Patent · US Expired

Hypodermic syringe having a telescopic assembly between cartridge and medicament holder

US4568346A · kind A · utility

54Cited by
3References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 24, 1983
Grant dateFeb 4, 1986
Priority date
Expiry dateOct 24, 2003

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61J1/201
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The invention relates to a hypodermic syringe comprising a cartridge having connected thereto an injection needle, a medicament holder closed by means of a piercible stopper, and a telescopic assembly which detachably connects the cartridge and the holder. The part of the injection needle extending within the telescopic assembly is surrounded entirely by a sheath of a flexible material the closed end of which bears against or is present at a short distance from the stopper of the medicament holder.

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