射线防护门在一些医疗场所的应用较为广泛，主要用于需阻挡射线通过的进出口，机房和矿区中。主要应用于射线防护，其一般作用于屏蔽室、高和低能量直线加速器室、质子室、放射外科室、CT图像引导调强放射室、IMRT/IGRT室等。对保障工作人员的健康和防止射线对外扩散而引起不必要的伤害起到了关重要的作用。
Radiation protection door is widely used in some medical places, mainly used in the import and export, machine room and mining area which need to block the ray. It is mainly used in radiation protection. It is generally used in shielding room, high and low energy linear accelerator room, proton treatment room, radiosurgery treatment room, CT image-guided intensity-modulated radiation therapy room, IMRT / IGRT room, etc. It plays an important role in protecting the health of workers and preventing unnecessary injury caused by the external spread of radiation.
为适应医学检查室的设计特点，在选择射线防护用品的要求上也需要有针对性。如，不同的射线防护门类型就存在着较大的结构设计差异，为此，我们就先来了解一下射线防护门有哪些设计形式：
In order to adapt to the design characteristics of medical examination room, the requirements of selecting radiation protection equipment also need to be targeted. For example, different types of radiation protection doors have great differences in structural design. Therefore, let's first understand the design forms of radiation protection doors
一：平开防辐射铅门，可分为内开门和外开门，门体的结构和材料是根据放射线机的功率大小(KV)及门洞口大小来决定的，五金件为进口专用件。
1： The structure and material of the door body are determined according to the power (kV) of the radiation machine and the size of the door opening. The hardware parts are imported special parts.
二：推拉防辐射铅门，开启方向是沿着墙壁平行移动，门体的结构与
2： Push and pull the radiation proof lead door, and the opening direction is parallel to the wall
二：推拉防辐射铅门，开启方向是沿着墙壁平行移动，门体的结构与材料是根据放射线机的功率大小(KV)及门洞口大小来决定的，门框结构与平开门结构有所区别。
2： The opening direction of push-pull radiation proof lead door is parallel to the wall. The structure and material of the door body are determined by the power of the radiation machine (kV) and the size of the door opening. The door frame structure is different from the side door structure.
三：电动防辐射铅门一般适合较大的门体，由于重量较重，人力开启比较吃力，所以采用电动开启方式。开启形式可分为平开式和平移式。
3： The electric radiation proof lead door is generally suitable for larger door body. Due to its heavy weight and hard manual opening, the electric opening mode is adopted. Open form can be divided into flat open type and moving type.
铅玻璃里面含有铅，能够有效的防止辐射，所以多应用在医院等辐射较多的地方。铅玻璃虽然是含有氧化铅，但是其外表看起来是透明的。只是稍微发黄色，但是并不明显。防护玻璃一般指防X射线或γ射线或防中子的玻璃。由于物质对放射性辐射的吸收能力随其含有的金属元素的原子序数的增大而提高，所以防护玻璃都含有较多量的重金属氧化物。例如防X射线玻璃含较多量的PbO、BaO等，防γ射线的玻璃含较多量的PbO、WO3、Bi2O3等。由于γ射线的穿
Lead glass contains lead, can effectively prevent radiation, so it is widely used in hospitals and other places with more radiation. Although lead glass contains lead oxide, its appearance is transparent. It's just a little yellow, but it's not obvious. The protective glass generally refers to the glass which can prevent X-ray, gamma ray or neutron. As the absorption capacity of materials to radioactive radiation increases with the increase of atomic number of metal elements, protective glass contains more heavy metal oxides. For example, the anti X-ray glass contains more PBO and Bao, while the anti gamma ray glass contains more PbO, WO3, Bi2O3, etc. Because of the penetration of gamma rays由于γ射线的穿透能力较X射线强得多，所以γ射线防护玻璃的比重和铅当量较X射线防护玻璃高得多。
Because the penetration ability of gamma ray is much stronger than that of X-ray, the specific gravity and lead equivalent of γ - ray protective glass are much higher than that of X-ray protective glass.
铅玻璃的主要性能在光学上是清楚的、透明的防护屏蔽而使用的一种具有规定衰减性能的低光学质量的防护玻璃板,其衰减性能每一毫米为0.22mmpb。医用铅玻璃表面涂敷涂料当时，绝关于来说把金属表和条件隔开了，这种维护效果可称为屏障效果。
The main performance of lead glass is clear and transparent in optical protection. A low optical quality protective glass plate with specified attenuation performance is used. Its attenuation performance is 0.22mmpb per millimeter. Medical lead glass surface coating, absolutely speaking, separated the metal surface and conditions, this maintenance effect can be called barrier effect.
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