Patent · US Expired

Syringe for the controlled discharge of viscous materials

US5531709A · kind A · utility

19Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 1994
Grant dateJul 2, 1996
Priority date
Expiry dateSep 23, 2014

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M5/24
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A syringe in which a discharge nozzle is connected to a cartridge of the syringe by ultrasonic welding. The discharge nozzle includes a triangular flow indicator configured to abut a triangular encircling groove located on the cartridge.

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