Patent · US Expired

Transfer set for vials and medical containers

US6571837B2 · kind B2 · utility

122Cited by
164References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 2001
Grant dateJun 3, 2003
Priority date
Expiry dateJul 24, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S215/03
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A transfer set assembly for transferring fluids between a first container, such as a conventional medical vial, having a sealed open end and a second container such as a conventional IV infusion bag. The transfer set includes a collar having a proximate tubular end portion for securement to the container, a needle cannula and holder assembly, which is telescopically received in a distal tubular portion of the collar, and a closure including a tubular body portion having an open proximate end which is telescopically received over the needle cannula and holder assembly and the distal tubular portion of the collar, a closed distal end portion and an inner tubular portion which is integral with the closed distal end. The inner tubular portion includes a free end having spiral camming surfaces which mate with spiral camping surfaces on the inside surface of the tubular distal portion of the needle cannula holder. The tubular body portion of the closure includes lateral slots which receive projections on the collar and contiguous camming surface which extends toward the proximate open end of the closure. Rotation of the closure relative to the collar first drives the mating spiral cammin…

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