Final answer:
Using smaller size angio-catheters in medical procedures provides more precise access to target areas and minimizes potential complications.
Step-by-step explanation:
The significance of using smaller size angio-catheters in medical procedures is that they can provide more precise access to target areas and minimize potential complications.
Small size angio-catheters are particularly useful in procedures such as angioplasty, where they can navigate through narrow blood vessels and reach the site of occlusion more effectively.
Their smaller size also reduces the risk of damaging blood vessels during the insertion process.