Articles
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5 results found
Article
Headhunter catheter
The headhunter catheter is a selective angiographic catheter designed for catheterization and subselection of brachiocephalic or visceral arteries, in order to secure access, advance, exchange devices, or deliver contrast in the target vessel.
It can also be used in percutaneous fallopian tube ...
Article
O-arm
The O-arm is a movable CT imaging structure developed for intraoperative 3D fluoroscopic imaging. It is utilized during surgery for the identification of bony details in complex procedures such as spinal fixation or microdiscectomy.
See also
C-arm
Article
Pixel shift (reregistration)
Pixel shift or reregistration is a post-processing technique used to improve misregistration artifact in digital subtraction angiography, where two images to be subtracted are spatially realigned with respect to one another, by shifting pixels vertically, horizontally or obliquely.
Pixel shift...
Article
Image plate artifact
Image plate artifact is caused by backscatter radiation.
Backscatter radiation is transmitted through the back of the cassette to the cassette hinge where the lead coating gets weakened or cracked.
To reduce backscatter, the radiographer should collimate where possible.
Article
High-intensity focused ultrasound
High-intensity focussed ultrasound (HIFU), sometimes referred to as focused ultrasound surgery (FUS), is a promising non-invasive thermal ablation technique.
Unlike diagnostic ultrasound, HIFU focuses the ultrasound waves precisely upon a target. In a similar way to how light can be focused to ...
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