Single-cavity oocyte collector

The utility model discloses a single-cavity oocyte collector. The single-cavity oocyte collector comprises a puncture needle, a handle, a suction catheter, a plug and a negative pressure conveying pipe, the puncture needle is provided with a handle end and a needle head end which are opposite. The needle head end is provided with an inclined opening communicated with the interior of the puncture needle. One end of the handle is communicated with the handle end of the puncture needle, and a pointing ridge parallel to the puncture needle is arranged on the surface of the handle; under the condition that the handle end of the puncture needle is connected with the handle, the extending direction of the pointing ridge is consistent with the inclination direction of the inclined opening; one end of the suction catheter is communicated with one end, deviating from the puncture needle, of the handle and penetrates through the plug; one end of the negative pressure conveying pipe penetrates through the plug, and the o