著者

森田 一平 小渕 千絵 Lem Wey Guan 永代 友理 香山 綾子 斎藤 季 小山 博史

出版者

日本VR医学会

雑誌

日本VR医学会学術大会プログラム・抄録集 第19回 日本VR医学会学術大会 (ISSN:21883491)

巻号頁・発行日

pp.18, 2019 (Released:2020-08-31)

著者

香山 綾子 Lem Wey Guan 斉藤 季 小渕 千絵 小山 博史

出版者

日本VR医学会

雑誌

日本VR医学会学術大会プログラム・抄録集 第20回 日本VR医学会学術大会 (ISSN:21883491)

巻号頁・発行日

pp.24, 2021 (Released:2021-10-20)

著者

佐藤 咲樹 リム ウィグァン 永代 友理 斎藤 季 香山 綾子 金井 Pak 雅子 小山 博史

出版者

日本VR医学会

雑誌

日本VR医学会学術大会プログラム・抄録集 第19回 日本VR医学会学術大会 (ISSN:21883491)

巻号頁・発行日

pp.23, 2019 (Released:2020-08-31)

著者

藤原 道隆 岩田 直樹 三澤 一成 丹羽 由紀子 高見 秀樹 田中 千恵 小寺 泰弘

出版者

日本VR医学会

雑誌

VR医学 (ISSN:13479342)

巻号頁・発行日

vol.16, no.1, pp.1-14, 2020-01-10 (Released:2021-02-05)

参考文献数

46

被引用文献数

1 1

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It has been about 20 years since the commercial use virtual reality (VR) surgical simulator was launched. We have used VR surgical simulator for surgical education from early stage. At present, the weight of the VR simulator in current surgical education is lower than initially expected. This has been mainly due to the discord between the expectation for the functions of the VR simulator of the coaching surgeon and the actual use of the VR simulators without essential comprehension of simulation training. In addition, the focus of developers of the VR simulators has been besides the points. In this article, we summarize the situation of VR simulator so far, and describe the future measures of surgical training using VR simulators more effectively from the view point of clinician.

著者

佐藤 咲樹 Lem Wey GUAN 永代 友理 斎藤 季 香山 綾子 柏木 公一 金井Pak 雅子 小山 博史

出版者

日本VR医学会

雑誌

VR医学 (ISSN:13479342)

巻号頁・発行日

vol.17, no.1, pp.15-22, 2020-12-01 (Released:2021-11-22)

参考文献数

20

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Background: Nurses must make accurate decisions when caring for patients, even when multitasking. A wrong decision may endanger life. Student nurses are responsible only for single patients during their clinical practice. New graduates have minimal experience with multitasking. We developed a virtual reality (VR) multitasking simulation and evaluated its effectiveness. Methods: Student nurses prioritized tasks when caring for patients. We performed a randomized control trial enrolling senior nursing students who were randomly divided into two groups; thus, an interventional group (13 students) and a control group (performing a paper-based exercise; 14 students). The educational outcomes were measured by asking multiple-choice questions. Subjective confidence was assessed using a Visual Analog Scale. Results and Discussion: The educational outcomes did not differ significantly between the two groups. Subjective confidence was significantly higher in the intervention than in the control group. Conclusion: Although the VR simulation did not improve education, it significantly increased subjective confidence.

著者

庄野 直之 金 太一 斉藤 雄介 斎藤 季 斉藤 延人 小山 博史

出版者

日本VR医学会

雑誌

VR医学 (ISSN:13479342)

巻号頁・発行日

vol.13, no.1, pp.20-26, 2015-11-10 (Released:2016-11-30)

参考文献数

17

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BACKGROUND: Subarachnoid hemorrhages may occur spontaneously from a ruptured cerebral aneurysm. The placement of clips around the neck of the aneurysm (clipping) is one of the very common surgical treatments. However, clipping is a challenging surgery for most neurosurgeons. To help support the surgeon’s decision-making process and preoperative surgical planning, we developed a VR clipping simulator (ClipSim).METHODS: High definition 3DCG models such as aneurysms, arteries, and brain were segmented by Amira® software (FEI, Hillsboro, OR) and surgical clips were modeled by Maya® software (Autodesk, San Rafael, CA). These models were integrated and simulated into Unity® (Unity Technologies, San Francisco, CA) software.RESULTS: We successfully developed a real-time, interactive, clipping simulator with an aneurysm deformable model used by PhysX real-time physics engine (Ageia, Santa Clara, CA). In conclusion, the simulator may be useful prior to surgery during the surgeon’s decision making process for selecting the most appropriate clips.

著者

向井 信彦 原田 雅之 小山 博史

出版者

日本VR医学会

雑誌

VR医学 (ISSN:13479342)

巻号頁・発行日

vol.1, no.1, pp.72-77, 2002 (Released:2013-01-25)

参考文献数

6

被引用文献数

2 1

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This paper describes the architecture of real-time surgical simulators. First of all, a high performance graphics workstation based real-time simulation so that it could supply the user demand; however, there remained one problem of the cost. Then, the next simulator was developed with a personal computer in order to reduce the system cost and also new software simulating another surgery case was developed. Especially, the cost of a stereo display and haptic devices, both of which were the core components of the system and occupied the large ratio of the cost, were reduced by specifying the functions of them for ocular surgery. As a result, we succeeded in establishing a simulator that could supply the user demand of boty functions and the cost. Therefore, it has been tried to develop a neurosurgery simulator with the same components as that of the ocular surgery one. Although it remains the problem of haptic display, it is found that the specification of the stereo view can apply to not only ocular surgery but aloso neurosurgery simulators.

著者

足立 吉隆 秦 洋介 寺田 尚史 長坂 学

出版者

日本VR医学会

雑誌

VR医学 (ISSN:13479342)

巻号頁・発行日

vol.6, no.1, pp.4-10, 2008 (Released:2013-06-27)

参考文献数

6

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Surgical simulator reconstructs the deformation and the elasticity of the organs by software algorithm. As this calculation is complicated, phase-lags or the sudden elasticity would arise when we press the surface of the organ models with our fingertips. In this paper, we propose a method to solve these problems by correcting the computing time delay using the nonlinear estimation of the finger position and smoothing the elasticity value using the cubic spline interpolation. Further, experiments by simulation carried out to ensure the validity of this method.