Medrad Mark 7 Arterion, Operation Manual

Page: 73 / 162

Arming and Injecting
11 - 65
NOTE:
The system will stay armed until:
• the user presses Disarm .
• any Injector Head button is pressed.
• a reverse piston motion of greater than 2 mL occurs via the manual knob.
• the drop front is lowered.
• the head is rotated out of the Inject position.
• a start switch is connected or disconnected.
• a 30 minute time-out occurs.
• ISI signals a disarm.
4.
The Armed Light illuminates solid and the system is ready for injection. For more information,
refer to
"11.3-Performing an Injection" .
11.3 Performing an Injection
The Mark 7 Arterion Injection System can perform Fixed Flow Rate and Variable Flow Rate injections.
For Fixed Flow Rate, Arm Single mode injections, the injector disarms after the injection is complete or
an operator releases the hand switch, foot switch, or Imaging System start switch. For Fixed Flow Rate,
Arm Multi mode injections and Variable Flow Rate injections, the injector remains armed until one of
the disarm criteria are met.
NOTE:
Ensure the fluid path is open before performing an injection.
11.3.1 Performing a Single mL/s Injection in Arm Single Mode
NOTE:
The term start switch in this section is used to refer to the hand switch, foot switch
or hand controller.
1.
Press and hold the start switch to start the injection, and continue holding until the injection
is complete.
The system stops injecting and disarms when:
•
the programmed volume is delivered, or
• the operator releases the start switch, or
• the operator presses the Display Control Unit screen or Injector Head controls.
During the injection, the Injection Indicator displays below the syringe graphic and the Armed
Light flashes.
2.
Go to "11.4-Completing an Injection" .
11.3.2 Performing a Single mL/m Injection in Arm Single Mode
NOTE:
The term start switch in this section is used to refer to the hand switch, foot switch
or hand controller.
1.
Press and release the start switch to start the injection.
The system stops injecting and disarms when:
•
the programmed volume is delivered, or
• the operator presses and releases the start switch again, or
• the operator presses the Display Control Unit screen or Injector Head controls.
During the injection, the Injection Indicator displays below the syringe graphic and the Armed
Light flashes.
2.
Go to "11.4-Completing an Injection" .
11.3.3 Performing a Single mL/s or Variable Flow Rate Injection in Arm Multi Mode
NOTE:
The term start switch in this section is used to refer to the hand switch, foot switch
or hand controller.
1.
Press and hold the start switch to start the injection, and continue holding until the injection
is complete.
The system stops injecting and remains armed when: