Fluid Collection Device with Retractable Needle and Safety Sampling Access Needle Adapter
a technology of a transfer device and a retractable needle, which is applied in the direction of diagnostic recording/measuring, applications, catheters, etc., can solve the problems of exposing medical personnel and possibly others to serious or fatal illness
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[0021] Referring now to FIGS. 1-5 in general and to FIG. 1 specifically, a device for collecting blood is designated generally 10. The device 10 includes a housing 20 and a retractable needle 30 projecting forwardly from the housing. The needle has a sharpened tip operable to pierce a blood vessel of the blood donor. The rearward end of the needle is in fluid communication with an expandible reservoir 85, so that blood flows from the blood donor into the reservoir. As blood flows into the reservoir 85, the reservoir expands to accommodate the blood. After the blood donation is complete, the needle 30 is retracted into the housing 20 to enclose the sharpened tip of the needle to prevent accidental needle sticks.
[0022] The device 10 includes a needle assembly 40 slidably displaceable within the housing 20 between a projecting position in which the needle 30 projects forwardly from the housing 20, and a retracted position in which the needle is retracted within the housing. The needle...
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