Non-invasive measurement method for partial oxygen pressure via the surface of the skin & indirect measurement of the systemic arterial oxygen pressure was originally developed for blood gas analysis monitoring in the intensive care / neonatology field.
Science behind
What is optical TcpO2 measurement?
Luminescence lifetime measurement is the emission of light by a substance as a reaction after an activation.
Fluorescence lifetime measurement is a form of photoluminescence as a result of singlet–singlet electronic relaxation (typical lifetime: nanoseconds).
Medicap optical probe consists of: fluorescent matrix (layer), LED lamp & heating unit. Skin/tissue is heated – so the oxygen diffuses into the matrix = O2 marker molecule sensitive.
Medicap‘s optical fluorescence based TcpO2 measurement
In the matrix the „green“ LED light is absorbed from the oxygen molecules and „red“ light is emitted / given back. Dependent on the oxygen concentration, fluorescence lifetime is measured in the matrix a.k.a. quenching.
Areas of application
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Wound healing process
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Angiological diagnostics
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Chronic venous insufficiency and ischemia
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Confirmation of diagnosis and blood gas monitoring
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Measurement for individual amputation level
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Fitting of prostheses
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Diabetes & peripheral artery occlusive disease PAOD
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Diagnostics in vascular ischaemia of the hypogastric
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Circulation and/or before or after aortobifemoral bypass surgery