Sperm swim-up device

Abstract

The invention relates to a sperm up-swim device, comprising a culture solution adding pipe (1) and a semen adding pipe (2). The device is characterized in that: the culture solution adding pipe (1) and the semen adding pipe (2) are arranged in a culture solution bottle (3); a bottom end (4) of the culture solution adding pipe (1) is a dead end, and side holes (5) are distributed on the sidewall of the lower segment of the culture solution adding pipe (1); the lower end of the semen adding pipe (2) is a tapered dropper (6); the number of the side holes (5) distributed on the sidewall of the culture solution adding pipe (1) is at least two; a scale (9) is arranged on the wall of the culture solution bottle (3); positioning rings (11) is arranged on pipe bodies of the culture solution addingpipe (1) and the semen adding pipe (2); and the positioning rings (11) can be utilized to adjust the height of the culture solution adding pipe (1) and the semen adding pipe (2) from the bottom of the culture solution bottle (3). The device integrates a plurality of utensils and is simple in structure and is convenient to operate, thereby shortening operation time, lowering operation difficulty and reducing cost. Practice proves that the forward motility rate of recycled sperms is over 98 percent.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a sperm upstream device used in assisted reproductive technology for infertile patients, preferably sperm. Background technique [0002] At present, the sperm upstream method used in sperm preparation in human assisted reproductive technology is to use 4 test tubes, add culture medium to each test tube, and then slowly add semen to the bottom of each test tube with a dropper. Tilt at 45°, place in the incubator for 30-60 minutes, and collect the supernatant of each tube. The optimized purification tube invented by the Taiwanese has a complex structure, high price, and is disposable. Although the optimization effect is better, it is not suitable for promotion and use in hospitals. In addition, the patent No. "01251777" discloses the patent of "sperm upstream pipe", which is that the bottom of the nutrient solution pipe is provided with an annular semen blocking sheet, an...

AI Technical Summary

Problems solved by technology

This "semen upstream tube" is inconvenient to add semen, the contact area between semen and nutrient solution is small, and the recovery rate of highly motile sperm is low

Images