| 摘要 |
A retention ring that fits around the manipulator or aspirating needle and seals the distal end of the flexible irrigation sleeve so as to reduce or prevent the flow of irrigating fluid out of the open distal end of the sleeve and force the flow of irrigating fluid out of the irrigating ports on the side of the sleeve and helps prevent the collapse of the irrigating sleeve down around the manipulator or needle during insertion into the wound.
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