Robotic Needle Positioning Based on CT-Scan Images: Constrained Admittance Realization

Hamid Sadeghian, Maryam Barkhordari, Zahra Kamranian, M. Saleh Jafarpisheh

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

In this paper, the application of a robotic arm for needle-based medical interventions under a preoperative CT-scan is investigated. The proposed setup consists of a robot manipulator with a customized needle guide mounted on its end-effector. A workflow that considers all the issues related to the registration and needle positioning algorithms is proposed. The so-called constrained admittance control approach is proposed to provide semi-autonomous positioning of the needle guide on the target path based on CT-scan images. The proposed algorithms are verified experimentally through phantom studies.

Original languageEnglish
Article number2150001
JournalJournal of Medical Robotics Research
Volume5
Issue number3-4
DOIs
StatePublished - Sep 2020
Externally publishedYes

Keywords

  • admittance control
  • impedance control
  • Robotic needle positioning

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