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ASPIRATION DEVICE WITH VACUUM LIMITER
专利权人:
发明人:
Philipp Schaller
申请号:
US14696913
公开号:
US20160310322A1
申请日:
2015.04.27
申请国别(地区):
US
年份:
2016
代理人:
摘要:
Systems, devices, and methods include a hand-held instrument with an aspiration conduit extending therethrough and with an aspiration needle arranged to aspirate fluid from a surgical site. A vacuum limiter is associated with the aspiration conduit. The vacuum limiter includes an opening formed in a wall of the aspiration conduit, an actuator disposed in the opening, and a biasing element biasing the actuator to a closed position that prevents passage of fluid through the opening. The biasing element is arranged to permit the actuator to displace from the closed position to a relief position so that fluid passes through the opening when a threshold vacuum is reached within the lumen. The actuator can further displace to an override position that prevents passage of fluid through the opening.
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