Monitoring system for the totally implantable ventricular assist system by use of sensors for virtual reality

Tomoyuki Yambe, S. Kobayashi, S. Nanka, Makoto Yoshizawa, K. Tabayashi, H. Takeda, S. Nitta

Research output: Contribution to journalArticlepeer-review

Abstract

For the development of the totally implantable artificial organs, it is an important problem to monitor the conditions of the implantable devices, especially when used in clinical cases. In this study, we used position sensors for the 3-dimensional (3-D) virtual reality (VR) system monitor an implantable artificial heart. The sensors used in the experiments were 3- space Fastrak (Polhemus, USA). The position sensors using electro-magnetic forces were attached to the inner actuating zone. Sensitivity of the position sensors was in the order of around 0.8 mm. By use of these VR position sensors, we could easily detect the six degrees of freedom as x,y,z, and pitch, yaw, roll of these sensors. Experimental evaluation using a model circulation loop and healthy adult goats was performed. Experimental results suggest that our newly developed implantable sensors for monitoring the implantable artificial heart system were useful for sensing driving condition, thus possibly useful for the implantable devices for clinical usage.

Original languageEnglish
Pages (from-to)348-352
Number of pages5
JournalInternational Journal of Artificial Organs
Volume21
Issue number6
Publication statusPublished - 1998 Aug 11

Keywords

  • Implantable artificial heart
  • Position sensor
  • Total artificial heart
  • Ventricular assist device
  • Virtual reality

ASJC Scopus subject areas

  • Bioengineering
  • Medicine (miscellaneous)
  • Biomaterials
  • Biomedical Engineering

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