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Post-occlusion chamber collapse canceling system for a surgical apparatus and method of use
专利权人:
Jaime Zacharias
发明人:
Zacharias, Jaime
申请号:
AU2008265669
公开号:
AU2008265669B2
申请日:
2008.06.19
申请国别(地区):
AU
年份:
2013
代理人:
摘要:
A post-occlusion chamber collapse canceling system for a surgical apparatusthat detects the breaking of occlusions by tissue fragments in the distal endof the aspiration path and produces a response comprising a transitory blockageof the distal end the aspiration path to terminate the chamber collapse and a simultaneoustransitory venting of the aspiration line to relieve the vacuum, in a way thatpost-occlusion chamber collapses are cancelled. Disclosed herein, in a preferredembodiment, is a surgical system and related method for preventing collapseof a body chamber being operated upon, due to a vacuum surge following a clearingof an occlusion in an aspiration path of the surgical system, comprising: an occlusion-breaksensor (300) for sensing the clearing of the occlusion; a normally-open occlusionvalve (57), temporarily closing in response to the occlusion-break sensor sensingthe clearing of the occlusion, thereby occluding fluid flow through the aspirationpath and controllably stabilizing the occlusion break, thereby preventingthe vacuum surge and consequent body chamber collapse; and a normally- closedventing valve temporarily opening in response to the occlusion-break sensorsensing the clearing of the occlusion, to reduce the vacuum thereby preventingthe vacuum surge and consequent body chamber collapse. In an alternative embodiment,the normally-open occlusion valve may be omitted.
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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