Patent · US Expired

Tool for use in applying filler material to an endodontically prepared root canal

US4758156A · kind A · utility

50Cited by
3References
20Claims
0Family size

Inventor

Key dates

Filing dateApr 2, 1987
Grant dateJul 19, 1988
Priority date
Expiry dateApr 2, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61C5/50
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A tool for use in applying filler material, such as gutta-percha or the like, to an endodontically prepared root canal of a tooth in the form of an elongated shaft of material having high biological tolerance, the shaft having a handle portion at the proximal end, the shaft being adaptable to receive filler material formed thereon formed into a conical configuration so that the shaft having the filler material thereon may be positioned in the root canal and the shaft thereafter severed by applying force to the handle portion to retain the portion of the shaft and the filler material within the root canal.

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