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

1. Needle size structure

Many people do not know that the double-lumen egg retrieval needle has the same needle arm characteristics as the single-lumen egg retrieval needle. In the same way, the needle size is also used to distinguish, but the needle tip structure of the double-gun egg retrieval needle is mostly B-type, which is different from the single-lumen egg retrieval needle. There is a big difference.

2. Unique design

The single-lumen oocyte retrieval needle does not have a structure with a diameter of 0.3 mm, but the double-lumen oocyte retrieval needle has this structure. It performs egg flushing and egg aspiration at the same time as egg retrieval. This is the unique flushing cavity of the double-lumen oocyte retrieval needle. structure.

3. Visibility

In the previous abdominal oocyte retrieval operation, the visibility was still not high even with the help of ultrasound, but the enhanced response head of the double-lumen oocyte retrieval needle can improve the visual effect under B-ultrasound. Faster and more accurate corresponds to a higher success rate.

Although the double-lumen oocyte retrieval needle group had a higher oocyte retrieval rate than the single-lumen oocyte retrieval needle group, paradoxically, there was no significant difference in the average number of oocytes retrieved between the two groups, and surgical oocyte retrieval techniques varied from person to person

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