No abstract

Since October 1984， we have developed the ' ℃ hest ・ holdeジ ' ， a novel positioning device for the chest radiography ， espeda 】 ly of great bene丘t for patients with diMcu］ ty in standing ln an upright position ． It consists of three parts ： holding ・ pads ， supportlng rods ， and a simultaneous adjuster ． This device enables the hosp 正 tal techniciansto easily attain the appropriate position of the patient， thereby reducing patient − assistance and X ・ ray exposure to the radiographic technicians ． Furthermore ， it was dernonstrat ・ ed that the " Chest ・ ho 】 der " was even useful regarding radiography fornormal subjects as it provided great savings in the setup time ．

No abstract

No abstract

It is a we1 】 − 1｛nown fact that skin injuries after high ・ energy photon beam radiotherapy are attributed to the sec '