CN107874901A - Contact lens and intraocular illuminator - Google Patents
Contact lens and intraocular illuminator Download PDFInfo
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- CN107874901A CN107874901A CN201711022311.8A CN201711022311A CN107874901A CN 107874901 A CN107874901 A CN 107874901A CN 201711022311 A CN201711022311 A CN 201711022311A CN 107874901 A CN107874901 A CN 107874901A
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- Prior art keywords
- light
- contact lens
- radio energy
- emitting component
- circuit
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
- A61F9/0017—Introducing ophthalmic products into the ocular cavity or retaining products therein implantable in, or in contact with, the eye, e.g. ocular inserts
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Ophthalmology & Optometry (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Prostheses (AREA)
Abstract
Present invention is disclosed a kind of contact lens and intraocular illuminator, wherein, contact lens includes：Contact lens body, flexible PCB, radio energy receiving circuit and light-emitting component；The flexible PCB, radio energy receiving circuit and light-emitting component are deployed in designated area in the contact lens body；The radio energy receiving circuit and the light-emitting component are integrated on the flexible PCB；The radio energy receiving circuit electrically connects with the light-emitting component, with the light-emitting component of powering.The contact lens of the present invention directly can be worn on patient's eye, and the light that light-emitting component is sent after energization is directed through pupil and is diffused into the position that eyeground needs to illuminate；Soft contact lens body completely wraps up light-emitting component, and its biocompatibility and easily worn have been verified, and contact lens of the invention, to patient's eye without any extra wound, is both safe and functional while meeting to illuminate patient eyeground demand.
Description
Technical field
The present invention relates to medical treatment device, especially relates to contact lens and intraocular illuminator.
Background technology
, it is necessary to illuminate the ocular region of patient when a variety of eye examinations and ophthalmologic operation, general use punctures pore-creating and will
Lighting source introduces intraocular, typically cuts sclera and small fundus illumination lamp is put into from cutting section the vitreum of eyes
In, but such a mode can cause more wounds to patient's eye.And existing fundus illumination lamp is mostly a single light guide
Filament, it is connected in its one end by connector with high intense light source, the other end is introduced by support member in the vitreum of eyes,
After energization, light projects the required eyeground position illuminated, but optical fiber wire pair by fiber optic transmission and by vitreum
Require very high in the selectivity of light source, and fundus illumination lamp increases infection risk across operative region and bacteria district domain.
Therefore, prior art could be improved.
The content of the invention
The main object of the present invention is a kind of contact lens of offer, it is intended to solves existing fundus illumination device to patient's eye
Eyeball has extra wound and the high technical problem of eye pollution risk.
The present invention proposes a kind of contact lens, including：Contact lens body, flexible PCB, radio energy receive
Circuit and light-emitting component；
The flexible PCB, radio energy receiving circuit and light-emitting component are deployed in the contact lens body and specified
Region；
The radio energy receiving circuit and the light-emitting component are integrated on the flexible PCB；
The radio energy receiving circuit electrically connects with the light-emitting component, with the light-emitting component of powering.
Preferably, the designated area includes：Positive throwing of the iris on contact lens body under user's wearing state
Close to all or part of the frontier district in orthographic projection region of the pupil on contact lens body on the domain of shadow zone.
Preferably, the radio energy receiving circuit includes receiving coil；The receiving coil connects with the light-emitting component
Connect, with the light-emitting component of powering.
Preferably, in addition to first control circuit；The first control circuit is integrated on the flexible PCB；It is described
First control circuit is connected between the radio energy receiving circuit and light-emitting component, to control the luminous strong of light-emitting component
Degree.
Preferably, the light-emitting component includes OLED and/or LED with designated wavelength range；The specified wavelength model
Enclose including visible wavelength region and/or infrared wavelength region.
Present invention also offers a kind of intraocular illuminator, including above-mentioned contact lens, in addition to feeding electric energy to fill
Put；The contact lens body is located at outside the feeding electric energy device, so that the feeding electric energy device passes through radio energy
Transmission means transmits radio energy to the radio energy receiving circuit.
Preferably, the feeding electric energy device includes radio energy transtation mission circuit and circuit carrier；The radio energy
Transtation mission circuit is deployed in the circuit carrier；The radio energy transtation mission circuit is connect with specific mode to the radio energy
Receive circuit transmission radio energy.
Preferably, the specific mode includes one kind in EMR electromagnetic resonance mode, way of electromagnetic induction or radiation mode.
Preferably, the radio energy transtation mission circuit includes high frequency electric source or high frequency oscillation generator and transmitting coil；
The high frequency electric source or high frequency oscillation generator and transmitting coil are connected into the radio energy transtation mission circuit.
Preferably, the intraocular illuminator also includes second control circuit；The second control circuit is deployed in described
In circuit carrier, the second control circuit is connected to the radio energy transtation mission circuit, to control to the radio energy
Receiving circuit transmits the size of radio energy.
Advantageous effects of the present invention：The contact lens of the present invention in contact lens body by being embedded in luminous member
Part, realize to patient's fundus illumination.Contact lens directly can be worn on patient's eye, the light that light-emitting component is sent after energization
It is directed through pupil and is diffused into the position that eyeground needs to illuminate；Soft contact lens body completely wraps up light-emitting component,
Its biocompatibility and easily worn are verified that contact lens of the invention is meeting to illuminate patient eyeground for a long time
While demand, to patient's eye without any extra wound, ocular infection is not susceptible to, is both safe and functional.The present invention simultaneously
Light-emitting component be directly integrated on flexible PCB, realized equivalent in the one side of the remote patient's eye of light-emitting component
Shading designs so that contact lens of the invention ensures illumination light in passage of light not while patient eyeground is illuminated
The transmitting light of doctor's observation can be had an impact, lighting source does not influence the observation of doctor, and illumination light is held during surgical
The hand of line is liberated, and further ensures that the security of operated eye, significantly improves the experience of doctor and patient.
Brief description of the drawings
The structural representation of contact lens in Fig. 1 one embodiment of the invention；
The structural representation of contact lens in Fig. 2 another embodiment of the present invention；
The structural representation of the feeding electric energy device of intraocular illuminator in Fig. 3 further embodiment of this invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Reference picture 1, the embodiment of the present invention propose a kind of contact lens, including：Contact lens body 1, flexible circuit
Plate 2, radio energy receiving circuit 3 and light-emitting component 4；The flexible PCB 2, radio energy receiving circuit 3 and light-emitting component 4
It is deployed in the designated area of contact lens body 1；The radio energy receiving circuit 3 and the light-emitting component 4 are integrated
In on the flexible PCB 2；The radio energy receiving circuit 3 electrically connects with the light-emitting component 4, described luminous to power
Element 4.
The contact lens of the embodiment of the present invention is realized to suffering from by being embedded in light-emitting component 4 in contact lens body 1
Person's fundus illumination.Contact lens directly can be worn on patient's eye, and the light that light-emitting component 4 is sent after energization is directed through pupil
Hole is diffused into the position that eyeground needs to illuminate；Soft contact lens body 1 completely wraps up light-emitting component 4, its biofacies
Capacitive and easily worn are verified that the contact lens of the embodiment of the present invention is meeting to illuminate patient eyeground need for a long time
While asking, to patient's eye without any extra wound, ocular infection is not susceptible to, is both safe and functional.The present invention is real simultaneously
The light-emitting component 4 for applying example is directly integrated on flexible PCB 2, the preferably nontransparent material of flexible PCB 2 in the present embodiment
Flexible PCB 2, designed equivalent to shading is realized in the one side of the remote patient's eye of light-emitting component 4 so that the present invention
The contact lens of embodiment ensures that illumination light will not have an impact doctor in passage of light while patient eyeground is illuminated
The transmitting light of observation, lighting source do not influence the observation of doctor, and the hand that lighting source is held during surgical is liberated,
Further ensure that the security of operated eye.
Further, the light-emitting component 4 includes OLED and/or LED with designated wavelength range；The specified wavelength
Scope includes visible wavelength region and/or infrared wavelength region.
The emission wavelength of the light-emitting component 4 of the embodiment of the present invention can be chosen, and effectively avoid the light being harmful to human eye,
Such as ultraviolet, and it is preferred that good biocompatibility, it is suitable for the wavelength of light of fundus illumination.Visible ray can be selected in the present embodiment
Wavelength region and/or the organic luminous semiconductor OLED and/or LED of infrared wavelength region, its biocompatibility and phototoxicity
It is more suitable for fundus illumination.The organic light emission of the preferred visible wavelength region different wave length of light-emitting component 4 of the present embodiment is partly led
Body OLED, the different illumination wavelength band of visibility region can be obtained.Other embodiments of the invention select visible wavelength region and red
The light of outer wavelength region different wave length is combined illumination, makes complex light of the acquisition including infrared ray.The present invention other
Organic luminous semiconductor OLED and/or LED replacement can be met to the electroluminescent device of needs, such as quantum in embodiment for other
Point electroluminescent device etc..
Further, the designated area includes：Under user's wearing state iris on contact lens body 1 just
Close to all or part of the frontier district in orthographic projection region of the pupil on contact lens body 1 in view field.
Iris described in the present embodiment is a part for eye structure, and in a ring, there is a circular open at its center to iris, is claimed
It is the passage that light enters eyes for pupil.By the way that light-emitting component 4 is deployed in into iris in contact lens sheet in the present embodiment
Close to the frontier district in orthographic projection region of the pupil on contact lens body 1 on orthographic projection region on body 1, in order to light
Through pupil, eyeground is illuminated.Preferred light-emitting component 4 is covered with whole above-mentioned frontier district, while flexible electrical in a ring in the present embodiment
The annular for being shaped as similar above-mentioned cross-connecting area of road plate 2, to be matched with light-emitting component 4, improve light and illuminated through pupil
The region on eyeground, patient wear the contact lens in the present embodiment, can make almost whole eyeground be illuminated.As shown in Fig. 2 this
Invent in another embodiment, along above-mentioned frontier district partial deployment one or more light-emitting component 4, flexible PCB 2 and luminous member
The matching of part 4 uses, and forms the performance loop of light-emitting component 4, and patient wears the contact lens in the present embodiment, and light can only select
Selecting property illuminates certain subregion on patient eyeground, but effectively improves utilization rate of electrical, and improves the comfortable wearing of patient simultaneously
Degree.
Further, the radio energy receiving circuit 3 includes receiving coil；Light-emitting component 4 described in the receiving coil
Connection, for electroluminescent element 4.
The contact lens of the embodiment of the present invention is luminous member by wireless power transmission mode when illumination is realized
Part 4 is powered, and external device (ED) converts electric energy to the energy of the other forms such as magnetic field energy, laser, microwave and mechanical wave, ultrasonic wave,
Again by receiving coil by the energy conversion of the other forms such as the magnetic field energy received, laser, microwave and mechanical wave, ultrasonic wave into
Electric energy, to realize the power supply to light-emitting component 4, conductive contact line of the wireless power transmission mode without leakage, thoroughly solve
Connect up in disorder, arrester location fix, inconvenient surgical etc. the problems such as, bring more facilities to ophthalmologic operation；Avoid simultaneously
The equiprobable potential safety hazards such as hot plugging, power line short circuit, improve patient's safety in utilization, at the same reduce patient's use into
This.The preferred organic luminous semiconductor OLED of light-emitting component 4 of the present embodiment, energy storage electricity is also included in radio energy receiving circuit
Hold, and after preferably storage capacitor and receiving coil are connected in series, then be connected in series with light-emitting component 4, to be connect in radio energy
Receive and kept in circuit to the stable electric energy of the supply of light-emitting component 4.Light-emitting component 4 is that quantum dot is electroluminescent in other embodiments of the invention
During luminescent device, the storage capacitor in radio energy receiving circuit can be save, to save energy consumption.The nothing that the embodiment of the present invention uses
Line electric energy transmission means includes one kind in EMR electromagnetic resonance mode, way of electromagnetic induction or radiation mode.EMR electromagnetic resonance mode is
Using magnetic coupling resonance carry out energy transmission, its essence is using circuit produce a frequency cause coil resonance, using with frequency
Coil similar in rate produces coupling and carries out the transmission of energy, and transmission range is 10cm to 5m, and is not influenceed by barrier,
Low power EMR electromagnetic resonance system on human body is almost safe from harm, safer, but cost is high, and the requirement to hardware is also high, by outer
The interference on boundary easily produces off resonance, is not easy to debug；And during load change, efficiency of transmission can also may change, it is impossible to general.Electricity
Magnetic induction way carries out energy transmission by electromagnetic induction, produces magnetic field using alternating voltage is added in coil one end, another line
Circle can sense voltage, and way of electromagnetic induction can be with larger power output, and reduces the use of material, more environmentally-friendly；
But transmission range is small, and the position of two coils is fixed, it is impossible to is offset.Radiation mode is to utilize microwave or laser etc.
Carry out energy transmission, refer to and convert energy into and can be transmitted in the form of microwave or laser by antenna, transmission range compared with
Far, but efficiency is low, and requires higher to the direction of antenna, and runs into barrier and transmit and will interrupt.The present embodiment is preferably electric
Magnetic resonance mode, by electric energy and the mutual conversion regime of magnetic field energy, the transmission of radio energy is realized, can be safer, efficient, steady
Surely radio energy is transmitted.The embodiment of the present invention is configured with storage capacitor to improve the utilization rate of electric energy, to avoid the stream of electric energy
Lose, the storage capacitor of wherein the present embodiment is connected to a rectifier bridge, to be carried out to caused induced electromotive force in receiving coil
Rectification simultaneously stores, further to improve the utilization rate of radio energy.
Further, the contact lens of another embodiment of the present invention also includes first control circuit 5；First control
Circuit 5 is integrated on the flexible PCB 2；The first control circuit 5 is connected to the radio energy receiving circuit 3 and hair
Between optical element 4, to control the luminous intensity of light-emitting component 4.
Wrapped up in contact lens body in the present embodiment and be connected to radio energy receiving circuit 3 and light-emitting component 4
Between first control circuit 5, to control by the operating current of light-emitting component 4, and then control the luminous intensity of light-emitting component 4,
To widen the luminous intensity scope of light-emitting component 4, meets the needs of ophthalmologic operation.The present embodiment is preferably by first control circuit 5
It is series between radio energy receiving circuit 3 and light-emitting component 4, the first control circuit 5 in the present embodiment includes light intensity biography
Sensor and controller, light intensity sensor sensing light intensity brightness, and by light intensity brightness feedback to controller, controller is according to default light
Resistance value in strong luminance threshold auto-adjusting circuit, to realize the control to the luminous intensity of light-emitting component 4.The present invention other
For embodiment by improving the circuit layout of light-emitting component 4, it is controllable to can be achieved the luminous intensity of each light-emitting component 4 of designated area,
To meet to form the light area with light and shade contrast on eyeground.
A kind of intraocular illuminator, including above-mentioned contact lens are provided in further embodiment of this invention, in addition to
Feeding electric energy device 6；Contact lens body 1 is located at outside the feeding electric energy device 6, and is received relative to the radio energy
Circuit 3 is at a distance of distance to a declared goal, to make the feeding electric energy device 6 by being received to the radio energy in a manner of wireless power transmission
Circuit 3 transmits radio energy.
Feeding electric energy device 6 in the present embodiment be convert electric energy to other can radio transmission energy device, than
Such as convert electric energy to laser, microwave and mechanical wave, the energy of ultrasonic wave other forms, distance to a declared goal described in the present embodiment
Refer to can ensure that radio energy receiving circuit 3 can efficient reception energy transmission distance, to meet light-emitting component 4 in the present embodiment
Luminous demand.
Reference picture 3, feeding electric energy device described in the present embodiment 6 include radio energy transtation mission circuit 60 and circuit carrier
61；The radio energy transtation mission circuit 60 is deployed in the circuit carrier 61；The radio energy transtation mission circuit 60 is with finger
Determine mode and transmit radio energy to the radio energy receiving circuit 3.
The feeding electric energy device 6 of the present embodiment is worn on the device of a frame for ease of patient, positioned at the sterile hand of operated eye
Outside art area, the circuit carrier 61 in feeding electric energy device 6 can be that heat-resisting cloth, heat resistance fiber of middle with hole etc. are light
Just, soft and article of the easily worn at patient's eye socket, so as to effective transmission of radio energy, and increase patient's use simultaneously and relax
The structure of appropriateness, wherein middle with hole improves the easy-to-use degree of operation technique doctor.
Further, the radio energy transtation mission circuit 60 includes high frequency electric source or high frequency oscillation generator and emission lines
Circle；The high frequency electric source or high frequency oscillation generator and transmitting coil connect into the radio energy transtation mission circuit 60.
Preferred high frequency electric source is as radio energy feeding mechanism in the present embodiment, by by high frequency electric source and transmitting coil string
Connection connection, makes transmitting coil that radio energy is converted into magnetic flux intensity, radio energy is sent to receiving terminal, high frequency electric source phase
Than in high frequency oscillation generator, reducing energy conversion number, radio energy conversion ratio can be improved.
Further, the intraocular illuminator of the present embodiment also includes second control circuit 7；The second control circuit 7
Be deployed in the circuit carrier, the second control circuit 7 is series on the radio energy transtation mission circuit, with control to
The radio energy receiving circuit 3 transmits the size of radio energy.
Second control circuit 7 is also provided with the present embodiment in feeding electric energy device 6, so that user passes through control the
Button in two control circuits 7, makes feeding electric energy device 6 be connected in the circuit of obstructed voltage strength, to control to the nothing
Line electric energy receiving circuit 3 transmits the size of radio energy, and user is optionally using being arranged in contact lens body 1
First control circuit 5 and/or using being arranged at second control circuit 7 in feeding electric energy device 6, regulation and control light-emitting component 4
Luminous intensity.Can be by selecting in deployment first control circuit 5 or second control circuit 7 wherein in other embodiments of the invention
A kind of control that corneal contact lense brightness of illumination can be achieved.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, every utilization
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
- A kind of 1. contact lens, it is characterised in that including：Contact lens body, flexible PCB, radio energy receive electricity Road and light-emitting component；The flexible PCB, radio energy receiving circuit and light-emitting component are deployed in the contact lens body and specify area Domain；The radio energy receiving circuit and the light-emitting component are integrated on the flexible PCB；The radio energy receiving circuit electrically connects with the light-emitting component, with the light-emitting component of powering.
- 2. contact lens according to claim 1, it is characterised in that the designated area includes：User wears shape On the orthographic projection region on contact lens body close forward projection region of the pupil on contact lens body for iris under state The all or part of the frontier district in domain.
- 3. contact lens according to claim 1, it is characterised in that the radio energy receiving circuit includes receiving line Circle；The receiving coil is connected with the light-emitting component, with the light-emitting component of powering.
- 4. contact lens according to claim 1, it is characterised in that also including first control circuit；First control Circuit processed is integrated on the flexible PCB；The first control circuit is connected to the radio energy receiving circuit and lighted Between element, to control the luminous intensity of light-emitting component.
- 5. contact lens according to claim 1, it is characterised in that the light-emitting component includes having specified wavelength model The OLED and/or LED enclosed；The designated wavelength range includes visible wavelength region and/or infrared wavelength region.
- 6. a kind of intraocular illuminator, it is characterised in that including the contact lens any one of claim 1-5, go back Including feeding electric energy device；The contact lens body is located at outside the feeding electric energy device, so that the feeding electric energy fills Put and radio energy is transmitted to the radio energy receiving circuit by wireless power transmission mode.
- 7. intraocular illuminator according to claim 6, it is characterised in that the feeding electric energy device includes radio energy Transtation mission circuit and circuit carrier；The radio energy transtation mission circuit is deployed in the circuit carrier；The radio energy Transtation mission circuit transmits radio energy with specific mode to the radio energy receiving circuit.
- 8. intraocular illuminator according to claim 7, it is characterised in that the specific mode includes EMR electromagnetic resonance side One kind in formula, way of electromagnetic induction or radiation mode.
- 9. intraocular illuminator according to claim 7, it is characterised in that the radio energy transtation mission circuit includes high frequency Power supply or high frequency oscillation generator and transmitting coil；High frequency electric source or high frequency oscillation generator and the transmitting coil series connection Into the radio energy transtation mission circuit.
- 10. intraocular illuminator according to claim 7, it is characterised in that also including second control circuit；Described second Control circuit is deployed in the circuit carrier, and the second control circuit is connected to the radio energy transtation mission circuit, with Control the size to radio energy receiving circuit transmission radio energy.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022311.8A CN107874901B (en) | 2017-10-26 | 2017-10-26 | Corneal contact lens and intraocular illumination system |
| PCT/CN2018/105778 WO2019080664A1 (en) | 2017-10-26 | 2018-09-14 | Corneal contact lens and intraocular illumination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711022311.8A CN107874901B (en) | 2017-10-26 | 2017-10-26 | Corneal contact lens and intraocular illumination system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107874901A true CN107874901A (en) | 2018-04-06 |
| CN107874901B CN107874901B (en) | 2024-09-13 |
Family
ID=61782723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711022311.8A Active CN107874901B (en) | 2017-10-26 | 2017-10-26 | Corneal contact lens and intraocular illumination system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107874901B (en) |
| WO (1) | WO2019080664A1 (en) |
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| CN109350352A (en) * | 2018-10-12 | 2019-02-19 | 杨铭轲 | Vitreous cut lens ring for providing fundus illumination and application method thereof |
| CN109498180A (en) * | 2018-11-26 | 2019-03-22 | 杨松 | Flexible circuit board, contact lens and its processing method |
| WO2019080664A1 (en) * | 2017-10-26 | 2019-05-02 | 杨铭轲 | Corneal contact lens and intraocular illumination system |
| CN119014996A (en) * | 2024-08-12 | 2024-11-26 | 北京大学第一医院(北京大学第一临床医学院) | A receiver and a transmitter and a positioning device for gastrointestinal tract preoperative positioning |
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