Patent · US Expired

Drug delivery collagen-impregnated synthetic vascular graft

US5197977A · kind A · utility

451Cited by
6References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 1992
Grant dateMar 30, 1993
Priority date
Expiry dateApr 30, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L2300/602
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A collagen impregnated vascular graft including drug materials complexed with the collagen to be released slowly from the graft following implant. The graft is a porous synthetic vascular graft substrate having collagen fixed to the graft substrate and cross-linking the collagen in situ to render the porous substrate blood-tight. The drug materials complexed with the collagen fibrils may include antithrombic agents, antibacterial, antimicrobial agents, antifungal agents and the like.

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