A method and apparatus for measuring central venous pressure (CVP) is disclosed, along with an improved transducer (50) for measuring CVP in infants. Changes in CVP may also be monitored by employing the method and apparatus of the invention. According to the invention, a transducer is disposed on the...http://www.google.es/patents/US4986277?utm_source=gb-gplus-sharePatente US4986277 - Method and apparatus for non-invasive monitoring of central venous pressure
Method and apparatus for non-invasive monitoring of central venous pressure