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A device mimicking the biomechanical characteristics of crocodile skull for lumbar fracture reduction

Li, J; Guo, L; Li, Y; Lei, Z; Liu, Y; Shi, W; Li, T; ... Liu, C; + view all (2016) A device mimicking the biomechanical characteristics of crocodile skull for lumbar fracture reduction. Bioinspiration & Biomimetics , 11 (5) , Article 056004. 10.1088/1748-3190/11/5/056004. Green open access

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Abstract

Open surgery is currently the main treatment method for the lumbar burst fracture with neurological deficit but may irreversibly disrupt the lumbar anatomy. The minimally invasive surgery (MIS) techniques have recently gained increasing attention. However, their use is still limited to lumbar burst fractures mainly due to their difficulties in burst fracture reduction and decompression. Here we present a novel bio-inspired MIS device which can be used with an endoscope to reset the bone fragments retropulsed into the spinal canal within the wounded vertebral body. Its head jaw mimics the biomechanical characteristics of a crocodile rostrum to improve the performance in gripping and moving bone pieces in the confined space of a vertebral body. This study may be capable of converting the posterior open surgeries to the MIS procedures, and expands the use of the MIS techniques in the treatment of lumbar burst fractures.

Type: Article
Title: A device mimicking the biomechanical characteristics of crocodile skull for lumbar fracture reduction
Open access status: An open access version is available from UCL Discovery
DOI: 10.1088/1748-3190/11/5/056004
Publisher version: http://dx.doi.org/10.1088/1748-3190/11/5/056004
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Technology, Engineering, Multidisciplinary, Materials Science, Biomaterials, Robotics, Engineering, Materials Science, MIS device, biomimetics, lumbar burst fracture, reduction, THORACOLUMBAR BURST FRACTURES, NEUROLOGICAL DEFICIT, FUSION, VERTEBROPLASTY, POSTERIOR, KYPHOPLASTY, LAMINECTOMY, CROCODYLIA
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/10051507
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