Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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Development of Head Mounted Display Interface System for Controlling Wireless Capsule Endoscope

무선 캡슐내시경 조종을 위한 머리부착형 디스플레이 인터페이스 시스템의 개발

  • Young-Eun, Hwang (Department of Health Sciences and Technology, Gachon Advanced Institute for Health Sciences & Technology (GAHIST), Gachon University) ;
  • Young-Don, Son (Department of Health Sciences and Technology, Gachon Advanced Institute for Health Sciences & Technology (GAHIST), Gachon University )
  • 황영은 (가천대학교 가천융합의과학원) ;
  • 손영돈 (가천대학교 가천융합의과학원)
  • Received : 2022.10.21
  • Accepted : 2022.12.12
  • Published : 2022.12.31
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Abstract

The present study proposed a new interface system for capsule endoscopy by using head mounted display (HMD) device, which can control the orientation of the capsule endoscope with electromagnetic actuator (EMA) system. The orientation information of the HMD user was detected by the gyroscope sensor built into the device and then calculated to as an angle increment using Unity Engine compiler. The measured angle changes from the HMD were converted to the current values of the corresponding coils to be changed in the EMA system. Two experiments were designed to measure the accuracy and the intuitiveness of the HMD interface system. In the angle accuracy measurement, the capsule endoscope driven by HMD interface system showed the averaged errors of 0.68 degrees horizontally and 1.001 degrees vertically for given test angles. In the intuitiveness measurement, HMD interface system showed 1.33 times faster manipulation speed rather than the joystick interface system. In this respect, the HMD interface system for capsule endoscopy was expected to improve the overall diagnostic environment while maintaining comfort of patients and clinicians.

Keywords

Acknowledgement

본 연구는 보건복지부의 재원으로 한국보건산업진흥원의 보건의료기술연구개발사업 지원(HI19C0656030022)과 2019년도 가천대학교 교내연구비 지원에 의해 이루어진 것임(GCU-2019-0712).

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