Dual energy scanning protocols for motion mitigation and...

Details Dual energy scanning protocols for motion mitigation and... Dual energy scanning protocols for motion mitigation and...

2007-06-26

2007-06-26

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S008000, C600S428000

Reexamination Certificate

active

11205556

ABSTRACT:
A method for reducing mis-registration during multiple energy scanning on computed tomographic (CT) imaging systems or multiple energy electron beam tomographic (EBT) systems includes scanning a portion of a patient including a cyclically moving body part using a multiple energy computed tomographic (CT) imaging system or multiple energy electron beam tomographic (EBT) system having at least two different energies, monitoring the cyclically moving body part, and gating the multiple energy CT imaging system or multiple energy EBT system in accordance with the monitored cyclically moving body part so that acquisitions are acquired at at least two different kVps. The data acquired at the different kVps are then utilized to generate material decomposition images of the cyclically moving body part.

REFERENCES:
patent: 6643536 (2003-11-01), Nicolas et al.
patent: 2004/0136490 (2004-07-01), Edic et al.
patent: 2004/0136491 (2004-07-01), Iatrou et al.
patent: WO 2004/008943 (2004-01-01), None
patent: WO 2004/008967 (2004-01-01), None

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