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RTM-01-RES
Computer Based Radiometer for Measuring Integral Internal Temperature
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Diagnostic
System Description
Changes in temperature caused by inflammatory
processes or higher metabolic activity of cells precede to anatomical
changes that can be detected by mammography and ultrasound, so RTM-01-RES
is very promising for earlier detection of internal organ diseases and
for detection of non-palpable neoplasm. The method is absolutely harmless
both to the patients and to medical personnel, so examinations can be
conducted as many times as you need. It allows to detect a pathology in
proper time and monitor treatment without extra radiation load. As RTM-01-RES
allows to select patients with proliferative activity of tissues, it can
be used for earlier detection of breast cancer and screening.
The internal temperature is measured by reading
natural electromagnetic radiation from the patient's tissue at microwave
frequencies. The temperature abnormality can be detected at a depth of
5-7 cm. Computer data processing helps doctors to analyse temperature
readings.
Results of RTM-diagnosis are shown on the
monitor of the computer or printed out as a thermogram and temperature
field on the projection of an investigated organ. The advantage of the
method is an expert computer system for the differential breast cancer
diagnosis.
Clinical
trials
Clinical trials conducted in over 1000 patients
have shown a high efficiency of RTM-01-RES for the breast cancer detection
(its detective ability is about 90% and it is comparable with mammography).
RTM-01-RES has undergone State Clinical Trials
as a medical device for measuring purposes. Also we have got a licence
on using RTM-01-RES in medicine practice from the Health Ministry of the
Russian Federation, Russian Certificate of Type Affirmation, Russian Certificate
of Conformance and German Certificate on electrosecurity.
The system is protected by the patent of
the Russian Federation and there are no analogs abroad.
RTM-01-RES has been exposed at several international
exhibitions and it is used successfully in England, Australia, Slovenia,
Ukraine and in many Russian cities.
System
Structure
The system consists of the following items:
- Internal Temperature Sensor with antenna
for receiving electromagnetic waves
- Skin Temperature Sensor
- Data Processing Unit
- PC and a color printer with software including
an expert system for breast cancer detection.
Training
The training course in RTM-Diagnosis consists
of theory, software training and practical training in breast cancer detection.
The course lasts 30 hours. In Moscow the training may be conducted at
the center of Customer.
The warranty period for the system is 12
months.
Medical
and Technical Specifications of RTM-01-RES
| Depth
of detection of thermal abnormality |
from 3
to 7cm |
| Accuracy
of measuring the internal temperature |
0,2
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| Time
of measuring at one point |
8 |
| Antenna
diameter |
39 mm |
| Power
consumption 220 V 50 or 60 Hz |
less 20
Watt |
| Interdepartmental
correspondence with PC |
by protocol
RS 232 RS 232 |
| Basis
Weight |
not more
3 kg |
| Electrosecurity
|
National
standards 1, 50 267.092 and 601-1-1. |
The distinctive feature of microwave radiometry
is the extremely low strength of a signal entering the input of the antenna
from the biological tissues. This signal strength is approximately 4*10-13
Watt
When the measurement is carried out it is
necessary to distinguish temperature differentials of a tenth part of
a degree. They correspond to a signal strength of 10-16 Wt.
Therefore special circuits are applied for the reception, amplification
and processing of signals. These techniques are protected by the patent
of the Russian Federation.
The radiometer is produced on an original
scheme. It is a modulated null-radiometer with a slipping circuit for
compensating the reflection between the biological object and the antenna.
This provides measuring intensity of natural electromagnetic radiation
of patients' internal tissues with a high accuracy.
The use of advanced technologies in microstrip
board production as well as microwave microelectronics ensures high quality,
and reliability of the equipment.
In the RTM-01-RES radiometer there are no
problems of regulation and control, which used to distract medical personnel
from conducting main function i.e. the examination of a patient. The device
does not require calibration. Instrument tests on long and continuous
operation have shown that the system keeps not only differential but also
an absolute accuracy of measuring the internal tissue temperature.
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