Pick device for fetal heartbeat sound

Abstract

The invention discloses a pick device for a fetal heartbeat sound. The pick device comprises an interface, a sensor, a sound gathering device, a lead, a loudspeaker or a set of loudspeakers, and a selector switch, wherein the interface is connected with an audio frequency socket of an intelligent device; the sensor is used for receiving the fetal heartbeat sound, and a sound made by a fetal organ is converted into an electric signal by the sensor; the sound gathering device is used for gathering the fetal heartbeat sound, and like an acoustic duct of a horn mouth, the sound gathering device is used for gathering the sound made by the fetal organ; the loudspeaker or the loudspeakers is or are connected with the intelligent device through the interface, and is or are used for playing the sound; the selector switch is used for switching connection between the sensor and the ground so as to meet the OMTP (open mobile terminal platform) standard or the CTIA (cellular telecommunications industry association) standard. According to the pick device disclosed by the invention, the ability of the existing intelligent device of a user is exerted, so that an external device can become simplest, and further, the cost is lowest; the function of the pick device is equal to or more powerful than the existing product.

Description

technical field

[0001] The invention belongs to the field of medical and health management services, and in particular relates to an intelligent device peripheral device for picking up fetal heartbeat sound. Background technique

[0002] 1. The instruments for detecting fetal heart sounds currently on the market mainly use ultrasonic Doppler effect to perceive fetal heart sounds. The main disadvantages of this method are:

[0003] 1) A coupling agent is required. From the public information, it is known that the coupling agent contains triethanolamine (TEA). Triethanolamine has the lowest oral toxicity among amines. It can also be found from the public information that "Triethanolamine is included in the Chemical Weapons Convention "", "It can also be used as a fiber treatment agent, anti-corrosion additive, plasticizer, photographic developer additive, engine carbon deposit preventer, etc.", if this ingredient is absorbed into the blood through the skin, it will affect the ...

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