The diagnostic devices
The Nossal OximeterAn oximeter is a very useful device for measuring the oxygen saturation in the blood. It does so by shining light of two different wavelengths through the finger and measuring the absorption of the light by the tissue and blood in the fingertip. Unfortunately currently available commercial models are prohibitively expensive and are rarely found in health centres or district hospitals in developing countries.
We have developed a low-cost pulse oximeter for use in developing countries. One way we have kept the price down is by sending the data to the mobile phone for interpretation and display. The testing process is still ongoing, and the completed devices are not yet available for sale. But feel free to view the demonstration of the current prototype, and visit again soon for the production model...
Video demonstration
Low-cost ECG (Under development)
An electrocardiogram measures and displays the electrical activity of the heart. This device will allow a health worker to display an ECG trace from a patient on the screen of the mobile phone, with a choice of leads I, II, and III. A brief period of the ECG trace will be stored by the phone so that the health worker can back it up and view interesting complexes again at leisure.
This device is still under development - visit the site again soon...
Low-cost Phonocardiogram (Under development)
A phonocardiogram uses a small microphone applied to the patient's chest to record the sounds of the heart and display on the screen, together with the pulse rate. As the intensity of the heart sounds varies with respiration, it is also commonly possible to automatically calculate and display the respiratory rate.
This device is still under development - visit this site again soon...