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Goldway UT4000A UT4000B UT4000C UT4000F patient monitor NIBP board GW4F5S01C
► Brief Introduction
Processing the NIBP
Pressure data is converted to digital format and conveyed to the
processor. The NIBP pump uses an oscillometric method that drives
stepwise pressure deflation. Pump software eliminates most ambient
noise and motion interference. It can be applied to neonatal,
pediatric and adult patients. The blood pressure range for Systolic
is 30-254 mmHg and Diastolic 10-220 mmHg. Accuracy is Maximum Mean
Error ±5 mmHg, with Maximum Standard Deviation no greater than 8
mmHg.
NIBP processing uses an oscillometric technique to provide needed
measurements at selected intervals. This technique uses an
inflatable sPHiliphhilipygmomanometer cuff similar to those used by
clinicians in routine measurements. A motorized pump inflates the
cuff to approximately 170 mmHg (adult mode) initially, at which
point the pressure effectively stops the flow of blood. Then, under
monitor control, the pressure in the cuff is gradually reduced,
while a pressure transducer detects the pressure and transmits the
parameter signal to the NIBP input circuitry. As the pressure is
reduced, blood flows in the previously occluded artery, and changes
the measurements made by the transducer. The point at which
oscillation increases sharply is defined as systolic pressure. As
the cuff continues to deflate, the oscillation amplitude increases
to a maximum, and then decreases. The peak oscillation amplitude is
defined as the mean arterial pressure. The point at which the
system detects a rapid decrease in oscillation is defined as the
diastolic pressure.
► The NIBP assembly and circuitry contain the following elements:
• Pump
• Valves
• Manifold
• Filter
• Pressure measurement and control circuitry
► Non-Invasive Blood Pressure(NIBP)
Method | Automatic Oscillometric | |
Parameters | Systolic, diastolic, mean arterial pressure, pulse | |
Scale | mmHg or Kpa | |
Operating Modes | Manual, Automatic, Continuous | |
Repeat Cycles | 1~10, 15, 30, 60, 90, 120 minutes | |
Measure Range | Systolic | Adult/Pediatric 30 ~ 254mmHg (4.0 ~ 33.9kPa) |
Neomate 30 ~ 135mmHg (4.0 ~ 18.0kPa) | ||
Diastolic | Adult/Pediatric 10 ~ 220mmHg (1.3 ~ 29.3kPa) | |
Neomate 10 ~ 110mmHg (1.3 ~ 14.7kPa) | ||
Cuff Pressure Range | Adult/Pediatric 0 ~ 280mmHg (0 ~ 37.3kPa) | |
Neonate 0 ~ 140mmHg (0 ~ 18.7kPa) | ||
Initial Cuff Inflation | Adult/Pediatric 170 ± 10mmHg (22.7 ± 1.3kPa) | |
Neonate 100 ± 10mmHg (16.0 ± 1.3kPa) | ||
Deflation Pressure | 30mmHg(4.0kPa) higher than the last systolic pressure. | |
Cuff Inflation Rate | No greater than 50mmHg/sec | |
Measurement Time | Typical 25 seconds | |
Maximun 40 seconds | ||
Typical Stat 20 seconds | ||
Pressure Display Accuracy | ± 3mmHg |
► Company Profile
As a medical equipment expert, we have many years of experience in
the production and sales of medical equipment. Our products are of
high quality and have always won unanimous praise from customers at
home and abroad. We are proficient in medical equipment maintenance
technology, and have always been at the forefront of developing the
most advanced types of medical equipment and accessories to provide
customers and society with the best quality services. We adhere to
the concept of win-win cooperation and are committed to protecting
the medical device market, providing perfect preferential prices,
excellent quality, and reliable services.
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