Patent · US Expired

Needleless syringe for injecting a liquid contained in a prefilled ampule

US7056300B2 · kind B2 · utility

15Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 26, 2001
Grant dateJun 6, 2006
Priority date
Expiry dateJul 30, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2005/3143
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A needleless syringe comprises a reservoir sealed with mobile closure elements enclosed the liquid, the reservoir being initially isolated from the injection system which is so designed that it comprises at least two peripheral injection conduits located outside a receptacle comprising a blind bore which receives the downstream closure element such that the inlets of the conduits are cleared.

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