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ACTUATED CANNULA SEAL
专利权人:
发明人:
Lawton N. Verner,Stephen J. Blumenkranz
申请号:
US14181541
公开号:
US20140236177A1
申请日:
2014.02.14
申请国别(地区):
US
年份:
2014
代理人:
摘要:
Embodiments of an actuated cannula seal are disclosed In some embodiments, a cannula seal includes a base portion that engages with a cannula and a seal portion integrally formed with the base portion, the sealing portion capable of engaging with an instrument shaft, the sealing portion capable of being actuated by an actuator so that the sealing portion is continually in motion relative to the instrument shaft. The actuation of the sealing portion can be accomplished by rotation or vibration of the sealing portion relative to the instrument shaft.
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