| 摘要 |
A sealant ring that fits around the shaft of the manipulation tool and seals the shaft so as to reduce or prevent the flow of irrigating fluid out of the eye from the wound around the shaft. The seal also helps prevent collapse of the would about the shaft of the manipulation tool. In addition, an adjustable stop might be used of similar construction as the seal. the stopper can be used to help force the seal into the wound.
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