A uterine manipulator device comprising: an elongated cannulated tube comprising a distal end and a proximal end; a cervical cup having a top distal portion of a first diameter and a base proximal portion of a second smaller diameter, wherein: the base proximal portion includes a hole formed therein having a perimeter including a proximal end and a distal end, and including a longitudinal axis positioned therethrough; one of the distal end of the perimeter and the proximal end of the perimeter is angled away from the longitudinal axis and the other of the distal end of the perimeter and the proximal end of the perimeter is in line with the longitudinal axis; and the elongated cannulated tube is positioned through the hole in the cervical cup, an intrauterine balloon positioned on the distal end of the elongated cannulated tube and having a distal end and a proximal end, wherein a proximal most end of the intrauterine balloon includes an opening, said device being characterized in that a most proximal portion of the proximal end of the intrauterine balloon includes a conical portion angled away from the longitudinal axis so as to open in the proximal direction, said conical portion being configured to assist with a proper, clean and bunch-free assembly of the intrauterine balloon on the device. an elongated cannulated tube comprising a distal end and a proximal end; a cervical cup having a top distal portion of a first diameter and a base proximal portion of a second smaller diameter, wherein: the base proximal portion includes a hole formed therein having a perimeter including a proximal end and a distal end, and including a longitudinal axis positioned therethrough; one of the distal end of the perimeter and the proximal end of the perimeter is angled away from the longitudinal axis and the other of the distal end of the perimeter and the proximal end of the perimeter is in line with the longitudinal axis; and the elongated cannulated tube is positioned through the hole in the cervical cup, an intrauterine balloon positioned on the distal end of the elongated cannulated tube and having a distal end and a proximal end, wherein a proximal most end of the intrauterine balloon includes an opening, said device being characterized in that a most proximal portion of the proximal end of the intrauterine balloon includes a conical portion angled away from the longitudinal axis so as to open in the proximal direction, said conical portion being configured to assist with a proper, clean and bunch-free assembly of the intrauterine balloon on the device. the base proximal portion includes a hole formed therein having a perimeter including a proximal end and a distal end, and including a longitudinal axis positioned therethrough; one of the distal end of the perimeter and the proximal end of the perimeter is angled away from the longitudinal axis and the other of the distal end of the perimeter and the proximal end of the perimeter is in line with the longitudinal axis; and the elongated cannulated tube is positioned through the hole in the cervical cup, an intrauterine balloon positioned on the distal end of the elongated cannulated tube and having a distal end and a proximal end, wherein a proximal most end of the intrauterine balloon includes an opening, said device being characterized in that a most proximal portion of the proximal end of the intrauterine balloon includes a conical portion angled away from the longitudinal axis so as to open in the proximal direction, said conical portion being configured to assist with a proper, clean and bunch-free assembly of the intrauterine balloon on the device.