Assessing suturing techniques using a virtual reality simulator

... medical training began in the late 1980’s In 1991, Satava [24] constructed the first abdominal-surgery simulator, using images of organs created in a simple graphics drawing program This virtual abdomen ... on exactly the same virtual pathology that they would encounter in their patient In 1997, Playter and Raibert [29] have developed an interactive virtual reality surgical simu...

Ngày tải lên: 30/09/2015, 14:23

... Cite this article as: Fong et al., Usability of a virtual reality environment simulating an automated teller machine for assessing and training persons with acquired brain injury Journal of NeuroEngineering ... collected and analyzed data for Part II KNKF, CKKY and WAKY drafted the manuscript All authors read and approved the final manuscript Ackn...

Ngày tải lên: 19/06/2014, 08:20

... 7.0 and materials designed in Maya RESULTS A virtual reality model of surgical superficial facial anatomy was created Included in this model are the superficial musculoaponeurotic system (SMAS), ... designed virtual reality animations to teach cleft palate repair techniques and developed animations that illustrate the biomechanics of eustachian tube dilation as it relates to cle...

Ngày tải lên: 07/03/2014, 17:20

... et al.: Neurorehabilitation using the virtual reality based Rehabilitation Gaming System: methodology, design, psychometrics, usability and validation Journal of NeuroEngineering and Rehabilitation ... position on the table top In each trial every hand and target position is randomly defined by the system The virtual version of the task is identical...

Ngày tải lên: 19/06/2014, 08:20

... this article as: Holper et al.: Testing the potential of a virtual reality neurorehabilitation system during performance of observation, imagery and imitation of motor actions recorded by wireless ... execution (as in traditional motor learning), imitation, observation (as in observational learning) and motor imagery Activation of these b...

Ngày tải lên: 19/06/2014, 08:20

... classical neuropsychological evaluation since paper and pencil materials provide spatial relations mainly from a topdown view In contrast, the integrated approach we have proposed allows an analysis ... guide map Performance time and errors were recorded According to a particularly theoretical orientation, the capability of learning spatial relationships in a large scale environment,...

Ngày tải lên: 19/06/2014, 10:20

... project, virtual reality integrated with haptic feedback was selected as the alternative mode of training for microsurgery In this chapter, the various advantages and disadvantages of a virtual reality ... development of a Virtual Reality (VR) based training system for microsurgery in collaboration with the National University Hospital (NUH) While a realistic e...

Ngày tải lên: 04/10/2015, 15:52

... virtual reality facility for research and rehabilitation of balance disorders In In: Proceedings of the ACM symposium on virtual reality software and technology: 2001; Banff, Alberta, Canada ACM ... that examines the incidence of symptoms while performing coordinated eye and head movement tasks within a virtual grocery store, or using a head mounted display There...

Ngày tải lên: 19/06/2014, 10:20

... design, data analysis and interpretation, and drafted the manuscript SY, YJ, HJ, and LL participated in system design and data analysis MW and SC designed and coordinated the experimental protocol ... paretic hand via a magnetic marker placed either in the palmar surface of a glove or directly onto the dorsum of the hand at the 3rd metacarpal head Both visual and auditor...

Ngày tải lên: 19/06/2014, 10:20

... and balance in a wide range of categories of patients The system allows natural mediolateral APAs to occur across a wide range of gravity- like loads, an important balance related stimulus that ... Ladouceur M, Barbeau H: A treadmill apparatus and harness support for evaluation and rehabilitation of gait Arch Phys Med Rehabil 1995, 76:772-778 Kamel HK, Iqbal MA, Mogallapu...

Ngày tải lên: 19/06/2014, 10:20

... devices available for the PC platform, as opposed to the UNIX platform This also has an important practical advantage in that a much Fig 14.2 VR system architecture wider (and cheaper) range of ... software that exploits the advantages of this new generation of devices Thus, the user interface for CAD programs has remained essentially the mouse/keyboard/menu paradigm The a...

Ngày tải lên: 23/01/2014, 07:20

... increase robustness, the standard grammar has been augmented with a FRAGMENT grammar This grammar parses the sentence as well-formed chunks specied by the grammar, in particular as Ss, NPs, PPs, and ... constraintbased grammars (in contrast to treebank grammars): the symbolic grammar already signicantly restricts/disambiguates the range of possible analyses, giving the...

Ngày tải lên: 23/03/2014, 20:20

... devices to accommodate patients with different levels of impairments, 3) provides unilateral and bilateral training and 4) combines training of the hand and arm into an integrated task-based simulation ... unilaterally or bilaterally and combine proximal and distal training into a single activity or train each segment separately Additionally, it presents information regarding th...

Ngày tải lên: 19/06/2014, 08:20

... rehabilitation Assist Technol 2004, 16:54-62 Sherman W, Craig A: Understanding virtual reality: Interface, application, and design California: Morgan Kaufmann; 2002 Stanney KM: Handbook of Virtual ... Design, Implementation, and Applications New Jersey: Erlbaum Assoc; 2002 Arthur K, Booth KS, Ware C: Evaluating human performance for Fishtank Virtual Reality ACM Transactions...

Ngày tải lên: 19/06/2014, 10:20

... Rose and colleagues studied the transfer of training of a simple sensorimotor virtual task to performance on the "real world" equivalent [22] The real-world equivalent consisted of a curved wire ... juggle virtual balls; 2) a conveyer belt task where the participant is required to turn sideways, pick up a virtual box from a virtual conveyer belt, turn and deposit the box on a second...

Ngày tải lên: 19/06/2014, 10:20