Serial Film Changer Flashcards
An electromechanical device that can expose
and transport film quickly, and Used for conventional Imaging technique.
Rapid Serial Film Changer
Parts of a Film Changer
Program selector, Supply magazine, Transport Mechanism, Compression Table, and receiving Cassette
This allows the operator to set speeds and
film quantity to suit the exam being
undertaken.
Program selector
This is a light tight
box that can be
filled with film in
the darkroom and
then attached to
the film changer.
Supply Magazine
This box can store a minimum of 12 unexposed films
Supply Magazine
This consists of a series of compression roller
devices
Transport Mechanism
It moves the film from the supply magazine to
a pair of intensifying screens and then to the
Receiving cassette.
Transport Mechanism
Contains a pair of
intensifying screens.
Compression Table
Is the magazine that
holds the exposed film.
Receiving Cassette
Categories of Serial Film Changers
- Cassette Serial Film Changers
- Cassetteless Serial Film Changers
The most common type of serial film changer is?
Vacuum changer
The most popular brand of vacuum changer was made by?
Picker-Amplatz
Cassetteless changers may transport films
individually or (?) or from a supply
film spool (?).
(cut film changer) and (roll film changer).
The continual opening and closing of
the screens trap ____ between ______ and _____.
Air, Screen, and Film
The roll film changer operates on the same
principle as photographic camera.
Roll film changers
Roll-films are usually supplied in ____-foot lengths.
50
Most changers expose a “__ x __” area allowing approximately ___ exposures per roll.
14 x 14, 43
Uses single or cut sheets
of x-ray film for each exposure.
Cut-film changers
Two types of supply magazine
Interweaving, S-stack loading magazine
A type of suppl magazine where each film must be positioned between 2 metals or plastic dividers.
Interweaving
A type of suppl magazine where it has no dividers
S-stack loading magazine
2 types of film changer stand
Mobile Floor Stand, C-arm Mount
In this system the changer is mounted on a frame
with locking wheels.
Mobile Floor Stand
A mount which allows a variety of
positions in which the
changer may be placed.
C-arm Mount
This employs one film changer and one
radiographic tube and has the advantage of excellent film quality over biplane film changer.
Single-Plane Filming
In Single-Plane Filming the X-ray tube and the film changer_____________________ and that two injections are required in an AP and Lat projections.
Needs to be repositioned for the second view
This uses two x-ray tubes in conjunction with two film changers
Biplane Filming
Each unit should be independent of the other, and ____________________
should be
easily placed at right
angles to each other.
