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Forces exerted during microneurosurgery: a cadaver study

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Forces exerted during microneurosurgery: a cadaver study

Auteurs : Hani J. Marcus [Royaume-Uni, Canada] ; Kourosh Zareinia [Canada] ; Liu Shi Gan [Canada] ; Fang Wei Yang [Canada] ; Sanju Lama [Canada] ; Guang-Zhong Yang [Royaume-Uni] ; Garnette R. Sutherland [Canada]

Source :

The International Journal of Medical Robotics + Computer Assisted Surgery [ 1478-5951 ] ; 2014.

RBID : PMC:4377085

Abstract

Background

A prerequisite for the successful design and use of robots in neurosurgery is knowledge of the forces exerted by surgeons during neurosurgical procedures. The aim of the present cadaver study was to measure the surgical instrument forces exerted during microneurosurgery.

Methods

An experimental apparatus was set up consisting of a platform for human cadaver brains, a Leica microscope to provide illumination and magnification, and a Quanser 6 Degrees-Of-Freedom Telepresence System for tissue manipulation and force measurements.

Results

The measured forces varied significantly depending on the region of the brain (P = 0.016) and the maneuver performed (P < 0.0001). Moreover, blunt arachnoid dissection was associated with greater force exertion than sharp dissection (0.22 N vs. 0.03 N; P = 0.001).

Conclusions

The forces necessary to manipulate brain tissue were surprisingly low and varied depending on the anatomical structure being manipulated, and the maneuver performed. Knowledge of such forces could well increase the safety of microsurgery. © 2014 The Authors. The International Journal of Medical Robotics and Computer Assisted Surgery published by John Wiley & Sons, Ltd.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4377085

DOI: 10.1002/rcs.1568
PubMed: 24431265
PubMed Central: 4377085

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PMC:4377085

Le document en format XML

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<author><name sortKey="Marcus, Hani J" sort="Marcus, Hani J" uniqKey="Marcus H" first="Hani J" last="Marcus">Hani J. Marcus</name>
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<country xml:lang="fr">Royaume-Uni</country>
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<affiliation wicri:level="1"><nlm:aff id="au2"><institution>Department of Clinical Neurosciences, University of Calgary</institution>
<addr-line>Alberta, Canada</addr-line>
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<author><name sortKey="Zareinia, Kourosh" sort="Zareinia, Kourosh" uniqKey="Zareinia K" first="Kourosh" last="Zareinia">Kourosh Zareinia</name>
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<author><name sortKey="Yang, Guang Zhong" sort="Yang, Guang Zhong" uniqKey="Yang G" first="Guang-Zhong" last="Yang">Guang-Zhong Yang</name>
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<author><name sortKey="Marcus, Hani J" sort="Marcus, Hani J" uniqKey="Marcus H" first="Hani J" last="Marcus">Hani J. Marcus</name>
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<p>A prerequisite for the successful design and use of robots in neurosurgery is knowledge of the forces exerted by surgeons during neurosurgical procedures. The aim of the present cadaver study was to measure the surgical instrument forces exerted during microneurosurgery.</p>
</sec>
<sec><title>Methods</title>
<p>An experimental apparatus was set up consisting of a platform for human cadaver brains, a Leica microscope to provide illumination and magnification, and a Quanser 6 Degrees-Of-Freedom Telepresence System for tissue manipulation and force measurements.</p>
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<sec><title>Results</title>
<p>The measured forces varied significantly depending on the region of the brain (<italic>P</italic>
 = 0.016) and the maneuver performed (<italic>P</italic>
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 = 0.001).</p>
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<p>The forces necessary to manipulate brain tissue were surprisingly low and varied depending on the anatomical structure being manipulated, and the maneuver performed. Knowledge of such forces could well increase the safety of microsurgery. © 2014 The Authors. <italic>The International Journal of Medical Robotics and Computer Assisted Surgery</italic>
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Forces exerted during microneurosurgery: a cadaver study

Forces exerted during microneurosurgery: a cadaver study

Source :

Abstract

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