A needle assembly (100) for percutaneously infusing fluids to a body and/or withdrawing fluids from a body is provided. The needle assembly (100) comprises a polymeric body (101) having a passageway (102) in a proximodistal direction. A wing assembly is secured to the body (101), and the wing assembly including first and second wings (103) extending laterally in opposite directions from said body (101). A hollow needle (104) is arranged in said passageway (102), such that it extends distally from said body (101), wherein said needle (104) is press fitted or interference fitted in said passageway (102).
