Patent · US Expired

Heart valve

US4556996A · kind A · utility

118Cited by
5References
6Claims
0Family size

Assignees

Inventor

Key dates

Filing dateAug 4, 1983
Grant dateDec 10, 1985
Priority date—
Expiry dateAug 4, 2003

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2/2409
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An artificial heart valve includes tapering flaps which are suspended to pivot between open and closed positions.

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