Robotic fetal ultrasonography platform with a passive scan mechanism

Ryosuke Tsumura*, Hiroyasu Iwata

*この研究の対応する著者

研究成果: Article査読

9 被引用数 (Scopus)

抄録

Purpose: The shortage of obstetricians and gynecologists has intensified in developed countries. Our long-term goal is to develop a robotic prenatal care platform for automatic ultrasound (US) scanning to improve the workflow efficiency of obstetricians and gynecologists. This paper develops a hardware platform for the positioning of the US probe to obtain diagnostic US images while satisfying safety requirements of the fetus and pregnant woman. Method: The proposed system includes a mechanism that maintains the contact force in a certain range and passively adjusts the US probe posture relative to the body surface. The system is designed according to clinical survey data. For proof of concept, we conducted a robotic US scan with an agar phantom and three pregnant women under the operation of a physician. Results: Experimental results show the passive US scan motion followed the phantom surface with an acceptable contact force (< 15 N). Clinical trials were safely carried out with observations of fetal body parts. Conclusion: Our proposed platform acquired US images with satisfactory contact forces in the phantom study. The feasibility of the platform was demonstrated in a clinical study.

本文言語English
ページ(範囲)1323-1333
ページ数11
ジャーナルInternational Journal of Computer Assisted Radiology and Surgery
15
8
DOI
出版ステータスPublished - 2020 8月 1

ASJC Scopus subject areas

  • 外科
  • 生体医工学
  • 放射線学、核医学およびイメージング
  • コンピュータ ビジョンおよびパターン認識
  • コンピュータ サイエンスの応用
  • 健康情報学
  • コンピュータ グラフィックスおよびコンピュータ支援設計

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