JP3226435U - Radiation protection - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a novel radiation protector to be worn to reduce the exposure of the crystalline lens of the eye. A radiation protector (1) having a radiation shielding performance, which includes a neck fixing part (3) for mounting and fixing it on a neck of a body, and a part of the neck fixing part (3) that is stretched upward when worn. It is provided with an eye crystalline lens protection part 5 provided on the neck fixing part 3 so as to extend. A thyroid protection portion 8 that covers the thyroid region when worn can be provided below the neck fixing portion 3. [Selection diagram] Fig. 4

Description

The present invention relates to a radiation protector, and more particularly to a radiation protector worn by a doctor or the like to reduce the exposure of the crystalline lens of the eye.

In order to avoid physical damage to the body due to radiation exposure, medical radiation workers should wear radiation protective clothing made using radiation shielding sheets such as vinyl chloride resin containing lead, which has a high shielding property, and work. It is carried out.
BACKGROUND ART Conventionally, as a radiation protective garment for medical use, a coat type and an apron type are known. Also, a neck guard that protects the thyroid gland is known.

By the way, in response to the recommendations of the International Commission on Radiological Protection (ICRP) regarding the exposure limit of the eye's crystalline lens, the Radiation Council, and also the Ministry of Health, Labor and Welfare "Investigation Committee on the review of the exposure limit of the crystalline lens of the eye" The revision of the radiation exposure limit of
In the "Report of the Study Group on the Review of Exposure Limits of the Lens of the Eye", "Exposure of workers in general medicine is mainly X-ray exposure due to scattered rays from the subject. Therefore, other radiation protection Further radiation reduction of the crystalline lens can be expected by taking radiation protection measures such as using protective glasses with high lead equivalents together with the measures, and reducing occupational exposure by optimizing medical exposure.'' It has been pointed out.
Also, the scattered radiation from the subject is maximum at a height of about 50 cm from the work table, the equivalent doses measured near the eyes and in the head and neck are about the same, approximately 60% when using protective glasses, and when using protective plates. It has been pointed out that a reduction in exposure of about 40% can be expected. In addition, “The national government promotes development for strengthening the protection ability by radiation protection equipment such as radiation protection glasses, and an operator who conducts work with high exposure dose to the crystalline lens installs and improves radiation protection equipment. It is desirable to provide support for taking radiation reduction measures."

Patent Document 1 describes medical protective eyeglasses used by medical staff. Further, Patent Document 2 describes a radiation protection screen used to reduce radiation exposure of a practitioner.
However, in the medical field such as a field called IVR where a procedure is performed while seeing through X-rays, there are some medical staff who are not accustomed to wearing protective eyeglasses because of the heavy weight, etc. As for the protective plate, there was a problem that it was not always easy to use due to problems such as installation space.

JP, 2019-42480, A JP, 2016-8849, A

The present invention has been devised in view of the background art described above, and an object of the present invention is to provide a novel radiation protector to be worn to reduce the exposure of the crystalline lens of the eye.

(1) A radiation protector having radiation shielding performance,
A neck fixing part for mounting and fixing on the neck of the body,
When worn, provided with the neck fixing portion so as to partially project upward from the neck fixing portion, and a lens protection unit for the eye,
It is radiation protection equipment.
(2) A thyroid protective portion that covers the thyroid gland when worn is provided below the neck fixing portion.
(3) All or part of the eye lens protective portion is made of a transparent material.

(1) It is used by attaching a neck fixing part for attaching and fixing it to the neck of the body, and it is used by attaching it to the neck so that it does not directly touch the face or cover the eyes like spectacles. Easy to use with little burden.
When worn, the eye lens protective part, which is provided in the neck fixing part so as to partly project upward from the neck fixing part, protects the scattered rays from the subject from hitting the eye's crystalline lens, and exposure It is reduced (usually, when a surgeon performs a medical procedure, scattered rays hit from a subject below). Since the lens protection part of the eye is provided so as to partially project upward from the neck fixing part, the operator's visual field during the procedure is secured and does not become an obstacle.
Since the object to be manipulated can be directly viewed without passing through glass or the like, it is easy to see without any discomfort such as distortion, and the technique is also performed accurately.
Unlike the windshield, it does not have a shield that covers most of the face, so there is no problem that the wearer's voice echoes or the voices of others are difficult to hear.
Since the neck fixing part is wrapped around the neck and fixed, the fixing is stable and the holding feeling is good.
(2) By providing a thyroid protective portion under the neck fixing portion that covers the thyroid gland when worn, not only the lens of the eye but also the thyroid can be protected at the same time.
(3) By making all or part of the lens protection part of the eye made of a transparent material, obstruction of the visual field by the lens protection part itself of the eye is eliminated or reduced.

It is a front view showing the deployment state of radiation protection equipment 1. It is a perspective view at the time of wearing of the radiation protection equipment 1. It is a perspective view which shows the use condition of the radiation protector 1. It is a perspective view which shows the use condition of the radiation protector 1. It is a perspective view which shows the use condition of the radiation protector 1.

A neck fixing part for attaching and fixing the radiation protection equipment to the neck of the body, and an eye contact provided on the neck fixing part so as to partially protrude upward from the neck fixing part when worn. The lens protection unit is provided.

FIG. 1 is a front view showing the radiation protector 1 in a developed state, and FIG. 2 is a perspective view when the radiation protector 1 is worn.
The radiation protector 1 shown in FIGS. 1 and 2 is formed of a sheet-like material having a radiation shielding property. Specifically, it is made of a vinyl chloride resin containing lead or the like having a predetermined radiation shielding performance. It is provided inside the radiation shielding layer (sheet). For example, the innermost layer and outermost layer (sheet material such as vinyl chloride resin) having the radiation shielding layer as an intermediate layer and protecting the intermediate layer, and further the intermediate layer such as the inner side of the innermost layer, if necessary. And a core member adjacent thereto (not shown). The edge portion 7 of the radiation protector 1 is subjected to edging processing that also serves as reinforcement by edging using an edging tape made of an appropriate material such as a synthetic resin sheet.

The radiation protector 1 is attached to a neck portion of a body and fixed to the neck fixing portion 3, and when worn, partially extends upward from the neck fixing portion 3 (obliquely upward to the front side in the front-back direction of the body). As described above, the eye lens protective unit 5 provided on the neck fixing unit 3 is provided. In the illustrated example, the neck fixing portion 3 and the eye lens protecting portion 5 are integrally formed (in a continuous sheet-like object), and the boundary between the neck fixing portion 3 and the eye lens protecting portion 5 is formed. , Is indicated by a broken line for convenience. The radiation protector 1 has flexibility such that it can be rolled.
In its deployed state, the radiation protector 1 partially protrudes from a substantially central portion of the neck fixing part 3 to a neck fixing part 3 which is curved and has an arched shape, and a side where the bow shape of the neck fixing part 3 expands. And a lens protection part 5 of the eye formed in a mountain shape. The lens protection part 5 of the mountain-shaped eye has a shape that is secured without obstructing the front and lower views of the wearer at least when worn. In the figure, the lens protection unit 5 of the eye has a mountain shape that is slightly inclined to the right, assuming that scattered rays hit from the lower left side when performing a medical procedure.
The direction in which the scattered rays strike depends on the content of the procedure to be performed, but in any case, it is downward as seen from the operator. In the case of performing a medical procedure, it is possible to assume a case where scattered rays hit a little from the lower right side, and the mountain shape may be tilted slightly to the left side. It is also possible to make the reversible specification without distinction between the front and back. Alternatively, the shape may be bilaterally symmetrical and may be used for both left and right sides.
At the end of the neck fixing portion 3, a holding portion 4 such as a surface fastener for holding the neck fixing portion 3 wound around the neck of the body is provided.

The radiation protector 1 in the state of FIG. 1 is used by winding the neck fixing part 3 around the neck of the body by rolling the neck fixing part 3 so that the ends of the neck fixing part 3 are aligned as shown in FIG. FIG. 3 shows a usage state of the radiation protector 1. FIG. 3A shows a usage state viewed from the front side of the body, and FIG. 3B shows a usage state viewed from the slightly left side of the body. The horizontal position of the crystalline lens protection part 5 of the eye can be adjusted by rotating the neck fixing part 3 with respect to the neck when the radiation protection tool 1 is mounted.
The lens protection part 5 of the eye is separated from the neck fixing part 3 at a position displaced to the left or right with respect to the wearer so that at least the front and lower views of the wearer can be secured without being obstructed at the time of wearing. Partially overhang.
When worn, the eye lens protective portion 5 provided in the neck fixing portion 3 so as to partially project upward from the neck fixing portion 3 protects scattered rays from the subject from hitting the eye crystalline lens. , Exposure is reduced (usually, when a surgeon performs a medical procedure, scattered rays strike from the subject below. The illustrated example assumes that scattered rays strike slightly from the lower left side when performing a medical procedure. doing.). Further, since the lens protection part 5 of the eye is provided so as to partly project upward (obliquely upward to the front side in the front-back direction of the body) from the neck fixing part 3, the other hand such as a hand when performing the procedure of the operator. The view in front of is secured and does not become an obstacle.
Since the object to be manipulated can be directly viewed without passing through glass or the like, it is easy to see without any discomfort such as distortion, and the technique is also performed accurately.
Unlike the windshield, it does not have a shield that covers most of the face, so there is no problem that the wearer's voice echoes or the voices of others are difficult to hear.
Since the neck fixing part is wrapped around the neck and fixed, the fixing is stable and the holding feeling is good.

The radiation protection tool 1 shown in FIG. 4 is provided with a thyroid protection part 8 that covers the thyroid gland when worn, connected to the lower side of the neck fixing part 3. The thyroid protective portion 8 is provided so as to hang from the neck fixing portion 3 in a bib shape to the front side of the body.
The thyroid protection portion 8 may be provided integrally (inseparably) with the neck fixing portion 3 or may be separable (detachable) from the neck fixing portion 3. In the latter case, the neck fixing part 3 and the thyroid protection part 8 can be connected by a suitable connecting means such as a hook-and-loop fastener, a hook, a button, or another joint.

The radiation protector 1 shown in FIG. 5 comprises a lens protective part 5 of the eye made of a transparent material. As the transparent material, a material mainly containing lead-containing acrylic resin or lead glass can be used. This eliminates or reduces the obstruction of the visual field by the lens protection unit 5 of the eye. All or part of the eye lens protection part 5 can be made of a transparent material. For the manufacture, the radiation protection tool 1 can be obtained, for example, by joining the eye lens protective portion 5 made of a three-dimensionally formed transparent material to the neck fixing portion 3 formed of a sheet by an appropriate means. ..
The radiation protector 1 may be provided with a thyroid protection part under the neck fixing part 3 for covering the thyroid part when worn, as in the case shown and described in FIG.

Although the embodiments have been described above with reference to the examples, the present invention is not limited to the above-described examples, and can be appropriately added or modified within the scope of the gist of the present invention.

1 Radiation protector 3 Neck fixing part 4 Holding part 5 Eye lens protection part 7 Edge part 8 Thyroid protection part

Claims (3)

A radiation protector with radiation shielding performance,
A neck fixing part for mounting and fixing on the neck of the body,
When worn, provided with the neck fixing portion so as to partially project upward from the neck fixing portion, and a lens protection unit for the eye,
Radiation protection equipment. The radiation protector according to claim 1, further comprising a thyroid protection portion that covers a thyroid portion when worn, below the neck fixing portion. The radiation protector according to claim 1 or 2, wherein all or a part of the lens protection part of the eye is made of a transparent material.

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