JP3219362U - Radiation protective clothing - Google Patents
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Abstract
【課題】コート型及びエプロン型の放射線防護衣を着用した際に、防護衣の左右側面のアームホール部から放射線が侵入しても、確実に乳腺を被曝から防護する放射線防護衣を提供することである。
【解決手段】熱可塑性樹脂及び粉末状の放射線遮蔽材料を含有するシート状の放射線防護体の表裏面にシート状体3、4を積層して一体化した略長方形状の放射線防護衣1の上下端部又は端部にゴム状体6を取り付け、該防護衣1の左右両端部に留め具を取り付けて放射線防護衣1を胸部に着脱自在に密着被覆するようにする。
【選択図】図2Provided is a radiation protective clothing that reliably protects a mammary gland from exposure even if radiation enters from arm hole portions on the left and right sides of the protective clothing when wearing a coat-type and apron-type radiation protective clothing. is there.
The upper and lower sides of a substantially rectangular radiation protection garment 1 in which sheet-like bodies 3 and 4 are laminated and integrated on the front and back surfaces of a sheet-like radiation protection body containing a thermoplastic resin and a powdery radiation shielding material. A rubber-like body 6 is attached to the end portion or the end portion, and fasteners are attached to the left and right ends of the protective clothing 1 so that the radiation protective clothing 1 is detachably attached to the chest.
[Selection] Figure 2
Description
本考案は、医療関係者が放射線防護のために着用する放射線防護衣、詳しくは、放射線防護のため放射線照射時に着用する放射線防護用のブラジャーに関するものである。The present invention relates to a radiation protective garment worn by medical personnel for radiation protection, and more particularly to a radiation protection bra worn at the time of irradiation for radiation protection.
従来より、放射線診療当事者等は、放射線被曝を避けるため、放射線遮蔽性を有する鉛や、粉末状のアンチモン系材料、ビスマス系材料、タングステン系材料等を含有させた放射線防護シートを用いて製作された放射線防護衣を着用して作業を行っている。また、該診療放射線従事者のみならず、受診者及び受診者に同伴して放射線診察室に入る者も被曝するため放射線防護衣を着用して入室するケースがある。Conventionally, radiological clinics and others have been manufactured using radiation protection sheets containing lead that has radiation shielding properties, powdered antimony materials, bismuth materials, tungsten materials, etc. in order to avoid radiation exposure. Wearing radiation protective clothing. Further, there are cases where not only the medical radiation worker but also a person who enters the radiation examination room accompanied by the examinee and the examinee enter the room wearing radiation protective clothing in order to be exposed.
従来、この種の放射線防護衣としてコート型とエプロン型のものが知られている(例えば特許文献1参照)。コート型の防護衣は図5に示すように、中央部で左右に分かれる前身頃12,13と後身頃14とアームホール部15とを有し、外面側にはベルト通しに通されたアウターベルト16を有している。Conventionally, a coat type and an apron type are known as this type of radiation protective clothing (see, for example, Patent Document 1). As shown in FIG. 5, the coat-type protective garment has front body parts 12 and 13, a rear body part 14 and an arm hole part 15 which are divided into right and left at the center part, and an outer belt 16 passed through a belt loop on the outer surface side. have.
図6(a)、(b)に示すエプロン型の防護衣50は、前身頃51とアームホール部52とを有し、さらに背面部53は、両肩部及び脇下部から肩胛骨部を覆うとともに、ほぼ左右肩甲骨部の間で交叉した後それぞれ斜め下方に延びる左右一対の帯状部55を有し、該帯状部55をベルト部としてウエストに巻き回して前面側で互いに重ね合わせて留め具で接続して使用するものである。6 (a) and 6 (b), an apron-type protective garment 50 has a front body 51 and an arm hole portion 52, and a back surface portion 53 covers the shoulder ribs from both shoulders and armpits, It has a pair of left and right belt-like portions 55 that extend obliquely downward after crossing between the left and right shoulder blades, and is wound around the waist as a belt portion and overlapped with each other on the front side and connected with a fastener To use.
しかし、従来の前面部と後面部とを備えたコート型及びエプロン型の放射線防護衣は、放射線が防護衣の左右側面のアームホール部から侵入する恐れがある。特に、乳房の大きい女性が着用した場合、乳房のふくらみにより防護衣が凸状に引っ張られてアームホール部が大きく開くことがあり、放射線がアームホール部から侵入して、乳腺への放射線被曝による乳癌等の発症が深刻な問題となっている。しかし、従来の防護衣ではアームホール部から侵入する放射線を遮蔽することは困難であった。However, in the conventional radiation protection garments of the coat type and the apron type provided with the front part and the rear part, radiation may enter from the arm hole parts on the left and right side surfaces of the protection garment. In particular, when a woman with a large breast wears it, the protective clothing may be pulled in a convex shape due to the swelling of the breast, and the armhole part may open widely. The onset of this is a serious problem. However, it has been difficult to shield radiation entering from the armhole portion with conventional protective clothing.
したがって、本考案の目的は、放射線が防護衣の左右側面のアームホール部から侵入しても、確実に乳腺を被曝から防護する放射線防護衣(放射線防護用ブラジャー)を提供することである。本考案者らはアームホール部を有するコート型及びエプロン型の放射線防護衣について徹底的に検討した結果、従来のアームホール部を有する放射線防護衣の下に放射線防護用のブラジャーを着用することでアームホール部から侵入する放射線の被曝を低減できることを見出し、更に検討した結果本考案に到達したものである。Accordingly, an object of the present invention is to provide a radiation protective clothing (radiation protective brassiere) that reliably protects the mammary gland from exposure even if radiation enters through the arm hole portions on the left and right side surfaces of the protective clothing. As a result of thorough examination of the coat-type and apron-type radiation protective clothing having the armhole portion, the present inventors have worn the armhole portion by wearing a radiation protection brassiere under the radiation protective clothing having the conventional armhole portion. As a result of further finding out that it was possible to reduce the exposure of radiation entering from the present invention, the present invention has been achieved.
すなわち、本考案は、(1)熱可塑性樹脂及び粉末状の放射線遮蔽材料を含有するシート状の放射性防護体の表面及び裏面にシート状体を積層して一体化した放射線防護衣の上下端部又は端部にゴム状体を取り付け、該防護衣の左右両端部に留め具を取り付けて放射線防護衣を胸部に着脱自在に被覆するよう構成したことを特徴とする放射線防護衣である。That is, the present invention is (1) upper and lower ends of radiation protective clothing in which sheet-like bodies are laminated and integrated on the front and back surfaces of a sheet-like radioactive protective body containing a thermoplastic resin and a powdery radiation shielding material. Alternatively, the radiation protective clothing is characterized in that a rubber-like body is attached to the end portion and fasteners are attached to both left and right end portions of the protective clothing so that the radiation protective clothing is detachably covered on the chest.
(2)該放射線防護衣は、胸部及び側部を覆う部分が幅広の略長方形状であることを特徴とする上記(1)記載の放射線防護衣である。(2) The radiation protective clothing according to (1), wherein the portion covering the chest and the side is a substantially rectangular shape having a wide width.
本考案の放射線防護衣は、従来のコート型及びエプロン型の放射線防護衣のアームホール部から侵入する放射線が、放射線防護衣の下に着用した放射線防護衣で遮蔽されるため、放射線診療当事者等の放射線被曝を低減できる。特に、女性が着用した場合乳房のふくらみによりアームホール部が拡大してアームホール部から放射線が大量に侵入したとしても、胸部及び側部を被覆した放射線防護衣(放射線防護用のブラジャー)によって放射線被曝を低減できる。また、本考案の放射線防護衣は従来のコート型及びエプロン型の放射線防護衣の下に着用するため、従来の放射線防護衣がそのまま使用できる。In the radiation protective clothing of the present invention, the radiation entering from the armhole part of the conventional coat type and apron type radiation protective clothing is shielded by the radiation protective clothing worn under the radiation protective clothing. Radiation exposure can be reduced. In particular, when a woman wears it, even if the armhole is enlarged due to the swelling of the breast and a large amount of radiation enters the armhole, the radiation protection clothing (brass for radiation protection) that covers the chest and sides is exposed to radiation. Can be reduced. Further, since the radiation protective clothing of the present invention is worn under the conventional coat-type and apron-type radiation protective clothing, the conventional radiation protective clothing can be used as it is.
つぎに、本考案の一実施例について図面にて説明する。図1は本考案の放射線防護衣(放射線防護用のブラジャー)1の表面図であり、図2は身体に巻回した状態を示す図であり、図3は断面図である。図4は作業者(マネキンで代替)が放射線防護衣1を着用した状態を示す図である。Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a surface view of a radiation protection garment (radiation protection brassiere) 1 according to the present invention, FIG. 2 is a view showing a state wound around the body, and FIG. 3 is a cross-sectional view. FIG. 4 is a view showing a state in which an operator (substitute with a mannequin) wears the radiation protective clothing 1.
放射線防護衣1は、図3の断面図に示すように熱可塑性樹脂及び粉末状の放射線遮蔽材料を含有するシート状の放射線防護体2の表面及び裏面に、シート状体3、4が被覆されている。該放射線防護体2の表面に被覆されたシート状体3は図1に示すように、例えば青色に着色されていてもよい。シート状の放射線防護体2及びシート状体3、4は放射線防護衣1の動作を妨げることのないよう可撓性を有する。シート状体3、4は、ポリオレフィン系樹脂、ポリ塩化ビニル系樹脂、ポリウレタン系樹脂その他の柔軟な合成樹脂シート、天然繊維、合成繊維の織布、不織布、編物等の繊維布、あるいは合成樹脂シートの上面に繊維布を被覆して一体化したシートである。シート状体3、4の厚さは特に限定されるものではないが、通常、0.01〜1.0mm程度である。繊維布を放射線防護体2の裏面に積層すると通気性が若干発生して蒸れが減少し、下着との滑りも良好となって作業性もよくなる。また、発汗しても汗が繊維布に吸収される。As shown in the cross-sectional view of FIG. 3, the radiation protective clothing 1 has a sheet-shaped body 3, 4 coated on the front and back surfaces of a sheet-shaped radiation protective body 2 containing a thermoplastic resin and a powdery radiation shielding material. ing. The sheet-like body 3 coated on the surface of the radiation protection body 2 may be colored, for example, in blue as shown in FIG. The sheet-like radiation protection body 2 and the sheet-like bodies 3 and 4 have flexibility so as not to hinder the operation of the radiation protection clothing 1. The sheet-like bodies 3 and 4 are polyolefin resin, polyvinyl chloride resin, polyurethane resin and other flexible synthetic resin sheets, natural fibers, woven fabrics of synthetic fibers, nonwoven fabrics, knitted fabrics, or synthetic resin sheets. It is the sheet | seat which coat | covered the fiber cloth on the upper surface and integrated. Although the thickness of the sheet-like bodies 3 and 4 is not specifically limited, Usually, it is about 0.01-1.0 mm. When the fiber cloth is laminated on the back surface of the radiation protection body 2, air permeability is slightly generated, the stuffiness is reduced, the sliding with the underwear is good, and the workability is also improved. Moreover, even if sweating, sweat is absorbed by the fiber cloth.
放射線防護体2は熱可塑性樹脂と粉末状の放射線遮蔽材料を含むものであって、熱可塑性樹脂は放射線防護体の基材となるとともに、放射線遮蔽性を有する粉末状の金属材料のバインダーとなる。The radiation protection body 2 includes a thermoplastic resin and a powdery radiation shielding material, and the thermoplastic resin serves as a base material for the radiation protection body and also serves as a binder for a powdery metal material having radiation shielding properties. .
熱可塑性樹脂としては、例えば、ポリオレフィン系樹脂、ポリ塩化ビニル系樹脂、ポリウレタン系樹脂等を使用することができる。 ポリオレフィン系樹脂のうち、エチレン・酢酸ビニル共重合体(EVA)は、シート化する際の成形加工性が良好であるため好ましい。As the thermoplastic resin, for example, a polyolefin resin, a polyvinyl chloride resin, a polyurethane resin, or the like can be used. Among polyolefin-based resins, ethylene / vinyl acetate copolymer (EVA) is preferable because of good molding processability when formed into a sheet.
放射線遮蔽性を有する金属材料としては、例えば、鉛、錫、ビスマス、アンチモン、亜鉛、タングステンやこれらの酸化物などがある。硫酸バリウムを用いることもできる。放射線遮蔽性を有する金属材料はその1つを単独で使用しても、2種以上を組み合わせて使用してもよい。鉛は環境及び人体への悪影響が大きいので使用は好ましくない。Examples of the metal material having radiation shielding properties include lead, tin, bismuth, antimony, zinc, tungsten, and oxides thereof. Barium sulfate can also be used. One metal material having radiation shielding properties may be used alone, or two or more metal materials may be used in combination. Lead is not preferred because it has a great adverse effect on the environment and the human body.
放射線遮蔽性を有する金属材料の平均粒子径は、1〜300μmである。金属材料をかかる範囲にすることにより、熱可塑性樹脂に対して分散性もよく、熱可塑性樹脂になじみやすくなるという効果を発揮することができる。The average particle diameter of the metal material having radiation shielding properties is 1 to 300 μm. By setting the metal material in such a range, it is possible to exert an effect that the dispersibility with respect to the thermoplastic resin is good and the thermoplastic resin is easily adapted.
放射線防護体2は、熱可塑性樹脂、放射線遮蔽性金属及び必要により添加した添加剤を必要量計量した上で、混合攪拌機で混合させ、必要に応じて、未分散物を取り除く目的で濾過すること、あるいは気泡を取り除く目的で減圧脱泡等の処理を行い、得られた組成物を、押出成形、プレス成形等の公知の手段によってシート状に成形加工して製造することができる。かかるシート状の放射線防護体2は、単層でもよく複数層を重ね合わせて積層化してもよい。The radiation protector 2 is to be filtered for the purpose of removing undispersed materials after mixing the required amount of thermoplastic resin, radiation shielding metal and additives added as necessary, mixing with a mixing stirrer. Alternatively, a process such as vacuum defoaming is performed for the purpose of removing bubbles, and the obtained composition can be produced by molding into a sheet by a known means such as extrusion molding or press molding. Such a sheet-like radiation protection body 2 may be a single layer or a plurality of layers stacked.
放射線遮蔽性能を備えた放射線防護衣1は、シート状の放射線防護体を所望の形状に裁断し、シート状体に包むか、あるいは表裏にシート状体を貼り合わせ一体化させて放射線防護衣1とすることができる。放射線遮蔽体をシート状体に縫い合わせる場合には、図3のように放射線防護衣1の縁部を防護するために縁取りテープ5を設け、縫合糸60を用いて放射線防護体2とシート状体3、4をミシン加工により縫い付ける。これにより、可撓性の放射線防護体2とシーと状体3、4が一体化される。ミシン加工の代わりに放射線防護体2とシート状体3、4の縁部を溶着や接着により一体化してもよい。The radiation protective clothing 1 having radiation shielding performance is obtained by cutting a sheet-shaped radiation protective body into a desired shape and wrapping it in a sheet-shaped body, or by bonding and integrating the sheet-like body on the front and back sides. It can be. When the radiation shielding body is sewn to the sheet-like body, an edge tape 5 is provided to protect the edge of the radiation protective clothing 1 as shown in FIG. 3 and the radiation protection body 2 and the sheet-like body are used using the suture thread 60. Sew 3 and 4 by sewing. As a result, the flexible radiation protection body 2, the sheath and the bodies 3 and 4 are integrated. Instead of sewing, the edges of the radiation protection body 2 and the sheet-like bodies 3 and 4 may be integrated by welding or adhesion.
放射線はコート型及びエプロン型の放射線防護衣のアームホール部から侵入するため図1のように放射線防護衣1の胸を覆う部分と放射線防護衣のアームホール部分(胸の側部)の幅を広くすることが重要である。また、放射線防護衣1の両端部の固定位置は着脱作業を容易にするため胸の中央部、又はアームホール部から侵入する放射線を避けた胸側部の近傍に設けることが好ましい。胸の側部に設ける場合は、放射線防護衣1の両端部は重ね合わせて二重にして固定することで両端部からの放射線の侵入を低減できる。本考案の放射線防護衣1は、胸部と胸の側部を覆う部分が幅広で背面部分が細幅の略長方形状であっても、全周囲が幅広の長方形状でもよい。Since radiation enters from the arm hole part of the coat type and apron type radiation protective clothing, the width of the portion covering the chest of the radiation protective clothing 1 and the arm hole portion (side part of the chest) of the radiation protective clothing is widened as shown in FIG. This is very important. Moreover, it is preferable to provide the fixing position of the both ends of the radiation protective clothing 1 in the vicinity of the chest side part which avoids the radiation which invades from the center part of the chest or the armhole part in order to facilitate the attaching / detaching work. When provided on the side of the chest, both ends of the radiation protective clothing 1 can be overlapped and fixed in a doubled manner to reduce radiation intrusion from both ends. The radiation protective clothing 1 of the present invention may have a substantially rectangular shape with a wide portion covering the chest and the side of the chest and a narrow back portion, or a wide rectangular shape with the entire circumference being wide.
また、放射線防護衣1の上下端部又は端部にゴム紐などのゴム状体6が取り付けられている。図4に示すようにゴム状体6により放射線防護衣1の上下端部を装着者の胸部に密着させることができる。また、略長方形状の放射線防護衣1を装着者の胸部に巻き付け固定するため留め具7が放射線防護衣1の両端部に取り付けられている。留め具7としては取扱い性に優れた面ファスナーが好ましい。A rubber-like body 6 such as a rubber string is attached to the upper and lower ends or the end of the radiation protective clothing 1. As shown in FIG. 4, the upper and lower ends of the radiation protective clothing 1 can be brought into close contact with the chest of the wearer by the rubber-like body 6. Further, fasteners 7 are attached to both ends of the radiation protective clothing 1 in order to wrap and fix the substantially rectangular radiation protective clothing 1 around the chest of the wearer. The fastener 7 is preferably a hook-and-loop fastener with excellent handleability.
本考案の放射線防護衣1をマネキンMに着用させた状態を図4に示す。女性が着用した場合乳房のふくらみにより防護衣が凸状に引っ張られて、防護衣1の上又は下端に空隙が生ずる恐れがあるが、図4のように胸部及び胸の両側部を幅広とすることにより、乳房のふくらみが余裕をもって覆われるため防護衣1の上又は下端に空隙が生ずることがない。また、長時間放射線防護衣1を着用すると放射線防護衣がずれる恐れがあるが、肩紐(図示せず)を取り付けることでずれは防止できる。FIG. 4 shows a state where the mannequin M is worn with the radiation protective clothing 1 of the present invention. When a woman wears, the protective clothing may be pulled in a convex shape due to the swelling of the breast, and a gap may be formed on the upper or lower end of the protective clothing 1, but the chest and both sides of the chest are wide as shown in FIG. As a result, the bulge of the breast is covered with a margin, so that no gap is formed on the upper or lower end of the protective clothing 1. Further, if the radiation protective clothing 1 is worn for a long time, the radiation protective clothing may be displaced, but the shift can be prevented by attaching a shoulder strap (not shown).
放射線防護衣1はその機能を保持するために高い気密性が要求されるが、それに伴って生じる装着者の多量の発汗及びこれに起因する蒸れが問題である。かかる問題は放射線防護体2の裏面に被覆するシート状体4に繊維布を使用すると軽減できるが、シート状体4に通気性を有するメッシュや三次元立体編物(特許第3943011号参照)を積層するとさらに蒸れが軽減できる。The radiation protective clothing 1 is required to have high airtightness in order to maintain its function, but there is a problem of a large amount of sweating caused by the wearer and stuffiness resulting therefrom. Such a problem can be alleviated by using a fiber cloth for the sheet-like body 4 that covers the back surface of the radiation protection body 2, but the sheet-like body 4 is laminated with a breathable mesh or a three-dimensional solid knitted fabric (see Japanese Patent No. 3943011). Then, stuffiness can be reduced further.
放射線診療当事者等が、コート型及びエプロン型の放射線防護衣を着用する前に本考案の放射線防護衣(放射線防護用ブラジャー)を着用すれば放射線防護衣の左右側部のアームホール部から侵入する放射線を低減することができる。
そのため放射線診療当事者等が乳腺への放射線被曝による乳癌等の発症を心配せずに診療等を行うことができ医療分野での利用可能性が高い。Radiation that enters from the armholes on the left and right sides of the radiation protective clothing if the radiation medical personnel etc. wear the radiation protective clothing (radiation protective bra) of the present invention before wearing the coat type and apron type radiation protective clothing Can be reduced.
For this reason, radiological medical parties and the like can perform medical care and the like without worrying about the onset of breast cancer or the like due to radiation exposure to the mammary gland, and are highly available in the medical field.
1、放射線防護衣
2、放射線防護体
3、放射線防護体表面に被覆されたシート状体
4、放射線防護体裏面に被覆されたシート状体
5、縁取りテープ
6、ゴム状体
7、留め具(面ファスナー)1, radiation protective clothing 2, radiation protective body 3, sheet-like body 4 coated on the surface of the radiation protective body, sheet-like body 5 coated on the back surface of the radiation protective body, border tape 6, rubber-like body 7, fastener ( Hook-and-loop fastener)
Claims (2)
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JP2018004018U JP3219362U (en) | 2018-09-27 | 2018-09-27 | Radiation protective clothing |
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JP2018004018U JP3219362U (en) | 2018-09-27 | 2018-09-27 | Radiation protective clothing |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021135278A (en) * | 2020-02-27 | 2021-09-13 | 株式会社メディテックジャパン | X-ray shield sheet |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021135278A (en) * | 2020-02-27 | 2021-09-13 | 株式会社メディテックジャパン | X-ray shield sheet |
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