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TRANSLATABLE OUTER TUBE FOR SEALING USING SHIELDED LAP CHOLE DISSECTOR
专利权人:
Ethicon LLC
发明人:
Sean P. Conlon,John B. Schulte,Thomas C. Gallmeyer,Kristen G. Denzinger,Jeffery T. Kirk
申请号:
US16433173
公开号:
US20200008857A1
申请日:
2019.06.06
申请国别(地区):
US
年份:
2020
代理人:
摘要:
Aspects of the present disclosure are presented for a surgical instrument for cutting and sealing tissue. In some embodiments, the surgical instrument includes a handle assembly, a shaft, and an end effector. The end effector may include: a blade that vibrates at an ultrasonic frequency, a shielded portion enclosing a back edge of the blade, a high-friction surface coupled to the shielded portion and positioned between the shielded portion and the back edge of the blade. A space is defined between the high-friction surface and the back edge of the blade when the end effector is in a cutting configuration. In a sealing configuration, the high-friction surface contacts the back edge of the blade, which generates heat based on ultrasonic vibrations of the blade rubbing against the high-friction surface. The shielded portion can coagulate bleeding tissue based on heat transfer from the high-friction surface to the shielded portion.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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