WO2019044447A1

WO2019044447A1 - Protective eyeglasses for medical treatment

Info

Publication number: WO2019044447A1
Application number: PCT/JP2018/029921
Authority: WO
Inventors: 章小田切; 一身小松原; 昌典坂東; 直彦真田
Original assignee: ドクタージャパン株式会社
Priority date: 2017-08-31
Filing date: 2018-08-09
Publication date: 2019-03-07

Abstract

[Problem] A problem addressed by the present invention is to provide protective eyeglasses for medical treatment, which is easy to handle and has little burden on a medical practitioner working with radiation both when the user does and does not require corrective eyeglasses. [Solution] Provided are protective eyeglasses for medical treatment for use by a medical practitioner working with radiation, comprising: an eyeglass frame 11; a front part 21 attached to the eyeglass frame 11 and comprising x-ray blocking filters 24, 24; and an eyeglass part 31 detachably attached to the eyeglass frame 11. The eyeglass frame 11 is configured from an elastic material and the temples 14 thereof are of a length sufficient to surround the head along the occipital region when in use.

Description

Medical safety glasses

The present invention relates to medical goggles, and more particularly to medical goggles for protecting the eyes of medical personnel who handle radiation.

Traditionally, safety glasses have been used to protect the eye of the medical practitioner from radiation that leaks from the medical device. As such medical protective eyeglasses, for example, protective eyeglasses using lead-containing acrylic resin and having a structure of overglass type which can be worn while the user wears eyeglasses for vision correction are used. (Patent Document 1).

Utility model registration No. 3011320 gazette

However, since acrylic resins containing lead have low X-ray shielding function, they can not sufficiently protect the eyes of the user, and acrylic resins turn from transparent to yellowish due to aging, for example, medical practice There was a problem that caused problems. Furthermore, the user wearing eyeglasses for vision correction wears protective eyeglasses while wearing the eyeglasses, so that there are double frames, for example, obstructing the visual field and causing problems in work, handling of equipment, etc. Had to come.

On the other hand, by replacing the lead-containing acrylic resin with lead glass, the X-ray shielding function can be enhanced and the problem of discoloration can be solved, but the protective glasses using lead glass are heavy, and the users of the protective glasses The burden on the nose side and the burden on the upper part of the ear are large, and the slippage of the protective glasses occurs. For this reason, for example, there has been a problem that the burden on the user of the protective glasses becomes large when a long operation is performed with the advancement of the anesthesia technique. In addition, by connecting the rear ends of a pair of temples of the protective glasses with a string, it is possible to reduce the slippage due to the weight of the protective glasses, but the back of the user is tightened Problem of getting dirty.

Furthermore, when a separate lens frame equipped with a spectacle lens for correcting vision is mounted near the inner side of the protective glasses, cleaning of the part where the protective filter and the spectacle lens are opposed in the cleaning after use of the protective glasses Was difficult. Therefore, it is necessary to remove the lens frame and clean the protective eyeglasses and the lens frame every time cleaning, and then reattach the lens frame to the protective eyeglasses, resulting in a problem that the handling is troublesome.

The present invention has been made in view of the above-described circumstances, and a medical worker who handles radiation may or may not require glasses for correcting vision. It is an object of the present invention to provide medical protective glasses having a small burden and easy handling.

The invention according to claim 1 for solving the above-mentioned problems is medical protective glasses used by medical workers who handle radiation, which comprises an eyeglass frame and an X-ray shielding filter, and the eyeglass frame It consists of a front part to be attached and an eyeglass part to be removably attached to the eyeglass frame, wherein the eyeglass frame is made of an elastic material, and the temple has a length that wraps around the back of the head in use It is a medical protective goggles that is characterized.

In one embodiment, the X-ray shielding filter contains a material having an X-ray shielding effect, or is provided with a coating of a material having an X-ray shielding effect on the surface. In one embodiment, the X-ray shielding filter has a lead coating on the surface, and further has a coating layer made of a resin material on the surface of the lead coating.

In one embodiment, in the filter for X-ray shielding, the transmission X-ray dose rate (mGy / min) measured according to JIS T61331-1 is a transmission X-ray dose rate measured without passing through an X-ray shielding filter The X-ray shielding filter has an optical transparency of 85% or more for visible light, and the material having the X-ray shielding effect has atomic number 22 It is one of the materials consisting of any of the elements up to number 83, or a combination of two or more.

In one embodiment, the front portion includes a front connection portion, a pair of rim portions holding the X-ray shielding filter connected by the front connection portion, and a side plate provided in a row with the rim portion. An X-ray shielding layer is disposed on the front connecting portion, the rim portion, and the surface of the side plate.

In one embodiment, the X-ray blocking layer forms a primer layer on the surface of the front connection portion, the rim portion and the side plate, and contains powder of a material having an X-ray blocking effect on the primer layer. It is formed by applying a resin composition and heating. The particle diameter of the powder of the material having the X-ray shielding effect is in the range of 10 μm to 150 μm. In one embodiment, the X-ray shielding layer contains lead powder, and the surface of the X-ray shielding layer is provided with a covering layer made of a resin material.

In one embodiment, the eyeglass unit is detachable from the eyeglass frame and can be flipped up.

The protective eyeglass according to the present invention comprises an eyeglass frame and a front portion attached to the eyeglass frame having X-ray blocking performance, and the eyeglass frame is made of a springy material, and the temple is used on the back of the head during use Because of the length of the wraparound, when the user needs glasses for vision correction, whether they are required or not, they protect the eyes of the user from X-rays and when worn A good fit can be obtained, fatigue does not easily occur even when worn for a long time, and the burden on the user can be reduced.

It is a top view showing one embodiment of protection glasses of the present invention. It is a front view showing one embodiment of protection glasses of the present invention. It is a side view showing one embodiment of the protection glasses of the present invention. It is a perspective view showing one embodiment of protection glasses of the present invention. It is a perspective view from an angle different from Drawing 4 showing one embodiment of protection glasses of the present invention. It is a front view for demonstrating the structure of the protective glasses of this invention. It is a top view for demonstrating the operation | movement of the goggles of this invention. It is a perspective view for demonstrating the structure of the protective glasses of this invention. It is a perspective view for demonstrating the structure of the protective glasses of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view showing an embodiment of the protective spectacles of the present invention, FIG. 2 is a front view thereof, FIG. 3 is a side view thereof, and FIGS. 4 and 5 are perspective views thereof. Moreover, FIG. 6 is a front view for demonstrating the structure of the protection spectacles of this invention, and has shown the state which spaced apart the one part member.

In FIG. 1 to FIG. 6, the protective eyeglass 1 of the present invention can be detachably attached to the eyeglass frame 11, the front portion 21 carrying the

X-ray shielding filters

24 and 24 and attached to the eyeglass frame 11, And an eyeglass portion 31 attached to the Below, these spectacles frames 11, the front part 21, and the spectacles part 31 which comprise the protective spectacles 1 are demonstrated.

<Glasses frame 11>
The eyeglass frame 11 has a bridge 12 and

temples

14 and 14 attached to both ends 12 e of the bridge 12 via

hinges

13 and 13. The bridge 12 has a gently bent shape so that the front portion 21 described later can be locked by the central portion 12c, as shown in FIG. 6 from the front. The bridge 12 is formed of a metal such as β titanium or titanium, or a resin material such as a polyamide resin, or is formed of a material formed of a combination of two or more of these materials.

The

temples

14 and 14 are pivotable about

hinges

13 and 13 and their

end portions

14e and 14e are formed to be long and lightly abut along the back of the user's head and are shown in FIG. Thus, the

end portions

14e and 14e are in close proximity to each other. By forming the

temples

14 and 14 so long in this way, the weight applied to the nose side during use of the protective glasses 1 is dispersed, thereby reducing the burden on the nose side due to the weight, and The effect of preventing the slippage of the

The

temples

14 and 14 are formed of a metal such as β titanium or titanium, a resin material such as a polyamide resin, or the like, or formed of a material in which two or more of these materials are combined. Among such materials, as a material for forming the front half portion 14a of the

temples

14 and 14, a good fit can be obtained when the protective eyeglass 1 is worn, and fatigue will occur even if worn for a long time It is preferable to use a β-titanium material which is hard, light in weight, hard to rust, and rich in elasticity.

On the other hand, it is preferable to use a cushioned rubber resin for the rear half portion 14b of the

temples

14 and 14 so that the ear part and the back of the head do not get hurt even if the protective glasses 1 are worn. The rubber resin is preferably bendable and fitting adjustable according to the user. For example, Lavalon resin (registered trademark) manufactured by Mitsubishi Chemical Corporation can be used.

<Front part 21>
The front portion 21 includes a pair of

rim portions

23 and 23 connected by the front connection portion 22 and carrying the

X-ray shielding filters

24 and 24 and

side plates

25 and 25 continuous with the

rim portions

23 and 23. doing. Although not shown, an X-ray shielding layer is disposed on the surfaces of the front connection portion 22, the

rim portions

23 and 23, and the

side plates

25 and 25, that is, all exposed surfaces of these members. The

side plates

25, 25 are members that shield X rays from entering the eye direction from the user's eyes and are separate from the temple 14, so they have freedom in shape.

As shown in FIG. 6 and FIG. 8, the front connection portion 22 is fixed to the bridge 12 of the eyeglass frame 11 with the screw 16 through the base material 41 and integrated with the eyeglass frame 11. Be done. The fastening structure of the front portion 21 to the bridge 12 will be described later.

The

X-ray shielding filters

24 and 24 are light transmitting members containing a material having an X-ray shielding effect, or a film of a material having an X-ray shielding effect is formed on the surface of a molded light transmitting member. It is The

X-ray shielding filters

24 and 24 have transparency to the extent that they can be used as protective glasses, and, for example, they are transparent such that the light transmittance in the visible light region is 85% or more, preferably 93% or more. Have a In the

X-ray shielding filters

24 and 24, the transmission X-ray dose rate (mGy / min) measured according to JIS T6133-1 is half of the transmission X-ray dose rate measured without the X-ray shielding filter. It has an X-ray shielding ability that can achieve the following.

As a light transmissive material which comprises the X-ray shielding filters 24 and 24, the material which expresses desired light transmittance from glass, an acrylic resin, etc. can be selected. Moreover, as a material having an X-ray shielding effect, a material composed of any element of atomic number 22 to 83 can be mentioned, and such a material may be used alone or in combination of two or more. Can be used in

In materials having such an X-ray shielding effect, X-ray shielding effects differ depending on the element, and in order to exert the same X-ray shielding effect, the amount contained by the X-ray shielding filters 24, 24 is increased as the atomic weight increases. The thickness of the material coating on the surface of the X-ray shielding filters 24 can be reduced. Therefore, the material to be used, the amount of the material to be contained, or the thickness of the material film can be determined so that the X-ray shielding effect required for the protective spectacles 1 is exhibited.

For example, lead-containing glass can be used as the X-ray shielding filters 24 and 24, and specific examples thereof include LX-57B manufactured by Nippon Electric Glass Co., Ltd. When the X-ray shielding filters 24 have a lead film on the surface, it is preferable to provide a coating layer made of a resin material on the surface of the lead film in consideration of the health of the human body.

The material of the front connecting portion 22, the

rims

23 and 23, and the

side plates

25 and 25 constituting the front portion 21 can be formed by a member that can withstand the heat at the time of forming the X-ray shielding layer described later. For example, resins such as amide resins and sulfone resins, and metals such as titanium and β titanium can be mentioned. More specifically, Radel (registered trademark) which is a sulfone resin can be preferably used.

In the illustrated example, the front connecting portion 22, the

rim portions

23 and 23, and the

side plates

25 and 25 are integrally formed, but the invention is not limited thereto, and bonding is performed after individual members are formed. Alternatively, they may be integrated by fusion bonding or the like. In that case, the material which comprises the front connection part 22, the

rim parts

23 and 23, and the

side plates

25 and 25 may all be the same, and may differ.

The X-ray blocking layer located on the surfaces of the front connecting portion 22, the

rim portions

23 and 23, and the

side plates

25 and 25 may be a resin layer containing a powder of a material having an X-ray blocking effect. The powder of the material having the X-ray shielding effect may be a powder of a material consisting of any element of atomic number 22 to 83, and such powder may be used alone or in combination. It can be used in combination of the above.

The material having the X-ray shielding effect has different X-ray shielding effects depending on the elements, and in order to exert the same X-ray shielding effect, the larger the atomic weight, the smaller the amount of material contained in the X-ray shielding layer may be. In addition, the thickness of the X-ray blocking layer can be reduced. Therefore, the material to be used, the amount of material to be contained, or the thickness of the X-ray shielding layer can be determined so that the X-ray shielding effect required for the protective spectacles 1 is achieved.

The X-ray shielding layer forms, for example, a primer layer on the surfaces of the front connection portion 22, the

rim portions

23 and 23, and the

side plates

25 and 25 and contains powder of a material having an X-ray shielding effect on this primer layer. It can form by apply | coating and heating the resin composition. For example, an epoxy resin primer can be used for the primer layer, and the primer layer is formed by spray coating on the entire surface of the front connection portion 22, the

rim portions

23 and 23 and the

side plates

25 and 25. be able to. The thickness of the primer layer can be appropriately set, for example, in the range of 5 μm to 20 μm.

In the powder of the material having the X-ray shielding effect, the thickness of the X-ray shielding layer becomes thicker as the particle diameter is larger, and when the particle diameter is too large, unevenness is noticeable on the surface of the X-ray shielding layer. For this reason, the particle diameter can be appropriately set, for example, in the range of 10 μm to 150 μm. As resin used for the resin composition containing the powder of the material which has an X-ray shielding effect, an acrylic resin, a melamine resin, a urethane resin, a phenol resin, polyester resin etc. can be mentioned, for example.

Moreover, it is necessary to set the temperature in consideration of the heat resistance of the material which comprises the front connection part 22, the

rim parts

23 and 23, and the

side plates

25 and 25 for the heating after apply | coating a resin composition. For example, if the material constituting the front connection portion 22, the

rim portions

23 and 23, and the side plates 25 is 25 is about 80 ° C. if the material is ABS resin, and if it is about 180 ° C. if it is a sulfone resin Radel. When the material is metal, the temperature can be appropriately set at about 500 ° C. or less.

The thickness of the X-ray shielding layer is the transmission X-ray dose rate (mGy / min) measured in accordance with JIS T61331-1 in the front connection portion 22 provided with the X-ray shielding layer, the

rim portions

23 and 23, and the side plates 25 and 25. ) Can be set to half or less of the transmitted X-ray dose rate measured without passing through the X-ray shielding member, the X-ray shielding effect required for the protective glasses 1, the type of material used, and the material powder The thickness of the X-ray blocking layer can be set, for example, in the range of 5 μm to 300 μm in consideration of the content rate of and the like. When lead powder is used as a material powder having an X-ray shielding effect, it is preferable to provide a covering layer made of a resin material on the surface of the X-ray shielding layer in consideration of health to the human body.

<Glasses part 31>
The eyeglass portion 31 constituting the protective eyeglass 1 has a pair of eyeglass lenses 32 for eyesight correction connected by the eyeglass connecting portion 33 using the support pin 36, and is attached to the bridge 12 of the eyeglass frame 11 (See FIG. 8). The eyeglass portion 31 is attachable to and detachable from the bridge 12 of the eyeglass frame 11, and can be flipped up to the front portion 21 in a state of being attached to the eyeglass frame 11. The structure in which the eyeglass portion 31 is detachable with respect to the bridge 12 and the structure in which the eyeglass portion 31 can be flipped up with respect to the front portion 21 are as follows.

FIG. 7 is a plan view for explaining the flip-up operation on the front portion 21 of the eyeglass portion 31 in the protective glasses 1 of the present invention. In FIG. 7, the positions of the

spectacle lenses

32 and 32 of the spectacles unit 31 when using the protective spectacles 1 are indicated by solid lines, and the

spectacle lenses

32 and 32 in a state in which the spectacles unit 31 is flipped up with respect to the front unit 21 It is shown by a dashed line. As described above, since the eyeglass portion 31 can be flipped up with respect to the front portion 21, for example, cleaning of the opposing surfaces of the X-ray shielding filter 24 and the eyeglass lens 32 at the time of cleaning after use of the protective eyeglass Becomes easy.

Next, the attachment structure of the front portion 21 to the bridge 12, the structure for making the eyeglass portion 31 removable with respect to the bridge 12, and the structure for enabling the eyeglass portion 31 to bounce up to the front portion 21 Each will be described with an example.

8 and 9 are perspective views for explaining the structure of the protective glasses of the present invention. In FIG. 8 and FIG. 9, the bridge 12 is provided with a fitting protruding screw hole portion 15, and the base material 41 is provided so as to protrude from the base 42 of the L-shaped cross section and the L-shaped vertical surface of the base 42. And a pad support 46 on which the

nose pads

47 and 47 are mounted, and two through holes 44 drilled in the L-shaped horizontal surface of the base 42. The

nose pads

47, 47 can be made of, for example, silicone rubber or the like so that the nose does not hurt even if the protective glasses 1 are worn for a long time, and they do not slip off.

Further, the bridge 12 is provided with two fitting projecting screw holes 15, 15, and the front portion 21 is engaged with the front connecting portion 22 so as to correspond to the fitting projecting screw holes 15, 15. It has two through holes 26 for common use. The base member 41 is disposed so that the fitting projecting screw portion 15 is fitted in the through hole 44, and the fitting projecting screw hole portion 15 is fitted in the through hole 26 of the front portion 21. In the state where the portion 21 is disposed, the front portion 21 is integrated with the bridge 12 by screwing the screw 16 into the fitting protruding screw hole portion 15.

The protrusion 43 provided on the base 41 has a screw hole 45 on the side surface. On the other hand, a pair of

engagement plates

34, 34 are provided in the front direction in the eyeglass connecting portion 33 constituting the eyeglass portion 31 so as to protrude in the front direction, and through

holes

35, 35 are provided in the

engagement plates

34, 34. . Then, with the pair of

engagement plates

34, 34 disposed so as to sandwich the protruding portion 43 of the base material 41, the eyeglass portion 31 is screwed by screwing the screw 17 into the screw hole 45 of the protruding portion 43. It is fixed to the bridge 12.

The eyeglass portion 31 is attachable to and detachable from the bridge 12 through the base material 41. When the user of the protective eyeglass 1 does not need eyeglass for eyesight correction, the eyeglass portion 31 is removed from the bridge 12 and used can do. Also, by wearing the glasses 31 with different degrees of vision correction, a plurality of users with different degrees of vision correction can share one protective eyeglass 1.

Furthermore, the eyeglass portion 31 can be flipped up with respect to the front portion 21 centering on the screw 17. Therefore, for example, at the time of cleaning after use of the protective glasses, the opposing surfaces of the X-ray shielding filter 24 and the eyeglass lens 32 can be easily cleaned without removing the eyeglass portion 31. In addition, even if the eyeglass portion 31 is flipped up operation many times and the locking state of the eyeglass portion 31 with respect to the projecting portion 43 of the base portion 41 becomes loose, the loosening can be resolved by tightening the screw 17.

The protective glasses 1 of the present invention having such a configuration protect the eyes of the user from X-rays, whether the users require glasses for vision correction or not. Can reduce the burden of handling and make handling simple.

The above-described embodiment is an example of the present invention, and the present invention is not limited to such an embodiment. For example, in the above-described embodiment, the

temples

14 and 14 constituting the eyeglass frame 11 are rotatably disposed at both ends of the bridge 12 via the

hinges

13 and 13, but at both ends of the bridge 12, The temples may be directly connected to the bridge 12 at a desired angle. Moreover, in the above-mentioned embodiment, although the

spectacles lenses

32 and 32 are directly fixed to the spectacles connection part 33 using the support pin 36, a pair of rim part is provided in a row with the spectacles connection part 33, The

eyeglass lenses

32, 32 may be held.

Preparation of Resin Composition for Forming X-Ray Shielding Layer
The resin composition of the following composition was prepared as a resin composition for X-ray shielding layer formation.
(Composition of a resin composition for forming an X-ray blocking layer)
Acrylic resin (acrylic resin paint NK-IV manufactured by Nikken Kogyo Co., Ltd.) 100 parts by mass Lead powder (average particle diameter 20 μm) 15 parts by mass Solvent (thinner manufactured by Nikken Kogyo Co., Ltd.) 20 parts by mass

<Formation of X-ray shielding layer>
A plate material (0.5 mm in thickness) made of a sulfone resin (Ledell (registered trademark)) and titanium is used as a material for the front portion 21 including the front connecting portion 22,

rim portions

23 and 23, and

side plates

25 and 25. Plates (thickness 0.5 mm, 1.0 mm) were prepared. Moreover, the board | plate material (thickness 0.6 mm) which consists of stainless steel (SUS303) was prepared as a comparison.

Next, an epoxy resin primer (epoxy primer NK-IV manufactured by Nikken Co., Ltd.) was spray-coated on the entire surface of each of the above plate materials to form a primer layer (about 10 μm in thickness). Thereafter, the above-mentioned resin composition for forming an X-ray blocking layer is spray-coated on the primer layer to form an X-ray blocking layer (thickness of about 70 μm of one layer), and seven types of samples shown in Table 1 below. Was produced.

<Measurement of transmitted X-ray dose rate>
With respect to the samples (samples 1 to 7) thus prepared, the transmission X dose rate is measured five times under the following measurement conditions in accordance with JIS T61331-1, and the average value and the standard deviation are determined. Described in 1.
(Measurement conditions of transmission X dose rate)
・ X-ray equipment: MG-452 made by Axron International ・ X-ray tube voltage: 120 kV
・ X-ray tube current: 12.5mA,
・ Additional filtration plate: Aluminum plate (thickness 2.5mm)
・ X-ray tube focus-distance between samples: 900 mm
・ Sample-measuring device distance: 600 mm
・ X dose measurement unit: Air collision kerma ・ X-ray beam: Narrow beam

As shown in Table 1, the transmission X-ray dose rates in the samples 1 to 6 were half or less of the transmission X-ray dose rates of the blank, and it was confirmed that the X-ray shielding effect was good. Sample 7 was also half or less of the transmission X dose rate of the blank, but the material was stainless steel, and the specific gravity was large and could not be used for protective eyeglasses.

The goggles according to the present invention are as described above, and the eyeglass frame 11 and the front portion 21 contain a material having X-ray protection, and the eyeglass portion 31 is made of an elastic material. Since it is the length that wraps around the back of the head at the time of use, it protects the user's eyes from X-rays, either when the user needs glasses for vision correction or when they do not. And, when worn, a good fit can be obtained, fatigue does not appear even when worn for a long time, and the burden on the user is alleviated, and its industrial applicability is extremely high. It is large.

Claims

Protective eyewear for use by medical personnel who handle radiation, comprising: an eyeglass frame, an X-ray shielding filter, and a front portion attached to the eyeglass frame; and eyeglasses removably attached to the eyeglass frame A medical protective spectacles, comprising: an eyeglasses frame, the eyeglass frame being made of an elastic material, and a temple of the eyeglass frame having a length that wraps around the back of the head in use.
The medical protective glasses according to claim 1, wherein the filter for X-ray shielding comprises a material having an X-ray shielding effect or a coating of a material having an X-ray shielding effect on the surface.
The medical protective glasses according to claim 1 or 2, wherein the filter for X-ray shielding comprises a lead coating on the surface, and further comprises a coating layer made of a resin material on the surface of the lead coating.
In the filter for X-ray shielding, the transmission X-ray dose rate (mGy / min) measured according to JIS T61331-1 is not more than half of the transmission X-ray dose rate measured without passing through the X-ray shielding filter The medical protective glasses according to any one of claims 1 to 3, which has a shielding ability.
The medical protective glasses according to any one of claims 1 to 4, wherein the X-ray blocking filter has a visible light transmittance of 85% or more.
The material according to any one of claims 2 to 5, wherein the material having the X-ray shielding effect is one or a combination of two or more materials consisting of any of the elements of atomic numbers 22 to 83. Medical protective glasses.
The front portion includes a front connection portion, a pair of rim portions holding the X-ray shielding filter connected by the front connection portion, and a side plate connected to the rim portion, the front connection portion The medical protective glasses according to any one of claims 1 to 6, wherein an X-ray shielding layer is disposed on the surface of the rim portion and the side plate.
The X-ray blocking layer forms a primer layer on the surface of the front connection portion, the rim portion and the side plate, and a resin composition containing a powder of a material having an X-ray blocking effect is applied on the primer layer. The medical protective glasses according to claim 7, which are formed by heating.
The medical protective glasses according to claim 8, wherein the particle diameter of the powder of the material having the X-ray shielding effect is in the range of 10 μm to 150 μm.
The medical protective glasses according to any one of claims 7 to 9, wherein the X-ray shielding layer contains lead powder, and the surface of the X-ray shielding layer is provided with a coating layer made of a resin material.
The medical protective glasses according to any one of claims 1 to 10, wherein the spectacles part is detachable from the spectacle frame and can be flipped up.