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Device for simulating soft tissue deformation and simulation system

A soft tissue and mesh deformation technology, applied in the field of soft tissue deformation simulation devices and simulation systems, can solve the problems of reducing calculation scale, loss of calculation accuracy, and increase of time required for calculation, so as to reduce costs, improve success rate, The effect of cutting path freedom

Pending Publication Date: 2022-03-25
SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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Problems solved by technology

If the simulation accuracy of visual rendering and force feedback rendering is to be improved, the calculation scale will be large, and the time required for calculation will increase; if the real-time performance of the simulation system for visual feedback and force feedback rendering of surgical operations is to be satisfied, loss calculation is required accuracy to reduce the computational scale

Method used

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  • Device for simulating soft tissue deformation and simulation system
  • Device for simulating soft tissue deformation and simulation system
  • Device for simulating soft tissue deformation and simulation system

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0031] The terms "first" and "second" herein are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

[0032] In the descript...

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Abstract

The invention discloses a device for simulating soft tissue deformation and a simulation system. The real-time performance and the rendering authenticity of the simulation system are well balanced through a local deformation algorithm and operation area grid optimization, puncture and cutting simulation of any area of soft tissue can be achieved, and therefore the effect that puncture sites and cutting paths are free is achieved; and the soft tissue deformation process generated by the virtual operation is quickly simulated, so that vivid visual rendering and mechanical feedback are realized, and the requirements of the virtual operation are met.

Description

technical field [0001] The present application relates to the technical field of virtual reality, in particular to a device and a simulation system for simulating soft tissue deformation. Background technique [0002] Virtual reality (VR for short) technology is interactive, immersive and conceived. The craniofacial surgery simulation system developed based on VR technology can assist clinical practice in many aspects, such as surgical plan design, postoperative facial shape prediction, surgical teaching, and practical training. Compared with the traditional clinical teaching and practice process, the virtual surgery simulation system has the advantages of high efficiency, economy and convenience, and has broad development prospects in the medical field. [0003] Most of the craniofacial surgery simulation systems that have been developed so far only have bone tissue models and surgical operation simulation. For individual simulation systems with soft tissue models, the so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/20G06T19/00A61B34/10
CPCG06T17/20G06T19/006A61B34/10A61B2034/108
Inventor 于洪波程梦佳庄瑜沈舜尧王旭东
Owner SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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