Bryce T Gillespie

University Center Rochester, Rochester, Minnesota, United States

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Publications (2)5.96 Total impact

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    ABSTRACT: The Vascular Intervention System Training simulator (Mentice AB, Gothenburg, Sweden) consists of a haptics interface unit coupled to a desktop computer running the Procedicus (Mentice AB) simulation software. Real endovascular instruments can be introduced into the haptic interface unit and, by using simulated fluoroscopy, displayed within the vascular anatomy on a computer monitor (Fig 1). On-screen instrument characteristics, such as size, shape, deployment, and retrieval, are simulated. Fluoroscopy is activated by foot pedal controls, and a syringe is used for simulated contrast injection. An additional touch-screen monitor allows for selecting desired instruments and using the simulator’s cine-loop and road-mapping capabilities. Joystick controls allow for table and fluoroscopic C-arm positioning.
    Journal of Vascular Surgery 02/2006; 43(1):47-55. DOI:10.1016/j.jvs.2005.09.035 · 2.98 Impact Factor
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    ABSTRACT: The Vascular Intervention System Training simulator (VIST; Mentice AB) is a device consisting of a personal computer–based software interface (Procedicus; Mentice AB) coupled to a mechanical device (haptics unit) that allows the user to insert and manipulate catheters, wires, stents, balloons, and an embolic protection device (Fig 1, A). The device has the notable ability to provide tactile feedback (eg, resistance when a stiff guide wire is passed around a curve or through a lesion) along with the simulated visual images. Femoral access is simulated, real instruments (wires, catheters, embolic protection device [AngioGuard; Cordis Corp) are used, and separate controllers for simulated stent deployment, balloon inflation, and contrast material injection are provided. Fluoroscopic imaging is simulated and activated with a foot pedal; calculated flow dynamics enable simulation of contrast angiography. User interface functions include table movement, fluoroscopic C-arm positioning, catheter and wire selection, cine-loop recording, roadmapping, and a measuring tool. The anatomic model is a 3-dimensional graphic reconstruction created by loading actual patient data (computed tomography [CT] scans) into the computer, enabling patient-specific simulation to be performed. The software uses this reconstruction to define the physical boundaries of the vascular tree. Specific lesions such as stenoses may be added to the model afterward. Thus 1 reconstruction of the aortic arch and major branch vessels can be used to create several different lesions in various locations. A CT scan may be sent to the company (Mentice AB) in digital format (CD-ROM) for uploading onto the simulator. This process may ultimately use a high-speed internet connection to transfer CT scans to the company. The turnaround time for uploading a new CT scan can be as little as 48 hours.
    Journal of Vascular Surgery 01/2005; 40(6):1118-25. DOI:10.1016/j.jvs.2004.08.026 · 2.98 Impact Factor