Our system, P-ARTISTM, is a
comprehensive and fully integrated solution to treat patients with protons. The
P-Cure Solution includes
diagnostic quality volumetric imaging, robotic
positioning system, patient support systems, real time x-ray imaging, operating
panels, and workstations. The patient-centric solution communicates with the
accelerator and pencil beam scanning nozzle by means of P-Cure’s treatment
volumetric imaging integrates the Philips Imaging Technology. The system is
equipped with the Brilliance Big Bore CT integrated into the uniquely designed
sliding system. The setup enables scanning a patient in the treatment position
while keeping the patient stationary. The scanner has 85 cm opening size
suitable for scanning, and then treating, oncology patients. The scanner is
installed with P-Cure’s special software capabilities for low dose scanning.
The mode enables generation of high quality images while exposing the patients
to only 20% of the standard radiation level. This is
particularly important for imaging children. The scanning system supports
both helical and axial modes with fast image acquisition. The images can be
used for treatment planning, for positioning, and for adaptive therapy.
A robotic patient positioning system, with 6 degrees of freedom is integrated
P-ARTISTM design. The base of the robot is placed on
the floor with no need in preparing the pit. The reach of the distal arm
enables the positioning of the patient:
- In seated positions
- In laying positions
- at imaging setup
- at treatment isocenter
The positioning device distal unit also plugs and plays the patient
support systems (chair or couch). This is achieved by using an electric load
cell that exchanges the patient supports automatically.
The heart of the image guided positioning is the P-Cure positioning
software. The software receives both the 3D and 2D imaging information and
computes the positioning offset. The imaging information, imported via DICOM
- 3D CT dataset
- 2D X-ray images
The software is equipped with the fast performing 3D and 2.5
alignment algorithms that align the imaging data within seconds and present the
positioning information on the monitor of the workstation. The alignment can
use either the entire image or the defined volume of interest. The alignment
may be performed manually or automatically. The automatic accuracy of the
alignment reaches +/- 1 mm.
The positioning accuracy is expected visually by using various
visualization tools such as:
- Spy glass
- Checker board
- Split line
- Color blend
is complaint with DICOM RT standards.
The system generates imaging and positioning information and makes certain that
the patient is positioned at the isocenter in orientation defined by treatment
(or session) management system.
positions the patient at a setup beam
and/ or gantry angle beam positions.
capable of signaling the operator if the patient positioning exceeds the allowed
tolerance during the treatment. In the latter scenario, the position of the
patient may also be corrected automatically.
Once the patient is positioned in the
desired position, P-ARTISTM enables the treatment management
system to begin the treatment. In addition, P-ARTISTM
supplies oncology information system (or similar software solutions) with
imaging and positioning information. The information is used for keeping the
treatment records and for off line analysis.
The system communicates with the Pencil Beam Scanning System. It allows to deliver the optimal dose distribution in a few minutes of the treatment. The treatment field size is as great as 40 x 40 cm.