The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 23, 2004
Filed:
Mar. 27, 2002
Börje Rantala, Helsinki, FI;
Instrumentarium Corp., Helsinki, FI;
Abstract
The invention concerns a system for the measurement of cardiac ( ) output. The system comprises a heating resistor ( ) placed in the vena cava ( ), a temperature sensor ( ) placed in the pulmonary trunk ( ), an isolation interface ( ) for separating an isolated side ( ) and a non-isolated side according to patient potential, a power source ( ) which is placed on the non-isolated side and produces the energy to be supplied to the heating resistor ( ), and measuring elements ( ) for the measurement of the power supplied to the heating resistor ). According to the invention, the power measuring ( ) elements are disposed on the isolated side ( ), allowing the effective power supplied to the heating resistor ( ) to be computed as accurately as possible.