Method for determining the perfusion

Surgery – Truss – Pad

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128666, 356382, A61B 500

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active

048671657

ABSTRACT:
A method is proposed for determining the perfusion by evaluation of the light emitted by at least one light source and influenced by the arterial blood, by use of optical measuring means which measure the intensity variation as a consequence of the variation in arterial blood volume. According to this method, the perfusion is either displayed as variation in thickness from the sum of the parallel tissue enlargements d or as normalized volume. The perfusion is derived by one or more measurements of light intensity. According to the invention, for the first time a method for determining perfusion as a quantitative value is provided.

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IEEE Transactions on Biomedical Engineering, BME-33, Aug., No. 8, New York, pp. 795-797: Noninvasive Measurement of the Volume Elastic Modulus in Finger Arteries Using Photoelectric Plethysmography.

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