US Patent 7243792 Apparatus and method for unwinding a needle portion

A container system is provided for removing a needle portion from a needle holder of a needle system. The system includes a receptacle defining an opening, a lid configured to cover the receptacle opening, wherein the lid defines an aperture having a shape configured to receive a needle system having a first configuration. The system also includes an adapter configured for engagement in the lid aperture, wherein the adapter defines an aperture having a shape configured to receive a needle system having a second configuration, and wherein the engagement of the adapter in the lid aperture resists rotation of the adapter with respect to the lid.