1, according to the detector material, amorphous silicon is the most common at present, and CMOS is not effective without selenium;
2. In terms of size, the big one is good, that is, 10? 12 inch, 8? 10 is too small, and some lenses are incomplete;
3. From the point of origin (imported or made in China), there is little difference in product quality and performance, and the after-sales service after import is troublesome, so we can't wait for repair and return to the factory. Domestic products have great advantages. From the perspective of national policies, "the Health Planning Commission is clear: resolutely support the procurement of domestic medical devices and strictly approve imported equipment!" .
4. In terms of laws and regulations, this is a medical device, and it must have a qualification certificate for hospital upgrade. If you don't punish, you will lose more than you gain.
In addition, choose a good upgrade vendor. The longer the company is engaged in the upgrade project, the better. The more users, the better. Only in this way can we guarantee it. I hope these are useful to you.