Blood compatible ,low friction coefficient material for injection molding

[edwardone1234]

Good morning !
I am developing vascular access device
One of the essential parts has to be injection molded
Part has to be made from blood compatible material
and has low friction coefficient (optionally -easy to polish )
Can you please suggest what material can i use ?
Any kind of delrin?
Thank you very much

[brentb]

Do you mean like penetrating the human body?