Patent · US Expired

Dental syringe for filling cavities in teeth

US4431414A · kind A · utility

15Cited by
3References
10Claims
0Family size

Inventor

Key dates

Filing dateJan 25, 1982
Grant dateFeb 14, 1984
Priority date
Expiry dateJan 25, 2002

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61C5/64
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A dental syringe for filling cavities in teeth with dental filling materials and can be dispensed into a tooth cavity in measured in increments of all or a portions of one or two-predetermined quantities of filling material. The syringe is composed of an elongated body barrel having two hollow, contiguous parallel shafts and a disposable chamber removably attached to the barrel and having two hollow contiguous parallel shafts which are coextensive and continuous in precise axial dimensions as the shafts in the barrel.

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