Automatic regulation of a position of an X-ray focus of an X-ray imaging system

US12186122B2 · kind B2 · utility

Assignee

• Siemens Healthineers AG · DE

Inventors

• Thomas Weidinger · Erlangen, DE
• Ulf Lanz · Erlangen, DE
• Johannes Gareus · Forchheim, DE

Key dates

• Filing date: Apr 22, 2022
• Grant date: Jan 7, 2025
• Expiry date: May 19, 2043

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B6/4021
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

In a method for regulating a position of an X-ray focus on the anode of an X-ray source of a scan unit of an X-ray imaging system, a combined actual position of the X-ray focus is determined by a combination of a measured position of the X-ray focus and a model-based position of the X-ray focus, which is determined based on a measured value of a deflection current. On the basis of the combined actual position and a target position, a manipulated variable is determined. On the basis of the determined manipulated variable, a regulation is performed to correct a deviation of the position of the X-ray focus from the target position.