Document Detail


A new polyvinyl alcohol hydrogel vascular model (KEZLEX) for microvascular anastomosis training.
MedLine Citation:
PMID:  21170365     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Microvascular anastomosis is a challenging neurosurgical technique that requires extensive training for one to master it. We developed a new vascular model (KEZLEX, Ono and Co., Ltd., Tokyo, Japan) as a non-animal, realistic tool for practicing microvascular anastomosis under realistic circumstances.
METHODS: The model was manufactured from polyvinyl alcohol hydrogel to provide 1.0-3.0 mm diameter (available for 0.5-mm pitch), 6-8 cm long tubes that have qualitatively similar surface characteristics, visibility, and stiffness to human donor and recipient arteries for various bypass surgeries based on three-dimensional computed tomography/magnetic resonance imaging scanning data reconstruction using visible human data set and vessel casts.
RESULTS: Trainees can acquire basic microsuturing techniques for end-to-end, end-to-side, and side-to-side anastomoses with handling similar to that for real arteries. To practice standard deep bypass techniques under realistic circumstances, the substitute vessel can be fixed to specific locations of a commercially available brain model with pins.
CONCLUSION: Our vascular prosthesis model is simple and easy to set up for repeated practice, and will contribute to facilitate "off-the-job" training by trainees.
Authors:
Tatsushi Mutoh; Tatsuya Ishikawa; Hidenori Ono; Nobuyuki Yasui
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Publication Detail:
Type:  Journal Article     Date:  2010-11-23
Journal Detail:
Title:  Surgical neurology international     Volume:  1     ISSN:  2152-7806     ISO Abbreviation:  Surg Neurol Int     Publication Date:  2010  
Date Detail:
Created Date:  2010-12-20     Completed Date:  2011-07-14     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  101535836     Medline TA:  Surg Neurol Int     Country:  India    
Other Details:
Languages:  eng     Pagination:  74     Citation Subset:  -    
Affiliation:
Department of Surgical Neurology, Research Institute for Brain and Blood Vessels-Akita, 6-10 Senshu-Kubota-machi, Akita 010-0874, Japan.
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