CN107515480B - Magnetic suspension intelligent cornea contact lens nursing apparatus - Google Patents
Magnetic suspension intelligent cornea contact lens nursing apparatus Download PDFInfo
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- CN107515480B CN107515480B CN201710860287.9A CN201710860287A CN107515480B CN 107515480 B CN107515480 B CN 107515480B CN 201710860287 A CN201710860287 A CN 201710860287A CN 107515480 B CN107515480 B CN 107515480B
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- silica gel
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- permanent magnet
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- 230000000474 nursing effect Effects 0.000 title claims abstract description 38
- 210000004087 cornea Anatomy 0.000 title claims abstract description 19
- 239000000725 suspension Substances 0.000 title claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 126
- 239000000741 silica gel Substances 0.000 claims abstract description 126
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 126
- 238000004140 cleaning Methods 0.000 claims abstract description 67
- 238000003860 storage Methods 0.000 claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 239000006096 absorbing agent Substances 0.000 claims abstract description 15
- 210000003128 head Anatomy 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- VQAPWLAUGBBGJI-UHFFFAOYSA-N [B].[Fe].[Rb] Chemical compound [B].[Fe].[Rb] VQAPWLAUGBBGJI-UHFFFAOYSA-N 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 108090000623 proteins and genes Proteins 0.000 description 6
- 102000004169 proteins and genes Human genes 0.000 description 6
- 210000001508 eye Anatomy 0.000 description 5
- 230000005012 migration Effects 0.000 description 5
- 238000013508 migration Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 108010025899 gelatin film Proteins 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 150000002632 lipids Chemical class 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 102000004506 Blood Proteins Human genes 0.000 description 2
- 108010017384 Blood Proteins Proteins 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 208000001491 myopia Diseases 0.000 description 2
- 230000004379 myopia Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 241001417523 Plesiopidae Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 208000037976 chronic inflammation Diseases 0.000 description 1
- 230000006020 chronic inflammation Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002331 protein detection Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C13/00—Assembling; Repairing; Cleaning
- G02C13/008—Devices specially adapted for cleaning contact lenses
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/04—Spectacle cases; Pince-nez cases
- A45C11/043—Spectacle cases; Pince-nez cases with cleaning means
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/04—Spectacle cases; Pince-nez cases
- A45C11/046—Spectacle cases; Pince-nez cases with contact lens holders
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Abstract
The invention discloses a magnetic suspension intelligent cornea contact lens nursing appliance, which comprises a lens storage box and an electromagnetic conversion box; the lens storage box comprises a silica gel convex film, a silica gel concave film support, a permanent magnet frame and the like, wherein the silica gel convex film and an upper cover of the shell form an upper air bag, and the silica gel concave film support form a lower air bag; the electromagnetic conversion box comprises a shell, an electromagnetic conversion coil and a control circuit; the coil can be controlled to generate a variable magnetic field by introducing different currents into the coil, so that the permanent magnet is driven to vibrate, and the upper and lower air bags are driven to clean the lenses; the nursing appliance is provided with the upper and lower air bag structures at the same time, so that lenses with different curvatures can be closely matched, and dead angle-free cleaning is realized; in addition, the nursing appliance can also comprise a self-cleaning sheet, a negative pressure lens absorber and forceps to form a nursing set; can avoid pollution to the greatest extent, is convenient to use and is portable.
Description
Technical Field
The invention belongs to the field of cornea contact lens nursing devices, and relates to a magnetic suspension intelligent cornea contact lens nursing device which can effectively clean, care, place and wear cornea contact lenses of various specifications and models.
Background
In the process of wearing the cornea contact lens, the whole set of devices such as a negative pressure lens absorber, forceps, a lens storage box and the like can be used, and the direct contact with eyeballs is involved, so that the long-term wearing of the cornea contact lens device can inevitably bring adverse effects to the health of eyes if the cornea contact lens device is not focused on cleaning in the use process. The most critical consideration in this process is the cleaning of the lenses, followed by contamination of the lens storage case, and then by suction of the lenses with poor negative pressure, forceps, or direct hand-sticking of the lenses to cause infection and injury to the eyes.
Studies of the physical and chemical properties of the precipitates in the human eye and the formation of contamination during contact lens wear have shown that: eye stains attached to contact lenses after wear are broadly classified as follows:
1. Lipid: the fine semitransparent particles with loose mirror surface can be linearly crossed with the lens (the lens is easier to be recognized after being frozen) when the lens is taken down.
2. Jelly block (stone): milky translucent smooth plaques, raised on the lens surface, are the major contributors to chronic inflammation of the eye.
3. Protein: the mirror surface is a milky semitransparent film with different degrees, and is a main cause of conjunctival inflammation. At the position of
4. Other organic or inorganic dust and tears are mixed to form crystals (crystals are large, small, hard, and soft).
The combination shuttlecock between the various dirt and the lens is very firm, has no external force with a certain magnitude, and is difficult to clean when being rubbed and washed under the soaking of the nursing liquid. The existing commercial cleaning instruments and cleaning methods are divided into two categories: one type is a physical cleaning instrument; physical cleaning can be generally classified into: 1, rubbing by hand: under the condition of soaking in the nursing liquid, rubbing and washing with fingers; the method is original, cannot be rubbed in place comprehensively, is particularly difficult to remove dirt in the reverse arc, and is easy to break due to uneven stress of the lens. 2, the lens oscillates along with the nursing liquid, 3, the lens is placed in the nursing liquid for ultrasonic cleaning, at this time, the relative movement speed between the lens and the nursing liquid is 0, so that the dirt on the surface of the lens is difficult to clean. Another type is an electrochemical cleaner. Electrochemical cleaning is mainly based on electrophoretic protein transfer, and the basic principle of the electrophoretic protein transfer is as follows: biological macromolecules such as proteins, nucleic acids and polysaccharides are mostly formed by cationic and anionic groups, the electrostatic charge property of which is determined by the pH value and concentration of the medium, charged particles migrate in an electric field in the direction of a cathode or an anode, and the migration direction is determined by the property of the charged particles, namely: and (5) electrophoresis. We know that: the charge mobility with polarity and the potential gradient are related to the pH of the medium, to the frictional resistance of the medium, and obey the stokes law, namely: f=6pi r v, v is the moving speed in a medium having a viscosity η, briefly: this migration movement is related to the electric field strength E, the PH of the medium and the soil weight M, the migration direction, the migration path, and the migration distance d=met, which are essential requirements for forming an electrophoretic transfer. According to the stokes law, the voltage used in the instrument as a general medical serum protein detection condition is up to 500V-1000V, and the spectrum formation of serum protein at low voltage and normal temperature requires 100-500V working voltage for 30 minutes, so when the conductive element disclosed in patent 200910207479.5 is contacted and conducted with the cleaning agent placed in the cleaning unit to form an electrified loop, the adhesive on the contact lens is taken away, so that the cleaning operation is completed, the basic fingerprint trace is not removed, and the cleaning of the typical 1,2,3 and 4 types of dirt is not satisfactory. From the above practices we analyzed that the electric field established by a 3 volt dc cell was only a result of 'strong trees' to remove fingerprint marks and 4 types of dirt firmly bound to the lens face.
In addition, the existing lens storage boxes and other supporting care appliances (especially appliances during storage of the cleaned lenses) on the market are not kept pace. If the lens storage box and the tweezers are used at present, the negative pressure lens absorber is troublesome to clean and disinfect, and secondary pollution is very likely to be caused to the cleaned lenses in the processes of lens storage, taking and wearing, thereby affecting the human health.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a magnetic suspension intelligent cornea contact lens nursing device which has two functions of cleaning and storing, and can realize the full-angle cleaning and nursing of the lens when the lens is stored.
The technical scheme adopted for solving the technical problems is as follows:
the magnetic suspension intelligent cornea contact lens nursing appliance comprises a nursing box with the functions of cleaning and storing, wherein the nursing box comprises a lens storage box and an electromagnetic conversion box;
The lens storage box comprises a shell upper cover, a lens storage box shell, a silica gel convex film, a silica gel concave film support, a permanent magnet and a permanent magnet frame, which are respectively corresponding to the two lenses; the silica gel convex film is buckled on the lower surface of the upper cover of the shell from the lower part, an upper air bag is formed between the silica gel convex film and the upper cover, the silica gel concave film is buckled on the silica gel concave film support from the upper part, a lower air bag is formed between the silica gel concave film and the lower cover, the silica gel concave film support is fixed on the permanent magnet, the permanent magnet is arranged in the permanent magnet frame, and the permanent magnet frame is fixed in the shell of the mirror storage box;
The electromagnetic conversion box comprises a shell, an electromagnetic conversion coil and a control circuit; the shell is provided with a groove and a buckle, the shell of the mirror storage box can be embedded into the groove and fixed with the shell through the buckle, the electromagnetic conversion coil is wound on the periphery of the groove, and the control circuit is used for controlling the current introduced into the electromagnetic conversion coil so as to regulate and control the magnetic field generated in the coil.
By introducing different currents into the coil, a magnetic field (magnetic force lines) is generated and penetrates through the shell of the lens storage box and the permanent magnet frame, and the magnetic field is acted on the permanent magnet (such as rubidium-ferrum-boron magnetic steel), so that the permanent magnet is strongly vibrated, the silica gel concave film support is driven to enable the silica gel convex film and the silica gel concave film to generate relative motion, so that lenses placed between the silica gel convex film and the silica gel concave film can be squeezed and rubbed in an omnibearing manner, meanwhile, due to the fact that the upper air bag and the lower air bag exist at the same time, the lenses can be allowed to deform randomly in the cleaning process, dead angle free cleaning of the lenses is facilitated, and the cleaning device is particularly suitable for cleaning deposited proteins, lipids and the like at junction parts such as special myopia correcting base arcs, positioning arcs and reversing arcs on the surfaces of OK lenses, and particularly reverse arcs which are difficult to clean thoroughly by conventional cleaning means. After the cleaning is finished, constant direct current is fed into the coil under the control of the control circuit, so that the permanent magnet drives the silica gel concave film support to rise upwards, the lens is supported out of the nursing liquid, and a user can conveniently take the lens.
The lens storage box and the electromagnetic conversion box can be completely separated, and the lens can be cleaned only after the lens storage box is correctly placed in the groove of the electromagnetic conversion box.
In the technical scheme, the nursing appliance further comprises a self-cleaning sheet, wherein the self-cleaning sheet is made of one or more materials of polyvinyl alcohol medical sponge, melt-blown medical non-woven materials and mirror wiping paper in a compounding manner, is in a lens shape and is used for replacing lenses to be placed in the mirror storage box to realize self-cleaning of the silica gel convex film and the silica gel concave film. In the process of cleaning the lenses, the convex silica gel film and the concave silica gel film in the instrument can be bound with dirt, if dirt is not removed in time, the next lens cleaning effect is affected or secondary pollution is caused to the lenses, the self-cleaning sheet is adopted to replace the lenses, the silica gel cleaning head and the silica gel cleaning pad can be automatically cleaned after the cleaning instrument is started, and cleaning and disinfection of nursing appliances can be conveniently achieved.
The nursing appliance can also comprise a pair of forceps and a negative pressure lens absorber, and the self-cleaning sheet, the pair of forceps and the negative pressure lens absorber can be arranged in the nursing box to form a nursing set.
At present, a suction rod and tweezers are often arranged in the existing contact lens nursing accessory, however, the suction rod is often single in structure, suction force cannot be adjusted, the lens is often sucked, the lens is not easy to drop or separate from the suction rod, and the requirement of each user cannot be well met; in order to protect the lenses from damage, tweezers are often designed with round heads, the lenses are not firmly clamped, and the humanization of the accessory designs leads to the fact that most contact lens users basically wear the lenses by bare hands, so that the pollution risk is greatly increased.
The negative pressure lens absorber can be vertical, and comprises a silica gel sucker, a silica gel rod body and a push-pull rod, wherein the silica gel sucker is fixed at one end of the silica gel rod body, the silica gel rod body is hollow and communicated with the silica gel sucker, and the push-pull rod is inserted into a hollow channel of the silica gel rod body and is tightly matched with the hollow channel. When the lens is taken, the silica gel sucker is contacted with the lens, the push-pull rod is pulled to enable negative pressure to be formed in the hollow channel, so that the lens is adsorbed, and the push-pull rod is pushed in to release the adsorption; the push-pull rod can be provided with scale marks so as to facilitate the user to identify the position corresponding to the conventional pressure.
The negative pressure lens absorber also can be the dactylotheca formula, including silica gel disk body, silica gel dactylotheca and adjustable tight strap, silica gel dactylotheca fingertip end is equipped with the silica gel body of rod, and silica gel disk body cavity and one end are sucking disc form other end and are the tube-shape, and silica gel disk body tube-shape pot head is on the silica gel body of rod and two close fit. The use principle of the belt is the same as that of the upright belt, the use habit of wide bare-handed users is considered, the tightness of the tightening belt can be adjusted, and the belt is flexible to use.
The forceps comprise lens forceps and embedded silica gel heads, the tail ends of the embedded silica gel heads are sleeved at the tips of the lens forceps, and the other ends of the embedded silica gel heads are wedge-shaped.
The beneficial effects of the invention are as follows:
The magnetic suspension intelligent cornea contact lens nursing device has the advantages that the structure is improved: 1. the air bag type cleaning component is adopted, and the upper air bag structure and the lower air bag structure are arranged at the same time, so that lenses with different curvatures can be closely matched; 2. the electromagnetic drive is adopted to realize the cleaning or lifting of the lens by adjusting the state of current flowing in the coil, so that the lens is convenient to take; 3. the self-cleaning sheet is additionally arranged after the lens is cleaned, the self-cleaning of the cleaning instrument can be realized by starting the cleaning instrument instead of the lens, and the problems of troublesome disinfection and incomplete cleaning of the existing cleaning instrument are thoroughly solved; 3. the design of the mirror storage box and the electromagnetic conversion box is adopted, so that the whole machine can be separated, the carrying is convenient, and meanwhile, the storage and cleaning nursing functions are realized; 4. the key components of the whole system are realized by silica gel, so that the lens is not easy to damage in the cleaning process; 5. the improved negative pressure lens absorber is more convenient and safer to use.
Drawings
FIG. 1 is a schematic view of the structure of the nursing box of the present invention;
FIG. 2 is a schematic structural view of the mirror box;
Fig. 3 is a schematic structural view of the electromagnetic conversion box;
FIG. 4 is a schematic diagram of a coil-driven silicone female film support;
FIG. 5 is a schematic view of the front and back side structure of the self-cleaning sheet;
FIG. 6 is a schematic diagram of a control circuit for coil drive;
FIG. 7 is a schematic view of the construction of an upright negative pressure lens holder;
FIG. 8 is a schematic diagram of the construction of a finger-stall negative pressure lens absorber;
Fig. 9 is a schematic view of the structure of the forceps;
In the figure, the upper cover of the casing is 1, the convex film of silica gel is 2, the contact lens to be cleaned is 3, the concave film of silica gel is 4, the concave film of silica gel is supported by5, the steel frame of rubidium-iron-boron-magnet is 6, the steel magnet of rubidium-iron-boron, 8, the casing of the lens storage box is 9, the casing of the electromagnetic conversion box is 10, the electromagnetic conversion coil is 11, the circuit board is 12, the battery is 13, the battery cover plate is 14, the silica gel sucker is 15, the silica gel rod is 16, the push-pull rod is 17, the silica gel disc is 18, the silica gel rod body is 19, the silica gel finger sleeve is 20, and the tightening strap is adjustable.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1-9, the magnetic suspension intelligent cornea contact lens nursing apparatus of the example comprises a nursing box, a self-cleaning sheet, a negative pressure lens absorber and forceps; the complete set of care appliances forms a care set.
The nursing box comprises a mirror storage box and an electromagnetic conversion box;
The mirror storage box comprises a shell upper cover 1, a mirror storage box shell 8 and two sets of cleaning components which are arranged in the mirror storage box and respectively correspond to the two lenses: the device comprises a silica gel convex film 2, a silica gel concave film 4, a silica gel concave film support 5, a rubidium-iron-boron magnetic steel 7 and a rubidium-iron-boron magnetic steel frame 6; the silica gel convex film 2 is buckled on the lower surface of the upper cover of the shell from the lower part, an upper air bag is formed between the silica gel convex film 2 and the upper cover, the silica gel concave film 4 is buckled on the silica gel concave film support 5 from the upper part, a lower air bag is formed between the silica gel concave film support 5 and the silica gel concave film support, the silica gel concave film support 5 is fixed on the rubidium-iron-boron magnetic steel 7, the rubidium-iron-boron magnetic steel is arranged in the rubidium-iron-boron magnetic steel frame, and the rubidium-iron-boron magnetic steel frame is fixed in the shell of the storage mirror box;
The electromagnetic conversion box comprises a shell 9, an electromagnetic conversion coil 10 and a control circuit 11; the shell is provided with a groove and a buckle, the shell of the mirror storage box can be embedded into the groove and fixed with the shell through the buckle, the electromagnetic conversion coil is wound on the periphery of the groove, and the control circuit is used for controlling the current introduced into the electromagnetic conversion coil so as to regulate and control the magnetic field generated in the coil.
Different currents are introduced into the coil to generate magnetic fields (magnetic lines of force) which penetrate through the shell of the lens storage box and the permanent magnet frame, the magnetic fields act on the inherent magnetic fields of the rubidium-iron-boron magnetic steel, the rubidium-iron-boron magnetic steel is strongly vibrated under the excitation of the changed magnetic fields, and the silica gel concave film support is driven to enable the silica gel convex film and the silica gel concave film to generate relative motion, so that lenses placed between the two films can be squeezed and rubbed in an omnibearing manner, and cleaning is realized; meanwhile, due to the existence of the upper air bag and the lower air bag, the lens can be allowed to deform randomly in the cleaning process, dead angle free cleaning of the lens is facilitated, and the cleaning device is particularly suitable for cleaning deposited proteins, lipids and the like at the junction parts such as myopia base arcs, positioning arcs and reversal arcs which are special on the surface of the OK lens, and particularly at the reversal arcs which are difficult to clean thoroughly by conventional cleaning means. After the cleaning is finished, constant direct current is fed into the coil under the control of the control circuit, so that the permanent magnet drives the silica gel concave film support to rise upwards, the lens is supported out of the nursing liquid, and a user can conveniently take the lens.
The excitation of the coil, a specific control circuit principle can be shown with reference to fig. 6, and a 3D high-low frequency modulation stereoscopic power source can be generated, wherein U 1 is a low-power positive start switch chip, and S 1 is an instrument start switch. U 2C、U2D is a boosting and voltage stabilizing chip, so that a 1.5-3V battery can be boosted to a stable 2V power supply to work for the singlechip U 3, the singlechip U 3 generates various control signals, Q 2、Q3、Q6、Q7 forms a coil forward and reverse current driving circuit, and R marks are omitted from resistors R1-R32 in the figure due to limited space.
The working principle is as follows:
In the circuit, U 1 is a D trigger, 3 pins are CLK trigger electrodes, R1 outputs low level at the electric position of 3 pins, Q is inverse to output low level, when a button S1 is connected, CLK trigger potential rises from low level to high level, Q is inverse to output high level at the same time, the high level enables one AND end of a U 2C NAND gate to be arranged high, a multi-harmonic oscillator consisting of U 2C and U 2D starts to work, the oscillation frequency is determined by R17 and C3, a mos tube Q1 works, voltage is lifted through an inductor L1, and D4 rectifies, C4 filters and a voltage stabilizing tube D5 stabilizes to 2.5V direct current voltage stabilizing power supply to work for a singlechip U 3 to stabilize;
The coil forward and reverse current driving circuit is an H bridge driving output switching circuit formed by Q6, Q3, Q7 and Q2, and coils are output at I4 and I5 ends, wherein R31 and R32 are current limiting resistors, and the maximum working current of the instrument is limited.
The control signal of the driving circuit is given by the 5 th pin of the singlechip U 3, the 6 th pin and the 4 th pin of the U 3 form a comparator, and when the battery voltage drops to have influence on the cleaning effect, the 5 th pin stops outputting the working signal, so that the instrument enters a dormant shutdown state. The 3 rd pin of the U 3 outputs a shutdown signal after the program execution is completed, and the D trigger is reset through the mos tube and the D trigger to stop working.
The lens storage box and the electromagnetic conversion box in the nursing box can be completely separated, and the lens can be cleaned only after the lens storage box is correctly placed in the groove of the electromagnetic conversion box.
The self-cleaning sheet is made of one or more materials selected from polyvinyl alcohol medical sponge, melt-blown medical non-woven material and mirror wiping paper, and has a lens shape as shown in fig. 5, and can replace a lens to be placed in a mirror storage box to realize self-cleaning of a silica gel convex film and a silica gel concave film. In the process of cleaning the lenses, the convex silica gel film and the concave silica gel film in the instrument can be bound with dirt, if dirt is not removed in time, the next lens cleaning effect is affected or secondary pollution is caused to the lenses, the self-cleaning sheet is adopted to replace the lenses, the silica gel cleaning head and the silica gel cleaning pad can be automatically cleaned after the cleaning instrument is started, and cleaning and disinfection of nursing appliances can be conveniently achieved.
The negative pressure lens absorber can be vertical and comprises a silica gel sucker 14, a silica gel rod body 15 and a push-pull rod 16, wherein the silica gel sucker is fixed at one end of the silica gel rod body, the silica gel rod body is hollow and is communicated with the silica gel sucker, and the push-pull rod is inserted into a hollow channel of the silica gel rod body and is tightly matched with the hollow channel. When the lens is taken, the silica gel sucker is contacted with the lens, the push-pull rod is pulled to enable negative pressure to be formed in the hollow channel, so that the lens is adsorbed, and the push-pull rod is pushed in to release the adsorption; the push-pull rod can be provided with scale marks so as to facilitate the user to identify the position corresponding to the conventional pressure. The pressure of the lens absorber can be automatically adjusted, and the lens absorber can be suitable for users with different requirements.
The negative pressure lens absorber can also adopt a fingerstall type, and comprises a silica gel disc body 17, a silica gel fingerstall 19 and an adjustable tightening strap 20, wherein the fingertip end of the silica gel fingerstall is provided with a silica gel rod body 18, the silica gel disc body is hollow, one end of the silica gel disc body is in a sucking disc shape, the other end of the silica gel disc body is in a cylinder shape, and the cylinder-shaped end of the silica gel disc body is sleeved on the silica gel rod body and is tightly matched with the silica gel rod body. The use principle of the belt is the same as that of the upright belt, the use habit of wide bare-handed users is considered, the tightness of the tightening belt can be adjusted, and the belt is flexible to use.
The tweezers comprise lens tweezers and embedded silica gel heads, the lens tweezers and the embedded silica gel heads are improved on the basis of the existing tweezers, the end parts of the existing tweezers are often round, clamping is inconvenient, the embedded silica gel heads are adopted in the embodiment, the tail ends of the embedded silica gel heads are sleeved at the tips of the lens tweezers, the other ends of the embedded silica gel heads are wedge-shaped, the acute angles of the silica gel at the tips of the improved embedded tweezers are obvious, and clamping is firm.
Claims (7)
1. The magnetic suspension intelligent cornea contact lens nursing appliance is characterized by comprising a nursing box with the functions of cleaning and storing, wherein the nursing box comprises a lens storage box and an electromagnetic conversion box;
The lens storage box comprises a shell upper cover, a lens storage box shell, a silica gel convex film, a silica gel concave film support, a permanent magnet and a permanent magnet frame, which are respectively corresponding to the two lenses; the silica gel convex film is buckled on the lower surface of the upper cover of the shell from the lower part, an upper air bag is formed between the silica gel convex film and the upper cover, the silica gel concave film is buckled on the silica gel concave film support from the upper part, a lower air bag is formed between the silica gel concave film and the lower cover, the silica gel concave film support is fixed on the permanent magnet, the permanent magnet is arranged in the permanent magnet frame, and the permanent magnet frame is fixed in the shell of the mirror storage box;
The electromagnetic conversion box comprises a shell, an electromagnetic conversion coil and a control circuit; the shell is provided with a groove and a buckle, the shell of the mirror storage box can be embedded in the groove and fixed with the shell through the buckle, the electromagnetic conversion coil is wound on the periphery of the groove, and the control circuit is used for controlling current introduced into the electromagnetic conversion coil so as to regulate and control a magnetic field generated in the coil;
After the cleaning is finished, constant direct current is fed into the electromagnetic conversion coil under the control of the control circuit, so that the permanent magnet drives the silica gel concave film support to rise upwards, and the lens is supported out of the nursing liquid.
2. The magnetic suspension intelligent cornea contact lens care implement according to claim 1, further comprising a self-cleaning sheet, wherein the self-cleaning sheet is made of one or more materials selected from polyvinyl alcohol medical sponge, melt-blown medical non-woven material and lens wiping paper in a compounding manner, and is in a lens shape for replacing a lens to be placed in a lens storage box to realize self-cleaning of a silica gel convex film and a silica gel concave film.
3. The magnetically levitated intelligent contact lens care implement of claim 1, further comprising forceps and a negative pressure lens absorber.
4. The magnetic suspension intelligent cornea contact lens care implement according to claim 3, wherein the negative pressure lens suction device is vertical and comprises a silica gel sucker, a silica gel rod body and a push-pull rod, the silica gel sucker is fixed at one end of the silica gel rod body, the silica gel rod body is hollow and communicated with the silica gel sucker, and the push-pull rod is inserted into the hollow channel of the silica gel rod body and is tightly matched with the hollow channel.
5. The magnetic suspension intelligent cornea contact lens care implement according to claim 4, wherein the push-pull rod is provided with scale marks.
6. The magnetic suspension intelligent cornea contact lens care implement according to claim 3, wherein the negative pressure lens suction device is a finger sleeve type, and comprises a silica gel disc body, a silica gel finger sleeve and a tightening strap, wherein a silica gel rod body is arranged at the fingertip end of the silica gel finger sleeve, the silica gel disc body is hollow, one end of the silica gel disc body is in a sucking disc shape, the other end of the silica gel disc body is in a cylinder shape, and the cylinder-shaped end of the silica gel disc body is sleeved on the silica gel rod body and is tightly matched with the silica gel rod body.
7. The magnetic suspension intelligent cornea contact lens care implement according to claim 3, wherein the forceps comprise lens forceps and an embedded silica gel head, the tail end of the embedded silica gel head is sleeved at the tip end of the lens forceps, and the other end of the embedded silica gel head is wedge-shaped.
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| CN107515480B true CN107515480B (en) | 2024-05-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109212784A (en) * | 2018-10-23 | 2019-01-15 | 杭州视亨光电有限公司 | Automatic intelligent hydrodynamic force contact lens cleaning machine |
| CN109771133B (en) * | 2019-03-07 | 2024-06-25 | 江苏省人民医院（南京医科大学第一附属医院） | Cornea contact lens receiver applied to vitreoretinal surgery |
| CN116174400A (en) * | 2022-12-29 | 2023-05-30 | 杭州世净科技有限公司 | Ultrasonic cleaning machine |
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