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OUTIL CHIRURGICAL SOUPLE ARTICULÉ
专利权人:
THE HOSPITAL FOR SICK CHILDREN
发明人:
EASTWOOD, Kyle W.,FRANCIS, Peter,LOOI, Thomas,NAGUIB, Hani E.,DRAKE, James M.
申请号:
CACA2017/051532
公开号:
WO2018/107300A1
申请日:
2017.12.18
申请国别(地区):
CA
年份:
2018
代理人:
摘要:
This disclosure discloses a flexible elongate shaft assembly which includes an elongate flexible tube having at least one joint built into the elongate flexible tube. The joint includes a contact-aided compliant notch topology built into the elongate flexible shaft configured to cause the joint to mechanically interfere with itself and self-reinforce during bending of the elongate flexible shaft resulting in an increase in stiffness of the joint to prevent bucking and plastic deformation of the elongate flexible shaft assembly, and assume a predetermined and designed bending shape of the elongate flexible shaft assembly. The flexible elongate shaft assembly is incorporated into a flexible articulate surgical tool that provides the needed stiffness in order to be able to manipulate tissue and bear loads in anatomically confined spaces. The surgical tool includes a clinician operated handle, the flexible elongated shaft assembly extending from the handle to a surgical tool with the flexible elongate tube having one or more joint sections located near the surgical tool. A flexible cable connects the handle to the surgical tool. The joint sections are configured so that when the clinician activates the surgical tool, a mechanical interference is generated in the joint section and this mechanical interference not only increases stiffness throughout the articulation of the joint's range-of-motion but it also serves the dual purpose of controlling the bent "shape" of the flexible portion of the joint.La présente invention concerne un ensemble tige souple allongée qui comprend un tube souple allongé présentant au moins une articulation construite dans le tube souple allongé. L'articulation comprend une topologie d'encoche conforme assistée par contact construite dans la tige souple allongée configurée pour amener l'articulation à interférer mécaniquement avec elle-même et s'auto-renforcer durant la flexion de la tige souple allongée résultant en une augmentation de rigidité
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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