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内視鏡的切削器
专利权人:
メドトロニック,インコーポレイテッド
发明人:
アダムス,ケネス・エム
申请号:
JP2012073745
公开号:
JP5738230B2
申请日:
2012.03.28
申请国别(地区):
JP
年份:
2015
代理人:
摘要:
A surgical micro-shaving instrument including an outer tubular member coaxially maintaining an inner tubular member. The outer tubular member is an elongated body defining a distal section, a proximal section and a central lumen extending from the distal section to the proximal section. The distal section forms an elevator tip and a cutting window. The cutting window is positioned proximal the elevator tip and is connected to the central lumen. The elevator tip terminates at a blade-like edge and is non-blunt. In one preferred embodiment, the elevator tip terminates in a knife edge. Regardless, the elevator tip defines a top surface extending from the elevator window. In one preferred embodiment, the top surface extends in an angular fashion, planar with a plane of the cutting window. In another preferred embodiment, the top surface includes a proximal portion and a distal portion. With this configuration, the proximal portion is planar with a plane of the cutting window. Further, the distal portion extends upwardly in an angular fashion from the proximal portion, defining an obtuse angle therebetween. During use, the surgical micro-shaving instrument is directed toward the inferior turbinate. The elevator tip is used to puncture the turbinate as well as to dissect tissue away from the turbinate bone, thereby creating improved tissue engagement.
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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