A method for tightly invasive measurement and / or monitoring of the blood pressure and apparatus for blood pressure measurement

摘要

The present invention relates to a method and a device for the non-invasive measurement and / or monitoring of the blood pressure. It is the object of a measurement or monitoring also connected with the circumstances and during physical loads of the test person and in particular by means of acoustic artefacts falsifications of the measured values occurring to eliminate. The measurement is carried out, using a a blood vessel alternately concentrated and the collar, by means of acoustic detection as well as acousto-optical - electrical conversion of the korotkoff - noises occurring in the blood vessel, wherein, according to the invention by the muscle activity of the patient and artifacts caused by ambient noises, it is possible to compensate for these separately detected, acousto-optical - electrically converted and the resulting electrical signals on the presence of the krorotkoff - noise signal to be evaluated are superimposed in phase opposition. Moreover, by means of the muscle activity of the test person resulting changes in the pressure in the sleeve by means of a control circuit is compensated for, in which at least the to the narrowing of the blood vessel pneumatically chamber of the cuff, and which can be filled with an equalizing volume which is connected to it by way of a valve are included.