C-Arm
C-Arm Fluoroscope · Mobile C-Arm · Fluoroscopy · Fluoro · Image Intensifier · Mini C-Arm
A mobile x-ray machine with a C-shaped arm: the x-ray tube at one end and the image intensifier (detector) at the other. A separate cart with one or two monitors shows the images.
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Gives real-time x-ray images during surgery. The C-arm is moved so the OR table sits between the tube and the intensifier, and it can slide along the table for multiple views. Used for fracture fixation, spine levels and screw placement, cholangiograms, angiographyan-jee-OG-ruh-feeAn imaging test that shows blood vessels by injecting a contrast dye and taking x-ray, CT or MRI pictures.angi/o vessel-graphy process of recordingFull entry and other cases needing live imaging; it has replaced portable x-ray machines in many hospitals.
Lengths and variants
Standard mobile C-arms; robotic and 3-D C-arms; the O-arm gives 360-degree 3-D images for spine surgery.
What experienced techs know
What techs who reach for it every day know about it.Pro
Through the case
In the order you meet it: before, during and after the case.
- During the case
Caution
What not to do with it, and why.Pro
Know it on sight.
With Pro, for every instrument in the library. Cancel any time.
Or scrub in free: 5 questions a day.
On 24 setups
Every setup it is laid out on.
Every setup this instrument is laid out on, with photos of each table.
See ProKnow this instrument?
Send a clearer photo, another name it goes by, or a fix for this page.
5 sources
- Fuller JK. Surgical Technology: Principles and Practice. 8th ed. Chapter 6 (Diagnostic and Assessment Procedures), p. 76
- Fuller JK. Surgical Technology: Principles and Practice. 8th ed. Chapter 7 (Environmental Hazards), p. 93
- Fuller JK. Surgical Technology: Principles and Practice. 8th ed. Chapter 22 (General Surgery), p. 521
- Fuller JK. Surgical Technology: Principles and Practice. 8th ed. Chapter 29 (Orthopedic Surgery), p. 765
- Rothrock JC. Alexander's Care of the Patient in Surgery. 17th ed. Chapter 21 (Neurosurgery), p. 781
The rest of this card is Pro.
The photos, the description, the uses and the lengths stay free. Pro opens the rest on every instrument: the 3D model, the notes from the table, where it is kept, every setup it is on, and practice.
Free, for good. No card.
- All 3,206 instrument cards
- Every General setup in full
- 5 exam questions a day
- Your own preference cards
Pass your exam. Know every case.
Everything in Free, plus:
- All 294 setups in every specialty: back table, Mayo and every step
- Practice that never runs out and full timed exams for the CST, TS-C, CRCST, CSPDT and CSFA, with the why behind every answer
- Flashcards on any tray, timed to come back before you forget
- Every instrument card in full: the 3D model, cautions, inspection, how to pass it
Cancel any time from your account. Not worth it? Email us within 30 days of a charge for a refund, one per customer. Refund policy
Pro is also in the CSTSetup app, on the same account. Already have Pro? Log in

Send a photo or a fix
A photo of it on your tray, a name your OR calls it, or anything wrong on this page. Your email is only used to credit you. Submissions stay private and are reviewed by our team; accepted ones earn a Contributor credit here.