This suction catheter (Karman catheter) for uterine aspiration reduces stretching of the cervix. in comparison to the conventional rigid curets, this soft and flexible cannula design has many advantages. The cannula allows rapid and painless application. catheter design is based on years of clinical experience. a blunt soft catheter tip featuring two precise holes, allows the catheter to deflate and stop suction in order to prevent perforation of the uterus, should the catheter be pushed towards the uterine wall.