medical thermography
| WHAT'S THERMOGRAPHY |
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The background of the application of thermography in medicine is related to the strong correlation which exists between the functional conditions of the human body and its internal temperature.
In normal conditions, the human body is able to keep its internal temperature constant, no matter what the external conditions. The heat produced is primarily dispersed to the environment through the skin. The skin, like any body with a temperature over absolute zero, radiates electromagnetic energy in the surrounding environment at an intensity which is highest in the infrared region of the electromagnetic spectrum.
Degeneration processes, fibrosis and circulation problems, cause a decrease in local temperature of the affected areas, while inflammation and excessive blood circulation increase the temperature.
The thermal radiation emitted by the human body can be measured with special infrared sensors (the main transduction elements in infrared cameras). These sensors convert the infrared radiation emitted by the surface of the skin to electrical voltage values proportional to the measured temperatures. These voltage values, can be displayed on a monitor by means of a specific software using different colours, from blue to red.
Different types and models of infrared cameras exist on the market. Most of them are used for technical applications such as: night time monitoring, fire fighting devices etc. which require different spectral bands and sensitivity.
The THERMO-IEWY infrared camera is designed exclusively for medical/clinical applications. |
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THE ADVANTAGES OF THERMOGRAPHY:
Safety for patients and doctors
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Infrared thermography is based on a passive method: the device does not interact with the patients being diagnosed, but receives information from them without affecting them in any way. There are few devices which operate with passive methods in medicine, among these are the ECG and EEG.
The intrinsic safety of this method makes infrared thermography free from any limitations or constraints. Thermographic examinations can be performed on anyone and in any condition, even children and pregnant women. |
| High reliability |
| With infrared thermography all possible epidemiological limitations, precautions or restrictions disappear. Thanks to the passive diagnosis method and absence of any patient-doctor contact, a thermographic exam cannot negatively affect the patient's health in any way, not even theoretically. Thus, infrared thermography opens new prospects for its use in diagnostic screening. |
The high reliability of infrared thermography is linked to the stability of local temperatures for long periods.
It can be used to simply check for variations and successfully apply thermography as an objective method for monitoring the evolution of pathological processes. |
Contact-free examination
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With infrared thermography all possible epidemiological limitations, precautions or restrictions disappear. Thanks to the passive diagnosis method and absence of any patient-doctor contact, a thermographic exam cannot negatively affect the patient’s health in any way, not even theoretically. Thus, infrared thermography opens new prospects for its use in diagnostic screening. |
Thermography (also called thermal imaging or infrared imaging) was approved by the U.S. Food and Drug Administration (FDA) in 1982 as a supplement to mammography in helping to detect breast cancer. |
Download Thermo IEWEY brochure 
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Tel: (01767) 692692 Fax: (01767)
691831 |
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