术中的装置，具体结构在此不做赘述。
本发明所述图像组合分析系统基于裂隙灯的光学显微镜结构，把泛光投影装置10内部光源投射出来的图像、图形、线条投影在眼睛角膜表面上，在角膜表面成像出相应的图像、图形、线条形状投影，通过眼科裂隙灯显微镜检查仪20自身的光学显微镜进行不同放大倍率(6X、10X、15X、25.6X、40X)的观察，然后图像采集装置30通过光路孔道对待检测眼角膜表面形成的泛光映射图形进行数码拍摄图像，实现光学影像采集，形成检查数据包后发送至图像分析装置40进行流程化处理、数据化过滤对比测定、病理性分析，得出病理检查结果并通过结果打印装置50进行打印。
参见附图2与附图3，所述泛光投影装置在使用时位于眼睛与裂隙灯显微镜检查仪20之间，包括外罩11、以及设于所述外罩11内的投影结构12和投影光源13；所述外罩11的侧壁上固定有支臂14，该支臂14的自由端用于与所述裂隙灯显微镜检查仪20转动连接，在所述外罩11的中心开设有 沿其轴向设置的安装腔15，所述投影光源13嵌设在所述安装腔15的内壁上，所述投影结构12装设于所述安装腔15内且靠近所述投影光源13设置，且所述投影结构12靠近于所述裂隙灯显微镜检查仪20设置，所述投影光源13与投影结构12沿着所述通孔15的轴线形成泛光投射通道。
图2中，所述投影结构12的中心沿其轴向开设有光路孔道16，其投影图案可由被定位的幻灯式图案插片快速装换。
本例中，所述投影光源13采用反光式滤色泛光源，呈环形布置且与所述投影结构的中心线共线。并且，所述投影光源13是可以灵活更换拆装的结构。
投影光源13中间有一个孔，便于眼科裂隙灯显微镜检查仪20的光学显微镜从孔里面观察投影到眼睛角膜表面的泛光映射图形，通过对泛光映射图形进行数码图像采集，即可进行独立智能流程化的专业性病理分析。
泛光投影装置10仅作为一个附加装置，不会影响裂隙灯的主要功能和其它附加功能，只是裂隙灯显微镜检查仪20功能的增加，参见附图2，所述的泛光投影装置10被设计成可完整摆动而放置在眼科裂隙灯显微镜检查仪20的双目显微镜物镜光学观测的前方区域，所述泛光投影装置10在不被使用时可在保持连接状态下移动到非工作位置，并不会有妨碍于眼科裂隙灯显微镜检查仪20的裂隙光源投射装置的正常使用。具体连接方式为：所述泛光投影装置10与裂隙灯显微镜检查仪20之间采用上挂式连接方式，也就是把泛光投影装置10通过支臂14转动连接到眼科裂隙灯显微镜检查仪20的光学显微镜上的转轴，并可以左右转动及前后移动。
图3中，所述裂隙灯显微镜检查仪20包括平台移动组件21、操控手柄22、支架23、腮托架24、观察组件25、照明组件26以及数码组件27，所述操控手柄22设于所述平台移动组件21的右侧，所述支架23连接于所述平台移动组件21的中部，所述腮托架24连接于平台移动组件21左侧，在 所述支架22上固定连接所述观察组件25与照明组件26，所述泛光投影装置10与支架上的转轴转动连接，所述数码组件27连接于所述观察组件25的下方。
如图4所示，本发明所述系统的工作流程如下：
步骤1：通过所述泛光投影装置10在待检测眼角膜表面形成具有特殊网纹的泛光映射图形，并通过所述裂隙灯显微镜检查仪20对待检测眼角膜进行常规性检测；
步骤2：利用所述图像采集装置30对待检测眼角膜表面形成的泛光映射图形进行光学影像采集，实现图形获取并形成检查数据包，将检查数据包发送至图像分析装置40；
步骤3：所述图像分析装置40对检查数据包中的图形数据进行过滤加强后与存储在图像分析装置40标准图形库中的标准图形进行图形比对筛查与数据测量，从而提取出发生病理性变化的图形，然后进行病理性分析后得出病理检查结果；
步骤4：利用所述结果打印装置50打印出所述病理检查结果。
本发明依据台式眼科裂隙灯显微镜检查仪20为平台，在保持眼科裂隙灯显微镜检查仪20原有功能不被改变和受限前提下，可以直接观测多种具有特殊目的设计的泛光网纹映射图形在眼角膜表面发生变化的病理性状，并通过数码成像采集功能可以获得较高分辨率的眼角膜表面网纹映射图像来进行独立智能流程化的专业性病理分析，实现了智能化的眼角膜表面变形原理下的病理观测手段和判断方法，从而完善并拓展了利用眼科裂隙灯显微镜检查仪20作病理检查的专业性技术手段。
以上对本发明所提供的技术方案进行了详细介绍。本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修 饰，这些改进和修饰也落入本发明权利要求的保护范围内。
工业实用性
基于眼科裂隙灯及附加泛光投影装置的眼科图像分析系统，以完善并拓展此类型眼科病理检查设备的专业性技术手段，可将多种具有特殊目的泛光网纹映射图形投射在眼睛角膜表面，从而可以利用眼科裂隙灯显微镜检查仪的双目显微镜装置直接进行病理观察，并加以相应病理分析。

Claims (6)

  1. 一种基于眼科裂隙灯的附加泛光投影装置及图像分析系统，包括裂隙灯显微镜检查仪，其特征在于：还包括泛光投影装置以及图像采集装置、图像分析装置，其中：
    所述泛光投影装置可拆卸的转动连接于所述裂隙灯显微镜检查仪上，用于在待检测眼角膜表面形成具有特殊网纹的泛光映射图形；
    所述图像采集装置用于通过光路孔道对待检测眼角膜表面形成的泛光映射图形进行光学影像采集，形成检查数据包，并发送至图像分析装置；
    所述图像分析装置用于对获取的检查数据包进行流程化处理、数据化过滤对比测定、病理性分析，得出病理检查结果。
  2. 根据权利要求1所述的基于眼科裂隙灯的附加泛光投影装置及图像分析系统，其特征在于：所述泛光投影装置包括附加在所述裂隙灯显微镜检查仪物镜前的投影结构和投影光源；该泛光投影装置上固定有支臂，该支臂的自由端用于与所述裂隙灯显微镜检查仪转动连接，所述投影结构可将眼科检查所需的投影图案在待检测眼角膜表面成像具有特殊网纹的泛光映射图形。
  3. 根据权利要求2所述的基于眼科裂隙灯的附加泛光投影装置及眼科分析系统，其特征在于：所述投影结构的中心沿其轴向开设有光路孔道，所述投影图案形成于所述光路孔道的侧壁上。
  4. 根据权利要求2或3所述的基于眼科裂隙灯的附加泛光投影装置及图像分析系统，其特征在于：所述投影图案可由被定位的幻灯式图案插片快速装换。
  5. 根据权利要求2所述的基于眼科裂隙灯的附加泛光投影装置及图像分析系统，其特征在于：所述投影光源采用反光式滤色泛光源，呈环形布置 且与所述投影结构的中心线共线。
  6. 根据权利要求1所述的基于眼科裂隙灯的附加泛光投影装置及图像分析系统，其特征在于：还包括结果打印装置，可根据独立的数码图像获取处理分析系统所获得电脑软件辅助分析的结果，打印出解析图像和数据测量图表提供临床做辅助病理分析。
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