Patent ID: 8517960

Claim:
A method for measuring a length of a cervix, comprising: holding a handle of a device with a first hand, the handle fixedly attached to an elongate measurement member; rotating a hollow member that is coaxial with and disposed over the measurement member 90 degrees relative to the elongate measurement member; advancing the device distally within a vagina until a flange on a distal end of the hollow member contacts a cervix at an external uterine opening; after the rotating step and step of advancing the device distally, advancing the measurement member distally within the vagina until a distal end of the measurement member contacts a cervical uterine junction at a fornix vaginae; locking the measurement member relative to the hollow member using the first hand; and observing a position of the hollow member with respect to the measurement member to determine a length of the cervix in the fornix vaginae.