Electron applicator

Patent · Tue Sep 02 04:00:00 EDT 1980

OSTI ID:6921179

Symmons, E B; Taumann, L

In the illustrated embodiment, an electron collimator is to be mounted on the accessory holder of an electron accelerator. In radiation therapy, the down beam end of the applicator is to contact the patient to establish a precise spacing of the electron source therefrom. The legs of the l-shaped collimator plates have rods secured to the corner part thereof which link pairs of overlapping legs to a common carrier for joint lateral adjustment toward and away from the beam axis. The rods slide in apertures in the carrier as the legs are adjusted longitudinally. Cornered wall elements are secured to each collimator plate and overlap each other to surround the beam path, and have in-turned closely overlapping edges which terminate flush with the inner margins of the collimator plates so as to provide further electron collimation and to provide an essentially smooth patient contacting end face.

• Assignee: Siemens Ag (Germany)
• Patent Number(s): US 4220866
• OSTI ID: 6921179
• Country of Publication: United States
• Language: English

Related Subjects

440300 -- Miscellaneous Instruments-- (-1989)
47 OTHER INSTRUMENTATION
550603* -- Medicine-- External Radiation in Therapy-- (1980-)
62 RADIOLOGY AND NUCLEAR MEDICINE
ACCELERATORS
BEAMS
COLLIMATORS
ELECTRON BEAMS
IRRADIATION DEVICES
LEPTON BEAMS
MEDICINE
NUCLEAR MEDICINE
PARTICLE BEAMS
RADIOLOGY
RADIOTHERAPY
THERAPY