Patent · US Expired

Dental anesthetic and delivery injection unit

US6022337A · kind A · utility

39Cited by
11References
37Claims
0Family size

Inventors

Key dates

Filing dateFeb 23, 1998
Grant dateFeb 8, 2000
Priority date
Expiry dateFeb 23, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M5/422
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An improved injection device includes containing a pump and pump control circuitry, a handle with a needle for delivering a therapeutic agent to a patient, a cartridge holding the agent and a tube for delivering the agent from the cartridge to the handle. Preferably the cartridge is disposed in a cartridge holder coupled to the tube. A quick disconnect coupling is provided between the cartridge holder and the housing so that it can be easily mounted thereon. The housing further has a receptacle for receiving and storing the tip of the handle.

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