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Retrievable urethra sparing prosthetic stent and kidney stone intervention system
专利权人:
Michael Edward Todd
发明人:
Michael Edward Todd
申请号:
US12430552
公开号:
US08551182B2
申请日:
2009.04.27
申请国别(地区):
US
年份:
2013
代理人:
摘要:
The present invention provides devices, a system, and a method for removing kidney stones from the urinary system of a patient with reduced pain and expenses. The system includes expandable, elongated balloon sheaths that deliver and retrieve forceps and a urethral sparing prosthetic stent. The stent is reconstrainable with interwoven nylon strands that are strategically positioned amongst the struts to ensure smooth collapse for removal. An atraumatic coating of PTFE or PET lining on the stent extends from the struts through the tip of the penis to assist patients in passing stones while the stent is in place at the bladder neck. The stent can stay in place for several days while permitting urine drainage. The basket-shaped forceps device has multiple curved, rigid arms to dilate the urethra and capture occluded or embedded stones with a built-in camera. The method is for removing stones through a protected urethral canal.
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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