Patent · US Active

Drug filled delivery assembly

US9889258B2 · kind B2 · utility

28Cited by
10References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 2012
Grant dateFeb 13, 2018
Priority date
Expiry dateJan 17, 2035

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2005/2474
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A drug delivery assembly includes a housing (110), a piston (120) axially displaceable in the housing, and a variable volume reservoir (105) formed by the housing and the piston and containing a fluid first drug. The assembly further includes an exterior fluid inlet (150) arranged in or configured to be arranged in fluid communication with the reservoir, a fluid outlet (145) arranged in or configured to be arranged in fluid communication with the reservoir, biasing means (130) configured for moving the piston forwards, and releasable retaining means (113) configured for retaining the piston in an initial position, whereby the biasing means is allowed to move the piston forwards to expel fluid drug from the reservoir when the retaining means is released.

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