CN218529050U - Decompression type defogging medical goggles - Google Patents

Abstract

The utility model belongs to the technical field of medical auxiliary supplies, in particular to decompression type defogging type medical goggles. It solves the problem that when the medical staff wear the glasses and the skin around the glasses will produce water vapor. In the middle, the glasses cannot be removed for wiping, which is very inconvenient. The utility model comprises a goggle body and a tightening device that can be worn with the human body. A lens assembly is arranged in the goggle body, and the lens assembly includes at least two lenses, each of which is connected to the goggles. The inner wall of the main body is sealed and connected so that a vacuum structure is formed between the lenses. The purpose is to design a kind of goggles that can reduce the mist generated when worn by excessive temperature differences, and reduce the condensation of water vapor inside the goggles caused by external low temperature when worn by medical staff.

Description

Decompression type defogging medical goggles

technical field

The utility model belongs to the technical field of medical auxiliary supplies, in particular to decompression type defogging type medical goggles.

Background technique

Medical goggles are glasses specially designed for medical staff. This type of goggles is mainly used for clinical medical staff to prevent splashing and splashing of various types of body fluids, blood and other liquids during work. Not only that, but also in the fight against the new crown, Egypt It is a necessity when large-scale viruses such as Bora and SARS break out, and it has a huge effect on isolating virus infections.

The existing goggles have the following problems:

When worn by medical staff, the glasses and the skin around the glasses will produce water vapor. The glasses cannot be removed for wiping, which is very inconvenient.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides decompression-type defogging medical goggles. Moisture condensation inside the goggles.

The technical scheme that the utility model adopts is as follows:

The decompression type defogging medical goggles include a goggle body and a tightening device that can be worn with the human body. The goggle body is provided with a lens assembly, and the lens assembly includes at least two lenses, each of which is The lenses are all sealed and connected with the inner wall of the goggle body, so that a vacuum structure is formed between the lenses.

With the above technical solution, the vacuum structure formed between the lenses can form a heat insulation layer, which can isolate the temperature inside and outside the goggles, so that the internal water vapor will not condense on the lenses due to the low external temperature, reducing fog Therefore, the existing goggles have solved the problem that the existing goggles interfere with the vision of medical staff due to the fog generated by the excessive temperature difference between the inside and outside of the lens.

Preferably, a desiccant layer is provided inside the goggle body, and the desiccant layer can absorb water vapor inside the goggle body in real time, further reducing the generation of fog.

Preferably, the outer surface of the outermost lens is sequentially covered with an anti-fog film, an anti-reflection layer, a substrate layer, an anti-radiation layer, a polarizing layer, and an anti-fog film from the inside to the outside. The anti-fog film further reduces the condensation of fog on the inside and outside. The anti-reflection layer can prevent the direct reflection of ultraviolet rays and blue light emitted from the oblique rear to the inner film, avoiding reflection to the human eyes. The radiation protection layer reduces the harm of radiation. The polarizing layer can filter strong light and prevent glare.

Preferably, the goggles body is provided with several breathable valves, each of the breathable valves is detachably provided with a microporous membrane replacement core, and the breathable valves can keep a certain amount of breathable air in the airtight goggles body. As a result, part of the water vapor can be discharged.

Preferably, the breathable valve is detachably connected to the microporous membrane replacement core through a thread structure, and the microporous membrane replacement core can not only ensure the smooth exchange of gas and the discharge of water vapor, but also isolate pollutants and viruses On the outside, the airtight effect of the goggles is guaranteed, and the thread structure makes the replacement core of the microporous filter membrane easy to disassemble.

Preferably, a protection pad is provided on the outer frame of the goggle body, and the protection pad is a flexible material structure, and the protection pad provides a buffer for the lens when the goggle falls, preventing the lens from being broken.

Preferably, a contact pad is provided on the inner frame of the goggle body, and the contact pad is a silicone pad whose shape fits the shape of the face and the bridge of the nose. There will be no gaps between the bridges of the nose, which ensures the tightness of the goggles, and the fitted shape increases the contact area with the face and the bridge of the nose, reduces pressure, and prevents medical staff from wearing goggles for a long time resulting in scars.

Preferably, the two sides of the goggles body are provided with fixing frames, and the tightening device adopts a two-stage mirror belt, the two-stage ends of which are respectively fixed with the fixing frame, and the tightening device is far away from the fixing frame. The other end of the frame is provided with an adjusting piece for adjusting the tightness. The user can use the adjusting piece to adjust the tightness of the tightening device, so that the size of the goggles can be adapted to users with different head circumferences, and the safety of the goggles is further improved. Sealing effect.

Preferably, the spectacle belt is a structural member made of elastic material, and the elastic material can make the spectacle belt fit the patient's head, ensuring the wearing comfort of the patient.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

Design a kind of goggles that can reduce the fog generated when the temperature difference is too large, and reduce the condensation of water vapor inside the goggles caused by the external low temperature when the medical staff wears it, which interferes with the medical staff's sight.

Description of drawings

The utility model will be explained by way of example and with reference to the accompanying drawings, wherein:

Fig. 1 is a schematic diagram of the internal structure of the goggles body in the utility model (glasses are not shown);

Fig. 2 is the structural representation of goggles in the utility model;

Fig. 3 is a structural schematic diagram of the anti-fog film, anti-reflection layer, substrate layer, radiation protection layer, polarizing layer and anti-fog film covered on the outermost lens in the utility model;

Fig. 4 is a schematic structural view of the ventilation valve in the utility model;

Fig. 5 is a structural schematic diagram of the clamping of the contact pad and the body of the goggles in the present invention.

Reference signs:

1-lens, 2-breather valve, 201-microporous membrane replacement core, 3-goggle body, 4-contact pad, 5-fixing frame, 6-tightening device, 7-desiccant layer, 8-anti-fog Film, 9-anti-reflection layer, 10-substrate layer, 11-radiation protection layer, 12-polarizing layer, 13-protective pad, 14-regulator.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the utility model product is used, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying the It should not be construed as limiting the application to indicate that a device or element must have a particular orientation, be constructed, and operate in a particular orientation. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

Below in conjunction with Fig. 1～Fig. 5, the utility model is described in detail.

Example:

With reference to accompanying drawing 2, decompression type defogging type medical goggle, comprise goggle body 3 and the fastening device 6 that can be worn with human body, described goggle body 3 is provided with lens assembly, and described goggle body 3 Made of transparent plastic material, the lens assembly includes at least two lenses 1, each of the lenses 1 is sealed and connected to the inner wall of the goggle body 3, so that a vacuum structure is formed between the lenses 1, and the lenses 1 Forming a vacuum structure between them can form a heat insulation layer, which can isolate the temperature inside and outside the goggles, so that the internal water vapor will not condense on the lens 1 due to the low external temperature, thereby reducing the generation of fog.

Referring to accompanying drawing 1, in the present embodiment, described goggle body 3 is provided with desiccant layer 7, and desiccant layer 7 is the replaceable desiccant bag that can be placed in goggle body 3 inside, and described desiccant bag surface It is made of non-woven fabric and filled with desiccant. The thickness of the desiccant bag is 5mm. There are shrapnels on the left and right sides of the bottom of the goggle body 3, which can be pulled up, and then the desiccant The layer 7 is clamped and fixed, and the desiccant layer 7 can be replaced through the breathable valve 2 after being used for a period of time. The desiccant layer 7 can absorb the water vapor inside the goggle body 3 in real time, further reducing the generation of mist.

With reference to accompanying drawing 3, in the present embodiment, the lens (1) described in the outermost side of the goggles body (3) adopts the AHT9-layer coating process to make a composite lens 1, and there are anti-fog film 8 and anti-reflection layer successively from the inside to the outside 9. The substrate layer 10, the anti-radiation layer 11, the polarizing layer 12 and the anti-fog film 8. The anti-fog film 8 is arranged inside and outside the lens 1, which further reduces the condensation of the fog inside and outside. The ultraviolet rays, blue light, etc. shot on the inner membrane are directly reflected to avoid reflection to human eyes, the radiation protection layer 11 reduces the harm of radiation, and the polarizing layer 12 can filter strong light to prevent light glare.

With reference to accompanying drawing 4, in the present embodiment, described goggle body 3 is provided with two breathable valves 2, and the inside of each described breathable valve 2 is detachably provided with microporous membrane replacement core 201, and described breathable valve 2. A certain ventilation effect can be reserved in the airtight goggles body 3, and a part of water vapor can be discharged.

In this embodiment, the breathable valve 2 is detachably connected to the microporous membrane replacement core 201 through a thread structure, and the lower part of the microporous membrane replacement core 201 is provided with external threads, and the inside of the breathable valve 2 An internal thread matching the external thread is provided, and the microporous filter membrane replacement core 201 is provided with a microporous filter membrane with a pore size of 20 nanometers, and the microporous filter membrane replacement core 201 can ensure the smooth exchange of gas and the release of water vapor. discharge, and can isolate pollutants and viruses to ensure the sealing effect of the goggles. The thread structure makes the microporous membrane replacement core 201 easy to disassemble.

In this embodiment, the outer frame of the goggles body 3 is provided with a protective pad 13, the protective pad 13 is a flexible material structure, the flexible material structure is rubber material, the protective pad 13 and the goggles The outer frame of the body 3 is plugged in, and the outer frame of the goggle body 3 is provided with a draw-in slot for plugging in. The protective pad 13 provides a buffer for the lens 1 when the goggles fall, preventing the lens 1 from being broken.

With reference to accompanying drawing 5, in the present embodiment, the inside frame of described goggle body 3 is provided with contact pad 4, and described contact pad 4 is plugged with the inside frame of described goggle body 3, and described goggle body The inner frame of 3 is provided with a card slot for plugging in. The contact pad 4 is a silicone pad whose shape fits the shape of the face and the bridge of the nose. The pressure is reduced, and the surface of the silicone pad in contact with the skin is covered with a hydrogel layer, which increases the comfort of the wearer, and fits the shape of the face and the bridge of the nose to ensure that there will be no gap between the contact pad 4 and the face and the bridge of the nose. The tightness of the goggles is guaranteed, and the fitted shape increases the contact area with the face and the bridge of the nose, reduces the pressure generation, and prevents medical staff from being pressed out of scars due to wearing goggles for a long time.

In this embodiment, the two sides of the goggle body 3 are provided with a fixing frame 5, the fixing frame 5 is U-shaped, the setting direction of the fixing frame 5 is perpendicular to the wearing direction of the tightening device 6, and the tightening The device 6 adopts a mirror belt with a two-stage structure, and its two-stage ends are respectively fixed with the fixed frame 5, and the other end of the tightening device 6 away from the fixed frame 5 is provided with an adjusting member 14 for adjusting the tightness. The adjusting part 14 is a sun-shaped buckle, and the user can use the adjusting part 14 to adjust the tightness of the tightening device 6, so that the size of the goggles is suitable for users with different head circumferences, and the sealing effect of the goggles is further improved.

In this embodiment, the mirror belt is an elastic material structural member, and the elastic material member is made of plastic material. The elastic material can make the mirror belt fit the patient's head, ensuring the comfort of the patient.

Working principle and use process:

Put the goggles on the head, adjust the goggle body 3 so that the contact pad 4 fits the face and the bridge of the nose, adjust the sun-shaped buckle on the tightening device 6, tighten the tightening device 6, and make the goggle body 3 firmly It is firmly fixed on the face to ensure the tightness of the goggles. The hollow sealing structure between the two lenses 1 isolates the low temperature outside and reduces the pre-condensation of water vapor inside the goggles to condense on the lenses 1. The desiccant layer 7 is set After absorbing the water vapor inside the goggles, the anti-fog film 8 on the lens 1 prevents the mist from being adsorbed on the lens 1, further reducing the fogging of the lens 1.

It should be noted:

The desiccant, anti-fog film, anti-reflection layer, substrate layer, radiation protection layer, polarizing layer, microporous filter membrane, hydrogel and sun-shaped buckle involved in the utility model are all prior art, and those skilled in the art It can be realized completely, needless to say, and the content protected by the utility model does not involve the improvement of software and methods.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. Decompression type medical goggles of defogging formula includes goggles body (3) and can wear with the human body tighten device (6), its characterized in that: the goggles are characterized in that a lens assembly is arranged in the goggles body (3), the lens assembly comprises at least two lenses (1), each lens (1) is hermetically connected with the inner wall of the goggles body (3), and a vacuum structure is formed between the lenses (1).

2. The pressure-reducing defogging type medical goggles according to claim 1, wherein: a drying agent layer (7) is arranged in the goggles body (3).

3. The pressure-reducing defogging medical goggles according to claim 1, wherein: the outer side surface of the lens (1) at the outermost side is sequentially covered with an antifogging film (8), an antireflection layer (9), a substrate layer (10), an anti-radiation layer (11), a polarizing layer (12) and an antifogging film (8) from inside to outside.

4. The pressure-reducing defogging type medical goggles according to claim 1, wherein: the goggles are characterized in that a plurality of vent valves (2) are arranged on the goggles body (3), and a microporous filter membrane replacement core (201) is detachably arranged in each vent valve (2).

5. The pressure-reducing defogging type medical goggles according to claim 4, wherein: the ventilation valve (2) is detachably connected with the microporous filter membrane replacement core (201) through a thread structure.

6. The pressure-reducing defogging medical goggles according to claim 1, wherein: the goggles are characterized in that a protective pad (13) is arranged on the outer side frame of the goggles body (3), and the protective pad (13) is a flexible material structural part.

7. The pressure-reducing defogging type medical goggles according to claim 1, wherein: the goggles are characterized in that a contact pad (4) is arranged on an inner side frame of the goggles body (3), and the contact pad (4) is a silica gel pad which is attached to the face and the nose bridge in shape.

8. The pressure-reducing defogging type medical goggles according to claim 1, wherein: the goggles are characterized in that fixing frames (5) are arranged on two sides of the goggles body (3), the tightening device (6) is a goggle belt of a two-section structure, the end portions of the two sections of the tightening device are fixed to the fixing frames (5) respectively, and adjusting pieces (14) used for adjusting tightness are arranged at the other ends, far away from the fixing frames (5), of the tightening device (6).

9. The pressure-reducing defogging type medical goggles according to claim 8, wherein: the mirror belt is an elastic material structural member.

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