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A Kinect(™) camera based navigation system for percutaneous abdominal puncture.

Deqiang Xiao1, Huoling Luo, Fucang Jia

  • 1Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, People's Republic of China. Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen, People's Republic of China.

Physics in Medicine and Biology
|July 13, 2016
PubMed
Summary
This summary is machine-generated.

This study developed an optical navigation system using the second-generation Kinect™ for image-guided percutaneous abdominal puncture. The new system demonstrated superior accuracy compared to the first-generation Kinect™, showing potential for clinical use.

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Area of Science:

  • Medical Imaging
  • Surgical Navigation
  • Interventional Radiology

Background:

  • Percutaneous abdominal puncture is a key technique for managing abdominal tumors.
  • Image guidance enhances targeting accuracy in interventional procedures.
  • Advancements in optical sensing technology offer new possibilities for surgical navigation.

Purpose of the Study:

  • To develop and evaluate an optical navigation system for percutaneous abdominal puncture using the second-generation Kinect™.
  • To compare the needle insertion guidance performance of the second-generation Kinect™-based system with the first-generation Kinect™.
  • To assess the feasibility and accuracy of the system in phantom and in vivo animal models.

Main Methods:

  • Developed an optical navigation system integrating preoperative CT and intraoperative Kinect™ depth images.
  • Employed an iterative closest point (ICP) algorithm for physical-to-image registration.
  • Utilized a 2D shape image-based correspondence searching algorithm for initial positioning.
  • Conducted evaluation experiments on an abdominal phantom and six beagles in vivo.

Main Results:

  • Phantom study: Target Positioning Error (TPE) was 5.23 ± 2.29 mm. No significant difference in TPE based on operator skill or trajectory.
  • Phantom study: Target Registration Error (TRE) with Kinect™ V2 (4.26 ± 1.94 mm) was significantly lower than with Kinect™ V1 (TRE not specified but stated as significantly larger).
  • In vivo animal study: TPE for artificial liver tumors was 6.40 ± 2.72 mm.

Conclusions:

  • The developed Kinect™ V2-based optical navigation system provides acceptable accuracy for percutaneous abdominal puncture.
  • The second-generation Kinect™ offers superior navigation performance compared to the first-generation Kinect™.
  • The system shows promise for clinical application in image-guided abdominal interventions.