Deployment actuation system for intrafallopian contraception

The invention relates to contraception's method, device and device, such method, system and device can improve the contraceptive device (12) is formed with a, a speed and reliability according to the cervical of the oviduct opening layer. The sheath (14) when the near end is extracted, the contraceptive device (12) capable of keeping is a small clamping structure, further hereafter through a one-hand the control near the handle (30) one or more opened, the contraceptive device of expanding part of external with a big clamping structure of tissue firmly. The vacate of the use and hysteroscope, so and a population of medical staff for panel contraceptive device (12) being to achieve at.