Hospital emergency simone Veil to flee.

Hospital emergency simone Veil to flee.
A large part of the staff is INCOMPETENT !!!
After a varicose vein surgery, 15 days later, my husband was in the emergency room; an excruciating pain occurred (he could no longer walk), his leg had swollen and turned red and hot.
After a PDS and a few hours of waiting, he emerges emergencies because apparently nothing serious. To reassure him the doctor told him: "Sir you have to avoid the worst, phlebitis and infection, everything is under control".

He returns the next day (Sunday) because his pain became unbearable and requires a Doppler and a diagnosis. After the PDS and Doppler done he transmit the diagnosis to my husband = RAS hematomas. TT = antiflammatories.

A week later, the pain had barely diminished it is seen the appearance of "small black balls", or necrosis, feeling hard, on his leg. He decides to see our GP with his results. The doctor reads the results and diagnoses an infection, (grangrene symptoms), ttt = antibiotic.
One more week and he could have lost his leg!
It is unacceptable! I can not conceive
The lack of incompetence and / or vigilance of doctors.
How can one let his practitioners practice without any framework? Should we wait for a tragedy to react?