. Radiography and radio-therapeutics . Fig. 103.—Wenckebach screening stand.(Siemens.) PlG. 104.—Wenckebach screening stand.(Siemens.) Universal Safety and Protective Tube-stand.—The demand fora universal apparatus is increasing as the real importance of the Rontgenexamination of the internal organs is recognised. There are, of course,various devices for radiographing the patient in a standing or sitting position,but a simple and handy universal apparatus for both fluoroscopy and radio-graphy is much to be desired. The desiderata of such an apparatus aremany. The most important of these are th
. Radiography and radio-therapeutics . Fig. 103.—Wenckebach screening stand.(Siemens.) PlG. 104.—Wenckebach screening stand.(Siemens.) Universal Safety and Protective Tube-stand.—The demand fora universal apparatus is increasing as the real importance of the Rontgenexamination of the internal organs is recognised. There are, of course,various devices for radiographing the patient in a standing or sitting position,but a simple and handy universal apparatus for both fluoroscopy and radio-graphy is much to be desired. The desiderata of such an apparatus aremany. The most important of these are the fixation of the body, thestraightness of the trunk, and the accurate adjustment of the normal rayto any desired point on the surface. In addition, any such apparatus, ifit is to be universal, must be equally efficient when the patient is re-clining, sitting, or standing, and should be easily adjustable for tele-radiography up to a distance of 2 metres or more. Finally, it shouldbe capable of being easily and quickly handled, a
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