Mindray VS-900 Service Manual

2-1
2 Theory of Operation
2.1 Overview
The Monitor is intended for monitoring physiologic parameters, including SpO
2
, PR, NIBP
and TEMP, on adult, pediatric, and neonatal patients in healthcare facilities by clinical
physicians or appropriate medical staff under the direction of physicians.
The equipment also:
 Provides audible and visual alarm indications in case of patient or equipment problems;
 Provides display, review, storage and printing of monitored information;
 Incorporates multiple input devices such as buttons, knob, and touchscreen; and,
 Enables program upgrade over the network.
Nurse Call
CMS/Gatewa
y
AP
LAN
W
i
-
F
i
EMR Server
Other device
Reserved port
Monito
r
The above figure shows a system consisting of the vital signs monitor and its peripheral
devices. The vital signs monitor:
 Can be used for monitoring the physiological parameters, giving alarms and reviewing
patient data, etc.
 Supports recorder.
 Supports nurse call function.
 Supports Wi-Fi module, wired network, remote view, and communication with the
Central Monitoring System (hereinafter called CMS).
 Supports external AC power source and an internal battery.
 Supports clinical data acquisition, which has two ways: by SD card and by USB drive.
The system software should support data output function, for SD card is a built-in
device.

Mindray VS-900 Specifications

General

RESP	Impedance Respiration
Display Size	12.1 inch
Parameters	ECG, SpO2, NIBP, RESP, TEMP
ECG	3-lead or 5-lead ECG monitoring
IBP	Optional, up to 2 channels
CO2	Optional, Sidestream or Mainstream CO2 monitoring
AG	O2, N2O, CO2
ANES	Multiple anesthetic agents
Connectivity	Ethernet, USB
Power Supply	AC power and battery