Mindray MEC 1000 MEC 2000 Patient Monitor Parts NIBP Board

Hospital Medical Equipment Parts Mindray MEC 1000 MEC 2000 Patient Monitor NIBP Board

► Brief Introduction

The non-invasive blood pressure measurement unit (NIBP) measures blood pressure using the vibration measurement method. This device can be applied to adult patients, children and newborns.

Three methods of measurement are available: Manual, Automatic, and Continuous.

• Manual: Pressing the NIBP key on the control panel starts the NIBP measurement.
• Automatic: NIBP measurement is performed automatically in a predetermined period of time.
• Continuous: NIBP measurement is performed as many times as possible in five minutes.

NIBP measurement does not produce any wave shape. Instead, it displays the measurement result in the NIBP parameter window as shown below.

1. NIBP Label: Select this label to access the NIBP SETUP list.
2. Last measurement time.
3. NIBP unit: mmHg or KPA.
4. Instant Information Area: Display NIBP measurement mode and other information.
5. Systolic Pressure Value (NS)
6. Average pressure value (NM)
7. Diastolic Pressure Value (ND)

If a set of measured results appears in gray, this measurement was made at least one hour earlier.

► Introduction to Principle

The vibration measurement method has been adopted to measure NIBP. Inflate the cuff wrapped around the top of the arm until the pressure stops the blood flow in the upper arm artery. The cuff is then emptied of air according to the requirements of the algorithm. Blood flow resumes in the artery as cuff pressure decreases, leading to similar impulses in the cuff. The pressure sensor connecting the inflatable hose in the cuff will generate pulsating signals accordingly. The NIBP unit can process these signals and give the measurement result.

LED engine circuit

Open/close LED control. This circuit, along with motor Drive Circuit, finishes the inflatable work and unloads the cuff.

Engine circuit

Control the work of the air pump. This circuit, along with Valve Drive Circuit, finishes the inflatable work and unloads the cuff. Furthermore, it provides an engine status signal to the A/D adapter for detection.

NIBP signal process circle

NIBP signals are differential signals. The differential amplification circuit inflates differential signals and converts them into one-sided signals while sending a one-way signal to the A/D adapter and the other method signal to the blocking circuit and AMP. The blocking and AMP circuit removes the components of the continuous current in the signals, amplifies the signals and then sends them to the A/D adapter.

Excess pressure detection

Detect NIBP pressure signals. Once the pressure exceeds the protection limit, it sends a message to the CPU system, which will accordingly control the led engine circuit to open the valve to empty the cuff to reduce pressure.

► Schematic Diagram of NIBP Module

► Measurement Range:

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China World Technology Medical Equipment Service Group is a company engaged in medical equipments/repair parts and accessories products trading company. The company was established in September 2005, has many famous enterprises at home and abroad (such as America USCO company) to establish a long-term friendly business relationship. Company mainly engaged in patient monitor and other medical machine products. Since its inception continue to absorb a variety of talents, improve product quality, improving staff quality, in order to grow their companies. Strict quality guarantee system and perfect management system, high-quality products after-sales service is our foothold in this, my company of "quality first, reputation first" principle, provide customers with quality and quantity of various types of products. Always uPHiliphold the "quality, integrity and pragmatic, motivated, service-oriented" business PHiliphilosoPHiliphy, and applies the company's management and operating among. The face of fierce competition, the company system is constantly being improved, relying on science and technology, continuously improve the technology content of products sold, for society, customers and companies to create a higher market value. Our company has been in good faith to create enterprises, to credit management market, has won a good reputation, also won the respect of their domestic counterparts.
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