Patent · US Active

Integrated structure of preparation syringe

US11110033B2 · kind B2 · utility

0Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 2017
Grant dateSep 7, 2021
Priority date
Expiry dateApr 12, 2039

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2005/31518
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An integrated structure of a preparation syringe includes a stretchable piston, a barrel, a needle, an exposed rubber plug, a sealing sheet, a built-in rubber plug, a sealing rubber plug and an engaging rubber plug. One end of the barrel is provided with the stretchable piston, and another end of the barrel is provided with a clamping column. The exposed rubber plug is provided on a side of the stretchable piston away from the barrel. The built-in rubber plug is provided within the barrel. A Scale mark is provided on a circumferential surface of the barrel. The sealing rubber plug is inlaid and sleeved on the clamping column. The sealing sheet is provided on a side of exposed tuber plug away from the barrel. A blunt end is provided at an end of the needle away form a needle tip. The engaging rubber plug is provided outside the blunt end.

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