JPS58166640U

JPS58166640U - radiography equipment

Info

Publication number: JPS58166640U
Application number: JP6196882U
Authority: JP
Inventors: 熊本　三矢戒
Original assignee: 株式会社日立メデイコ
Priority date: 1982-04-30
Filing date: 1982-04-30
Publication date: 1983-11-07

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来装置を概略的に示す側面図、第２図は本考
案による放射線撮影装置の一実施例を概略的に示す側面
図、第３図は本考案装置の具体的な回路例を示す図であ
る。１・・・放射線検出器、２・・・位置決め用投光器、２
ａ・・・投光器光軸、３・・・撮影中心軸、４・・・寝
台、５・・・制御盤、６・・・被写体、６ａ・・・撮影
希望位置、７・・・角度検出器、８・・・前後方向位置
検出器、９・・・上下方向位置検出器、１０・・・補正
位置計算回路、１１・・・駆動回路、θ・・・垂直方向
に対する撮影中心軸の傾斜角度、ｄ・・・撮影中心軸と
投光器光軸間距離。；ｖｉ−・　　１ｉｌ　ＬＬ−□　１Fig. 1 is a side view schematically showing a conventional apparatus, Fig. 2 is a side view schematically showing an embodiment of the radiographic apparatus according to the present invention, and Fig. 3 is a specific circuit example of the apparatus according to the present invention. FIG. 1... Radiation detector, 2... Positioning floodlight, 2
a... Floodlight optical axis, 3... Shooting center axis, 4... Bed, 5... Control panel, 6... Subject, 6a... Desired shooting position, 7... Angle detector , 8... Anteroposterior position detector, 9... Vertical position detector, 10... Correction position calculation circuit, 11... Drive circuit, θ... Inclination angle of the imaging center axis with respect to the vertical direction , d... Distance between the shooting center axis and the optical axis of the projector. ;vi-・ 1i l LL-□ 1

Claims

[Scope of utility model registration request]

A positioning floodlight is attached to the side of the radiation detector with its tip axis parallel to the imaging center axis connecting the radiation detector and the radiation source, and during imaging, the light from the floodlight is directed to the control panel. After tentatively positioning the subject on a bed that can be moved forward and backward and up and down by operation, the bed is moved to position the desired position on the central axis of photography. In an apparatus for photographing a desired position using radiation, the radiation detector is provided with an angle detector for detecting the inclination angle of the central axis of imaging with respect to one vertical direction, and the radiation detector is provided with an angle detector for detecting the inclination angle of the central axis of imaging with respect to one vertical direction. a position detector that detects the position;
Before and after the desired photographing position is brought to the position on the photographing center axis based on each detection value obtained by the angle detector and the position detector and the preset distance between the photographing center axis and the optical axis of the projector. The bed is provided with a correction position calculation circuit that calculates a directional distance, and a drive circuit that automatically moves the bed in the longitudinal direction by the distance calculated by the correction position calculation circuit by operating a control panel of the bed, A radiation imaging apparatus characterized in that, after the provisional positioning of the desired imaging position, the actual positioning of the desired imaging position is automatically performed by operating a control panel of the bed.