CN109998475A - A kind of ophthalmoscopic image check device - Google Patents

Abstract

A kind of ophthalmoscopic image check device, including fundus camera and inspection terminal, check that terminal includes the display screen for connecting and capable of being folded on host with host machine part, host is equipped with keyboard, fundus camera placing groove, power interface and a variety of data connection ports；Mainboard, processor, memory and network communication module are equipped in host；Fundus camera placing groove is for storing the fundus camera；Fundus camera is the fundus camera of straight-bar type, and the front end of shell is equipped with camera lens, is sequentially equipped with light structures, lens group, focusing structure and battery on the inside of camera lens；Shell on the outside of lens group is equipped with film key, is equipped with the control circuit board connecting with battery in the shell of the side of focusing structure, focusing structure, light structures and film key are connect with control circuit board；Control circuit board is connected with network communication module and data connection port.Structure of the invention is simple and convenient to operate, and greatly improves the efficiency of funduscopy, and more secure support is provided for Eye disease treating.

Description

A fundus imaging device

technical field

The present invention relates to an ophthalmic inspection device, in particular to an eye fundus image inspection device comprising a small straight rod type eye fundus camera and an inspection terminal combined set.

Background technique

Fundus inspection is a relatively advanced inspection item. In order to accurately obtain diagnostic judgment data, it is necessary to use fundus image acquisition equipment to collect images of the fundus. Fundus inspection must be achieved by using instruments and equipment. The fundus, also known as the posterior segment, refers to the part of the eye that lies behind the lens, including the vitreous, choroid, optic nerve, and retina. Commonly used instruments and equipment are generally direct ophthalmoscope, indirect ophthalmoscope, fundus photography, scanning laser ophthalmoscope, optic nerve head analyzer, optical coherence tomography and so on. The more accurate and direct is the fundus photographic examination, which can directly obtain the influence of the fundus for medical judgment, and the existing fundus cameras, no matter what principle, are desktop fixed fundus camera equipment, which needs to be fixed on the testing table. and connect the desktop terminal computer and monitor for signal processing and image display. Patients who want to undergo fundus photography must go to a specific examination room to do fundus photography, and the doctor who diagnoses and diagnoses can only obtain the examination data for medical judgment after obtaining the image after the examination, or the doctor needs to go to a specific examination room. Real-time inspection is possible, and the equipment submission is large, and the inspection flexibility and convenience are extremely insufficient.

In the camera structure of optical focusing, the accuracy of focusing is directly related to the quality of taking pictures or videos of the entire camera. At present, many cameras that focus on materials cannot be controlled very accurately in terms of accuracy, and the picture shakes or blurs in extremely subtle situations. There are two types of focusing structures for commonly used SLR cameras or some camera lenses. One is the lens motor-type focusing structure, which can drive the internal lens group to move through the rotation of the lens to achieve zooming; the other is the motor built into the camera. In the camera, the lens with the fixed lens group is moved back and forth by the motor and the changing gear to realize zooming; the traditional one is mostly the latter. In addition to making the motor and lens group more compact and the overall structure of the camera smaller, the lens group moves at an angle of 100 degrees, and more importantly, through power steering, the lens that may be caused by the jitter of the motor output shaft is eliminated. However, due to the possibility of axial vibration of the steering gear, its stability cannot reach a perfect level; and in electronic cameras, the lens motor-type focusing structure is more used, which is achieved by moving the lens. The inner structure is set to have a structure driven by a motor, and the entire lens itself is used as a motor to provide a rotating power source, thereby better solving the problem of lens shake. In many applications, a straight-rod camera structure needs to be used. If a lens motor-type focusing structure is used, the manufacturing process and precision of the lens-motor focusing structure are very high, not only the structure and assembly complexity is high, but also It will greatly increase the cost of the camera. However, when other existing focusing structures are applied to a straight-rod camera, they cannot avoid axial shaking during the focusing process, and have the defect of reducing the shooting accuracy.

In order to better meet the inspection needs of fundus photography, a fundus camera device with a light structure and convenient operation is urgently needed to improve the efficiency and quality of fundus inspection.

SUMMARY OF THE INVENTION

The technical problem solved by the present invention is to provide a fundus image inspection device, which is a complete set of portable equipment of camera and terminal with light structure and convenient operation.

The technical solution of the present invention is:

A fundus image inspection device, which includes a fundus camera and an inspection terminal,

The inspection terminal is a notebook-type intelligent terminal, including a display screen that is partially connected to the host and can be folded to the host, and the host is provided with a keyboard, a fundus camera placement slot, a power interface and a variety of data connection ports; The host is provided with a main board, a processor, a memory and a network communication module; the fundus camera placement slot is used to accommodate the fundus camera; the fundus camera is a straight-rod fundus camera, including a long casing , the front end of the casing is provided with a lens, and the inner side of the lens is sequentially provided with an illumination structure, a lens group, a focusing structure and a battery to form a straight-rod camera structure; the outer casing of the lens group is provided with a membrane button, a control circuit board is arranged in the casing on the side of the motor of the focusing structure, the control circuit board is connected with the battery, and the focusing structure, the lighting structure and the membrane button are connected with the control circuit board; The control circuit board is connected with a network communication module and a data connection port.

The fundus image inspection device as described above, wherein the focusing structure includes a motor, a support sleeve, a sensor, a sensor support and a focusing rotor, the support sleeve is fixedly mounted on the motor, and the motor drives The rod is arranged in the support sleeve; the center part of the focusing rotor is provided with a center wire hole, the driving rod of the motor is a screw rod, and the center wire hole of the focusing rotor is installed on the drive through screw fitting The sensor bracket is arranged in the bracket sleeve, and the bottom of the sensor bracket is provided with a driving rod sleeve, the driving rod sleeve is sleeved around the driving rod, and the side wall of the driving rod sleeve is provided with There is a rotor hole passing through transversely, the focusing rotor is arranged in the rotor hole, and the focusing rotor can be located in the rotor hole between the drive rod sleeve and the direction perpendicular to the drive rod Relative sliding; the sensor is fixed on the top of the bracket sleeve.

The fundus image inspection device as described above, wherein the driving rod sleeve is provided with two rotor holes arranged in parallel up and down, the focusing rotors are respectively provided in each of the rotor holes, and the driving rod is threaded through a thread. The two focusing rotors form an included angle of 90 degrees in the horizontal direction; the upper and lower sides of the focusing rotors are in sliding contact with the upper and lower sides of the rotor holes. .

The fundus image inspection device as described above, wherein a limit switch is arranged in the side wall of the bracket sleeve, and a limit piece that can slide in the axial direction of the driving rod is arranged on the limit switch, and the limit piece The fixed end of the sensor is fixed on the outside of the sensor bracket.

The fundus image inspection device as described above, wherein the inner side of the support sleeve is provided with a sensor support slideway extending along the axial direction of the drive rod, and the sensor supporter is provided with a sliding fit with the sensor support slideway. rails.

The fundus image inspection device as described above, wherein the membrane key is composed of a PET cover layer, a cover glue, a Dome sheet, a separation layer, a circuit layer and a back glue from the outermost layer inward; the cover glue and the separation The layer is provided with an opening at the position of the metal dome of the Dome sheet.

The fundus image inspection device as described above, wherein the lighting structure includes an LED lamp ring and an illumination light guide, and the LED lamp ring is a structure in which a plurality of LED lamp beads are evenly arranged on a ring-shaped lamp strip, so The illuminating light guide is a transparent hollow conical ring, the constriction at the upper end is the eyeball shooting contact end, and the flaring at the lower end is connected with the LED light ring; the end surface of the flaring at the lower end is an inclined annular surface, and The inclined annular surface is perpendicular to the outer side wall of the illumination light guide member, the outer side surface of the illumination light guide member is provided with an electroplating layer; the inner side surface of the illumination light guide member is provided with an electroplating layer.

The fundus image inspection device as described above, wherein the irradiation surface of the LED lamp beads on the LED lamp ring is arranged at an inclination angle parallel to the inclined annular surface, and the irradiation surface of each LED lamp bead is facing the The inclined torus.

In the above-mentioned fundus image inspection device, the illumination light guide member is made of transparent acrylic material, and a lens installation step is provided on the inner side thereof.

In the above-mentioned fundus image inspection device, a ring-shaped magnetic levitation rotating track is arranged below the light strip.

Known from the above description, the present invention indeed has the following advantages:

The fundus image inspection device of the present invention includes a straight-rod fundus camera and a portable notebook-type inspection terminal. When performing fundus inspection, it is only necessary to hold a small fundus camera directly at the patient's eye to take a fundus photo. Fundus images are collected and transmitted to the inspection terminal through the network for further image processing, display and analysis, providing medical staff with more convenient fundus examination methods and eye disease treatment judgment basis. In addition, the present invention adopts the structure of the straight-rod fundus camera, which not only makes the structure of the fundus camera more suitable for being portable and hand-held, but also solves the defects of accuracy and clarity when taking pictures with the straight-rod fundus camera. With extremely high precision and stability, the present invention can solve the problem of unclear defects caused by the straight rod motor focusing, and make the fundus imaging of the present invention clearer and more accurate. The present invention further improves the lighting structure of the fundus camera, so that the lighting effect in the eyeball of the fundus camera is more uniform and clear when shooting. The present invention provides a more convenient way for fundus diagnosis and treatment, reduces the cost of eye disease diagnosis by medical institutions and medical staff, and reduces the complexity of patients' examination for treating eye diseases, which is convenient for patients and improves the efficiency of medical diagnosis.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a preferred embodiment of the fundus imaging inspection device of the present invention;

2 is a schematic diagram of a fundus camera according to a preferred embodiment of the fundus image inspection device of the present invention;

3 is a schematic cross-sectional structural diagram of a fundus camera according to a preferred embodiment of the fundus image inspection device of the present invention;

FIG. 4 is a schematic diagram of the overall structure of the focusing structure of the preferred embodiment of the fundus image inspection device of the present invention;

FIG. 5 is a schematic diagram of a decomposed structure of a focusing structure of a preferred embodiment of the fundus image inspection device of the present invention;

6 is a schematic cross-sectional structural diagram of a focusing structure of a preferred embodiment of the fundus image inspection device of the present invention;

FIG. 7 is a schematic structural diagram of a membrane button of a preferred embodiment of the fundus image inspection device of the present invention.

Main component label description:

this invention:

1: Examination terminal 2: Fundus camera 21: Lens

22: Lighting structure 23: Membrane key 24: Lens group

25: Focusing structure 26: Battery 27: Control circuit board

1': Bracket Sleeve 2': Sensor Bracket 21': Drive Rod Sleeve

22': Rotor hole 3': Motor 31': Drive rod

32': Motor Mounting Bracket 4': Focusing Rotor 5': Sensor

6': Limit switch 61': Limit piece 7': Sensor bracket slide

1": LED light ring 2": Lighting light guide 3": Light strip

4": LED lamp beads 5": Eyeball 6": Inclined torus

7": flared arc

Detailed ways

In order to have a clearer understanding of the technical features, objects and effects of the present invention, the specific embodiments of the present invention will now be described with reference to the accompanying drawings.

A fundus image inspection device of the present invention, in a preferred embodiment, please refer to FIGS. 1 to 3 , the fundus image inspection device includes a fundus camera and an inspection terminal 1, and the inspection terminal 1 is a notebook type. The intelligent terminal includes a display screen that is partially connected to the host and can be folded to the host, the host is provided with a keyboard, a fundus camera placement slot, a power interface and a variety of data connection ports; device, memory and network communication module; the fundus camera placement slot is used to accommodate the fundus camera; the fundus camera is a straight-rod fundus camera, including a long casing, and the front end of the casing is provided with The lens 21, the inner side of the lens 21 is sequentially provided with an illumination structure 22, a lens group 24, a focusing structure 25 and a battery 26 to form a straight-rod camera structure; the outer casing of the lens group 24 is provided with a membrane button 23. A control circuit board 27 is provided in the housing on the side of the motor of the focusing structure 25. The control circuit board 27 is connected to the battery 26. The focusing structure 25, the lighting structure 22 and the membrane button 23 are connected to the The control circuit board 27 is connected; the control circuit board 27 is connected with a network communication module and a data connection port. The fundus image inspection device of the present invention integrates a split fundus camera and an inspection terminal. As shown in FIG. 1, the inspection terminal is a computer terminal in the shape of a portable notebook, and the fundus camera placement slot on the main body of the inspection terminal can be used for The fundus camera is suitable for accommodating a small straight-type fundus camera, and a charging device capable of charging the battery of the fundus camera is provided in the fundus camera placement slot, which can be wired or wireless charging. The front end of the fundus camera is equipped with a membrane button, which is more convenient for the examiner to operate by hand. The images collected by the fundus camera are transmitted to the examination terminal through the network communication module, and are processed, displayed and analyzed on the examination terminal, so as to provide the medical staff with the examination results of the fundus examination. .

The focusing structure of the fundus image inspection device of the present invention can effectively suppress the lateral shaking problem during the focusing process, improve the stability of the focusing structure in the process of taking pictures by the camera, and enable the image to obtain extremely high definition and precision Spend. Please refer to FIG. 4 to FIG. 6 , in a preferred embodiment, it includes a motor 3 ′, a support sleeve 1 ′, a sensor 5 ′, a sensor support 2 ′ and a focusing rotor 4 ′, the support sleeve 1 ' 'Fixedly installed on the motor 3', the drive rod 31' of the motor 3' is arranged in the support sleeve 1'; the center of the focusing rotor 4' is provided with a center wire hole, and the motor The driving rod 31' of 3' is a screw rod structure, and the center screw hole of the focusing rotor 4' is mounted on the driving rod 31' through screw fitting; the sensor bracket 2' is arranged on the bracket sleeve 1 ', its bottom is provided with a drive rod sleeve 21', the drive rod sleeve 21' is sleeved around the drive rod 31', and the side wall of the drive rod sleeve 21' is provided with a transversely penetrating rotor A hole 22', the focusing rotor 4' is arranged in the rotor hole 22', and the focusing rotor 4' can be in the rotor hole 22' in a direction perpendicular to the driving rod 31' and all The drive rod sleeves 21' slide relative to each other; the sensor is fixed on the top of the bracket sleeve 1'. As shown in the figure, in this preferred embodiment of the present invention, the support sleeve 1', the sensor support 2' and the motor 3' are all arranged coaxially, and the support sleeve 1' is sleeved outside the sensor support 2' , the sensor bracket 2' is sleeved outside the drive rod 31' of the motor 3', and a sensor 5' capable of receiving image signals is fixed on the top of the sensor bracket 2'; the focus rotor 4' is sleeved on the drive rod 31' of the motor 3' , the focusing rotor 4' is limited to the rotor hole 22' of the support sleeve 1'. When the motor 3' drives the rod 31' to rotate, the focusing rotor 4' will move along the driving rod 31'. The axis of the motor 3' moves back and forth, so that the up and down movement of the focusing rotor 4' can be controlled through the forward or reverse rotation of the motor 3', and the focusing rotor 4' is limited in the axial direction of the driving rod 31' through the rotor hole 22'. , which drives the sensor bracket 2' to move up and down, whereby the sensor 5' mounted on the top of the sensor bracket 2' can move in different image focus positions, and the sensor 5' can control the motor 3 according to the definition of the received image. ' rotation, so as to realize the focusing operation of the fundus camera. The straight-tube focusing structure of the sensor bracket 2', the focusing rotor 4' and the motor 3' not only enables the fundus camera to adopt a straight-rod structure that is more convenient for hand-holding operation, but also enables the present invention to be used in a straight-tube focusing structure. The focus adjustment structure solves the problem of lateral shaking caused by the instability of the motor during operation. In the application of fundus cameras with extremely high accuracy and clarity requirements, the convenience of fundus cameras is improved, and the time when the fundus camera is photographed is improved. accuracy and clarity.

In a preferred embodiment of the fundus image inspection device of the present invention as described above, the drive rod sleeve 21' is provided with two rotor holes 22' arranged in parallel up and down, and each of the rotor holes 22' The focusing rotors 4' are respectively provided, and the driving rod 31' is threaded through the center wire holes of the two focusing rotors 4'; the two focusing rotors 4' are 90 degrees in the horizontal direction. The included angle; the upper and lower sides of the focusing rotor 4' are in sliding contact with the upper and lower sides of the rotor hole 22'. There are two rotor holes 22' on the position of the drive rod sleeve 21' of the sensor bracket 2', forming a structure of dual rotor transmission control focusing, which can drive the rotor to drive the sensor bracket 2' to move during the rotation of the motor 3' more stable; further, the rotor is set at 90 degrees in the horizontal direction, that is, the two rotor holes 22' are also set at 90 degrees, in the two vertical directions where the drive rod 31' of the motor 3' is swayed laterally The influence of shaking is more conducive to the lateral stability of the sensor bracket 2'. In addition, the lateral width of the rotor can be smaller than the width of the rotor hole 22', which can further provide a sloshing release area with a larger angle range in the lateral direction of the rotor, so that the sloshing effect of the driving rod 31' of the motor 3' is further reduced.

Further, a synchronizing force connected to each other is provided between the two focusing rotors, and the synchronizing force is located outside the driving rod 31' and is parallel to it in the vertical direction, and is connected by the synchronizing force. , so that the structure of synchronous displacement distance is formed between the two focusing rotors 4', avoiding the vertical direction of one focusing rotor 4' due to the displacement gap between the focusing rotor 4' and the lateral distance of the rotor hole 22'. The amount of displacement reduction of , resulting in an error in focus displacement. Preferably, in order to further ensure that the accurate distance of displacement can be maintained in the vertical direction, there will be no small displacement, and the lateral direction will not cause mutual obstruction between two mutually perpendicular directions in the lateral direction due to the connection of the synchronizing force. That is, the difference in the direction of lateral shaking causes one of the focusing rotors 4' to be forced to move laterally with the other focusing rotor at the same time; The spring, which can no longer be compressed in the vertical direction, but can be stretched when the lateral deformation is deflected), whereby the two focusing rotors are connected by the synchronous force of the tightening spring, so that the vertical direction maintains the synchronous displacement distance , and the horizontal direction can have buffer displacement actions that are not hindered by another focusing rotor, and has the reset effect after the horizontal buffering.

As mentioned above, in a preferred embodiment of the fundus image inspection device of the present invention, a limit switch 6' is provided in the side wall of the bracket sleeve 1, and the limit switch 6' is provided with a limit switch 6' capable of driving along the A limit piece 61 ′ on which the rod 31 ′ slides axially, and the fixed end of the limit piece 61 ′ is fixed to the outside of the sensor bracket 2 ′. As shown in the figure, the limit switch 6' is installed on the bracket sleeve 1', and the limit piece 61' fixed on the sensor bracket 2' can make its contact through the sliding of the sensor bracket 2'. Sliding on the limit switch 6', when the sliding distance of the contact reaches the limit distance of the limit switch 6', a limit signal will be sent, thereby controlling the rotation of the motor 3' and controlling the maximum displacement distance of the sensor bracket 2', Make sure that the sensor 5' is focused within the set focus range.

In the above-mentioned fundus image inspection device of the present invention, in a preferred embodiment, the inner surface of the rotor hole 22' is provided with a ball groove, and a ball is installed in the ball groove, and the ball is connected to the focus adjustment. The outer contact surfaces of the rotor 4' are in rolling contact. In a further implementation, balls are provided on the inner surface of the rotor hole 22 ′, mainly on the upper and lower contact surfaces, which can improve the sliding ability of the focusing rotor 4 ′ and reduce frictional resistance.

As described above, in a preferred embodiment of the fundus image inspection device of the present invention, the inner surface of the rotor hole 22 and the outer surface of the focusing rotor 4' are magnetic, and the inner surface of the rotor hole 22' is magnetic. The polarity is opposite to the polarity of the outer side of the focusing rotor 4'. Through the mutually repulsive magnetic arrangement, there is a magnetic repulsion effect between the rotor hole 22' and the focusing rotor 4', so that a state similar to magnetic suspension is generated between the focusing rotor 4' and the rotor hole 22', reducing mutual frictional resistance.

As described above, in a preferred embodiment of the fundus image inspection device of the present invention, please refer to FIG. 5 , the inner side of the support sleeve 1 ′ is provided with a sensor extending along the axial direction of the driving rod 31 ′ Support slideway 7', the sensor support 2' is provided with a slide rail that slides with the sensor support slide rail. The sensor bracket runner 7 is installed and fixed in the bracket sleeve 1' to support the sensor bracket 2', and the sensor bracket 2' can slide on the sensor bracket runner 7'.

As mentioned above, in the preferred embodiment of the fundus image inspection device of the present invention, the sensor support slideway 7 ′ and the slideway are a magnetic suspension slideway matching structure. The slideway and the slide rail adopt a magnetic suspension cooperative sliding method, which can greatly reduce the frictional force between the slide rails and make the focus adjustment operation of the entire focus adjustment structure smoother. Of course, a simple matching structure of the slideway and the slideway made of magnetically repulsive materials can also be used to reduce the influence of frictional force.

As mentioned above, in a preferred embodiment of the fundus image inspection device of the present invention, a motor fixing bracket 32' is installed on one side of the driving rod 31' of the motor 3', and the bracket sleeve 1' It is fixed on the motor fixing bracket 32'. As shown in FIG. 5 , the motor fixing bracket 32 ′ is sleeved on the driving rod 31 ′ and fixed on the top surface of the motor 3 ′, and the bracket sleeve 1 ′ is fixed on the fixing bracket of the motor 3 ′, so that The entire support sleeve 1' and the inner structure are firmly connected to the motor 3'.

As described above, the focusing device of the fundus image inspection device of the present invention is set to a straight rod structure, and the function of focusing displacement of the sensor is realized by using the cooperation of the screw motor, the focusing rotor and the sensor bracket, and at the same time, Through the release structure of the lateral shaking function of the focusing rotor and the sensor bracket, the problem of image blur caused by the inaccurate focusing caused by the horizontal shaking of the straight-rod focusing structure is fundamentally solved. The present invention The application of the fundus camera on the fundus camera can make the images taken by the fundus examination clearer, provide a stronger basis for patients and medical staff to judge and treat eye diseases, and improve the accuracy and efficiency of ophthalmic examination and treatment.

In a preferred embodiment of the fundus image inspection device of the present invention as described above, as shown in FIG. 7 , the membrane buttons are composed of the PET covering layer P1, covering glue P2, Dome sheet P3, The separation layer P4, the circuit layer P5 and the adhesive backing P6 are composed; the cover glue P2 and the separation layer P4 are provided with openings at the positions of the metal elastic pieces of the Dome sheet P3. The operator presses the PET cover layer P1 to deform the metal dome on the Dome sheet P3 to contact the circuit layer, so that the circuit loop is connected to play the role of a switch. The membrane keys of the present invention are more comfortable and more sensitive, and the function sequence of the keys is more in line with people's habits.

The fundus image inspection device of the present invention as described above, in a preferred embodiment, includes a fundus lighting structure, which can better provide fundus lighting effects and provide medical staff with clearer inspection information. In a preferred embodiment, the illumination structure of the fundus camera includes an LED light ring 1" and an illumination light guide 2", and the LED light ring 1" is a ring-shaped lamp. A structure in which a plurality of LED lamp beads 4" are evenly arranged on the belt 3". The illumination light guide 2" is a transparent hollow conical ring. The LED light ring 1" is connected; the end face of the lower end flare is an inclined torus 6", and the inclined torus 6" is perpendicular to the outer side wall of the illumination light guide 2", the illumination light guide The outer side of the 2" is provided with an electroplating layer. As shown in the figure, the LED lamp beads 4" on the LED light ring 1" are set against the lighting light guide 2", and the light can be irradiated into the lighting light guide 2". , and is emitted to the eyeball 5" through the interior of the illumination light guide 2", and the illumination light guide 2" is a transparent acrylic cone ring with a certain thickness, which can guide the light to irradiate the other end inside. At the same time, the uniform arrangement of the LED light ring 1" makes the light of the illumination more uniform and the intensity is stronger, and it can also further facilitate the adjustment of the intensity of the light.

As mentioned above, in a preferred embodiment of the fundus image inspection device of the present invention, an electroplating layer is provided on the inner side of the illumination light guide 2". The inner side of the illumination light guide 2" is provided with electroplating After the electroplating is finished, the electroplating layer is also polished through a milling process to make the surface more smooth and flat. Guarantee the reflection effect of light and effectively prevent light leakage and other problems.

In the above-mentioned illumination structure of the fundus camera of the present invention, in a preferred embodiment, the illumination surface of the LED lamp beads 4" on the LED lamp ring 1" is parallel to the inclined ring surface 6". The illuminating surface of each of the LED lamp beads 4" is facing the inclined annular surface 6". The illuminating surface of the LED lamp beads 4" on the LED lamp ring 1" is set at an oblique angle and faces the lighting. The inclined annular surface 6" of the light guide 2" enables the LED light to penetrate the lighting light guide 2" in a more concentrated and straight line, reducing the leakage and refraction of the lighting light.

In a preferred embodiment of the fundus image inspection device of the present invention as described above, the end face of the upper end constriction of the illumination light guide member 2" is a concave flared arc surface 7". The illumination light guide 2" is designed to be able to directly contact the patient's eyeball 5", and the end face of the constricted upper end can be matched with the outer surface contour of the anterior chamber portion of the eyeball 5", so that when it contacts the human eyeball 5" , reduce the discomfort of the patient and avoid damage to the patient's eyes.

In the above-mentioned fundus image inspection device of the present invention, in a preferred embodiment, the illumination light guide 2" is made of transparent acrylic material, and the inner side thereof is provided with a lens installation step. Of course, the illumination light guide Pieces 2" can also be made of other transparent materials, as long as they meet the requirements of high light transmittance. There is a lens mounting step inside it, which is used to install lens groups such as objective lenses if necessary.

In the fundus image inspection device of the present invention as described above, in a preferred embodiment, an annular rotating track is provided under the light strip 3". The belt 3" can slide and rotate on the circular rotating track, driving the evenly distributed LED lamp beads 4". During the lighting process, the effect of rotation makes the lighting effect better and uniform, and solves the uneven lighting situation to a greater extent. It is beneficial to the requirements of high definition and accuracy of fundus photography, and provides more reliable detection data for medical detection. The rotating track may be a sliding track driven by a motor.

In a preferred embodiment of the fundus image inspection device of the present invention as described above, the rotating track is a magnetic levitation track. In order to better achieve a uniform sliding effect, and at the same time take into account the structural requirements of small handheld devices, the light strip 3" can slide more smoothly. Reduce the subtle influence on the lighting effect due to the uneven sliding speed of the track, so that the lighting effect can reach the ultimate uniform state.

The fundus image inspection device of the present invention includes a straight-rod fundus camera and a portable notebook-type inspection terminal. When performing fundus inspection, it is only necessary to hold a small fundus camera directly at the patient's eye to take a fundus photo. Fundus images are collected and transmitted to the inspection terminal through the network for further image processing, display and analysis, providing medical staff with more convenient fundus examination methods and eye disease treatment judgment basis. In addition, the present invention adopts the structure of the straight-rod fundus camera, which not only makes the structure of the fundus camera more suitable for being portable and hand-held, but also solves the defects of accuracy and clarity when taking pictures with the straight-rod fundus camera. With extremely high precision and stability, the present invention can solve the problem of unclear defects caused by the straight rod motor focusing, and make the fundus imaging of the present invention clearer and more accurate. The present invention further improves the lighting structure of the fundus camera, so that the lighting effect in the eyeball of the fundus camera is more uniform and clear when shooting. The present invention provides a more convenient way for fundus diagnosis and treatment, reduces the cost of eye disease diagnosis by medical institutions and medical staff, and reduces the complexity of patients' examination for treating eye diseases, which is convenient for patients and improves the efficiency of medical diagnosis.

The above descriptions are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. Equivalent changes and modifications made by any person skilled in the art without departing from the concept and principles of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. a kind of ophthalmoscopic image check device, which is characterized in that including fundus camera and check terminal,

It is described to check that terminal is the intelligent terminal of a notebook type, including connect and can be folded on host with host machine part Display screen, the host be equipped with keyboard, fundus camera placing groove, power interface and a variety of data connection ports；The master Mainboard, processor, memory and network communication module are equipped in machine；The fundus camera placing groove is for storing the eyeground phase Machine；

The fundus camera is the fundus camera of straight-bar type, and the front end of the shell including strip, the shell is equipped with camera lens, institute It states and is sequentially equipped with light structures, lens group, focusing structure and battery on the inside of camera lens, form the camera structure of straight-bar type；It is described Shell on the outside of microscope group is equipped with film key, is equipped with control circuit board, institute in the shell of the motor side of the focusing structure It states control circuit board to connect with the battery, the focusing structure, light structures and film key and the control circuit board connect It connects；The control circuit board is connected with network communication module and data connection port.

2. ophthalmoscopic image check device as described in claim 1, which is characterized in that the focusing structure includes motor, bracket Sleeve, sensor, sensor stand and focusing rotor, the bracket sleeve tube are fixedly mounted on the motor, the motor Drive rod is set in the bracket sleeve tube；

The middle part of the focusing rotor is equipped with center wire hole, and the drive rod of the motor is screw rod, the center of the focusing rotor Wire hole is mounted on the drive rod via being threadedly engaged；

The sensor stand is set in the bracket sleeve tube, and bottom is equipped with driving rod sleeve, the driving rod sleeve set Around the drive rod, the side wall of the driving rod sleeve is equipped with the rotor hole of lateral direction penetrating, the focusing rotor setting In the rotor hole, it is described focusing rotor can in the rotor hole along perpendicular to the drive rod direction and the drive Opposite sliding between lever sleeve；The sensor is fixed at the top of the bracket sleeve tube.

3. ophthalmoscopic image check device as claimed in claim 2, which is characterized in that the driving rod sleeve is equipped with flat up and down Two rotor holes of row setting, are respectively arranged with the focusing rotor in each rotor hole, the drive rod is matched via screw thread The suitable center wire hole for being set to the two focusing rotors；The two focusing rotors are in the horizontal direction at 90 degree of angles；The focusing The two sides up and down of rotor and the two sides sliding contact up and down of the rotor hole.

4. ophthalmoscopic image check device as claimed in claim 2 or claim 3, which is characterized in that set in the side wall of the bracket sleeve tube Limit switches, the limit switch is equipped with can be along drive rod limit film in axial sliding, the fixing end of the limit film It is fixed on the outside of the sensor stand.

5. ophthalmoscopic image check device as claimed in claim 4, which is characterized in that the inside of the bracket sleeve tube is equipped with along institute The axially extending sensor stand slideway of drive rod is stated, the sensor stand is equipped with matches with sensor stand sliding rail sliding The sliding rail of conjunction.

6. ophthalmoscopic image check device as claimed in claim 1 or 5, which is characterized in that the film key from outermost layer to It is interior to be made of PET coating, rubber cover, Dome piece, separate layer, circuit layer and gum；The rubber cover and the separate layer in The position of the metal clips of the Dome piece is equipped with aperture.

7. ophthalmoscopic image check device as claimed in claim 6, which is characterized in that the light structures include LED light ring and Light guide is illuminated, the LED light ring is the evenly distributed structure for there are multiple LED lamp beads in a cricoid light bar, and the illumination is led Light part is a transparent hollow taper ring, is that eyeball shoots contact jaw, lower end flaring and the LED light ring at the necking of the upper end Connection；The end face of the lower end flaring is inclination anchor ring, and the inclination anchor ring is vertical with the illumination lateral wall of light guide, institute The lateral surface for stating illumination light guide is equipped with electroplated layer；The medial surface of the illumination light guide is equipped with electroplated layer.

8. ophthalmoscopic image check device as claimed in claim 7, which is characterized in that the photograph of the LED lamp bead on the LED light ring It penetrates face to be arranged for the inclination angle being parallel to each other with the inclination anchor ring, and inclined ring described in the shadow surface face of each LED lamp bead Face.

9. ophthalmoscopic image check device as claimed in claim 8, which is characterized in that the illumination light guide is transparent acrylic Material is made, and medial surface is equipped with lens mounting stage rank.

10. ophthalmoscopic image check device as claimed in claim 9, which is characterized in that be equipped with the magnetic of annular below the light bar Suspension swing-around trajectory.