Insist that they DO NOT USE crock of your elbow (help with description).
Let them figure out another place.
If they use just that one place it will wore out in short order.
Figure out any cacamamy story, just do not let them in that one place.
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Double check this, not sure if applicable in your case, but
I am using prescription medicine
Pentoxifylli 400mg
2 tablets/day
helps in blood flow.
possibly something to look in to.
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Fibrinogen
High Value: Values >400 mg/dL can cause spontaneous clotting.
pentoxifylline (PTX); low-cost prescription drug is pentoxifylline (PTX);
the brand name is Trental
Fibrinogen LEF recomended range (180–250)
Inflammation (Chronic) - Print Version : Online Reference For Health Concerns
Homocysteine Reduction: Online References For Health Concerns
Le Magazine, October 2006 - On The Cover: When Homocysteine Levels Won’T Come Down