The aim of this paper is to present the implementation approach of on-site and remote experimenting laboratory for ultrasound medical diagnostics curriculum. We demonstrate the implementation of such laboratory using virtual instrument that is built by using a standard computer, a ultrasonic transducer with a tissue like phantom, digitizer, function generator and the software package LabView. B...

In this paper, we make an output quality comparison of haptic media synchronization algorithms in work where a user lifts and moves a virtual object and in a remote haptic drawing system. As a haptic interface device, we use PHANToM DESKTOP or SPIDAR-G AHS in the former work and PHANToM Omni in the latter. We handle five haptic media synchronization algorithms: Virtual-Time Rendering (VTR), Buf...

Software anthropomorphic breast phantoms have been used in virtual clinical trials for preclinical validation of breast imaging systems. Virtual trial quality depends largely on the realism of the simulated breast anatomy. Our phantom design has been focused on the simulation of large-scale and mesoscale anatomical structures, including the breast outline, skin, and matrix of Cooper’s ligaments...

This paper describes a pilot study to evaluate the efficacy of using immersive virtual reality (IVR) to treat phantom limb pain. This work builds upon prior research using a mirror box (in which the amputee sees a mirror image of their remaining anatomical limb in the phenomenal space of their amputated limb) to induce vivid sensations of movement originating from the muscles and joints of thei...

PURPOSE Stereotactic body radiation therapy (SBRT) allows for high radiation doses to be delivered to the pancreatic tumors with limited toxicity. Nevertheless, the respiratory motion of the pancreas introduces major uncertainty during SBRT. Ultrasound imaging is a non-ionizing, non-invasive, and real-time technique for intrafraction monitoring. A configuration is not available to place the ult...

The development of a 3D image guidance environment will significantly enhance the performance of minimally invasive robotically assisted cardiac surgery. We have previously reported early progress on generation of such virtual environment, and linking it with traditional modalities like endoscopy. This paper discusses one aspect of the surgical navigation system: near-real time animation of the...

Phantom limb pain appears where an amputated limb used to be and is often excruciating and almost impossible to treat. Recently, two experiments on hand amputees in the neuroscience area have shown that if a patient has the visual illusion of his phantom hand in a way that he is able to move it, the phantom pain can decrease. We propose a new augmented reality system aiming to experiment this i...

BACKGROUND In radiotherapy treatment planning, intravenous administration of an iodine-based contrast agent during computed tomography (CT) improves the accuracy of delineating target volumes. However, increased tissue attenuation resulting from the high atomic number of iodine may result in erroneous dose calculations because the contrast agent is absent during the actual procedure. The purpos...

The causes underlying phantom limb pain are still unknown. Recent studies on the consequences of nervous system damage in animals and humans reported substantial reorganization of primary somatosensory cortex subsequent to amputation, and one study showed that cortical reorganization is positively correlated with phantom limb pain. This paper examined the hypothesis of a functional relationship...