Acupuncture will not cause venous infarction.
Off topic:
Occasionally, acupuncture can cause subcutaneous hemorrhage of epidermal small vessels. Is a common phenomenon. If left untreated, it will subside on its own. Hot compress or massage can accelerate the regression. There's no need to worry.
I heard that Guangzhou Xianghui Health Center is very professional and can also provide on-site treatment. You can consult.