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Platform cannula for guiding the expansion of expandable bodies and method of use
专利权人:
Richard W. Layne
发明人:
Richard W. Layne,Robert M. Scribner,Christopher R Ralph
申请号:
US09828470
公开号:
US08092480B2
申请日:
2001.04.06
申请国别(地区):
US
年份:
2012
代理人:
摘要:
This invention relates to devices, such as cannulas or needles, which are used for inserting expandable structures, such as medical balloons, into interior regions of a human or animal body, as well as methods for their use. In various embodiments, insertion devices described herein are capable of flaring at their tip to ease insertion and removal of expandable structures and reduce the risk of damaging such expandable structures during their insertion, inflation and removal. In other embodiments, insertion devices described herein are capable of directionally guiding and/or inhibiting expansion of an expandable structure within an interior region of an animal or human body to create optimally placed cavities for repair, augmentation and/or treatment of fractured and/or diseased bone.
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