|
|
|
The Maltron Sheffield MK 3.5, The Pioneer of Electrical Impedance
Tomography
|
The most widely used Patented EIT system in the world ...
|
The Maltron Sheffield Mk
3.5 Electrical Impedance
Tomography (EIT) is the birth of a novel Imaging Technique in the Medical
field that is non-invasive, non-intrusive, non-radiation and with no
side effects.
The MK 3.5 manufactured by
Maltron is a state of art Impedance Imaging research and clinical
tool that has applications in Pulmonary, Gastric and Body Segment
monitoring as well as Tissue characterization. Over 20 years of
research in the field of electrical Impedance Tomography has
provided a state of art tool for medical
applications.
|
|
Biological tissues conduct electricity as they
contain ions which act as charge carriers. Some tissues conduct
electricity better than others because they contain more ions that
are free to carry charge. Bone is a poor conductor where as muscle
is a relatively good conductor. |
|

|
As
there are quite large contrasts in the resistivity of
different tissues, The MK 3.5 can distinguish many different tissue types.
The first tomographic images were those of Brown and his colleagues in 1983. |
|
Resistivites of some body
tissues: |
| Muscle |
2 - 4
Ωm |
| Fat |
20 Ωm |
| Lungs |
10 Ωm |
| Blood |
1.6
Ωm |
| Bone |
>40
Ωm | |
|
Tomographic image of an
arm, showing the bones and fat as resistive areas |
|
|
The Maltron Sheffield Mk
3.5 applies a set of electrodes around the area
under investigation and then makes a series of impedance
measurements. These measurements are used to produce
images.
|
The MK 3.5 offers several
advantages over other methods of imagining and monitoring
the body: |
 |
Low Cost |
 |
No known hazards |
 |
Long term monitoring of Physiological
function is possible |
 |
Rapid data collection so that changes in
function can be measured |
 |
By making spectral measurements, tissue characterizations can be made
|
|
|