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RT 209 > 10. Automatic Processor > Flashcards

10. Automatic Processor Flashcards

1
Q

standardize
the processing of radiographs with
consistency and efficiency

A

Automatic processing units

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2
Q

“Dry to dry” system

A

Automatic processing units

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3
Q

first automatic processor was

introduced by Pako

A

1942

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4
Q

transport roller were by

Eastman Kodak Company

A

1956

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5
Q

90 second rapid processing by

Eastman Kodak Company

A

1965

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6
Q

Konica introduce 45 second

automatic processing

A

1987

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7
Q

Requirements for automatic processor

A
  1. Control of temperature
  2. Agitation of chemical solutions
  3. Replenishment
  4. Minimum spilling of chemicals as film
    moves from tank to tank
  5. Transportation of film through system
    remains constant
  6. Time-temperature relationship
  7. Compact in size
  8. Strategic placement
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8
Q

Higher temperature, ____ the

processing

A

faster

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9
Q

As the rollers move, it will ____

the chemicals within tank

A

agitates

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10
Q

replace the used chemicals or
exhausted chemicals to maintain its
strength. Overtime, it can jeopardized
the quality of the image

A

Replenishment

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11
Q

Special chemical hardener added to
developer solution in automatic
processing

A

Glutaraldehyde

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12
Q

Time-temperature relationship

A

22 to 24 seconds at 92 to 94

degrees Fahrenheit

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13
Q

Systems that compose the automatic processor

A
  1. Transport system
  2. Recirculation system
  3. Replenishment system
  4. Wash system
  5. Dryer system
  6. Electrical system
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14
Q

Moves the film through the

processor

A

Transport system

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15
Q

steer film movement

A

Rollers

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16
Q

rollers and guide shoes to move

and change direction of film

A

Transport rack

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17
Q

Roller assembly

A

o Transport rollers
o Master rollers
o Planetary rollers

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18
Q

o 1 inch in diameter
o Positioned opposite to each other
o Positioned offset from one another

A

Transport rollers

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19
Q

o 3 inches in diameter

o Also known as “solar” roller

A

Master rollers

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20
Q

Number of rollers that surrounds the

master rollers

A

Planetary rollers

21
Q

o Most transport rollers are positioned
o They are easily removable and provide
for convenient maintenance and
efficient cleaning of the processor

A

Transport rack assembly

22
Q

Turn the film around in the bottom of

the tank

A

Turn-around assembly

23
Q

Moves the film from one tank to

another tank

A

Crossover assembly

24
Q

Special devices that guide the film to

change direction

A

Guideshoes

25
Q

For a 180 degrees bending of film

A

Guideshoes

26
Q

Squeeze the excess developer from the

wet film emulsion

A

Squeegee assembly

27
Q

Transfer power to transport rack and

drive the rollers

A

Drive system

28
Q

Used to connect the mechanical energy
of the drive motor to drive mechanism
of the rack assembly

A

Drive system

29
Q

Drive system

A

o Belt and pulley
o Chain and sprocket
o Gears

30
Q

Provides continuous mixing of the

chemicals

A

Recirculation system

31
Q

Recirculation system is composed of

A

o Heater
o Thermostat
o Filters

32
Q

Adds solution to the developer and fixer

as each film is processed

A

Replenishment system

33
Q

The shorter dimension of the film
should always be against the side rail to
maintain proper replenishment rate

A

Replenishment system

34
Q

Activates the pump that sends

replenisher solution to the tank

A

Microswitch

35
Q

Replenishment rate

A

60 to 70 mL of developer and 100 to
110 mL of fixer for every 14 inches of
film

36
Q

Usually used in mammographic imaging
in mammography and also in dental
imaging

A

Small processors

37
Q

Usually used in big hospitals that has

many patients since it is heavy duty

A

High volume unit processors

38
Q

Removes excess chemicals

A

Wash system

39
Q

Blows hot air across the surface of the

film to enhance drying on the surface

A

Dryer system

40
Q

Consists of blower, ventilation ducts,

drying tubes and exhaust fan

A

Dryer system

41
Q

Temperature of air is approximately

A

110 and 120 degrees Fahrenheit -Dryer system

42
Q

Distributes fused power to each system

A

Electrical system

43
Q

Maintaining the processing unit

A
  1. Routine checks and cleaning of the
    transport rollers by lifting the racks of
    the tank
  2. Careful examination and adjustment of
    guideshoes
  3. Cleaning and replacement of filters
    throughout the processor unit
44
Q

Processing as low as 30 seconds

A

Rapid processing

45
Q

Usually used in angiography
procedures, emergency, surgery, special
procedures where time is critica

A

Rapid processing

46
Q

3 minute processing time, usually used

in mammographic procedures

A

Extended processing

47
Q

Extended processing

2 principal advantages

A
  • Greater image contrast

- Lower patient dose

48
Q

Eliminates the need of darkroom

A

Daylight processing

49
Q

Total load, unload and processing time

is 2 minutes

A

Daylight processing

RT 209 (11 decks)

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