Patent ID: 6746430
Filing Date: 2004-06-08
Classification: A61L,A61M,Y10T

Abstract:
A medicament delivery device, comprising:a chamber having a plastic material body with a homogeneous mixture that includes a lubricating substance within the plastic, lubricating substance having a viscosity approximately equal to 100,000 centistokes and said chamber including an inner surface for receiving and containing a medicament; and a sealing member slidably received within said chamber and having an exterior surface that sealingly engages said chamber inner surface, said sealing member outer surface including a lubricating silicone adhered to said outer surface by crosslinking between molecules of said lubricating silicone; wherein said scaling member is made from an elastomeric material and said crosslinking has been caused by irradiation said lubricating silicone and said sealing member after it has bean applied to said outer surface.