A kind of preparation method of single cavity egg retrieval needle

The utility model provides the following technical solutions: a single-lumen egg retrieval needle, comprising a handle, one end of the handle is connected with an egg retrieval needle tube, and an egg retrieval head is communicated with one end of the egg retrieval needle tube away from the handle, and the egg retrieval head One side is provided with an egg retrieval port, the two sides of the inner wall of the egg retrieval head are fixedly connected with an egg penetration plate, one side of the egg penetration plate is fixedly connected with a number of puncture needles, and the egg penetration plate and the puncture needle are fixedly connected. The staggered position is provided with an egg-penetrating hole, the other end of the handle is connected with a connecting hose, the end of the connecting hose away from the handle is communicated with an egg-collecting chamber, and the egg-collecting chamber is communicated with one side away from the connecting hose There is an oviduct, one end of the oviduct is connected with a sealing plug, the inside of the sealing plug is also provided with a negative pressure tube, one end of the negative pressure tube is connected with a negative pressure pipe joint, and the bottom of the sealing plug is There is a safe room attached.

Preferably, the oocyte retrieval needle tube and the connecting hose communicate with each other, and the communication part runs through the interior of the handle.

Preferably, the egg retrieval head is a spherical structure, and the puncture needle is disposed facing the egg retrieval opening.

Preferably, the connecting hose and the oviduct are respectively connected to two sides of the top of the egg collection chamber, and the side of the egg collection chamber is provided with a collection port.

Preferably, both the oviduct and the negative pressure tube penetrate through the sealing plug to the interior of the safety chamber, and the sealing plug and the top of the safety chamber are in sealing connection.

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