Patent · US Expired

Device suitable for mixing medication

US4979941A · kind A · utility

63Cited by
14References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 5, 1989
Grant dateDec 25, 1990
Priority date
Expiry dateDec 5, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61J1/2051
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The present invention comprises a device suitable for mixing medicaments which comprises two separate containers. The first container is provided with a reservoir section and a neck section such that the cross section of the neck section is less than the cross section of the reservoir. A stopper is snugly fit within the neck section adjacent to the reservoir and a spike and plunger member is snugly fit within the neck section adjacent the stopper on the side opposite the reservoir. The spike and plunger member has a midportion with a hole therein, and a plunger projecting from the midportion adapted to make contact with the stopper. A spike extends from the midportion in the opposite direction.

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