Patent · US Expired

Apparatus and method for measuring heart condition

US3965339A · kind A · utility

10Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 1975
Grant dateJun 22, 1976
Priority date
Expiry dateApr 3, 1995

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B5/7242
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Apparatus and method for continuous measurement and display of the endocardial viability ratio of a patient to provide an indication of the condition of the heart muscle. A system using signals representative of the systemic arterial pressure and the left atrial pressure as inputs to generate a tension time index and a diastolic pressure time index by separation of the systemic arterial pressure wave form into two parts and selective integration of the inputs, followed by division to obtain the desired ratio.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.