Patent · US Expired

Cardiac prosthesis having integral blood pressure sensor

US4781715A · kind A · utility

53Cited by
6References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 30, 1986
Grant dateNov 1, 1988
Priority date
Expiry dateApr 30, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M60/894
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An integral blood pressure sensor for a cardiac prosthesis of the type having a fluid chamber and a blood chamber separated by a flexible diaphragm which is actuated by a drive fluid pulsatingly supplied to the fluid chamber for pumping blood from the blood chamber. The blood pressure sensor includes at least one transducer integral with a wall of the blood chamber and in pressure-sensing relation to the interior of the chamber. The invention also includes a method of manufacturing a cardiac prosthesis having an integral blood pressure sensor.

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