Patent · US Expired

Dental x-ray diagnostics installation for producing panorama tomograms of the jaw of a patient

US4788699A · kind A · utility

12Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 1987
Grant dateNov 29, 1988
Priority date
Expiry dateFeb 24, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B6/51
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A dental X-ray diagnostic installation for producing panoramic tomograms of the jaw of a patient is provided with a multiple diaphragm part having a plurality of different diaphragm apertures which can be adjusted to be positioned into a beam path from the X-ray source to enable producing different exposures. Preferably, the multiple diaphragm part is mounted for rotation on an axis so that the diaphragm apertures can be respectively aligned to the beam path of the radiation source. The multiple diaphragm part can be either a one-piece diaphragm member having a cylindrical configuration, a multiple piece member having a disk configuration, or can be a box-shaped carrier carrying a plurality of diaphragm inserts.

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