CN111265362A

CN111265362A - Eye patch for treating xerophthalmia

Info

Publication number: CN111265362A
Application number: CN201811483045.3A
Authority: CN
Inventors: 马科; 徐小龙
Original assignee: 马科
Priority date: 2018-12-05
Filing date: 2018-12-05
Publication date: 2020-06-12

Abstract

The invention discloses an eye patch for treating xerophthalmia, which comprises: a flame retardant first cover made of a flexible material; the second cover body is made of flexible materials and is flame-retardant, and the second cover body is arranged opposite to the first cover body; a nanowire shaping layer mounted between the first and second cages; a nanowire disposed on the nanowire shaping layer, the nanowire being protected by the nanowire shaping layer; a plurality of permanent magnetic sheets disposed on at least one of the first cover body or the second cover body; and a power supply device for supplying power to the nanowire 1 as a nanowire heat source. The invention promotes the melting of the lipid in the meibomian gland by heating, and removes the obstruction to the meibomian gland orifice, thereby achieving the effect of opening the meibomian gland orifice.

Description

Eye patch for treating xerophthalmia

Technical Field

The invention relates to an eye disease treatment device, in particular to an eye mask for treating dry eye disease.

Background

Dry eye is one of the most common eye diseases, the main symptoms of the dry eye comprise dry eye, itching eye, photophobia, foreign body sensation, burning sensation, swelling pain of eyes and the like, patients are not durable, and serious patients can have general symptoms of insomnia, headache and the like to influence learning and working. According to the data of epidemiological investigation, the prevalence rate of dry eye in China is about 5-34%, and by conservative estimation, about 3.2 hundred million people in China suffer from dry eye. Meibomian Gland Dysfunction (MGD) is the most common cause of dry eye,more than about 70% of dry eye patients are caused by MGD. It is generally considered that the meibomian gland is dysfunctional and the lipid components secreted from the meibomian gland are changed, which causes the lacrimal fluid to be in a hypertonic state, resulting in damage to the ocular surface tissues^[4]. In addition, abnormal meibomian gland secretion causes changes in tear components, and thus evaporation of water in tears cannot be effectively shielded, resulting in dry eye in which tears evaporate too quickly.

The treatment of dry eye is mainly to supplement tears, and artificial tears are the first to be used clinically. Since the improvement of artificial tears, sodium hyaluronate eye drops, polyethylene glycol eye drops and the like are commonly used in clinic at present, the moisture of tears can be well kept, excessive evaporation is avoided, and in addition, the mucin protective agent is used for treating dry eyes. Although these treatments improve the ocular surface environment from different aspects, alleviating the symptoms of the patient, they still do not fundamentally solve the problem.

The method of traditional Chinese medicine steam fumigation and the like has a certain effect on clinical treatment of dry eye, and also becomes a method for clinical treatment of dry eye. However, traditional Chinese medicine fumigation requires instruments, some instruments are large and need to be used in hospitals, and the traditional Chinese medicine fumigation is very inconvenient in treatment. At present, a portable traditional Chinese medicine dry eye fumigation therapeutic instrument appears, but the operation method is complex and the use is inconvenient, and in addition, the operation is complex for old people, so the instrument is not completely suitable.

Disclosure of Invention

The invention aims to provide an eye mask for treating xerophthalmia, which can heat and promote the melting of lipid in meibomian glands through the heating effect of the eye mask, and remove the obstruction of meibomian gland orifices so as to achieve the effect of opening the meibomian gland orifices.

The present invention provides an eye patch for treating dry eye disease comprising:

a flame retardant first cover made of a flexible material;

the second cover body is made of flexible materials and is flame-retardant, and the second cover body is arranged opposite to the first cover body;

a nanowire shaping layer mounted between the first and second cages;

a nanowire disposed on the nanowire shaping layer, the nanowire being protected by the nanowire shaping layer;

a plurality of permanent magnet pieces provided on at least one of the first cover body and the second cover body; and

and the power supply device is used for supplying power to the nano-wire 1 to be used as a heat source of the nano-wire.

Preferably, the power supply means is a battery.

Preferably, the eye patch for treating dry eye of the present invention further comprises a temperature control device connected in series in a power circuit of the battery and the nano-wire.

In one embodiment, the temperature device of the present invention comprises: a thermal sensor disposed between the first enclosure and the second enclosure; the comparator is connected with the thermal sensor and is used for outputting a low level when the signal which is output by the thermal sensor and is proportional to the temperature is larger than a threshold value; and outputting a high level when the temperature proportional signal output by the thermal sensor is less than a threshold value; a holding circuit connected to the output of the comparator for holding the high level output for a period of time when the output of the comparator changes from the high level to the low level; and

and the electronic switch is connected to the holding circuit, and the output of the electronic switch is connected with the nano wire through a battery.

In another embodiment, the temperature control device includes: a thermal sensor disposed between the first enclosure and the second enclosure; a first comparator connected to the thermal sensor for outputting a low level when the signal proportional to the temperature output by the thermal sensor is greater than a first threshold; and outputting a high level when the temperature-proportional signal output by the thermal sensor is less than a first threshold; a second comparator connected to the thermal sensor for outputting a low level when the signal proportional to the temperature output by the thermal sensor is greater than a second threshold; and outputting a high level when the temperature-proportional signal output by the thermal sensor is less than a second threshold; the gate circuit is respectively connected with the outputs of the first comparator and the second comparator and is used for controlling the output level of the first comparator and the second comparator according to the outputs of the first comparator and the second comparator; and the output of the electronic switch is connected with the nano wire through a battery.

Preferably, the second threshold is greater than the first threshold, so that the output of the first comparator and the second comparator form a window of levels proportional to temperature. The gate circuit is an or gate circuit and is used for outputting high level according to the level window.

Preferably, the nanowires are carbon nanowires drawn from a carbon material.

Preferably, the plurality of permanent magnetic pieces are embedded in the first cover body or the second eye cover, wherein the first cover body and the second cover body are made of flame retardant cloth.

Preferably, the nano wire shaping layer is made of a flame-retardant flexible material.

Compared with the prior art, the meibomian gland opening device has the beneficial effects that the melting of lipid in the meibomian gland can be promoted, the obstruction to the meibomian gland opening can be removed, and the effect of opening the meibomian gland opening can be achieved.

Drawings

FIG. 1 is a schematic view of a first principle construction of the eye mask for treating dry eye of the present invention;

FIG. 2 is a schematic view of a second principle of the eye mask for treating dry eye of the present invention;

FIG. 3 is a schematic view of a third principle of the eyeshade of the present invention for treating dry eye;

fig. 4 is a schematic view of the first mask body of the eyeshade for treating dry eye of the present invention;

FIG. 5 is a schematic view showing that magnetic sheets are embedded in the first cover body of the eyeshade for treating dry eye of the present invention;

FIG. 6 is a schematic illustration of the present invention with nanowires mounted on a nanowire shaping layer;

FIG. 7 is a schematic view of a first embodiment of the temperature device of the eye shield of the present invention for treating dry eye;

fig. 8 is a schematic view of a first embodiment of the temperature control device of the eye mask for treating dry eye of the present invention.

Detailed Description

Fig. 1 shows a structure of an eye mask for treating dry eye according to the present invention, which comprises, as shown in fig. 1: a flame-retardant first cover 3 made of a flexible material; a flame-retardant second cover 6 made of flexible material, wherein the second cover 3 is arranged opposite to the first cover 6; the nano wire shaping layer 2 is arranged between the first cover body 3 and the second cover body 6; a nanowire 1 disposed on the nanowire shaping layer 2, the nanowire 1 being protected by the nanowire shaping layer 2; a plurality of permanent magnet pieces 4 provided on at least one of the first cover body 3 or the second cover body 6; and a power supply device 5 for supplying power to the nanowire 1 as a heat source of the nanowire 1.

The first cover 3 and the second cover 6 of the present invention constitute the appearance of the eyecup, and all the parts of the eyecup are integrated by sewing the first cover 3 and the second cover 6. Of course, an outer layer for protecting the first cover 3 and the second cover 6 may be sewn outside the first cover 3 and the second cover 6.

The power supply device 5 of the present invention is a battery, and the battery may be mounted on the first cover 3 or the second cover 6; or may be mounted on the outside of the first cover 3 or the second cover 6, as shown in fig. 1.

Fig. 2 shows another structure of the eyeshade for treating dry eye of the present invention, which is different from the structure shown in fig. 1 in that a plurality of magnetic sheets 4 are also mounted on the second cover body such that a plurality of magnetic sheets are mounted on both the first cover body 3 and the second cover body 6.

Fig. 3 shows a further structure of an eye mask for treating dry eye according to the present invention, which is different from the structure shown in fig. 1 in that a temperature control device 7 is connected in series between a power source 5 and a nano wire, and the temperature control device 7 is controlled by temperature to achieve a constant temperature.

Fig. 4 shows the structure of the first cover 3 of the invention, the second cover 6 being identical to the first cover; both are made of flame-retardant flexible material, for example, a flame-retardant cloth. On one hand, the eye can be protected when the device is worn on the eye, and on the other hand, the nano-wire can be prevented from burning when being powered on.

Fig. 5 shows a mounting manner of the magnet sheet 4 of the present invention, and the magnet sheet 4 may be embedded in the first cover body 3 and/or the second cover body 6. Specifically, the first cover body 3 and the second cover body 6 may be made of a plurality of layers of flame-retardant cloths, and the magnetic sheet may be installed between any two layers of flame-retardant cloths.

Fig. 6 shows the installation relationship of the nanowire shaping layer 2 and the nanowire 1 of the present invention. The nanowire shaping layer is made of shaping materials, so that the nanowires 1 are attached to the shaping materials, and the shaping materials have certain deformation resistance, have the function of protecting the nanowires and ensure that the nanowires are not broken. For uniform heating, the nanowires 1 should be uniformly partially on the nanowire shaping layer 2 as illustrated in fig. 6.

The nanowire shaping layer 2 is made of a flame-retardant flexible material, such as ceramic or flame-retardant cloth. The nano-wire 1 of the present invention is prepared from a carbon nano-material. Firstly, carbon nano raw materials are manufactured, and then carbon nano filaments are drawn out. The material has the characteristics of high conductive efficiency and low heating energy consumption.

The temperature control device 7 is a device that achieves temperature adjustment by negative feedback. A constant heating system is formed by a loop negative feedback technology and a temperature control adjusting method. The solidified lipid in the meibomian gland is melted and discharged through the gland duct, so that the smooth of the meibomian gland duct is ensured.

Fig. 7 shows a circuit diagram of a first embodiment of the temperature control device of the present invention, which, as shown in fig. 7, includes: a thermal sensor 71 disposed between the first enclosure 3 and the second enclosure 6; a comparator 70 connected to the heat sensor 71 for outputting a low level when a signal (level) proportional to the temperature output from the heat sensor 71 is greater than a threshold value; and outputs a high level when the signal (level) proportional to the temperature output from the thermal sensor 71 is less than a threshold value; a holding circuit 76 connected to the output of the comparator 70 for holding the high level output for a period of time when the output of the comparator 70 changes from the high level to the low level; and an electronic switch 75 connected to the holding circuit 76, an output of the electronic switch 75 being connected to the nanowire 1 via a battery 5.

In the first embodiment of the temperature control device, the holding circuit is composed of a resistor R1 and a capacitor C1, when the output end of the comparator 50 is at a high level (or high potential), the capacitor C1 is charged, so that the end of the capacitor C1 connected with the electronic switch also has a high potential; once the output level of the comparator 50 changes from high level to low level, the C1 uses its high level to make the electronic switch 55 continue to conduct for a while, so as to avoid frequent on/off of the electronic switch 55.

Fig. 8 shows a circuit diagram of a second embodiment of the temperature control device of the present invention, and as shown in fig. 8, the temperature control device 7 of this embodiment includes: a thermal sensor 71 disposed between the first enclosure 3 and the second enclosure 6; a first comparator 72 connected to the thermal sensor 71 for outputting a low level when the signal proportional to the temperature output from the thermal sensor 71 is greater than a first threshold; and outputs a high level when the temperature proportional signal output from the thermal sensor 71 is less than a first threshold; a second comparator 73 connected to the thermal sensor 71 for outputting a low level when the signal proportional to the temperature output from the thermal sensor 71 is greater than a second threshold; and outputs a high level when the temperature proportional signal output from the thermal sensor 71 is less than a second threshold; a gate circuit 74 connected to the outputs of the first comparator 72 and the second comparator 73, respectively, for controlling the output level thereof according to the outputs of the first comparator 72 and the second comparator 73; and an electronic switch 75 connected to the output of the gate circuit 74, wherein the output of the electronic switch 75 is connected to the nanowire 1 via a battery 5.

In a second embodiment of the temperature control device, the second threshold is larger than the first threshold, so that the output of the first comparator 52 and the second comparator 53 form a level window proportional to the temperature.

Further, the gate circuit is an or gate circuit for outputting a high level according to the level window, i.e., the or gate circuit outputs a high level whenever the level of the output terminal of either one of the first comparator and the second comparator is a high level.

The magnet of each magnetic sheet of the invention is a cylindrical body with the size of 5mm in diameter and 2mm in height. Six magnetic sheets are placed in each cover body. By the magnetic sheet, the fatigue of local part can be relieved, the symptoms such as dry and astringent, itching feeling, foreign body feeling and the like can be relieved, and the fatigue caused by dry eye can be relieved.

The carbon nano wire 1 is used for heating, so that the melting of lipid in the meibomian gland is promoted, the obstruction to the meibomian gland orifice is removed, and the effect of opening the meibomian gland orifice is achieved. The heating also promotes local blood circulation and increases nutrient supply. Promoting normal lipid secretion.

Although the present invention has been described in detail hereinabove, the present invention is not limited thereto, and various modifications can be made by those skilled in the art in light of the principle of the present invention. Thus, modifications made in accordance with the principles of the present invention should be understood to fall within the scope of the present invention.

Claims

1. An eye mask for treating dry eye comprising:

a flame retardant first cover made of a flexible material;

a nanowire shaping layer mounted between the first and second cages;

and the power supply device is used for supplying power to the nano wire to be used as a heat source of the nano wire.

2. The eye shield of claim 1, wherein said power supply means is a battery.

3. The eye shield of claim 1 or 2, further comprising a temperature control device connected in series in the power circuit of the battery and the nanowires.

4. The eye shield of claim 3, wherein said temperature means comprises:

a thermal sensor disposed between the first enclosure and the second enclosure;

the comparator is connected with the thermal sensor and is used for outputting a low level when the signal which is output by the thermal sensor and is proportional to the temperature is larger than a threshold value; and outputting a high level when the temperature proportional signal output by the thermal sensor is less than a threshold value;

a holding circuit connected to the output of the comparator for holding the high level output for a period of time when the output of the comparator changes from the high level to the low level; and

5. The eye shield of claim 3, wherein said temperature control means comprises:

a thermal sensor disposed between the first enclosure and the second enclosure;

a first comparator connected to the thermal sensor for outputting a low level when the signal proportional to the temperature output by the thermal sensor is greater than a first threshold; and outputting a high level when the temperature-proportional signal output by the thermal sensor is less than a first threshold;

a second comparator connected to the thermal sensor for outputting a low level when the signal proportional to the temperature output by the thermal sensor is greater than a second threshold; and outputting a high level when the temperature-proportional signal output by the thermal sensor is less than a second threshold;

the gate circuit is respectively connected with the outputs of the first comparator and the second comparator and is used for controlling the output level of the first comparator and the second comparator according to the outputs of the first comparator and the second comparator;

and the output of the electronic switch is connected with the nano wire through a battery.

6. The eye shield of claim 5, wherein said second threshold is greater than said first threshold, such that the output of the first comparator and the second comparator form a window of levels proportional to temperature.

7. The eye shield of claim 6, wherein said gate circuit is an OR gate circuit for outputting a high level according to said level window.

8. The eye shield of claim 1, wherein said nanowires are carbon nanowires extracted from a carbon material.

9. The eye shield of claim 1, wherein said plurality of permanent magnetic pieces are embedded in said first cover or said second eye shield, wherein said first cover and said second cover are made of flame retardant cloth.

10. The eye shield of claim 1, wherein the nanowire shaping layer is made of a flame retardant flexible material.