Patent · US Expired

Computer tomography method using a cone-shaped bundle of rays

US7403587B2 · kind B2 · utility

7Cited by

15References

20Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Claas Bontus · Hamburg, DE
Thomas Kohler · Neuenstadt am Kocher, DE
Michael Grass · Hanstedt, DE

Key dates

Filing date	Aug 23, 2004
Grant date	Jul 22, 2008
Priority date	—
Expiry date	Feb 1, 2025

Classification

Technology area (CPC G)Physics
CPC primaryG06T2211/412
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The invention relates to a computer tomography method in which an examination area is passed through by a cone-shaped bundle of rays. The bundle of rays comes from a radiation source location which moves around the examination area on an overall trajectory. The overall trajectory consists of a first, closed partial trajectory, at least one second, closed partial trajectory and at least one third partial trajectory which connects the first and the at least one second partial trajectories to one another. Measured values which depend on the intensity in the bundle of rays on the other side of the examination area are acquired by means of a detector unit while the radiation source location is moving on the overall trajectory, and a CT image of the examination area is reconstructed from these measured values.

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