CN210605248U - Corneal contact lens cleaning and disinfecting nursing instrument based on physical method - Google Patents
Corneal contact lens cleaning and disinfecting nursing instrument based on physical method Download PDFInfo
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- CN210605248U CN210605248U CN201920760695.1U CN201920760695U CN210605248U CN 210605248 U CN210605248 U CN 210605248U CN 201920760695 U CN201920760695 U CN 201920760695U CN 210605248 U CN210605248 U CN 210605248U
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- 230000000474 nursing effect Effects 0.000 title claims abstract description 39
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- 238000000053 physical method Methods 0.000 title claims abstract description 15
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000741 silica gel Substances 0.000 claims abstract description 15
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 15
- 210000004087 cornea Anatomy 0.000 claims abstract description 5
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 20
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- UHPMCKVQTMMPCG-UHFFFAOYSA-N 5,8-dihydroxy-2-methoxy-6-methyl-7-(2-oxopropyl)naphthalene-1,4-dione Chemical compound CC1=C(CC(C)=O)C(O)=C2C(=O)C(OC)=CC(=O)C2=C1O UHPMCKVQTMMPCG-UHFFFAOYSA-N 0.000 description 4
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- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model discloses a cornea contact lens cleaning and disinfecting nursing instrument based on a physical method, which comprises a shell, a water tank, an ultraviolet lamp, a miniature drainage pump, a centrifugal cleaning part and a control circuit; the water tank is used for containing water, a transparent window is arranged on the side wall of the water tank, the ultraviolet lamp is arranged outside the transparent window, and water in the water tank can be discharged by the micro drainage pump; the centrifugal cleaning component comprises a centrifugal motor, a rotating main support and two silica gel net-shaped structure mirror boxes fixed below the rotating main support, and the centrifugal motor drives the two mirror boxes to rotate through the rotating main support; the nursing instrument uses water as a cleaning medium, utilizes a physical method to clean, disinfect and sterilize the corneal contact lens, combines the deep cleaning and disinfection technologies of the corneal contact lens, and fills the blank of green and environment-friendly disinfection and nursing products of the corneal contact lens at home and abroad.
Description
Technical Field
The utility model belongs to the technical field of corneal contact lens washing, disinfection, a corneal contact lens washing disinfection nursing appearance is related to, especially relate to a corneal contact lens washing disinfection nursing appearance based on physical method.
Background
Myopia is the most common eye disease in China, and investigation results show that the myopia rate of students in China is the second place in the world. The myopia rate of pupils is 28%, the myopia rate of junior and middle school students is 60%, the myopia rate of senior and middle school students is 85%, and the myopia rate of college students is 90%; the myopia defect rate of boys over 14 years old and girls over 13 years old is over 80 percent. Contact lenses (contact lenses) are favored by more and more patients, particularly young people, with the advantages of convenience, comfort, beauty and the like, and the number of the contact lenses is increased year by year; in recent years, more and more parents tend to select novel corneal contact lenses (such as RGP, OK lenses and the like) to correct myopia of teenagers and delay the development of myopia, so the problems of cleaning, nursing and disinfecting the corneal contact lenses are in great concern.
At present, the cleaning, disinfection and nursing of the corneal contact lens mostly adopt a chemical method: namely, the contact lens is cleaned by repeatedly rinsing, soaking or protease removal of the contact lens care solution, and the contact lens is cleaned by repeatedly rubbing with hands and repeatedly rinsing, soaking or protease removal of the care solution, so that the contact lens is easily abraded, scratched, cracked and the like. The choice of contact lenses means that a wide variety of chemical cleaning, disinfecting and care solutions are not necessary. The components are complex, and once one component in the liquid is invalid or polluted, the risk of eye infection and even blindness is brought; in addition, repeated use of chemical cleaning and disinfecting solutions for extended periods can cause various diseases of the ocular surface: such as giant papillary conjunctivitis, corneal perception loss, dry eye, and the like. And various used chemical cleaning solutions, disinfection solutions and nursing solutions are poured everywhere, so that the pollution to the environment is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a contact lens cleaning and disinfecting nursing appearance based on physical method, this nursing appearance use water to wash the media, utilize the method of physics to wash disinfection and sterilization to the contact lens, combine together contact lens's deep cleanness and disinfection and sterilization technique, filled domestic and foreign contact lens green and the blank of environmental protection disinfection nursing product.
The utility model adopts the technical scheme as follows:
a cornea contact lens cleaning and disinfecting nursing instrument based on a physical method comprises a shell, a water tank, an ultraviolet lamp, a miniature drainage pump, a centrifugal cleaning part and a control circuit;
the shell comprises a groove-shaped base, a middle frame and an upper cover, the water tank, the ultraviolet lamp and the micro drainage pump are all arranged in the groove-shaped base, the middle frame is fixed on the base, the hollowed-out part of the middle frame is opposite to the water tank, the upper cover can be arranged above the middle frame in an openable mode, and a closed space is formed among the upper cover, the middle frame and the groove-shaped base after the upper cover is closed;
the water tank is used for containing water, a transparent window is arranged on the side wall of the water tank, the ultraviolet lamp is arranged outside the transparent window, a water outlet is formed in the water tank and is connected with the micro drainage pump, and the water outlet end of the micro drainage pump is connected with a water outlet formed in the groove-shaped base;
the centrifugal cleaning component comprises a centrifugal motor, a rotating main support and two silica gel net-shaped structure mirror boxes fixed below the rotating main support, the centrifugal motor is arranged on the bottom surface of the upper cover, and the rotating main support is fixedly connected with an output shaft of the centrifugal motor;
the control circuit controls the centrifugal motor, the ultraviolet lamp and the micro drainage pump to work.
Among the above-mentioned technical scheme, it is further, silica gel network structure mirror box be silica gel material, network structure's fretwork mirror box for place the cornea contact lens.
Furthermore, the two silica gel net-shaped structure mirror boxes are respectively arranged at two ends of the rotary main bracket.
Furthermore, the transparent window is made of quartz glass.
Furthermore, quartz glass transparent windows are arranged on two side walls of the water tank, and an ultraviolet lamp is arranged outside each transparent window.
Further, the disinfection nursing instrument is provided with an LED indicating lamp for displaying the working state.
Further, the disinfection nursing instrument is provided with a control button, and the nursing instrument automatically performs the following work after being pressed: after the centrifugal motor rotates forwards and reversely alternately for a certain time, the ultraviolet lamp is turned on, the miniature drainage pump works, and after a certain period of time, the ultraviolet lamp is turned off, and the centrifugal motor stops rotating.
Furthermore, the speed of the rotation of the centrifugal motor is 2 times of positive and negative rotation movement/second, after the rotation is carried out for 3 minutes, the ultraviolet lamp is turned on, the micro drainage pump is started, and after 3 minutes, the ultraviolet lamp is turned off, and the centrifugal motor stops rotating.
Furthermore, the total power of the ultraviolet lamp is 12W.
Furthermore, the control circuit is realized based on a single chip microcomputer.
The utility model has the advantages that:
the utility model discloses a nursing appearance is a brand-new contact lens cleaning and disinfecting nursing instrument, this instrument uses water to wash disinfection and sterilization to contact lens as the method that the cleaning medium utilized physics, combine together contact lens's deep cleaning and disinfection and sterilization technique, can realize automated control, whole washing, sterile in-process, need not go contact lens with the hand, the secondary pollution of lens has effectively been prevented, and whole process is pure physical process, do not relate to the use and the pollution of chemicals, the blank of domestic and foreign contact lens green and environmental protection disinfection nursing product has been filled.
The utility model discloses a nursing appearance cleaning performance is obviously superior to ultrasonic cleaner on sale, through the washing of 3 minutes time, observes under the environment of slit lamp light source with the high power microscope, and any lens is located all not have tear secretion such as obvious lipid, albumen at location arc, base arc, reversal arc etc. and deposits.
The utility model discloses a nursing appearance disinfection effect is excellent, can effectively exterminate control microorganism, and different with the angular contact lens cleaning instrument on the market, because this nursing appearance uses the water to wash for the medium, does not have any cleaner to remain when killing the microorganism.
The utility model discloses a corneal contact lens of any type can be washd to the care instrument, need not special nursing liquid, and its compatibility is extremely strong.
It can be seen that the nursing instrument of the utility model leads the development of the new generation of corneal contact lens cleaning and disinfecting products.
Drawings
FIG. 1 is a schematic view of a specific structure of the nursing device of the present invention;
FIG. 2 is a schematic view showing a specific structure of a centrifugal cleaning unit;
FIG. 3 is a schematic diagram of a specific structure of a lens case with a silica gel net structure;
FIG. 4 is a schematic view showing a specific structure of the water tank;
fig. 5 is a schematic diagram of a specific structure of the control circuit.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
1. Structural design and operation control of nursing instrument
The nursing instrument of the utility model comprises a shell, a water tank, an ultraviolet lamp, a miniature draining pump, a centrifugal cleaning component and a control circuit; as shown in FIG. 1, the present invention is a specific structure of the nursing device, and this example is only used to illustrate and explain the solution of the present invention and is not to limit the scope of the present invention. In this example, the care instrument includes: the device comprises a shell base 1, a rectifier 2 of a 12-watt ultraviolet lamp, a miniature drainage pump 3, a power switch 4, two ultraviolet lamp tubes (6 watts each) 5, a water tank 6, a middle frame (with a start button and an LED indicator lamp) 7, a pcb circuit board 8, two silica gel net-shaped structure mirror boxes 9, a rotary main support 10, a centrifugal motor 11 and an upper cover 12; the middle frame 7 is fixed on the base 1, the hollow part of the middle frame 7 is opposite to the water tank 6, the upper cover 12 is arranged above the middle frame 7, and a closed space is formed among the upper cover 12, the middle frame 7 and the base 1 after the upper cover 12 is closed; the water tank 6 is used for holding water, two side walls of the water tank are provided with transparent windows (as shown in figure 4), the transparent windows are made of quartz glass with the ultraviolet transmittance of 95 percent, the thickness of the transparent windows is 0.8mm, an ultraviolet lamp 5 is respectively arranged outside each transparent window, a water outlet is arranged on the water tank and is connected with a micro drainage pump 3, the water outlet end of the micro drainage pump 3 is connected with a water outlet arranged on the base 1, as shown in figure 2, a centrifugal motor 11 is arranged on the bottom surface of an upper cover 12, and a main rotary bracket 10 is fixedly connected with an output shaft of the centrifugal motor 11; two silica gel net-shaped structure mirror boxes 9 are respectively arranged below two ends of the rotary main bracket, the structure of the silica gel net-shaped structure mirror box 9 is shown in figure 3,
the pcb circuit board 8 is provided with a control circuit for controlling the operation of the centrifugal motor, the ultraviolet lamp and the micro drainage pump. The utility model discloses based on rotatory centrifugation method, because the quality of lens is very little, so only need provide 1 ~ 3 watts direct current electric power just enough, the rotational frequency uses 2 corotation reversals/second to be the best through many times of trial and error, and the cleaning time is observed through many times of trial and error to 3 minutes/time is best, observes no eye liquid protein, lipid residue at high power microscope. Fig. 5 is a specific control circuit structure, in which: FU is a fuse, BTA is a 3-ampere bidirectional thyristor, T1 is a five-watt 5V switching power supply, D1-3 is an LED indicator light, B is a 12-watt ultraviolet lamp rectifier, MOC4041 is a thyristor trigger optocoupler, Q1-2 is an AO3401 field effect transistor, Q3-6 is an AO3400 field effect transistor, M1 is a centrifugal motor, M2 is a miniature drainage pump motor, R1, 9 and 10 are 1K resistors, R2-7 are 10K resistors, R8 is a 10 ohm resistor, R11-16 are 100K resistors, R17 is a 2.2K resistor, and R18 and 19 are 120K resistors. The circuit working process is as follows: AN AN1 button is arranged, the singlechip pic12f683 starts to work, a working signal of 2 revolutions per second is sent by a 7-pin, and the work signal is triggered to work through D6, R4, R6 and Q5 to drive AN H consisting of Q1, 2, 3 and 4, so that the motor M1 works, lenses can be repeatedly cleaned in purified water for 3 minutes in a silica gel net-shaped structure lens box, the 3 rd pin and the 2 nd pin of the singlechip respectively give output signals after 3 minutes, the M2 is driven to drain the water in the water tank, and ultraviolet rays are turned on at the same time to spin, dehydrate and disinfect the lenses. And when the set time is up, the lens drying and sterilizing system is closed.
The whole operation process of the nursing instrument is as follows: placing the lens to be washed in a silica gel net structure lens box 9 respectively, putting 100ml of purified water in a water tank 6, covering AN upper cover 12, plugging a power supply, starting a power switch k, indicating by AN LED on a middle frame, pressing AN to start a button key, and controlling the lens to perform forward and reverse rotation operation for 2 times/second in the water tank by a centrifugal motor; after 3 minutes, the instrument automatically discharges 100ml of purified water in the water tank out of the instrument; meanwhile, the two ultraviolet lamp tubes can be automatically lightened, the centrifugal motor still runs continuously at the moment, all parts of the lens can be irradiated by ultraviolet rays in the running process, and meanwhile, residual water drops on the lens can be thoroughly dried under the action of centrifugal force. After 3 minutes, the ultraviolet lamp is automatically turned off, the centrifugal motor also stops rotating, and at the moment, the corneal contact lens is cleaned and disinfected.
2. Cleaning and disinfecting effect verification of nursing instrument
Choose a contact lens cleaning instrument of cornea on the market at present and the utility model discloses a nursing appearance carries out the cleaning and disinfecting experiment, adopts biological indicator resistance test to verify.
The microorganisms used were:
bacteria: staphylococcus aureus ATCC25923, pseudomonas aeruginosa ATCC27853, streptococcus pneumoniae ATCC49619, staphylococcus epidermidis;
fungi: candida albicans ATCC14053, fusarium;
wherein, staphylococcus aureus, pseudomonas aeruginosa, streptococcus pneumoniae and candida albicans are all standard strains stored in the first hospital affiliated to the Zhejiang university medical college, and staphylococcus epidermidis and fusarium are all clinical strains detected in the laboratory of the first hospital affiliated to the Zhejiang university medical college and are all derived from corneal scraping secretion.
Taking staphylococcus aureus as an example, the test flow is as follows:
the sterilized contact lens was divided into 6 groups of six lenses per group, and fresh cultures of staphylococcus aureus (18-24 hours) were turbidity adjusted to 0.5Mcf, equivalent to 10 Mcf, using sterile saline8cfu/ml bacterial suspension. 10ul of the bacterial suspension was dropped onto the sterilized lenses and sterilizedSucking off the redundant bacteria liquid by a tube, standing and drying for later use.
(1) Negative control group: do not perform any treatment
(2) Positive control group: the bacterial suspension is dripped without cleaning
(3) Standard wash group: after washing hands with mild neutral soap, place in the palm and drop 4 drops of the Bo Shi Xin Jie solution on the lens, carefully rub the two sides of the lens for 20 seconds, and wash the lens with the Bo Shi Xin Jie for 5 seconds.
(4) Control cleaning instrument (i.e. commercial corneal contact lens cleaning instrument) care solution cleaning group: and (3) arranging the lenses, putting the Bo-Shi-dun fresh care solution and the power supply, starting, cleaning the lenses according to the standard flow of the cleaning instrument, and taking out the lenses.
(5) Comparison cleaning instrument (i.e. commercial corneal contact lens cleaning instrument) purified water cleaning group: and (3) arranging the lenses, putting purified water and a power supply into the lenses, starting the lenses, cleaning the lenses according to the standard flow of the cleaning instrument, and taking out the lenses.
(6) The utility model discloses nursing appearance washs group:
the lens is placed in a nursing instrument, 100ml of purified water is added, the power supply is switched on after the cover is closed, and the cleaning switch is pressed. After 3 minutes of cleaning, water is discharged from a water discharge pipe below the instrument, the machine automatically starts an ultraviolet lamp with the internal power of 12W to irradiate for 3 minutes, the whole working time is 6 minutes, and the lens is taken out after the operation is finished.
After the grouped cleaning is finished, the corneal contact lens is placed in 2ml of common nutrient broth (Hangzhou Tianhe), cultured in a constant temperature incubator at 35 +/-1 ℃ for 18-24 hours, and the turbid condition of the broth is observed. At the same time, 10ul of the broth was inoculated onto a Columbia blood agar plate (French organism Meilie) to observe whether the growing colonies were the inoculum. The tests of staphylococcus aureus, staphylococcus epidermidis, pseudomonas aeruginosa, streptococcus pneumoniae and candida albicans are respectively carried out according to the procedures. The following procedure was used for fusarium: contacting the sterilized lenses with a fresh fusarium culture for a certain time, considering that the lenses are successfully polluted, respectively treating each group of lenses according to the grouping condition, directly coating the lenses on a sabal culture medium (Zhengzhou Bosai) after cleaning, and culturing in an incubator at 35 ℃ for 18-24 hours to observe results.
The 6 control microorganisms were each tested 6 times in duplicate, two lenses each, for a total of 72 washes. The cleaning effect of several cleaning methods was measured by several criteria such as appearance observation (residual cleaning solution), broth culture (broth turbidity) and plate culture (whether it is an inoculum) and the calculated yield was shown in table 1.
TABLE 1 comparison of the cleaning effects of different cleaning groups of contact lenses
Note: the residual number of the cleaning solution in 72 times of cleaning through appearance observation is 72 cases;
△ 72 bouillon cultures 2 of the washes turbid broth;
▲ 72 washes out 2 cases of plate culture, bacteria were grown, and the growing bacteria were the inoculum.
Claims (8)
1. A cornea contact lens cleaning and disinfecting nursing instrument based on a physical method is characterized by comprising a shell, a water tank, an ultraviolet lamp, a miniature drainage pump, a centrifugal cleaning part and a control circuit;
the shell comprises a groove-shaped base, a middle frame and an upper cover, the water tank, the ultraviolet lamp and the micro drainage pump are all arranged in the groove-shaped base, the middle frame is fixed on the base, the hollowed-out part of the middle frame is opposite to the water tank, the upper cover can be arranged above the middle frame in an openable mode, and a closed space is formed among the upper cover, the middle frame and the groove-shaped base after the upper cover is closed;
the water tank is used for containing water, a transparent window is arranged on the side wall of the water tank, the ultraviolet lamp is arranged outside the transparent window, a water outlet is formed in the water tank and is connected with the micro drainage pump, and the water outlet end of the micro drainage pump is connected with a water outlet formed in the groove-shaped base;
the centrifugal cleaning component comprises a centrifugal motor, a rotating main support and two silica gel net-shaped structure mirror boxes fixed below the rotating main support, the centrifugal motor is arranged on the bottom surface of the upper cover, and the rotating main support is fixedly connected with an output shaft of the centrifugal motor;
the control circuit controls the centrifugal motor, the ultraviolet lamp and the micro drainage pump to work.
2. The corneal contact lens cleaning and disinfecting nursing instrument based on the physical method as claimed in claim 1, wherein the silica gel mesh structure mirror box is a hollow mirror box made of silica gel and having a mesh structure, and is used for placing the corneal contact lens.
3. The physical method-based corneal contact lens cleaning and disinfecting nursing apparatus as claimed in claim 1, wherein the two silica gel mesh-structured lens cases are respectively disposed at two ends of the main rotating bracket.
4. The physical method based corneal contact lens cleaning and disinfecting device as claimed in claim 1, wherein the transparent window is made of quartz glass.
5. The physical method based corneal contact lens cleaning and disinfecting nursing instrument as claimed in claim 4, wherein quartz glass transparent windows are arranged on two side walls of the water tank, and an ultraviolet lamp is arranged outside each transparent window.
6. The corneal contact lens cleaning and disinfecting device based on the physical method as claimed in claim 1, wherein the disinfecting device is provided with an LED indicator light for displaying the working state.
7. The physical method based corneal contact lens cleaning and disinfecting device as claimed in claim 1, wherein the disinfecting device is provided with a control button.
8. The physical method based corneal contact lens cleaning and disinfecting nursing instrument as claimed in claim 1, wherein the control circuit is implemented based on a single chip microcomputer.
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| CN201920760695.1U CN210605248U (en) | 2019-05-24 | 2019-05-24 | Corneal contact lens cleaning and disinfecting nursing instrument based on physical method |
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| CN201920760695.1U CN210605248U (en) | 2019-05-24 | 2019-05-24 | Corneal contact lens cleaning and disinfecting nursing instrument based on physical method |
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| CN210605248U true CN210605248U (en) | 2020-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095887A (en) * | 2019-05-24 | 2019-08-06 | 杭州视亨光电有限公司 | Contact lens cleaning and sterilizing care instrument based on physical method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095887A (en) * | 2019-05-24 | 2019-08-06 | 杭州视亨光电有限公司 | Contact lens cleaning and sterilizing care instrument based on physical method |
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Granted publication date: 20200522 |