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Multi fluid tissue resection methods and devices
专利权人:
Nikolai Aljuri
发明人:
Nikolai Aljuri,Ajit Nair,Paren Shah,Adam Nemeyer,Daniel Grupp
申请号:
US12700568
公开号:
US09232959B2
申请日:
2010.02.04
申请国别(地区):
US
年份:
2016
代理人:
摘要:
Prostate treatment using fluid stream to resect prostate tissue, thereby relieving symptoms of conditions such as BPH, prostatitis, and prostatic carcinoma. A device having a fluid delivery element is positioned within a lumen of the urethra within the prostate. A fluid stream is directed outwardly from the fluid delivery element toward a wall of the urethral lumen. The fluid delivery element is moved to scan the fluid stream over the wall to remove a volume of tissue surrounding the lumen. The fluid may be combined with therapeutically active substances or with substances that increase resection efficiency. Fluid force may be adjusted to provide selective tissue resection such that soft tissue is removed while harder tissue is left undamaged. In order to gain a working space within the urethra, another fluid may be introduced to insufflate the urethra in the region of treatment.
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中国工程科技知识中心
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