Patent · US Expired

Needleless injector and ampule system

US6942638B1 · kind B1 · utility

23Cited by
12References
16Claims
0Family size

Inventor

Key dates

Filing dateMay 30, 2002
Grant dateSep 13, 2005
Priority date—
Expiry dateApr 20, 2023

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2005/31521
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A needle-less injection system that uses an ampule with an elongated hollow body. The elongated hollow body including a nozzle and an aperture for accepting a plunger, the aperture for accepting a plunger extends from the second end towards the first end and is in fluid communication with the nozzle. The ampule cooperates with a generally cylindrical plunger. The plunger includes a first end and a second end, and a concave rib. The concave rib is extends about the perimeter of the plunger and extends towards the first end of the plunger.

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