What is the difference between double-lumen and single-lumen egg retrieval needles? Does the quality of egg retrieval vary?

The difference between double-lumen and single-lumen egg retrieval needle

The egg retrieval needle is a medical consumable in the process of IVF egg retrieval. Under the guidance of vaginal B ultrasound, it will pass through the vaginal fornix to reach the ovary, puncture the follicles in the ovary, and suck out the follicular fluid and the eggs in it with negative pressure. The most commonly used oocyte retrieval needles are single-lumen and double-lumen oocyte retrieval needles, and their differences generally include the following aspects.

1. The needle size structure is different

The biggest difference between single-lumen egg retrieval and double-lumen egg retrieval is actually the different needle size structure used for egg retrieval, and through clinical trials, it was found that double-lumen egg retrieval has more advantages, so in the process of in vitro egg retrieval, double-lumen egg retrieval is used. more frequently.

2. Different designs

There is a big difference in design between single-lumen egg retrieval and double-lumen egg retrieval equipment. The single-lumen egg retrieval needle device lacks the diameter design of 0.3 mm, while the double-lumen egg retrieval needle not only has this unique design, but also includes the single-lumen egg retrieval needle. The advantages of egg needles make egg retrieval more convenient and faster.

3. Operational Visibility

It is not the same, although both single-lumen egg retrieval and double-lumen egg retrieval are carried out under the guidance of B-ultrasound, but compared with single-lumen egg retrieval, double-lumen egg retrieval has an enhanced response head, so B-ultrasound is more difficult to obtain. The visual effect is clearer, the accuracy of puncture is improved, and the damage of egg retrieval is greatly reduced.

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