80-0067-00-MO-RevF 2017-10-03 SunTech CT40 User Manual | 3
Welcome to the SunTech CT40
Thank you for choosing the SunTech CT40 for accurate spot-checking of vital signs.
The SunTech CT40 is designed to be simple and efficient to use and the CT40 features:
• mobility for improved and compact efficiency in a cost-effective package
• automatic BP checks
• averaging of multiple BP readings
• optional use of stethoscope for traditional auscultatory BP measurement
• robust memory
• connection to EMR system
• multiple options for pulse oximetry and temperature measurement
SunTech CT40 Description and Operation
The CT40 vital signs device can perform automatic blood pressure, pulse oximetry and body temperature
measurements for clinical professionals. For measuring blood pressure, a blood pressure cuff is placed around the
patient’s non-dominant upper arm. The cuff is inflated automatically and blood pressure is determined by the
oscillometric method—which senses pressure waves in the artery when occluded by pressure in the cuff.
Measurement of the frequency of the pressure waves enables heart rate to also be measured. The pulse oximetry
function non-invasively measures the patient’s percent oxygen saturation of arterial hemoglobin using principles of
plethysmography via a SpO
2
sensor placed on the patient’s finger. Temperature can be measured using one of two
different kinds of temperature probes. The oral/axillary/rectal temperature probe contains a thermistor that
generates a voltage based on changes in temperature, and these voltages are recorded by the temperature circuitry.
The touchless infrared temperature probe detects radiated infrared energy from the temporal artery. The CT40 is a
portable device, approximately 205 x 190 x 140 mm in size and weighs approximately 1440 g without battery. Control
buttons allow the user to stop/start a BP measurement, save a set of measurements to memory, change between BP
modes, and return to the home screen. There is also a selection knob that is used to scroll and select different device
options. The backlit LCD display shows the user device status and measurement information. The device uses a
microprocessor with software, which is not accessible to the user. The unit is powered by a single rechargeable
lithium-ion battery at the rear of the device. Two USB-A port connections can be used to connect, an optional printer,
barcode scanner or Wi-Fi dongle. There is also RJ11 Ethernet port for network connectivity, and a mini-USB port used
to connect the device to a PC or laptop for advanced device configuration.
Note: For purposes of this manual, the SunTech CT40 (Model 260) may be referred to as “the SunTech CT40,” “the
CT40” or “the device”.
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