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INSTRUMENT CHIRURGICAL AVEC POINTE À ULTRASONS POUR ÉLIMINATION DE TISSU FIBREUX
专利权人:
Stryker European Holdings I; LLC
发明人:
申请号:
EP16741409.3
公开号:
EP3310276B1
申请日:
2016.06.15
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
An ultrasonic tip for fibrous tissue removal. The ultrasonic tip may be configured for at least torsional vibration and coupled to a distal end of a shaft of a surgical instrument with the shaft including a vibration conversion mechanism. The ultrasonic tip includes a plurality of slots extending between inner and outer circumferential surfaces to form a plurality of teeth. A depth of one of the slots at the outer circumferential surface is greater than a depth of the slot at the inner circumferential surface to define a sloped surface. The teeth include a cutting edge defined between the outer circumferential surface and a side surface defining the slot. The cutting edge includes a positive rake angle. The teeth may further include an inner cutting edge defined between the sloped surface and the inner circumferential surface with the inner cutting edge having a positive rake angle.
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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