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Automatic Surgery in Transcatheter Aortic Valve Replacement Using Augmented Reality
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Published on: August 9, 2024

Surgical model-view-controller simulation software framework for local and collaborative applications.

Anderson Maciel1, Ganesh Sankaranarayanan, Tansel Halic

  • 1Universidade Federal do Rio Grande do Sul, Instituto de Informática, Porto Alegre, RS, Brazil. amaciel@inf.ufrgs.br

International Journal of Computer Assisted Radiology and Surgery
|August 18, 2010
PubMed
Summary
This summary is machine-generated.

A new software framework enables decoupled surgical simulation, supporting haptic feedback and collaboration in shared virtual environments. This approach enhances performance for complex virtual reality surgery systems.

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Published on: October 1, 2019

Area of Science:

  • Computer Science
  • Virtual Reality
  • Medical Simulation

Background:

  • Surgical simulations necessitate realistic haptic interactions and collaborative capabilities within shared virtual environments.
  • Existing frameworks may struggle with the complexity and performance demands of integrating multimodal virtual environments.

Purpose of the Study:

  • To develop and test a software framework for decoupled surgical simulation using a multi-controller and multi-viewer Model-View-Controller (MVC) pattern.
  • To support the creation of virtual reality-based surgery simulation systems with enhanced haptic feedback and collaborative features.

Main Methods:

  • Designed a software framework for multimodal virtual environments supporting visual interactions and haptic feedback.
  • Implemented a decoupled simulation approach with high update rates (>1,000 Hz for haptics) and tolerance for network delays (>1,000 ms).
  • Provided an integration tool for heterogeneous architectures, prioritizing performance, implementation simplicity, and extensibility.

Main Results:

  • Successfully implemented the software framework for designing virtual reality surgery simulation systems.
  • Demonstrated the framework's capability to handle high complexity and fast haptic response requirements.
  • Validated the framework's efficacy through the implementation of a minimally invasive surgery simulator.

Conclusions:

  • A decoupled simulation framework effectively manages simultaneous processes requiring different frame rates.
  • The framework facilitates the development of collaborative virtual environments for geographically distributed users.
  • Networked collaborative virtual environments achieved results comparable to those for local users.