| 摘要 |
An improved artificial insemination device for animals is disclosed. The device has an inner catheter tube inserted inside a catheter tube where the front end of the inner catheter tube is closed in arc shape and its periphery is arranged with a plurality of spray release openings with arc-shaped invagination at outer edges and an extension member that communicates with the interior. As such, when the front end of the inner catheter tube enters the uterus along the cervical tract, it will not scratch the walls of cervical tract during movement because the outer edges of the spray release openings are in arc invaginated shape. When the contraction of the uterus sucks out the animal semen inside the inner catheter tube, it works like a straw through the extension members of the spray release openings, and the semen pooled together inside the catheter could be released rapidly and smoothly into different parts of the uterus to fully enhance the efficiency and the success rate of artificial insemination.
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