I-48: Ultrasound Deformable Model for Virtual Surgery Simulation of Oocyte Retrieval in Infertility Programs
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Abstract:
Background The use of a medical simulator should enhance the goals of minimally invasive surgery: patient safety, cosmesis, shortening the length of hospital admissions, and reducing cost. Using an innovative approach to the handling of ultrasound images in virtual reality simulation, this article describes a process that employs a hybrid model of deformable models that can be applied in the teaching and practice of oocyte retrieval in infertility programs. Materials MaterialsAndMethods Oocyte aspiration is modeled using a spline mass model by which the collapse of tissue during needle insertion can be modeled using tensor mass models. Organ incision can be modeled using a mass-tensor type model in the incision area and the remainder of the organ can be modeled employing a tensor pre-computation approach. The interface between the two can be designed to comply with the finite element method (FEM)-type method. The displacements of the common nodes shared by both models are hence imposed by the mass-tensor model, which, in turn, receives the resulting forces as its input. Results Analogous to the relationship between robotics and simulation, the present innovation of simulation can be applied to the simulation of ultrasound guided surgeries. Conclusion The goals of laparoscopic surgery will only be achieved if gynecologic surgeons choosing this less invasive approach have the requisite expertise. We believe that the use of this ultrasound deformable model for virtual surgery, will contribute to the attainment of these skills and improved clinical outcomes.
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Journal title
volume 9 issue 2
pages 23- 23
publication date 2015-09-01
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