Non-axial return spring for safety needle

摘要

A needle safety device is provided having a housing, a needle assembly movably mounted within the housing and a spring for biasing the needle assembly within the housing. The needle assembly is movable along a first axis and the spring is movable along the second axis different from the first. There is also provided a lens for enhancing visualization of the flow of fluid through the needle safety device. There is further provided a safety sheath for covering a needle of the needle assembly and restraining the needle assembly against movement due to the bias of the spring.

主权项

1. A needle safety device comprising:
a housing; a needle assembly movably mounted within the housing, the needle assembly having a transparent portion; and a lens positioned adjacent the needle assembly to enhance visualization of a flow of fluid through the transparent portion of the needle assembly.