Types of x-ray cassettes
A cassette is a rectangle metal container Whis is help to transport the
exposure and non exposure film in darkroom. The cassette is light proof rigid
Device. The cassette always hinged one side and opened other side. The side
where is the latches is back side and other side facing the patient is called
front side. The front side is made of plastic or carbon fiber, these have low
atomic number. The back side is made of metal or lead sheet. The back of
lead sheet protect from the scattered radiation. The cassette back side, there
is window to provide the patient ID.
The cassette are used in conventional screen film and Computed radiography
(CR) system. The cassettes are provided a pairs of intensifying screen and the
x-ray film keep between the pairs of intensifying like sandwich. The cassettes
are available in different size like 14×17, 15×12, 14×14, 12×12, 12×10, 10×8,
12×6.
Types of cassettes.
There are following types of cassettes.
A) Single intensifying screen cassette.
B) Double intensifying screen cassette.
C) curved cassette.
D) Gridded cassette.
E) Multi-sectional cassette.
F) Film charger cassette.
A) Single intensifying screen cassette :- The single intensifying screen
cassettes are designed to used only single side emulsion film. It is used in
only mammography.
B) Double intensifying screen cassette :-
The double intensifying screen cassettes are designed to used double
emulsion film. It is used in conventional radiography.
C) Curved cassette:– The curve cassettes are designed for those
examination in which conventional cassettes are not adequate. Such as
tunnel view of knee, head of humerus and any additional position that
increased body part and film distance with standard flat cassette. It is curved
