Patent ID: 8412300

Claim:
An arterial flashback confirmation chamber comprising: A transparent flashback compartment having a a proximal end and a distal end; a vent that is permeable to air and impermeable to blood, the vent comprising a portion of the proximal end of the transparent flashback compartment; a connector comprising a portion of the distal end of the transparent flashback compartment; and a section of tubing having a distal opening and a proximal opening, the proximal opening being positioned at the proximal end of the transparent flashback compartment, and the distal opening being positioned at the distal end of the transparent flashback compartment, the tubing being deposited within the transparent flashback compartment and spanning a distance between the proximal end and the distal end of the transparent flashback compartment, the section of tubing having an overall length that is greater than an overall length of the transparent flashback compartment.