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Development of digital sphygmomanometer

文章来源:鑫志科技 / 作者:鑫志科技 / 发表时间:2021-09-27

First of all, the digital electronic sphygmomanometer stop technology has experienced the development of auscultation (also known as Coriolis sound method) and oscillography (also known as oscillation method) in two different stages from the application principle. At present, as long as a few companies use the auscultation principle on digital sphygmomanometer, and most of the mainstream culture digital sphygmomanometer are designed and manufactured by an enterprise that uses the oscillography principle

First generation digital blood pressure i (G1-NIBPM)

Technology used: MWD technology (measured during decompression)

The main components are: fast boost air pump, electronic fast exhaust valve, mechanical constant speed exhaust valve, and air pressure sensor.

Measurement characteristics: Quickly pressurize to a certain pressure value, measure blood pressure through a mechanical constant speed exhaust valve at a speed of 27 millimeters per second, and during the exhaust process.

Features: The following two automatic exhaust valves are used - electronic technology quickly passes through the exhaust valve and mechanical constant speed exhaust valve:

Characteristics: The initial pressure is mostly set at around 200ml ig, emphasizing the need for fast pressure speed, usually reaching the set pressure value within 10 seconds:

Characteristics: When the pressure stops, the bleeding rate exceeds 7 millimeters per second, and after a few seconds, it will reach 27 millimeters per second.

This generation of product enterprises will generally increase their initial pressure due to the instability of the student mechanical constant speed exhaust valve (there is a defect in principle). For example, most of China's current sphygmomanometer are made in China, and the initial pressure research is mostly set at 190200mlts. To some extent, we can overcome the problem of unstable measurement technology caused by the development of the deflation speed when the pressurization just stops.


The second generation digital sphygmomanometer (g2 nibpm)

Technology used: MD technology (measurement during decompression)

The main components used include a pressurized air pump, electronic information control for exhaust, and a pressure sensor for air pressure

Measurement characteristics: Due to the use of the ECY SERVO TECHNOLOGY servo system technology of China's electronic information control exhaust valve, the speed of constant speed gas selection truly achieves constant speed and can be artificially pressurized based on the actual blood pressure of the measurer. The measurement research results are more stable (except for other major social factors)

Feature 1: Only one exhaust valve is used - electronically controlled exhaust width for constant speed exhaust and speed selection at the end of measurement

Feature 2: Intelligent turbocharging. That is, the sphygmomanometer will make a rough judgment on the blood pressure of the measurer in advance during the pressurization process, and decide the pressure value to be added through consultation. Usually, the pressure value is added to the measurer's systolic blood pressure of 30 megaohms. Feature 3: The deflation speed can initially stabilize at 34mlg.

Third generation digital electronic sphygmomanometer (G3-NIBPM)

Technology used: M1 technology (measurement during n pressure)

The main components include a servo boost air system, an electronically controlled exhaust chamber, and an air pressure sensor. Features: The pressure is uniform and blood pressure is measured during one pressure process.

1. The pressurized air pump is used to control the pressurization speed and measure blood pressure during the process of adding 1;

2. Only one electronic fast exhaust valve is used for measuring the rapid exhaust at the end.

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