期刊
MEDICAL ENGINEERING & PHYSICS
卷 36, 期 1, 页码 32-38出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.medengphy.2013.08.014
关键词
Fetoscopy; Congenital diaphragmatic hernia; Parallel mechanism
Recent advancements in fetal surgery have proven that tracheal occlusion in fetuses with congenital diaphragmatic hernia is an effective way to prevent the occurrence of pulmonary hypoplasia. A novel flexible fetoscope with a parallel mechanism structure of a thumbstick to carry on the fetal tracheal balloon occlusion by the targeting and manipulation of the fetal endoscope at a high standard of quick response and dexterity is proposed in this paper. This design is compared with a commercial rigid fetoscope in terms of operation timing and reduced stress to the fetus at neck level. Experiments using a phantom have demonstrated that the flexible fetoscope has a better dexterity and is able to perform stable tracheoscopy and balloon inflation at different levels of the trachea, with the help of a fiberoptic camera. (C) 2013 IPEM. Published by Elsevier Ltd. All rights reserved.
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