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See-Through Type 3D Head-Mounted Display-Based Surgical Microscope System for Microsurgery: A Feasibility Study.

Cheol-Hwan Kim1, Seon-Young Ryu2, Ji-Young Yoon3

  • 1Institute of Advanced Convergence Technology, Kyungpook National University, Daegu, Republic of Korea.

JMIR Mhealth and Uhealth
|March 8, 2019
PubMed
Summary

New wearable displays for surgical microscopes reduce surgeon neck and shoulder pain during microsurgeries. This head-mounted display (HMD) system offers improved comfort and advanced functionality for delicate procedures.

Keywords:
3D imaginghead-mounted displaymicrosurgerysurgical microscope

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Area of Science:

  • Surgical technology
  • Medical device development
  • Ergonomics in surgery

Background:

  • Microsurgeries require prolonged, delicate tasks, often leading to surgeon back and neck pain.
  • Existing surgical microscopes with fixed eyepieces contribute to surgeon discomfort.
  • Need for advanced technology, like wearable displays, to improve surgeon posture and functionality.

Purpose of the Study:

  • To develop an innovative surgical microscope system integrated with wearable devices.
  • To create a head-mounted display (HMD) offering 3D surgical images and enhanced comfort.
  • To enable a flexible, comfortable surgical posture and provide a peripheral visual field.

Main Methods:

  • Designed and fabricated a surgical microscope system with a see-through type 3D HMD.
  • Developed image processing software to optimize surgical image quality.
  • Conducted preclinical usability testing with ENT surgical specialists and residents performing mock surgeries.

Main Results:

  • The 3D HMD system showed a trend towards reduced visual discomfort (P=.097).
  • No significant difference in eye fatigue was observed between the HMD and traditional eyepieces (P=.79).
  • Significantly lower posture discomfort, particularly in the neck and shoulder, was reported with HMD use (P=.00083).

Conclusions:

  • A see-through type 3D HMD-based surgical microscope system was successfully developed.
  • Preclinical testing demonstrated the system's potential to reduce surgeon posture discomfort.
  • This HMD system represents a promising advancement for microsurgical techniques.