Retractable needle shielding device

A shieldable needle device comprising:

• a housing including a main body portion and a rearward extension extending from said main body portion, said main body portion including an internal opening extending therethrough with a locking assembly within said internal opening, said rearward extension including a longitudinal slot extending between a forward slot end adjacent said main body portion and a rearward slot end;
• a hub including a forward end, a rearward end, and an internal opening extending therethrough, said hub including a lever extending through said longitudinal slot of said housing, said lever including a finger surface extending beyond said longitudinal slot and a locking mechanism for locking said lever at said forward end of said longitudinal slot;
• and
• a needle cannula having a forward end extending from said forward end of said hub and into said internal opening of said main body portion of said housing;
• said lever being radially movable with respect to said longitudinal slot to release said locking mechanism of said lever from a locked position at said forward end of said longitudinal slot, said lever further being axially slidable along said longitudinal slot through said finger surface, thereby causing said needle cannula and said main body portion of said housing to axially move with respect to each other between an extended position in which said forward end of said needle cannula extends from a forward end of said main body portion of said housing and a retracted position in which said forward end of said needle cannula is retracted within said internal opening of said main body portion and said locking assembly engages said forward end of said needle cannula to prevent movement of said needle cannula from said retracted position to said extended position.

A safety blood collection set comprising:

• a fixture for connecting the blood collection set to a receptacle;
• a flexible tube having opposed first and second ends, said first end of said flexible tube being connected to said fixture;
• a hub mounted to said second end of said flexible tube, said hub including a lever extending from an external surface of said hub;
• a needle cannula extending from said hub, said needle cannula having a puncture tip and an internal lumen in fluid communication with said flexible tube through said hub;
• and
• a wingset housing including a main body portion having a forward opening with said needle cannula extending from said forward opening, and a rearward extension having a longitudinal slot extending axially therealong between a forward slot end and a rearward slot end with said lever of said hub extending through said longitudinal slot and locked at said forward slot end, said wingset housing further including a tip guard within said main body portion;
• wherein radial movement of said lever unlocks said lever from the forward slot end of said longitudinal slot, and axial movement of said lever toward the rearward slot end of said longitudinal slot causes axial movement of said needle cannula through said internal opening of said wingset housing, thereby retracting said needle cannula within said wingset housing to a position with said tip guard protectively covering said puncture tip of said needle cannula.