CN111938563A - Global illumination method for realizing ophthalmologic examination - Google Patents

Global illumination method for realizing ophthalmologic examination Download PDF

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Publication number
CN111938563A
CN111938563A CN202010846198.0A CN202010846198A CN111938563A CN 111938563 A CN111938563 A CN 111938563A CN 202010846198 A CN202010846198 A CN 202010846198A CN 111938563 A CN111938563 A CN 111938563A
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China
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patient
eyes
illuminating lamp
illumination
inspection
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CN202010846198.0A
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刘意
舒宝童
武卫
严凯
谷中秀
李媛媛
马玲
贾士红
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Zhengzhou Railway Vocational and Technical College
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Zhengzhou Railway Vocational and Technical College
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Priority to CN202010846198.0A priority Critical patent/CN111938563A/en
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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
    • A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means

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  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
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  • Ophthalmology & Optometry (AREA)
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  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Eye Examination Apparatus (AREA)

Abstract

The invention discloses a global illumination method for realizing ophthalmic examination; the method comprises the following steps: s1, the lower jaw of the patient is placed on the supporting plate, the height and the distance are adjusted to be proper, the eyes are aligned with the tail end of the inspectoscope, and the first illuminating lamp is turned on; s2, indirectly driving a first toothed ring through a first motor, wherein the first toothed ring drives a fixed rod to rotate, and primary angle adjustment of a first illuminating lamp is performed; s3, rotating on the fixed rod through the internal thread ring, and adjusting the irradiation height, the irradiation distance and the irradiation angle of the first illuminating lamp; s4, the inspection box drives an illumination plate arranged in the inspection box to adjust different illumination angles while being adjusted in the inspection mirror, and a second illumination lamp is turned on; s5, starting eye examination, and adjusting proper light source through the steps in the process of examination; the illumination adjusting angle is large, different illumination angles can be adjusted according to the requirements of doctors, and the brightness of local light is increased; the inspection accuracy and the inspection efficiency are improved.

Description

Global illumination method for realizing ophthalmologic examination
Technical Field
The invention belongs to the field of illumination equipment for ophthalmologic examination, and particularly relates to a global illumination method for realizing ophthalmologic examination.
Background
Ophthalmic exams are general examinations of the eye, including eye attachments and anterior segment examinations. Eye appendage examination including examination of the eyelids, conjunctiva, lacrimal apparatus, eye position and eye orbit; when carrying out the ophthalmology inspection of traditional ophthalmology check-out set, need the patient to cooperate medical staff, then judge the patient symptom by medical staff, this is higher to medical staff's technical requirement, needs medical staff experience of working abundantly, needs the patient to cooperate the accuracy.
Meanwhile, when the prior ophthalmologic examination equipment is used for examining a patient, an auxiliary light source is generally used for illumination, more auxiliary illumination is performed through a flashlight or a desk lamp, and the parallel light source directly irradiates human eyes, so that the stimulation intensity is high, and the discomfort of the patient is easily caused; adopt traditional lighting methods, inconvenient regulation is used, and angle regulation limitation is great, and the illumination scope is little, and the inspection efficiency is low that even need special medical personnel to polish the illumination when preferred sometimes, inspection efficiency.
Chinese patent application No. 201921203822.4 discloses a multi-functional ophthalmic illuminating lamp, the on-line screen storage device comprises a base, the top fixedly connected with fixed block of base, the inside threaded connection of fixed block has the screw rod, the outside fixedly connected with dead lever that the fixed block was run through and extended to the fixed block on the top of screw rod, bearing swing joint has the swivel nut at the top of dead lever, the inside threaded connection of swivel nut has the connecting rod, the bottom of connecting rod extends to the inside fixedly connected with dog of dead lever, the surface of dog and the inner wall swing joint of dead lever.
Chinese patent application No. 201820363673.7 discloses an ophthalmic optical illuminating lamp, which comprises a base, a supporting rod and an illuminating lamp body, wherein the supporting rod is fixedly inserted on the base and fixedly connected with the illuminating lamp body through a steering rod, the illuminating lamp body comprises a lampshade, a circuit board, a first LED lamp, a second LED lamp and a third LED lamp, a first reflecting plate, a second reflecting plate and a third reflecting plate are fixedly arranged on the inner side wall of the lampshade from top to bottom in sequence, a heat dissipation through hole is formed in the top end of the lampshade, a circuit board is fixedly connected to the top end of an inner cavity of the lampshade, a plurality of cylinders are fixedly connected to the bottom end of the circuit board, the first LED lamp, the second LED lamp and the third LED lamp are fixedly connected to the cylinders, and the third LED lamp is fixed at the center of the bottom end of the circuit board, wherein the first lamp housing of the first LED lamp is opposite to the first reflecting plate, the second lamp housing, the circuit board is respectively and electrically connected with the first LED lamp, the second LED lamp and the third LED lamp.
The ophthalmic illuminating lamp designed by the technical scheme is a desk-type mechanism illuminating lamp, and when the ophthalmic illuminating lamp is used in combination with inspection equipment, the illumination angle and brightness need to be adjusted specifically, so that the distraction of doctors is easily caused, and the inspection progress and the inspection result are influenced; it is inconvenient to use.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a global illumination method for realizing ophthalmic examination, which has a large illumination adjustment angle, can adjust different illumination angles according to the requirements of doctors, increases the brightness of local diffused light, and generates extremely uniform columnar light in a smaller brightness region; the inspection accuracy and the inspection efficiency are improved.
The invention provides the following technical scheme:
a global illumination method for implementing ophthalmic examination; the method comprises the following steps:
s1, the lower jaw of the patient is placed on the supporting plate, the height and the distance are adjusted to be proper, the eyes are aligned with the tail end of the inspectoscope, and the first illuminating lamp is turned on;
s2, indirectly driving a first toothed ring through a first motor, wherein the first toothed ring drives a fixed rod to rotate, and primary angle adjustment of a first illuminating lamp is performed;
s3, rotating on the fixed rod through the internal thread ring, and adjusting the irradiation height, the irradiation distance and the irradiation angle of the first illuminating lamp;
s4, the inspection box drives an illumination plate arranged in the inspection box to adjust different illumination angles while being adjusted in the inspection mirror, and a second illumination lamp is turned on;
s5, the eye examination is started, and the proper light source is adjusted by the above steps during the examination.
Preferably, in step S3, the fixing rod is of an arc structure, and when the angle of the internal thread ring is adjusted on the fixing rod, in order to narrow the local illumination range, under the condition of low overall darkness, the fixing rod generates a uniform columnar light with a small range, so as to reduce the stimulation of the redundant light to the eyes of the patient
Preferably, the intersection point of the fixed rod and the first toothed ring is taken as an origin O; the upward sliding direction of the internal thread ring on the fixed rod is the positive direction of an x axis, and the upward sliding direction of the internal thread ring on the fixed rod is the positive direction of a y axis; when the angle of the first illuminating lamp is adjusted, the moving position coordinate of the first illuminating lamp on the fixed rod meets the following relation:
x=b1sinθ1+b2cosθ2；
y= b1cosθ1= b2sinθ2；b1is the distance theta from the first illuminating lamp to the intersection point of the fixed rod and the first toothed ring1Is the angle between the first lighting lamp and the fixed rod, theta1The included angle is a fixed value; b2Is the distance, θ, from the first lamp to the patient's eyes2Is the included angle between the first illuminating lamp and the eyes of the patient.
Preferably, the distance l of the light beam irradiated by the eyes of the patient has a direct relation with x, and l = x is satisfied; therefore, the distance of the columnar light of the eyes of the patient always satisfies the following conditions: l = (b)1sinθ1+b2cosθ2) Therefore, the included angle theta between the first illuminating lamp and the eyes of the patient2Satisfies theta2= cos-1·（l- b1sinθ1）/2b2(ii) a Therefore, the optimal distance of the light column irradiated by the eyes of the patient can be reached only by controlling the distance from the first illuminating lamp to the intersection point of the fixed rod and the first toothed ring, and the influence on the eyes of the patient is reduced. .
Preferably, the height d of the light beam irradiated by the patient's eye is directly related to y, and d =2 y; so d = 2b1cosθ1= 2b2sinθ2(ii) a So theta2=sin-1·d/2b2(ii) a Only the distance from the first illuminating lamp to the eyes of the patient needs to be controlled, the optimal distance of the light column irradiated by the eyes of the patient can be achieved, the height of extremely uniform columnar light can be obtained, and the influence on the eyes of the patient is reduced.
An illumination system adopted by a global illumination method for realizing ophthalmic examination comprises a base and an examination mirror; a supporting rod is connected above the base, an inspection mirror is arranged at the top of the supporting rod, and an inspection mechanism is arranged inside the inspection mirror; a first gear ring is sleeved outside the inspection mirror and is rotationally connected with the outer side wall of the inspection mirror; a first motor is arranged at one end of the support rod close to the inspection mirror, an output shaft of the first motor is in driving connection with a first gear, the first gear is in meshing connection with a first gear ring, and the first gear drives the first gear ring to rotate; the outer side wall of the first toothed ring is connected with a plurality of fixing rods, and a plurality of first illuminating lamps are arranged on the fixing rods; a lantern ring is sleeved at one end of the inspection mirror, which is far away from the first motor, the lantern ring is rotatably connected with the outer wall of the inspection mirror, and the outer side wall of the lantern ring is connected with a light screen;
a box body is arranged on one side, far away from the supporting rod, above the base; a pulley is arranged below the box body, a sliding rail is arranged on the pulley in a matching manner, and the sliding rail is connected with the base; an internal thread sleeve is arranged in the box body, bearings are arranged at two ends of the internal thread sleeve, and the internal thread sleeve is rotatably connected with the box body through the bearings; a threaded rod is arranged inside the internal thread sleeve, one end of the threaded rod penetrates through the box body and is connected with a supporting plate, the supporting plate is of an arc-shaped structure, and a sponge layer is arranged on the inner side of the supporting plate; the outer side wall of the internal thread sleeve is sleeved with a second toothed ring, and the second toothed ring is fixedly connected with the internal thread sleeve; the bottom of box body is equipped with the second motor, the output shaft of second motor is connected with the second gear, the second gear with the second ring gear meshing is connected, and the second motor drive internal thread sleeve pipe rotates, indirectly drives the threaded rod and reciprocates the regulation.
Preferably, the inspection mechanism arranged in the inspection mirror comprises a sliding controller, the sliding controller is connected with the side wall of one end of the inspection mirror, two telescopic rods are symmetrically arranged on the upper side and the lower side of the sliding controller, one end of each telescopic rod is connected with the inspection mirror, the other end of each telescopic rod is connected with a sliding rod, and two ends of each sliding rod are connected with sliding blocks; the inner side wall of the inspection mirror is symmetrically provided with sliding chutes which are matched and slidably connected with the sliding block; the central position of the sliding rod is provided with a slider, the slider is connected with the sliding controller through a lead, the slider is in driving connection with a sliding gear, and the sliding gear is in clearance sliding connection with the sliding rod.
Preferably, the outer side wall of the sliding gear, which is far away from the sliding controller, is connected with a connecting rod, the other end of the connecting rod is connected with an inspection box, a processor is arranged in the inspection box, and the processor is connected with an inspection probe through a lead; the other end of the inspection box is provided with a zoom cylinder, and a plurality of layers of optical lenses are arranged in the zoom cylinder.
Preferably, one end of the inspection box, which is close to the zoom cylinder, is provided with a lighting plate, and the brightening plate is of a circular structure with a circular hole in the center and is connected with the inner wall of the inspection box; the inspection probe is arranged in a central circular hole of the illumination plate, and the illumination plate is provided with a plurality of second illuminating lamps.
Preferably, the two sides in the inspection mirror are both provided with a limiting box, and the limiting boxes limit the moving position of the inspection box; two moving rods are symmetrically arranged at two ends of the sliding rod, and the other ends of the moving rods penetrate through and extend into the limiting box.
Preferably, the movable rod is connected with the limiting box in a sliding manner; and a rack is arranged on the outer side wall of the other end of the moving rod.
Preferably, the rack is connected with a driving gear wheel in a meshed manner, the driving gear is connected with a driven gear in a meshed manner, and the driven gear is connected with a rotating block in a meshed manner; one side of the rotating block is of an arc-shaped structure and is of a tooth-shaped structure.
Preferably, the driving gear and the driven gear are both rotationally connected with the limiting box, and the rotating block is rotationally connected with the limiting box through a pin shaft; the outer side of the rotating block is connected with a movable supporting rod, and the other end of the movable supporting rod is connected with a silica gel sheet.
Preferably, the fixing rod is provided with threads, the fixing rod is provided with a plurality of internal thread rings in a matching manner through the threads, and the internal thread rings are rotatably adjusted on the fixing rod; the first illuminating lamp is connected to the outer side wall of the internal thread ring, and rotates on the fixing rod through the internal thread ring to adjust an illuminating angle.
Preferably, the first illumination lamp emits diffuse or parallel light.
Preferably, the inside of the light through hole of the zoom cylinder is made of opalescent materials, so that the stimulation of stimulation light to human eyes is reduced.
In addition, the principle is adjusted to the first light on the dead lever: the first motor drives the first gear to rotate, the first gear is meshed with the first gear ring, and the first gear ring drives the plurality of fixing rods to rotate so as to further drive the first illuminating lamp to adjust the direction; the first illuminating lamp is rotatably connected with the fixed rod through the internal thread ring, the vertical height and the horizontal distance from the first illuminating lamp to the eyeball are adjusted, so that the local illumination range is conveniently reduced, and under the condition of low overall darkness, columnar light with a small uniform range is generated, so that the eye irritation of a patient is reduced; the first illuminating lamp is positively provided with a light screen, the width of the light screen is the same as the width of the fixed lamp, the light source of the first illuminating lamp on the fixed rod can be shielded, and the condition that reflected light irradiates eyes of a doctor to influence the normal diagnosis of the doctor during detection is prevented; through the interact of dead lever and light screen, adjust the angle of illumination of first light jointly, convenient to use is swift, promotes inspection accuracy and inspection efficiency.
The working principle of the inspection mirror is as follows: the slider is controlled by the sliding controller, the sliding gear is further driven to slide on the sliding rod, so that the inspection box is adjusted in the vertical direction, the adjustment flexibility of the inspection box is improved, the sliding rod is driven to slide in the sliding groove in the inner wall of the inspection mirror by the arrangement of the telescopic rod, the inspection box is driven to adjust the horizontal distance from the eye of a patient, the adjustment is more accurate, and the control of a light irradiation area is facilitated; when the telescopic rod is pushed forwards to be close to the eyes of a patient to be checked, the sliding rod pushes the moving rod, the moving rod drives the driving gear to rotate through the rack arranged at the end part, the driving gear drives the driven gear to rotate, the driven gear drives the rotating block to rotate, the rotating block drives the movable supporting rod to do split movement, the eyelid is opened through the silica gel sheet arranged at the end part of the movable supporting rod, and the soft silica gel sheet is used for preventing the eyeball of the patient from being injured; the movable support rod supports the eyelid, so that convenience is provided for the examination of a doctor, the examination of the doctor can be influenced because the patient automatically closes the eye during the examination due to the physiological reaction of the person, and the doctor can liberate both hands and conveniently carry out the examination; through the combined action of the movable supporting rod and the examination box, the examination mirror and the examination box complement each other, the use flexibility of the examination mirror is greatly improved, and the examination efficiency of a doctor is improved.
This device is by first lighting device and second lighting device combined action, because on the illumination board of second lighting device setting in the inspection box, second light evenly distributed is on the illumination board, so, when first light and second light acted on simultaneously, light caused the overlap, and the light intensity increases, can arouse the discomfort of patient's eyeball, and the brightness can cause the probe monitoring to see clearly too dark, the diameter of illumination board is D1, consequently in order to provide better lighting condition, avoids the coincidence, and the width D1 that first light adjusted the column light should satisfy: d1= (D-D1); thus d1= (2 b)1cosθ1- D1）；d1=（2b2sinθ2- D1）。
In the above formula, the value range is 0.983-1.036 for adjusting the adaptive coefficient; d1, D1, l in mm.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the global illumination method for realizing the ophthalmic examination, the first illuminating lamp is rotatably connected with the fixed rod through the internal thread ring, the local illumination range is conveniently narrowed by adjusting the vertical height and the horizontal distance of the first illuminating lamp from the eyeball, and columnar light with a smaller uniform range is generated under the condition of lower overall darkness, so that the stimulation to the eyes of a patient is reduced.
(2) According to the global illumination method for realizing the ophthalmic examination, the optimal distance of the light column irradiated by the eyes of the patient can be reached by only controlling the distance from the first illumination lamp to the intersection point of the fixed rod and the first toothed ring through limiting the included angle between the first illumination lamp and the eyes of the patient and the distance relation between the light column irradiated by the eyes of the patient, so that the influence on the eyes of the patient is reduced.
(3) The invention relates to a global illumination method for realizing ophthalmologic examination, which limits the height of an optical column irradiated by the eyes of a patient and the relation between a first illumination lamp and the included angle of the eyes of the patient; only the distance from the first illuminating lamp to the eyes of the patient needs to be controlled, the optimal distance of the light column irradiated by the eyes of the patient can be achieved, the height of extremely uniform columnar light can be obtained, and the influence on the eyes of the patient is reduced.
(4) According to the global illumination method for realizing the ophthalmic examination, the telescopic rod is arranged to drive the sliding rod to slide in the sliding groove on the inner wall of the examination mirror, so that the examination box is driven to adjust the horizontal distance from the eye of a patient, the adjustment is more accurate, and the control of a light irradiation area is facilitated.
(5) According to the global illumination method for realizing the ophthalmic examination, the movable support rod supports the eyelid, so that convenience is provided for the examination of a doctor, the examination of the doctor is influenced because the patient automatically closes the eye during the examination due to the physiological reaction of the patient, and the doctor frees the hands and is convenient to carry out the examination; through the combined action of the movable supporting rod and the examination box, the examination mirror and the examination box complement each other, the use flexibility of the examination mirror is greatly improved, and the examination efficiency of a doctor is improved.
(6) The invention relates to a global illumination method for realizing ophthalmologic examination, which adjusts the relationship between the width of columnar light by limiting the diameter of an illumination plate and a first illumination lamp; better lighting conditions are provided, and overlapping light rays are prevented from overlapping.
(7) The global illumination method for realizing the ophthalmic examination has the advantages that the illumination adjusting angle is large, different illumination angles can be adjusted according to the requirements of doctors, and the brightness of local light is increased.
(8) The invention relates to a global illumination method for realizing ophthalmic examination, which generates extremely uniform columnar light in a smaller brightness area in an eyeball; the inspection accuracy and the inspection efficiency are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is an overall schematic view of the illumination system of the present invention.
FIG. 3 is a schematic view of the inner structure of the inspection scope of the present invention.
Fig. 4 is a schematic view of the movable strut driving structure of the present invention.
Fig. 5 is a partial schematic view of the movable strut drive structure of the present invention.
Fig. 6 is a schematic view of the internal structure of the cartridge of the present invention.
Figure 7 is a side view of a fixation rod of the present invention.
Fig. 8 is a schematic view of a fixing rod connecting structure of the present invention.
Fig. 9 is an enlarged schematic view of a fixing rod of the present invention.
Fig. 10 is a schematic view of the connection of the first illumination lamp of the present invention.
Fig. 11 is a schematic view of the structure of the illumination panel of the present invention.
Fig. 12 is a schematic view illustrating the angle adjustment principle of the first illumination lamp according to the present invention.
In the figure: 1. a base; 2. a support bar; 3. an inspection scope; 4. a first ring gear; 5. fixing the rod; 6. a collar; 7. a visor; 8. a first motor; 9. a first gear; 10. a box body; 11. a threaded rod; 12. a support plate; 13. an internally threaded sleeve; 14. a second ring gear; 15. a second motor; 16. a second gear; 17. a bearing; 18. a slide rail; 19. a pulley; 20. an internally threaded ring; 21. a first illumination lamp; 301. a slide controller; 302. a slider; 303. a sliding gear; 304. a telescopic rod; 305. a slide bar; 306. a chute; 307. a slider; 308. a connecting rod; 309. an inspection box; 3010. a processor; 3011. inspecting the probe; 3012. a zoom cylinder; 313. a lighting panel; 3014. a second illumination lamp; 3015. a travel bar; 3016. a limiting box; 3017. a movable strut; 3018. a silica gel sheet; 3019. a rack; 3020. a driving gear; 3021. a driven gear; 3022. and (6) rotating the block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example one
A global illumination method for implementing ophthalmic examination; the method comprises the following steps:
s1, the lower jaw of the patient is placed on the supporting plate, the height and the distance are adjusted to be proper, the eyes are aligned with the tail end of the inspectoscope, and the first illuminating lamp is turned on;
s2, indirectly driving a first toothed ring through a first motor, wherein the first toothed ring drives a fixed rod to rotate, and primary angle adjustment of a first illuminating lamp is performed;
s3, rotating on the fixed rod through the internal thread ring, and adjusting the irradiation height, the irradiation distance and the irradiation angle of the first illuminating lamp;
s4, the inspection box drives an illumination plate arranged in the inspection box to adjust different illumination angles while being adjusted in the inspection mirror, and a second illumination lamp is turned on;
s5, the eye examination is started, and the proper light source is adjusted by the above steps during the examination.
In the step S3, the fixing rod is of an arc structure, and when the internal thread ring adjusts the angle on the fixing rod, in order to narrow the local illumination range, under the condition of low overall darkness, columnar light with a small uniform range is generated, so as to reduce the stimulation of redundant light to the eyes of the patient; taking the intersection point of the fixed rod and the first toothed ring as an origin O; the upward sliding direction of the internal thread ring on the fixed rod is the positive direction of an x axis, and the upward sliding direction of the internal thread ring on the fixed rod is the positive direction of a y axis; when the angle of the first illuminating lamp is adjusted, the moving position coordinate of the first illuminating lamp on the fixed rod meets the following relation:
x=b1sinθ1+b2cosθ2；
y= b1cosθ1= b2sinθ2；b1is the distance theta from the first illuminating lamp to the intersection point of the fixed rod and the first toothed ring1Is the angle between the first lighting lamp and the fixed rod, theta1The included angle is a fixed value; b2Is the distance, θ, from the first lamp to the patient's eyes2Is the included angle between the first illuminating lamp and the eyes of the patient; the distance l of the light beam irradiated by the eyes of the patient is directly related to x, and l = x is satisfied; therefore, the distance of the columnar light of the eyes of the patient always satisfies the following conditions: l = (b)1sinθ1+b2cosθ2) Therefore, the included angle theta between the first illuminating lamp and the eyes of the patient2Satisfies theta2= cos-1·（l- b1sinθ1）/2b2(ii) a Therefore, the optimal distance of the light column irradiated by the eyes of the patient can be reached only by controlling the distance from the first illuminating lamp to the intersection point of the fixed rod and the first toothed ring, and the influence on the eyes of the patient is reduced.
The height d of the light beam irradiated by the eyes of the patient is directly related to y, and d =2 y; so d = 2b1cosθ1= 2b2sinθ2(ii) a So theta2=sin-1·d/2b2(ii) a Only need to useThe distance from the first illuminating lamp to the eyes of the patient is controlled, the optimal distance of the light column irradiated by the eyes of the patient can be reached, the height of extremely uniform columnar light can be obtained, and the influence on the eyes of the patient is reduced
Example two
As shown in fig. 1, 5-7, a global illumination method for ophthalmic examinations; comprises a base 1 and an inspection mirror 3; a supporting rod 2 is connected above the base 1, an inspection mirror 3 is arranged at the top of the supporting rod 2, and an inspection mechanism is arranged inside the inspection mirror 3; a first gear ring 4 is sleeved outside the inspection mirror 3, and the first gear ring 4 is rotatably connected with the outer side wall of the inspection mirror 3; a first motor 8 is arranged at one end of the support rod 2 close to the inspection mirror 3, an output shaft of the first motor 8 is in driving connection with a first gear 9, the first gear 9 is in meshing connection with the first gear ring 4, and the first gear 9 drives the first gear ring 4 to rotate; the outer side wall of the first toothed ring 4 is connected with a plurality of fixing rods 5, and a plurality of first illuminating lamps 21 are arranged on the fixing rods 5; a lantern ring 6 is sleeved at one end of the inspection mirror 3, which is far away from the first motor 8, the lantern ring 6 is rotatably connected with the outer wall of the inspection mirror 3, and the outer side wall of the lantern ring 6 is connected with a light screen 7;
a box body 10 is arranged on one side, far away from the support rod 2, above the base 1; a pulley 19 is arranged below the box body 10, a slide rail 18 is arranged on the pulley 19 in a matching manner, and the slide rail 18 is connected with the base 1; an internal thread sleeve 13 is arranged inside the box body 10, bearings 17 are arranged at two ends of the internal thread sleeve 13, and the internal thread sleeve 13 is rotatably connected with the box body 10 through the bearings 17; a threaded rod 11 is arranged inside the internal thread sleeve 13, one end of the threaded rod 11 penetrates through the box body 10 and is connected with a supporting plate 12, the supporting plate 12 is of an arc-shaped structure, and a sponge layer is arranged on the inner side of the supporting plate 12; a second toothed ring 14 is sleeved on the outer side wall of the internal thread sleeve 13, and the second toothed ring 14 is fixedly connected with the internal thread sleeve 13; a second motor 15 is arranged at the bottom of the box body 10, an output shaft of the second motor 15 is connected with a second gear 16, the second gear 16 is meshed with the second toothed ring 14, and the second motor 15 drives the internal thread sleeve 13 to rotate so as to indirectly drive the threaded rod 11 to move up and down for adjustment; the first illumination lamp 21 emits diffuse or parallel light; the inside of the light through hole of the zoom cylinder 3012 is made of opalescent material, so that the stimulation of stimulation light to human eyes is reduced.
EXAMPLE III
As shown in fig. 2-4 and 8-10, the inspection mechanism disposed inside the inspection mirror 3 includes a sliding controller 301, the sliding controller 301 is connected to a side wall of one end of the inspection mirror 3, two telescopic rods 304 are symmetrically disposed on upper and lower sides of the sliding controller 301, one end of each of the two telescopic rods 304 is connected to the inspection mirror 3, the other end is connected to a sliding rod 305, and two ends of each sliding rod 305 are connected to sliding blocks 307; the inner side wall of the inspection mirror 3 is symmetrically provided with sliding grooves 306, and the sliding grooves 306 are in sliding connection with sliding blocks 307 in a matching manner; the central position of the sliding rod 305 is provided with a slider 302, the slider 302 is connected with a sliding controller 301 through a lead, the slider 302 is connected with a sliding gear 303 in a driving way, and the sliding gear 303 is in clearance sliding connection with the sliding rod 305.
The outer side wall of the sliding gear 303 far away from the sliding controller 301 is connected with a connecting rod 308, the other end of the connecting rod 308 is connected with an inspection box 309, a processor 3010 is arranged in the inspection box 309, and the processor 3010 is connected with an inspection probe 3011 through a lead; the other end of the inspection box 309 is provided with a zoom cylinder 3012, and a plurality of layers of optical lenses are arranged in the zoom cylinder 3012.
An illuminating plate 3013 is arranged at one end, close to the zoom cylinder 3012, in the inspection box 309, and the finding plate is of a circular structure with a circular hole in the center and is connected with the inner wall of the inspection box 309; the inspection probe 3011 is arranged in a central circular hole of the illumination plate 3013, and the illumination plate 3013 is provided with a plurality of second illumination lamps 3014; the two sides in the inspection mirror 3 are respectively provided with a limiting box 3016, and the limiting boxes 3016 limit the moving position of the inspection box 309; two moving rods 3015 are symmetrically arranged at two ends of the sliding rod 305, and the other ends of the moving rods 3015 penetrate and extend into the limiting box 3016.
The moving rod 3015 is connected with the limiting box 3016 in a sliding manner; and a rack 3019 is arranged on the outer side wall of the other end of the moving rod 3015.
An automatic gear 3020 wheel is meshed with the rack 3019, a driven gear 3021 is meshed with the automatic gear 3020, and a rotating block 3022 is meshed with the driven gear 3021; one side of the rotating block 3022 is arc-shaped and is tooth-shaped; the automatic gear 3020 and the driven gear 3021 are both rotatably connected with the limiting box 3016, and the rotating block 3022 is rotatably connected with the limiting box 3016 through a pin shaft; the outer side of the rotating block 3022 is connected with a movable support rod 3017, and the other end of the movable support rod 3017 is connected with a silicon sheet 3018.
The fixing rod 5 is provided with threads, the fixing rod 5 is provided with a plurality of internal thread rings 20 in a thread matching mode, and the internal thread rings 20 are rotatably adjusted on the fixing rod 5; the first illuminating lamp 21 is connected to the outer side wall of the internal thread ring 20, and rotates on the fixing rod 5 through the internal thread ring 20 to adjust an illuminating angle.
The eye images of the patient are shot through the inspection probe, processed by the processor and transmitted to the external display through the lead to be displayed.
Example four
As shown in fig. 11, in addition to the first embodiment, the adjustment principle of the first illumination lamp 21 on the fixing rod 5 is as follows: the first motor 8 drives the first gear 9 to rotate, the first gear 9 is meshed with and drives the first gear ring 4, and the first gear ring 4 drives the plurality of fixing rods 5 to rotate so as to further drive the first illuminating lamp 21 to perform directional adjustment; the first illuminating lamp 21 is rotatably connected with the fixed rod 5 through the internal thread ring 20, the vertical height and the horizontal distance between the first illuminating lamp 21 and eyeballs are adjusted, so that the local illumination range is conveniently reduced, and under the condition of low overall darkness, columnar light with a small uniform range is generated, so that the eye irritation to a patient is reduced; the shading plate 7 is arranged in the forward direction of the first illuminating lamp 21, the width of the shading plate 7 is the same as that of the fixed plate, the light source of the first illuminating lamp 21 on the fixed rod 5 can be shaded, and the influence on the normal diagnosis of a doctor caused by reflected light irradiating in the eyes of the doctor in the detection process is prevented; through the interact of dead lever 5 and light screen 7, adjust the angle of illumination of first light 21 jointly, convenient to use is swift, promotes inspection accuracy and inspection efficiency.
EXAMPLE five
On the basis of the second embodiment, the working principle of the inspection mirror 3 is as follows: the slider 302 is controlled by the sliding controller 301, the sliding gear 303 is further driven to slide on the sliding rod 305, the inspection box 309 is adjusted in the vertical direction, the adjustment flexibility of the inspection box 309 is improved, the sliding rod 305 is driven to slide in the sliding groove 306 on the inner wall of the inspection lens 3 through the arrangement of the telescopic rod 304, the inspection box 309 is driven to adjust the horizontal distance from the eye of a patient, the adjustment is more accurate, and the control of a light irradiation area is facilitated; when the telescopic rod 304 is pushed forward to be close to the eyes of a patient for examination, the sliding rod 305 pushes the moving rod 3015, the moving rod 3015 drives the automatic gear 3020 to rotate through the rack 3019 arranged at the end part, the automatic gear 3020 drives the driven gear 3021 to rotate, the driven gear 3021 drives the rotating block 3022 to rotate, the rotating block 3022 drives the movable support rod 3017 to move in a split manner, the eye skin is opened through the silica gel sheet 3018 arranged at the end part of the movable support rod 3017, and the soft silica gel sheet 3018 is used for preventing the eyeball of the patient from being injured; the movable support rod 3017 supports the eyelid, which provides convenience for the examination of the doctor, because of the physiological reaction of the person, the patient can automatically close the eye during the examination, the examination of the doctor can be affected, and the doctor can liberate both hands, so the examination is convenient; the movable support rod 3017 and the examination box 309 are used together, so that the use flexibility of the examination mirror 3 is greatly improved, and the examination efficiency of a doctor is improved.
This device is by first lighting device and second lighting device combined action, because the second lighting device sets up on illumination board 3013 in inspection box 309, second light 3014 evenly distributed is on illumination board 3013, so, when first light 21 and second light 3014 acted on simultaneously, the light caused the overlap, the light intensity increases, can arouse the discomfort of patient's eyeball, the brightness can cause the probe monitoring to be unclear excessively dark, illumination board 3013's diameter is D1, consequently in order to provide better lighting condition, avoids the coincidence, first light 21 adjusts the width D1 of column light and should satisfy: d1= (D-D1); thus d1= (2 b)1cosθ1- D1）；d1=（2b2sinθ2- D1）。
In the above formula, the value range is 0.983-1.036 for adjusting the adaptive coefficient; d1, D1, l in mm.
The device obtained by the technical scheme is a global illumination method for realizing ophthalmologic examination, in use, the first illumination lamp 21 is rotatably connected with the fixed rod 5 through the internal thread ring 20, the local illumination range is convenient to be narrowed by adjusting the vertical height and the horizontal distance of the first illumination lamp 21 from eyeballs, and columnar light with a small uniform range is generated under the condition of low overall darkness, so that the eye irritation to a patient is reduced; by limiting the included angle between the first illuminating lamp 21 and the eyes of the patient and the distance relationship between the first illuminating lamp 21 and the light column irradiated by the eyes of the patient, the optimal distance between the light column irradiated by the eyes of the patient can be reached only by controlling the distance from the first illuminating lamp 21 to the intersection point of the fixing rod 5 and the first toothed ring 4, and the influence on the eyes of the patient is reduced; by limiting the height of the light column irradiated by the patient's eyes and the angle relationship between the first illuminating lamp 21 and the patient's eyes; only the distance from the first illuminating lamp 21 to the eyes of the patient needs to be controlled, the optimal distance of the light column irradiated by the eyes of the patient can be achieved, the height of the extremely uniform columnar light is obtained, and the influence on the eyes of the patient is reduced; through the arrangement of the telescopic rod 304, the sliding rod 305 is driven to slide in the sliding groove 306 on the inner wall of the inspection mirror 3, the inspection box 309 is driven to adjust the horizontal distance from the eyes of the patient, the adjustment is more accurate, and the control of a light irradiation area is facilitated; the movable support rod 3017 supports the eyelid, which provides convenience for the examination of the doctor, because of the physiological reaction of the person, the patient can automatically close the eye during the examination, the examination of the doctor can be affected, and the doctor can liberate both hands, so the examination is convenient; the movable support rod 3017 and the examination box 309 supplement each other, so that the use flexibility of the examination mirror 3 is greatly improved, and the examination efficiency of a doctor is improved; adjusting the relationship between the width of the columnar light by defining the diameter of the illumination sheet 3013 and the first illumination lamp 21; better lighting conditions are provided, and overlapping of light rays is avoided; the illumination adjusting angle is large, different illumination angles can be adjusted according to the requirements of doctors, and the brightness of local light is increased; extremely uniform columnar light is generated in a small brightness area in an eyeball; the inspection accuracy and the inspection efficiency are improved.
Other technical solutions not described in detail in the present invention are prior art in the field, and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A global illumination method for implementing ophthalmic examination; the method is characterized by comprising the following steps:
s1, the lower jaw of the patient is placed on the supporting plate, the height and the distance are adjusted to be proper, the eyes are aligned with the tail end of the inspectoscope, and the first illuminating lamp is turned on;
s2, indirectly driving a first toothed ring through a first motor, wherein the first toothed ring drives a fixed rod to rotate, and primary angle adjustment of a first illuminating lamp is performed;
s3, rotating on the fixed rod through the internal thread ring, and adjusting the irradiation height, the irradiation distance and the irradiation angle of the first illuminating lamp;
s4, the inspection box drives an illumination plate arranged in the inspection box to adjust different illumination angles while being adjusted in the inspection mirror, and a second illumination lamp is turned on;
s5, the eye examination is started, and the proper light source is adjusted by the above steps during the examination.
2. The global illumination method for ophthalmic examinations according to claim 1, wherein in step S3, the fixing rod is an arc-shaped structure, and when the angle of the internal thread ring is adjusted on the fixing rod, in order to narrow the local illumination range, under the condition of low overall darkness, a uniform and small-range columnar light is generated to reduce the stimulation of the redundant light to the eyes of the patient.
3. The global illumination method for ophthalmic examination according to claim 2, wherein the point of intersection of the fixing bar and the first ring gear is the origin O; the upward sliding direction of the internal thread ring on the fixed rod is the positive direction of an x axis, and the upward sliding direction of the internal thread ring on the fixed rod is the positive direction of a y axis; when the angle of the first illuminating lamp is adjusted, the moving position coordinate of the first illuminating lamp on the fixed rod meets the following relation:
x=b1sinθ1+b2cosθ2；
y= b1cosθ1= b2sinθ2；b1is the distance theta from the first illuminating lamp to the intersection point of the fixed rod and the first toothed ring1Is the angle between the first lighting lamp and the fixed rod, theta1The included angle is a fixed value; b2Is the distance, θ, from the first lamp to the patient's eyes2Is the included angle between the first illuminating lamp and the eyes of the patient.
4. The global illumination method for ophthalmic examination as claimed in claim 3, wherein the distance l of the light beam irradiated by the patient's eye is directly related to x, and l = x is satisfied; therefore, the distance of the columnar light of the eyes of the patient always satisfies the following conditions: l = (b)1sinθ1+b2cosθ2) Therefore, the included angle theta between the first illuminating lamp and the eyes of the patient2Satisfies theta2= cos-1·（l- b1sinθ1）/2b2(ii) a Therefore, the optimal distance of the light column irradiated by the eyes of the patient can be reached only by controlling the distance from the first illuminating lamp to the intersection point of the fixed rod and the first toothed ring, and the influence on the eyes of the patient is reduced.
5. The global illumination method for ophthalmic examination as claimed in claim 3, wherein the height d of the light beam irradiated by the patient's eye is directly related to y, d =2 y; so d = 2b1cosθ1= 2b2sinθ2(ii) a So theta2=sin-1·d/2b2(ii) a Only the distance from the first illuminating lamp to the eyes of the patient needs to be controlled, the optimal distance of the light column irradiated by the eyes of the patient can be achieved, the height of extremely uniform columnar light can be obtained, and the influence on the eyes of the patient is reduced.
CN202010846198.0A 2020-08-21 2020-08-21 Global illumination method for realizing ophthalmologic examination Withdrawn CN111938563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010846198.0A CN111938563A (en) 2020-08-21 2020-08-21 Global illumination method for realizing ophthalmologic examination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010846198.0A CN111938563A (en) 2020-08-21 2020-08-21 Global illumination method for realizing ophthalmologic examination

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CN111938563A true CN111938563A (en) 2020-11-17

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Country Link
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Application publication date: 20201117