Patent · US Expired

Closure with microbial filter

US4934545A · kind A · utility

40Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 1989
Grant dateJun 19, 1990
Priority date
Expiry dateJan 19, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61J1/1468
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A closure containing an internalized microbial filter for use in enteral delivery set assemblies. The closure comprises a generally cylindrical side wall, a planar top surface having first and second projections, the first projection being associated with the spikable membrane while the second projection is associated with a filter and with means to limit air access to the filter. The closure also includes a bottom surface having an aperture which extends through the closure to the top surface thereof with the filter being secured to the bottom surface and extending across the opening of the aperture.

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