Fetal head aspirator

Abstract

The invention discloses a fetal head aspirator, and mainly relates to the field of obstetric apparatuses. The fetal head aspirator comprises a metal conical cylinder, the wide end of the conical cylinder is provided with multiple steel wire keels in arc fixed shapes, the inner sides of the top ends of the steel wire keels are provided with silica gel beads connected with the steel wire keels in a rolling mode, the outer sides of the steel wire keels are covered with negative pressure covers, the top sides of the negative pressure covers are provided with sealing edges, the top sides of the sealing edges bend inward, the negative pressure covers and the sealing edges are silica gel film which is formed integrally, the narrow end of the conical cylinder is provided with a connecting cylinder, the inner wall of the connecting cylinder is provided with an inner valve cavity provided with a one-way air valve, the outer wall of the connecting cylinder is provided with an air pumping nozzle used for pumping air and introducing air, and the air pumping nozzle is communicated with the inner valve cavity. The fetal head aspirator has the advantages of remarkably lowering the size of arching of afterbirth, remarkably solving the problems of fetal head scalp blister, bruises, lacerations, hematoma under the skin and under the periosteum, intracranial hemorrhage and the like, effectively assisting in delivery and childbirth, and protecting the health of fetuses.

Description

technical field [0001] The invention relates to the field of midwifery instruments, in particular to a fetal head suction device. Background technique [0002] Fetal head suction is a commonly used midwifery operation. It uses negative pressure to attach a suction device to the fetal head, and through appropriate negative pressure and traction, it achieves the purpose of assisting delivery of the fetus. Therefore, the mastery of negative pressure and traction is the core focus of this midwifery. If the negative pressure used is too small and the suction force is weak, the fetal head suction device will easily slip off. If the negative pressure is too large, or the pressure distribution is uneven, or the pressure area is too small and the local pressure is too high, it will cause fetal head injury. In addition, the control of traction angle is also particularly critical. Improper traction direction may easily cause air leakage and slippage of the suction device, or excessive...

AI Technical Summary

Problems solved by technology

If the negative pressure used is too small and the suction force is weak, the fetal head suction device will easily slip off. If the negative pressure is too large, or the pressure distribution is uneven, or the pressure application area is too small and the local pressure is too high, it will cause fetal head injury.

In addition, the control of traction angle is also particularly critical. Improper traction direction may easily cause air leakage and slippage of the suction device, or excessive traction time may aggravate fetal head injury and other problems.

[0003] In clinical practice, commonly used fetal head suction devices include trumpet-shaped fetal head suction devices, cup-shaped fetal head suction devices, horn-shaped fetal head suction devices, etc. The safety of suction devices with these structures is not ideal in clinical use.

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