CN220442803U

CN220442803U - Treatment device for meibomian gland dysfunction

Info

Publication number: CN220442803U
Application number: CN202321625261.3U
Authority: CN
Inventors: 于京明; 刘健波
Original assignee: Zhejiang Guochuang Medical Equipment Co ltd
Current assignee: Zhejiang Guochuang Medical Equipment Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2024-02-06
Anticipated expiration: 2033-06-26

Abstract

The utility model discloses a treatment device for meibomian gland dysfunction, wherein a heating unit is a semiconductor heating element, the treatment device comprises an outer eyeshade and an inner eyeshade, wherein the outer eyeshade is detachably arranged at the outer side of the inner eyeshade, the inner eyeshade is provided with an inner face, an outer face, a semiconductor heating element, a temperature sensor and a PCB (printed circuit board), the semiconductor heating element is arranged between the inner face and the outer face, a heating face of the semiconductor heating element corresponds to the outer face, a refrigerating face of the semiconductor heating element corresponds to the inner face, and the PCB is electrically connected with the semiconductor heating element and the temperature sensor; therefore, the semiconductor Peltier component adopted by the heating part is a non-integral constant temperature component, the temperature of one surface can be increased, the temperature of the other surface can be reduced, the heating surface can face the inner surface of the eyelid, the cold surface faces the eyeball and the cornea, the accurate heating of the eyelid is realized, the risk of scalding the eyeball and the cornea is eliminated, and the safety and the comfort of treatment of patients are improved.

Description

Treatment device for meibomian gland dysfunction

Technical Field

The utility model relates to the technical field of meibomian gland dysfunction treatment equipment, in particular to a treatment device for meibomian gland dysfunction.

Background

The utility model provides a be applied to the hot compress device of MGD (abbreviation of meibomian gland dysfunction) treatment, can carry out the equipment of hot compress from the eyelid internal surface at present (from the eyelid internal surface heating closer to the meibomian gland, the therapeutic effect is more direct, but the heat source has the risk of thermal damage to cornea and eyeball, need make insulation and protection, the technical requirement to the product is higher), the main product on the market namely LipiFLow, lipiFLow collection hot compress of prednisone company and pneumatic massage are on disposable treatment head consumptive material, the massage law of the temperature and the pneumatic pressure of hot compress is controlled through host computer equipment. The main relevant part of the treatment head of lipflow is the eye shield part, which generates heat by means of resistance heating (corresponding to chinese patent CN 102697593B), and because resistance heating is an integral constant temperature component, the heat near the inner surface of the eyelid is effective heat, the heat near the eyeball part is a risk, and needs to be controlled to prevent heat from being transferred to the cornea or the eyeball to cause damage to the eyes, and foreign patents (US 10940074B2 and US20210205131 A1) apply for the heat insulation design.

Lipflow reduces the risk of heat transfer to the cornea and eye by designing an insulating structure on the eye shield facing the eye surface, but the eye may still transfer a portion of the heat, and thus a portion of the heat may still be transferred to the cornea or eye causing damage to the eye.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

To this end, an object of the present utility model is to propose a heating unit for meibomian gland dysfunction treatment, the heating unit being a semiconductor heating element. As a specific embodiment, the semiconductor heating unit may adopt a semiconductor peltier element, where the temperature of one surface may be increased and the temperature of the other surface may be reduced, and the heating surface may face the inner surface of the eyelid, and the cold surface may face the eyeball and the cornea surface, so that the precise heating of the eyelid is achieved, and at the same time, the risk of scalding the eyeball and the cornea is eliminated, and the safety and the comfort of the patient treatment are improved.

Another object of the present utility model is to provide a therapeutic apparatus for meibomian gland dysfunction including at least the above heating unit, comprising an outer eyecup and an inner eyecup, wherein the outer eyecup is detachably disposed at an outer side of the inner eyecup, the inner eyecup is provided with an inner face, an outer face, a semiconductor heating element and a PCB board, wherein the inner face is disposed at an inner side face of the inner eyecup, the outer face is disposed at an outer side face of the inner eyecup, the semiconductor heating element is disposed between the inner face and the outer face, a heating face of the semiconductor heating element corresponds to the outer face, a cooling face of the semiconductor heating element corresponds to the inner face, and the PCB board is electrically connected to the semiconductor heating element.

According to the therapeutic device for meibomian gland dysfunction, the semiconductor Peltier component adopted by the heating part is a non-integral constant temperature component, the temperature of a hot surface and a cold surface of the semiconductor Peltier component is different when current passes, the temperature of one surface is increased, the temperature of the other surface is reduced, by utilizing the characteristic, the heating surface faces the inner surface of an eyelid, and the cold surface faces the eyeball and the cornea surface, the precise heating of the eyelid is realized, the risk of scalding the eyeball and the cornea is eliminated, and the therapeutic comfort level of a patient is improved.

In addition, the treatment device for meibomian gland dysfunction proposed according to the application above may also have the following additional technical features:

specifically, a plurality of installation holes are formed in the inner face, the installation holes are matched with the semiconductor heating element, a plurality of lead grooves are formed between the installation holes, and the semiconductor heating element is electrically connected with the PCB through the lead grooves.

Specifically, be provided with temperature sensor in the installation hole, temperature sensor is connected with the PCB board electricity, the PCB board is connected with the controller of host computer, and the controller is received from temperature sensor passes through the temperature signal of PCB board transmission, temperature sensor sets up on the outside.

Specifically, the outer eye-shade is provided with handheld portion, the sliding tray has been seted up to handheld portion inside, the outside is provided with the handle, the handle runs through the sliding tray, the PCB board sets up in the handle.

Specifically, a limit column is arranged between the outer face and the inner face, the limit columns are distributed at the edge part of the outer face or the inner face at equal intervals, a positioning pin is arranged between the outer face and the inner face, the outer face and the inner face are connected through positioning pin positioning assembly, an adhesive gap is arranged at the edge contact part of the outer face and the inner face, sealing glue is filled in the adhesive gap, and the highest surface of the sealing glue is lower than the surfaces of the outer face and the inner face.

Specifically, be provided with the elasticity jump ring on the handle, be provided with the elastic component between elasticity jump ring and the shell, the inside guide way that is provided with the elastic component looks adaptation of sliding tray, the outside of handheld portion is provided with the finger and breaks off with the fingers.

Specifically, the inner face and the outer face are made of high heat conduction materials, and the installation cavity is filled with heat conduction materials.

In particular, the semiconductor heating element is a semiconductor peltier component.

Specifically, the outer face, the inner face and the inner side wall of the outer eye shield are all adhered with biocompatible materials.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic overall structure of a meibomian gland dysfunction treatment device according to an embodiment of the present utility model;

fig. 2 is a schematic view showing the structure of an inner eyeshade in a meibomian gland dysfunction treatment device according to an embodiment of the present utility model;

fig. 3 is a schematic view showing an exploded structure of an inner eyeshade in a meibomian gland dysfunction treatment device according to an embodiment of the present utility model;

fig. 4 is a schematic overall structure of a meibomian gland dysfunction treatment device according to another embodiment of the present utility model;

fig. 5 is an exploded view of a meibomian gland dysfunction treatment device according to another embodiment of the present utility model;

fig. 6 is a left side view of a meibomian gland dysfunction treatment device according to another embodiment of the present utility model;

FIG. 7 is a schematic view showing a structure of an outer eye mask and an inner eye mask in a clamped state according to another embodiment of the present utility model;

fig. 8 is a schematic view showing the structure of the outer eyeshade and the inner eyeshade in a relaxed state according to another embodiment of the present utility model.

As shown in the figure: 1. an inner eyeshade; 11. a handle; 12. an inner face; 121. a mounting cavity; 13. sealing glue; 14. a semiconductor heating element; 141. a temperature sensor; 15. a pressure spring; 16. an outer face; 17. a PCB board; 2. an outer eye shield; 21. a hand-held part; 22. finger breaking off; 23. an elastic clamp spring; 24. a guide groove; 25. an elastic member.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. On the contrary, the embodiments of the utility model include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.

A meibomian gland dysfunction treatment device according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

The heating unit for the meibomian gland dysfunction treatment is a semiconductor heating element, the semiconductor heating element can be a semiconductor Peltier component, one surface of the semiconductor heating element can be raised in temperature, the other surface of the semiconductor heating element can be lowered in temperature, the heating surface can face the inner surface of an eyelid, the cold surface faces the eyeball and the cornea, accurate heating of the eyelid is realized, meanwhile, the risk of scalding the eyeball and the cornea is eliminated, and the treatment comfort level of a patient is improved.

As shown in fig. 1 to 3, a therapeutic apparatus for meibomian gland dysfunction according to an embodiment of the present utility model comprises an outer eyecup 2, the above-mentioned semiconductor heating element, and an inner eyecup 1, wherein the outer eyecup 2 is detachably provided outside the inner eyecup 1.

The inner eyeshade 1 is provided with an inner face 12, an outer face 16, a semiconductor heating element 14 and a PCB 17, wherein the inner face 12 is adhered to the inner side face of the inner eyeshade 1 through a sealant 13, the outer face 16 is arranged on the outer side face of the inner eyeshade 1, the semiconductor heating element 14 is arranged between the inner face 12 and the outer face 16, a heating face of the semiconductor heating element 14 corresponds to the outer face 16, a refrigerating face of the semiconductor heating element 14 corresponds to the inner face 12, and the PCB 17 is electrically connected with the semiconductor heating element 14.

Specifically, when the inner wall of the eyelid of the patient needs to be heated, the medical staff firstly puts the inner eyeshade 1 into the inner side of the eyelid of the patient, makes the inner face 12 cling to the eyeball, makes the outer face 16 cling to the inner wall of the eyelid, then presses the inner side wall of the outer eyeshade 2 on the outer side of the eyelid, then electrifies the PCB board 17, and supplies power to the semiconductor heating element 14 by the PCB board 17, and as the semiconductor heating element 14 is arranged between the inner face 12 and the outer face 16, the heating surface of the semiconductor heating element 14 corresponds to the outer face 16, the heating surface faces the inner surface of the eyelid, the refrigerating surface faces the eyeball and the cornea, the risk of scalding the eyeball and the cornea is eliminated, the output power of the semiconductor heating element 14 through the PCB board 17 realizes the accurate heating of the eyelid, and the treatment comfort of the patient is improved.

As shown in fig. 4 to 8, a therapeutic apparatus for meibomian gland dysfunction according to another embodiment of the present utility model includes an outer eyecup 2 and an inner eyecup 1, wherein the outer eyecup 2 is detachably provided outside the inner eyecup 1.

The inner eyeshade 1 is provided with an inner face 12, an outer face 16, a semiconductor heating element 14 and a PCB 17, wherein the inner face 12 is arranged on the inner side face of the inner eyeshade 1, the outer face 16 is arranged on the outer side face of the inner eyeshade 1, the semiconductor heating element 14 is arranged between the inner face 12 and the outer face 16, the heating face of the semiconductor heating element 14 corresponds to the outer face 16, the cooling face of the semiconductor heating element 14 corresponds to the inner face 12, and the PCB 17 is electrically connected with the semiconductor heating element 14.

In another embodiment of the present utility model, as shown in fig. 5-6, the semiconductor heating element 14 is electrically connected to the PCB board 17 by wires running through the wire slots.

Further, a temperature sensor 141 is disposed in the mounting cavity 121, the temperature sensor 141 is electrically connected with the PCB 17, the PCB 17 is connected with a controller of the host computer, the controller receives a temperature signal transmitted from the temperature sensor 141 through the PCB 17, and the temperature sensor 141 is disposed on the outer surface 16.

Specifically, when the semiconductor heating element 14 heats the inner wall of the eyelid, the temperature sensor 141 sends the detected temperature value of the inner wall of the eyelid to the controller, the controller adjusts the output power of the semiconductor heating element 14, the surface close to the eyelid generates heat, the temperature rises to 38-48 ℃, the surface heat close to the eyeball is reduced, the temperature is controlled to 15-36 ℃, and the surface temperature close to the eyeball is always controlled to 15-36 ℃ because of certain relevance of the temperature of the cold surface and the hot surface, so that the comfort of the patient during treatment is improved while the treatment effect is ensured, and the damage to the cornea of the eyeball is avoided.

In another embodiment of the present utility model, as shown in fig. 4-8, the outer eyeshade 2 is provided with a hand-held portion 21, a sliding groove is formed in the hand-held portion 21, a handle 11 is disposed on the outer face 16, the handle 11 penetrates through the sliding groove, and the PCB 17 is disposed in the handle 11.

Further, an elastic clamp spring 23 is arranged on the handle 11, an elastic piece 25 is arranged between the elastic clamp spring 23 and the shell, a guide groove 24 matched with the elastic piece 25 is arranged in the sliding groove, and a finger breaker 22 is arranged outside the hand-held part 21.

Specifically, as shown in fig. 8, before the inner eyeshade 1 is put inside the eyelid, the medical staff presses the finger to break 22 with one finger, presses the handle 11 with one finger, the handle 11 moves leftwards, meanwhile, the handle 11 presses the pressure spring 15 to pull the outer eyeshade 2 and the inner eyeshade 1 open, as shown in fig. 7, after the inner eyeshade 1 is put inside the eyelid, the outer eyeshade 2 is loosened, the outer eyeshade 2 is pressed by the elastic force of the pressure spring 15 to pull the handle 11 rightwards, the outer eyeshade 2 is clamped with the inner eyeshade 1, the inner wall of the eyelid is better attached to the inner eyeshade 1 to heat, after heating, the finger to press the finger to break 22 with one finger is repeated, the outer eyeshade 2 is opened with the inner eyeshade 1, and the inner eyeshade 1 is taken out from the inside of the eyelid.

In another embodiment of the present utility model, as shown in fig. 5, the inner surface 12 is provided with a plurality of mounting holes 121, the mounting holes 121 are adapted to the semiconductor heating element 14, a wire guiding groove is provided between the plurality of mounting holes 121, the inner surface 12 and the outer surface 16 are both made of high heat conducting materials, and the mounting holes 121 are filled with heat conducting materials, and as a specific embodiment, the heat conducting materials can be selected from heat conducting silicone grease.

Further, an adhesive gap is formed at the edge contact position of the outer face 16 and the inner face 12, the adhesive gap is internally filled with sealant 13, the highest surface of the sealant 13 is lower than the surfaces of the outer face 16 and the inner face 12, a limiting column (not labeled in the figure and below the sealant 13) is arranged between the outer face 16 and the inner face 12, the limiting columns are distributed at the edge part of the outer face 16 or the inner face 12 at equal intervals, a positioning pin is arranged between the outer face 16 and the inner face 12, and the outer face 16 and the inner face 12 are in positioning assembly connection through the positioning pin and the limiting column, so that dislocation is prevented.

Specifically, the whole therapeutic apparatus of the present application adopts a splicing process, the installation cavity 121 is used as a transition portion between the inner face 12 and the outer face 16 (it is to be noted that the installation cavity 121 may also be placed on the outer face 16 component), the installation cavity 121 is set according to heat distribution and the size of the semiconductor heating element 14, and when the semiconductor heating element 14 is installed, the installation cavity 121 between the surface and the inner face 16 component is filled with a heat-conducting silicone grease material, so that the heat of the heating surface of the semiconductor heating element 14 is timely transferred to the outer face 16, and the semiconductor heating element 14 maintains a lower temperature (15-36 ℃) for the eyeball and cornea.

The semiconductor heating elements 14 are connected in series or in parallel, and are fixedly connected with a power interface piece of the PCB 17 through wires, the outer face 16 of the inner face 12 is positioned and assembled through a positioning pin, and is fixedly connected through the sealant 13, a connecting gap of the outer face 16 of the inner face 12 is filled through the sealant 13 meeting biological safety, the joint of the outer face 16 and the inner face 12 is polished after filling, the smoothness of the joint is ensured, and the safety and reliability of the component which is 3 times longer than the normal use time can be met at the highest and lowest working temperature.

In another embodiment of the present utility model, the semiconductor heating element 14 is a semiconductor peltier element, which differs from conventional resistive heating elements in core: the semiconductor Peltier heating component is a non-integral constant temperature component, the heating surface and the radiating surface (or called hot surface and cold surface) of the semiconductor Peltier heating component are different in temperature when current passes through, the temperature of one surface is increased, the temperature of the other surface is reduced, the heating surface of the semiconductor Peltier can face the inner surface of an eyelid, the radiating surface faces the eyeball and the cornea, accurate heating of the eyelid is realized, the risk of scalding the eyeball and the cornea is eliminated, and the treatment comfort level of a patient is improved.

In another embodiment of the present utility model, biocompatible materials are attached to the outer face 16, inner face 12 and inner side walls of the outer eye mask 2 to reduce irritation to the eyelid and cornea and make the wearer more comfortable.

In another embodiment of the present utility model, the outer eyeshade 2 and the inner eyeshade 1 can clamp the upper eyelid or the lower eyelid, or the outer eyeshade 2 and the inner eyeshade 1 can be vertically arranged to clamp the upper eyelid and the lower eyelid simultaneously according to the requirement, so that the dimension of the application is wider, and the hot compress treatment is effective for the meibomian gland dysfunction of a patient.

In summary, according to the device for treating meibomian gland dysfunction, the semiconductor peltier component adopted by the heating part is a non-integral constant temperature component, the temperature of a hot surface and the temperature of a cold surface are different when current passes, the temperature of the hot surface can be increased, the temperature of the cold surface can be reduced, the heating surface can face the inner surface of an eyelid, the cold surface faces the eyeball and the cornea surface by utilizing the characteristic, the precise heating of the eyelid is realized, the risk of scalding the eyeball and the cornea is eliminated, and the treatment comfort level of a patient is improved.

In the description of this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A therapeutic device for meibomian gland dysfunction, characterized in that: the device comprises an outer eyeshade (2), a heating unit and an inner eyeshade (1), wherein the outer eyeshade (2) is detachably arranged on the outer side of the inner eyeshade (1);

the heating unit is a semiconductor heating element (14);

the inner eyeshade (1) is provided with an inner face (12), an outer face (16) and a PCB (17), wherein the inner face (12) is arranged on the inner side face of the inner eyeshade (1), the outer face (16) is arranged on the outer side face of the inner eyeshade (1), the semiconductor heating element (14) is arranged between the inner face (12) and the outer face (16), the heating face of the semiconductor heating element (14) corresponds to the outer face (16), the cooling face of the semiconductor heating element (14) corresponds to the inner face (12), and the PCB (17) is electrically connected with the semiconductor heating element (14);

the outer face (16), the inner face (12) and the inner side wall of the outer eye cover (2) are all adhered with biocompatible materials.

2. The meibomian gland dysfunction treatment device according to claim 1, wherein the inner surface (12) is provided with a plurality of mounting cavities (121), the mounting cavities (121) are adapted to the semiconductor heating element (14), a wire guiding groove is arranged between the plurality of mounting cavities (121), and the semiconductor heating element (14) is electrically connected with the PCB board (17) through the wire guiding groove.

3. The meibomian gland dysfunction's treatment device according to claim 2, characterized in that a temperature sensor (141) is arranged in the mounting cavity (121), the temperature sensor (141) is electrically connected with the PCB board (17), the PCB board (17) is connected with a controller of an upper computer, the controller receives a temperature signal transmitted from the temperature sensor (141) through the PCB board (17), and the temperature sensor (141) is arranged on the outside (16).

4. The meibomian gland dysfunction's treatment device according to claim 1, characterized in that the outer eye shield (2) is provided with a hand-held part (21), a sliding groove is provided inside the hand-held part (21), the outer face (16) is provided with a handle (11), the handle (11) penetrates the sliding groove, and the PCB board (17) is arranged in the handle (11).

5. The meibomian gland dysfunction's treatment device according to claim 4, characterized in that spacing posts are provided between the outer face (16) and the inner face (12), the spacing posts are equally spaced on the edge portion of the outer face (16) or the inner face (12), locating pins are provided between the outer face (16) and the inner face (12), the outer face (16) and the inner face (12) are connected by locating pin locating assembly, an adhesive gap is provided at the contact position of the outer face (16) and the inner face (12), the adhesive gap is internally filled with sealant (13), and the highest surface of the sealant (13) is lower than the surfaces of the outer face (16) and the inner face (12).

6. The meibomian gland dysfunction's treatment device according to claim 4, characterized in that an elastic snap spring (23) is provided on the handle (11), an elastic member (25) is provided between the elastic snap spring (23) and the housing, a guiding groove (24) adapted to the elastic member (25) is provided inside the sliding groove, and a finger breaking (22) is provided outside the hand-held part (21).

7. The meibomian gland dysfunction treatment device according to claim 2, wherein the inner (12) and outer (16) surfaces are both of a highly thermally conductive material, and the mounting cavity (121) is filled with a thermally conductive material.

8. The meibomian gland dysfunction treatment device of claim 1, wherein the semiconductor heating element (14) is a semiconductor peltier element.