Patent ID: 7294111

Claim:
A blood-drawing device comprising: a specimen tube having a projecting tip having an outer side surface forming a connection region of a predetermined diameter; a guide sleeve fittable over the tip and unitarily formed with a generally cylindrical thick and generally rigid outer grip part of predetermined diameter and a thin inner resilient, generally cylindrical, and radially deformable part, the inner resilient part having an inside diameter smaller than the predetermined diameter of the connection region and generally the same as the predetermined diameter of the outer grip part, the inner part being an axial extension of the outer part; a needle fitted to the guide sleeve and having an inner end; and an elastomeric tubular needle shield surrounding the needle inward from the guide sleeve, the sleeve being movable between an outer position with the inner needle end out of the specimen tube, the needle shield extending inward past the inner needle end, and the resilient part offset outward from the connection region and an inner position with the inner needle end traversing the shield and projecting inward into the specimen tube, the needle shield compressed between the sleeve and the specimen tube, and the resilient part fitting tightly around the connection region and deformed outwardly thereby such that the resilient part grips the connection region.