For easy transfer of washed sperm into the uterine cavity, in Artificial Insemination procedures. Centimeter-marked catheters (3) with rounded tip (4) and double side-eyes. Material transparency allows visual proof of successful transfer. A luer lock adapter serves as finger grip and allows a safe syringe connection for sperm injection. The two orientation wings (2) aligned with the double side-eyes enhance accurate placement of the catheter. AINSEWHITE is not intended for in vitro fertilization and Intra Falloppian tubes procedures.