Patent · US Active

Dual chamber passive retraction needle syringe

US8721599B2 · kind B2 · utility

11Cited by

59References

32Claims

0Family size

Assignee

Becton, Dickinson and Company · US

Inventors

Ivan Zivkovic · Mahwah, US
Russell Cole · New York, US

Key dates

Filing date	Jul 20, 2011
Grant date	May 13, 2014
Priority date	—
Expiry date	Apr 17, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2005/3235
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Embodiments of a retractable syringe assembly are provided that include a dual syringe barrel configuration. In one or more embodiments, the assemblies include a fluid barrel for retaining fluid and a retraction barrel for housing the retraction feature and the needle hub assembly. The assemblies include a trigger element that moves with the plunger rod to activate the retraction feature within the retraction mechanism.

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