JPH0342597U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例の放射線遮蔽室構造
を示す平面図、第２図は第１図の実施例における
入口扉への放射線漏洩ルートを示す平面図、第３
図は従来の放射線遮蔽室構造を示す平面図である
。 １……放射線治療装置、２……治療台、３……
画壁、５……照射室、６……照射室出入口、８…
…通行通路出入口、９……入口扉、１１，１２，
１３……漏洩ルート、１４，１５……半影領域、
１７……通行通路、１８……折返部。 Fig. 1 is a plan view showing the structure of a radiation shielding room according to an embodiment of the present invention, Fig. 2 is a plan view showing the radiation leakage route to the entrance door in the embodiment of Fig.
The figure is a plan view showing a conventional radiation shielding chamber structure. 1... Radiation therapy equipment, 2... Treatment table, 3...
Picture wall, 5... Irradiation room, 6... Irradiation room entrance, 8...
... Passageway entrance, 9... Entrance door, 11, 12,
13...Leakage route, 14,15...Penumbra area,
17... Passageway, 18... Turning section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 放射線遮蔽板により囲まれ内部に放射線治療装
置が配置される照射室と、該照射室の放射線遮蔽
壁を貫通して形成された照射室出入口と、該照射
室出入口に通ずる通行通路と、該通行通路の通行
通路出入口に開閉自由に設けられた入口扉とを備
える放射線遮蔽室構造において、前記通行通路出
入口から前記照射室出入口に至る前記通行通路を
中間部で折り返して略Ｕ字状としてあることを特
徴とする放射線遮蔽室構造。 An irradiation room surrounded by a radiation shielding plate and in which a radiation therapy device is disposed, an irradiation room entrance/exit formed by penetrating the radiation shielding wall of the irradiation room, a passageway leading to the irradiation room entrance/exit, and a passageway leading to the irradiation room entrance/exit; In a radiation shielding room structure comprising an entrance door that can be freely opened and closed at the entrance and exit of a passageway, the passageway extending from the entrance and exit of the passageway to the entrance and exit of the irradiation room is folded back at an intermediate portion to form a substantially U-shape. A radiation shielding chamber structure featuring: