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Surgical access apparatus and method
专利权人:
Charles C. Hart
发明人:
Charles C. Hart,John R. Brustad
申请号:
US11062022
公开号:
US08105285B2
申请日:
2005.02.18
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A laparoscopic insufflation device is provided in the configuration of a coil with a blunt tip. The device is capable of passing through the abdominal wall without cutting tissue, and exiting the abdominal wall substantially parallel to the inner surface. While rotation of the coiled device results in forward movement through the abdominal wall, a counter force can be applied to the device to create a safety space between the wall and the interior organs. With the blunt distal tip, parallel exit angle, and safety space, there is substantially no threat to the interior organs during placement of the device. Further space can be generated with the use of pressured gas to produce an abdominal cavity for the subsequent placement of trocars. By rotatably attaching the coiled insufflation device to a trocar, the advantage of a counter force can be used not only to establish the safety space but also to pull the trocar into the abdominal wall with a counterforce which resists tenting.
来源网站:
中国工程科技知识中心
来源网址:
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