Blood collection assembly having additive dispensing means and method for sample collection using same
AssigneeBecton, Dickinson and Company
InventorsThomas A. Shepard, Erwin A. Vogler
Life of this patent
Estimating the term…
Abstract
A blood collection assembly includes an evacuated container having an open end with a puncturable stopper therein. A receptacle in the container contains an additive and has an open end covered by a puncturable, non-resealable material. In a method for preparing a blood sample for analysis, the stopper and receptacle covering are punctured by a cannula, the cannula is partially retracted into the receptacle so that blood drawn through the cannula contacts the additive and washes it directly into the container through a hole in the covering made by the cannula.
Claims5
A blood collection assembly comprising;
- a) a tube having a bottom wall and a side wall defining an open end;
- b) a puncturable stopper sealably immobilized in said open end, said bottom wall, side wall and stopper enclosing an evacuated interior volume in said tube, said stopper comprising an annular upper portion and a lower skirt portion, said skirt portion defining a well;
- c) a receptacle immobilized in said well, said receptacle comprising a side wall and a puncturable non-resealable bottom wall;
- and
- d) an additive in said receptacle for use in analysis of blood.
Dependencies are inferred from the claim text.