A C-arm is also called xray image intensifier and is a commonly used gadget in orthopedic surgeries. It is also used in many other procedures like gastroendoscopy, vascular surgery, neurosurgery etc.
There are two types of C-arms or fixed image intensifiers – fixed and mobile.
It is an imaging device which uses X-rays and produces a live image feed which is displayed on a TV screen. The term image intensifier refers to a special component of the machine, which allows low intensity X-rays to be amplified, resulting in a smaller dose to the patient.
It aids in surgery by displaying the structure not visible or discernible otherwise and aids in accurate placement of implants. There are a number of surgeries which are not possible carry out unless aided by a C-arm.
A mobile C-arm IITV system is used during surgery for image-guided interventions or minimally invasive procedures.
In orthopaedic surgery, it is specifically used in complicated cases such as repositioning dislocated bone fragments, placing pedicle screws in the spine or positioning osteosynthetic material.
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