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Design of a Novel Flexible Endoscope-Cardioscope

[+] Author Affiliations
Zheng Li

The Chinese University of Hong Kong, Hong Kong

Min Zin Oo, Varun Nalam, Vu Duc Thang, Haoyong Yu, Hongliang Ren, Theodoros Kofidis

National University of Singapore, Singapore

Paper No. DETC2015-46123, pp. V05BT08A001; 7 pages
doi:10.1115/DETC2015-46123
From:
  • ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5B: 39th Mechanisms and Robotics Conference
  • Boston, Massachusetts, USA, August 2–5, 2015
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5713-7
  • Copyright © 2015 by ASME

abstract

In this paper, we present a novel flexible endoscope which is well suited to minimally invasive cardiac surgery (MICS). It is named ‘the Cardioscope’. The Cardioscope is composed of a handle, a rigid shaft, a flexible section and the imaging system. The flexible section is composed of an elastic tube, a number of spacing discs, a constraint tube and four tendons. Compared with other flexible endoscopes, the Cardioscope is much more dexterous. The maximum bending angle of the Cardioscope is 190°. Ex-vivo tests show that the cardioscope is well suited to (MICS), it provides much larger scope of vision than rigid endoscopes and provides good manipulation inside the confined environment. In the test, the Cardioscope successfully explores the full heart through a single hole, which shows the design is promising. Despite it was designed for MICS, the Cardioscope can also be applied to other minimally invasive surgeries, such as laparoscopy, neurosurgery, transnasal and transoral surgery.

Copyright © 2015 by ASME
Topics: Design , Endoscopes

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