What does the double-cavity test tube egg retrieval needle mean?

Test-tube double-cavity oocyte retrieval needles are commonly used types of oocyte retrieval needles in clinical oocyte retrieval. The so-called double-lumen oocyte retrieval needle means that there is a tube inside the needle tube. The inner tube is the same as the single-lumen tube. To the effect of scouring. This has the advantage of avoiding the strong suction of the single-cavity egg retrieval needle, reducing the impact on the egg during the suction process, and protecting the egg to a greater extent.

The double-cavity egg retrieval needle consists of an egg retrieval needle needle tube, a needle seat, a suction tube, a flushing tube, a test tube plug, a flushing tube connector and a negative pressure connector. The needle tube of the egg retrieval needle is made of 304 stainless steel, the needle seat is made of polycarbonate and polypropylene, the suction tube and the flushing tube are made of fluorinated ethylene propylene, the test tube plug is made of silica gel, and the flushing tube joint and the negative pressure joint are made of Made of polycarbonate. What I want to remind here is that whether it is a double-cavity egg retrieval needle or a single cavity egg retrieval needle, it is a secondary product and cannot be reused.

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