Invention Grant
US09050167B2 Infusion sleeve with leakage control 有权
输液套有泄漏控制

Infusion sleeve with leakage control
Abstract:
An irrigation sleeve for a phacoemulsification needle has a collar to limit leakage of irrigating liquid in a direction forward of the sleeve when the sleeve is positioned on the needle. In one embodiment the sleeve and needle have mating grooves and ridges. In another embodiment an O-ring embedded in the sleeve forms a seal against the needle body.
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