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Surgical Simulation: PCI Modules for the CathLabVR™ System
The PCI Coronary Interventions module includes 10 virtual reality medical
cases that allow the user to practice navigating different sizes and shapes
of catheters over the aortic arch and into the respective left or right
coronary artery. The simulated surgeries include various aortic arch sizes
such as dilated aortas, different coronary artery structure, and different
types of arterial lesions, both calcified and non-calcified. Intentional
or accidental complications such as dampening at the ostia, dissections,
perforations, or stent embolization due to undersizing are also possible.
Virtual Reality Medical Education
Due to the different anatomical variations of the virtual patients, users
may need to select a different guide catheter, guidewire, and/or balloon
or stent to improve the success of navigating to the desired location
and manipulating the lesion(s).
For successful completion of the virtual surgery, the user should carefully
dilate the intended lesion(s) to improve flow to the coronary artery and
then instill contrast through the dilated lesion(s) to verify anticipated
flow to the remainder of the coronary tree. All delivery instruments,
including balloons, stents, and wires, should be carefully withdrawn to
minimize complications such as dissections or perforations.
Realistic Medical Simulation
The 3D heart model incorporates three different aortic arches —
small, normal range, and dilated. Additionally, the calcified and non-calcified
lesions are distributed throughout the anatomies. The clinician will visualize
and feel the lesions as they navigate devices through them and will also
feel dilated balloons and stents wedged within the anatomy. Additionally,
realistic scenarios such as buckling of the catheter — either due
to it being an inappropriate shape or size for the coronary ostia or because
of the inability of the coronary arteries to provide enough support for
successful navigation of a wire — adds to a realistic level of complexity.
Objective Evaluation
After the case is completed, the user can examine the surgical simulator’s
Metrics, or evaluation, page to view objective criteria tracked during
the case, including total fluoroscopy time, final placement, whether complications
were elicited and addressed appropriately, as well as percentage of lesion
opening compared to pre-procedure status, and if the entire lesion length
was covered by the stent.
The PCI module also includes cases for advanced
coronary interventions.
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