A special amniotic fluid aspirator for preventing reflux in obstetrics and gynecology

Abstract

The invention discloses a reflux-preventing amniotic fluid suction device for obstetrics and gynecology, which discloses a suction head device that penetrates the fetal membrane through an adjustable needle tube and absorbs amniotic fluid to prevent reflux with compensation of external air pressure. It is characterized in that there is a ring of protective pads at the bottom of the outer sleeve, the protective pad is a hollow air pad, the support plate is placed at the bottom of the outer sleeve, and is closely attached to the inner wall of the outer sleeve, and there are multiple guides on the support plate. hole, a rotating sleeve is placed between the support plate and the outer sleeve, the guide hole is a pear-shaped hole, a plurality of guide rings are placed in the guide hole correspondingly, the inner wall of the outer sleeve is threaded, and the inner sleeve is placed Inside the outer sleeve, the outer wall of the inner sleeve is provided with threads, which match the threads on the inner wall of the outer sleeve. A ring of sealing rings is placed on the bottom edge of the inner sleeve, and the outer surface of the sealing ring is provided with threads. The flow caps are placed at the bottom of the inner cylinder and correspond to the guide rings on the support plate one by one. The flow caps are trumpet tubes, and the small end is located in the inner sleeve.

Description

technical field [0001] The invention relates to a reflux-preventing amniotic fluid suction device for obstetrics and gynecology, which relates to a device for preventing reflux of amniotic fluid in the fetal membrane during childbirth in the obstetrics and gynecology department, and belongs to the field of medical equipment. In particular, it relates to a suction head device which penetrates the fetal membrane through an adjustable needle tube and absorbs the amniotic fluid with the compensation of the external air pressure to prevent backflow. Background technique [0002] At present, during delivery in obstetrics and gynecology, in order to prevent amniotic fluid from suddenly entering the mother's blood during delivery, and causing serious delivery complications such as acute pulmonary embolism, anaphylactic shock, and disseminated intravascular coagulation during blood circulation , leading to danger to the life of the parturient, the amniotic fluid needs to be sucked in...

AI Technical Summary

Problems solved by technology

The anti-reflux amniotic fluid suction device for obstetrics and gynecology of the utility model comprises a suction tube, a protective tube, a push-pull rod and a plurality of needles, the front end of the suction tube is a closed end, the rear end of the suction tube is an open end, and the suction tube The closed end is provided with suction connection ports consistent with the number of needles, and a needle is fixedly installed on each suction connection port. The closed end of the suction tube is fixedly connected with one end of the protective tube. The mouth end is placed in the suction pipe, the front end of the push-pull rod is fixed with a rubber plug, the push-pull rod and the rubber plug are airtight and slidably connected with the suction pipe, the rear end of the push-pull rod is provided with a push-pull handle, and each suction connection port is equipped with a one-way valve In this device, a one-way valve is added to each suction connection port to prevent backflow, but the one-way valve will be blocked by tangible foreign objects during use, which will affect the closing effect

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