Artis Systems: Peristepping and Perivision Video
This video demonstrates the workflow for performing Peristepping and Perivision acquisitions on Artis systems.
Test phase: 05:10
Return phase/mask phase: 06:18
Fill phase: 07:50
End of acquisition: 09:00
Welcome to the Perry stepping and Perry Vision acquisition workflow video. This video will demonstrate how to perform Perry stepping and Perry Vision acquisitions using your artist system. The stepping acquisition technique is designed for imaging long structures, typically in vascular studies. The lower extremities for evaluation of arterial or venous flow dynamics are imaged. Perry stepping is a linear step acquisition series in native display, also known as Der Stepping. Perry Vision is a linear step acquisition series with digital subtraction angiography DSA. The information in this video relates to Perry stepping and Perry Vision acquisitions with the following system requirements. Artist systems with software version Pure VD 11 or higher. Depending on your system type, either the stand or the table will step during the acquisition. Prior to starting any peripheral acquisitions, make sure that the patient position is correctly entered and ensure that the stepping path is free from all obstructions. Check that the stepping path is free from all persons and objects. Ensure that the patient's arms are secured. Position Ivy lines in breathing tubes away from the stepping stand, or in the case of a stepping table, ensure that all lines will accommodate the table movements. Immobilized the lower extremities. Position the injector tubing so that it is not obscuring any part of the region of interest, and ensure that the tubing is long enough to accommodate the table travel. The injector head, if attached to the accessory rail, should be positioned below the last step. It is important to consider the patient height and the image coverage required for the Steping acquisition. If the patient is extremely tall prior to prepping the patient, perform a test run of the stand or table to ensure that there is adequate imaging coverage. If full coverage is not possible, consider changing the table top to the long table top or to place the patient on feetfirst feet positioned at the table headend. If the patient position is changed, be sure to correct this in the system. Additionally, the running direction should be verified in the acquisition protocol. Perry stepping and Perry Vision acquisitions are required with the C arm position lateral to the table. If you are working with the biplane system, first move the plane BC arm to the parking position. With biplane systems, the plane B must remain in the dedicated parking position until the acquisition is completed. If the stand see Arm is not already positioned in an appropriate system position, for example, left side select the position from the system position list and perform the automatic drive until the system has reached this position. When using the automatic drive, follow the guidance messages on the exam room display. Perform a brief fluoroscopy and check that the measuring fields in collimation are set appropriately. Add filters as required. To reduce image magnification, increase the essaidi source to image distance and position. The detector is closest possible to the patient without coming into contact with the patient. First, raise the detector to increase the essaidi. Then raise the table to position the patient close to the detector. Press on the table, lift key on the table control module to increase the table height. Prior to selecting the acquisition protocol, check the frame rate and the running direction of the acquisition. Select the Parry stepping Perry Vision acquisition protocol. In the exam tab on the Touch screen control TSC in the exam room. The star position for the stepping acquisition is determined by the position of the see Arm when the stepping protocol is selected. If you are performing a peripheral Perry stepping or Perry Vision acquisition, the acquisition Startpoint depends on whether you would like to demonstrate the arteries or the veins. For arterial filling position the system start position in the proximal region of interest. For example, the pelvis. For venous filling position the system start position in the distal region of interest. For example, the feet. The first phase of the acquisition is the test phase. During the test phase, you designate the starting position plus the number of steps to the ending position. At each step, the care graphics will be displayed, indicating the measuring field, filters and collimation that may have been previously applied. These can be modified based on the anatomical need at each step. Perform fluoroscopy briefly to confirm that the anatomy is properly located within the field of view and adjust the patient as necessary. During the test phase, the message Perry test phase appears on the exam room display. Guidance messages are available on the exam room display. Press on the stand. See arm joystick and deflect the joystick in the running direction. The movement is carried out step by step in the running direction. Keep the joystick deflected. The movement stops automatically at each defined step. The acquisition phases require the use of the hand switch and optionally, the footswitch. During the acquisition phase, is it is important that the exposure switch or acquisition pedal remains engaged until the end? The multi functional button on the hand switch triggers his system when to move. In Perry stepping acquisitions, the test phase is followed by the return phase. In Perry Vision acquisitions, the test phase is followed by the mask phase. You trigger the return phase of Parry stepping acquisition by briefly pressing on the multi functional button on the hand switch. The system drives the see ARM or the table to the start position depending on your system. During the return phase and Perry stepping no X Ray is released. To trigger the mask phase and Perry Vision, Press on either the acquisition button on the hand switch or press on the acquisition pedal on the Footswitch. The system will create a mask image at the current end position, then automatically move to the next position and create a mask image, continuing until the start position is reached. During the mask phase, the message Perry Mask phase is displayed on the exam room display. In both Perry stepping and Parry, vision injection is started when the system returns to the start position. Keep the exposure release button or pedal pressed until the acquisition is completed in the final position. Depending on the catheter location and or whether this will be a der or DSA acquisition, an X-ray delay may need to be applied on the injector. If the injector is armed and synced with the imaging system, the injection is automatically triggered when the system is in the start position. If you are manually triggering the injection actuated, the release button of the injector, the contrast images are required immediately in the start position. Watch the vessels fill with contrast medium on the screen. When the vessels are approximately 2/3 filled with contrast, press the multi functional button on the hand switch to activate the system movement to the next position. During the fill phase, the message Perry fill phase appears on the exam room display. The acquisition is complete when you release the exposure Switch or acquisition pedal. If the acquisition scene time is reached. At the end of the acquisition, a message appears on the exam room display Perry completed. When the Perry acquisition is finalized, the Perry acquisition program is automatically deselected, and a 2D acquisition program is selected by default. The Steping series images are available for review immediately after the acquisition.
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