AOT_Pri_Introduction_to_C_arm_technology

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2025-03-06 6 0 3.6MB 26 页 5.9玖币

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Introduction to C-arm technology

AOT Basic Principles Course

Florian Gebhard

Learning outcomes

•Identify all C-arm components and related equipment

•Describe configuration and constraints of C-arm

•Describe capabilities and clinical application of C-arm

for pre-, intra-, and postoperative imaging

•Explain optimal positioning of patient, healthcare staff,

and equipment, while minimizing radiation exposure

Outline

•What is a C-arm?

•Image acquisition: collimation

•Image intensifier

•C-arm movement

•Use of C-arm: pre-, intra-, and postoperatively

•C-arm attitude:

•Protective clothing

•Technical contributions to radiation dose reduction

•How much radiation is safe?

•Semi-circular ‘C’-shaped arm

•X-ray source fixed to one end

•Image intensifier fixed to other

end

•Display screen shows live

image feed

What is a C-arm?

Image courtesy of Siemens

•Image intensifier requires

reduced amount of radiation to

produce image

Image acquisition: collimation

•X-rays pass out of vacuum tube through a window sealed onto

vacuum envelope of x-ray tube

•Size of window can be controlled (collimation)

•The smaller the window, the sharper the x-ray and the smaller the

dose of radiation

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摘要：

IntroductiontoC-armtechnologyAOTBasicPrinciplesCourseFlorianGebhardLearningoutcomes•IdentifyallC-armcomponentsandrelatedequipment•DescribeconfigurationandconstraintsofC-arm•DescribecapabilitiesandclinicalapplicationofC-armforpre-,intra-,andpostoperativeimaging•Explainoptimalpositioningofpatient,heal...

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AOT_Pri_Introduction_to_C_arm_technology

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